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#include <iostream> #include <bits/stdc++.h> using namespace std; typedef long long int ll; typedef long double db; #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; template <typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; #define pll pair<ll,ll> #define pb push_back #define eb emplace_back #define mp make_pair #define ub(v,val) upper_bound(v.begin(),v.end(),val) #define np(str) next_permutation(str.begin(),str.end()) #define lb(v,val) lower_bound(v.begin(),v.end(),val) #define sortv(vec) sort(vec.begin(),vec.end()) #define rev(p) reverse(p.begin(),p.end()); #define v vector #define pi 3.14159265358979323846264338327950288419716939937510 #define len length() #define repc(i,s,e) for(ll i=s;i<e;i++) #define fi first #define se second #define mset(a,val) memset(a,val,sizeof(a)); #define mt make_tuple #define repr(i,n) for(i=n-1;i>=0;i--) #define rep(i,n) for(i=0;i<n;i++) #define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); #define at(s,pos) *(s.find_by_order(pos)) #define set_ind(s,val) s.order_of_key(val) long long int M = 1e9 + 7 ; long long int inf = 9 * 1e18; //CLOCK ll begtime = clock(); #define time() cout << "\n\nTime elapsed: " << (clock() - begtime)*1000/CLOCKS_PER_SEC << " ms\n\n"; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); //CLOCK ENDED ll n, m; // modular exponentiation ll binpow(ll val, ll deg) { if (deg < 0) return 0; if (!deg) return 1 % M; if (deg & 1) return binpow(val, deg - 1) * val % M; ll res = binpow(val, deg >> 1); return (res * res) % M; } //binomial ll modinv(ll n) { return binpow(n, M - 2); } int main() { // your code goes here IOS; #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif ll i, j, t, k, x, y, z, N; cin >> t; while (t--) { cin >> n; ll a[n]; rep(i, n) cin >> a[i]; if (n % 2) { cout << "Second"; } else { map<ll, ll> cnt; rep(i, n) { cnt[a[i]]++; } ll flg = 0; for (auto u : cnt) { if (u.se % 2)flg = 1; } if (flg == 0) { cout << "Second"; } else cout << "First"; } cout << '\n'; } return 0; } // Second // Second // First // First // Second
#include <algorithm> #include <complex> #include <cstdlib> #include <ctime> #include <time.h> #include <iomanip> #include <iostream> #include <map> #include <math.h> #include <queue> #include <random> #include <set> #include <sstream> #include <stack> #include <string> #include <vector> #include <numeric> #include <limits> #include <type_traits> #include <locale> #include <omp.h> using namespace std; #define SAY_YES cout << "YES" << endl; #define SAY_Yes cout << "Yes" << endl; #define SAY_NO cout << "NO" << endl; #define SAY_No cout << "No" << endl; #define IFYES(TRUE_OR_FALSE) \ if (TRUE_OR_FALSE) \ { \ cout << "YES" << endl; \ } \ else \ { \ cout << "NO" << endl; \ } #define IFYes(TRUE_OR_FALSE) \ if (TRUE_OR_FALSE) \ { \ cout << "Yes" << endl; \ } \ else \ { \ cout << "No" << endl; \ } #define IFyes(TRUE_OR_FALSE) \ if (TRUE_OR_FALSE) \ { \ cout << "yes" << endl; \ } \ else \ { \ cout << "no" << endl; \ } #define DEBUG_OUTPUT_ARRAY(XXX, ONE) \ for (int i = 0; i < (ONE); i++) \ { \ cout << "DEBUG: i = " << i << " -> " << XXX[i] << endl; \ } #define DEBUG_OUTPUT_ARRAY2(XXX, ONE, TWO) \ for (int i = 0; i < (ONE); i++) \ { \ cout << "<<< i = " << i << " >>>" << endl; \ for (int j = 0; j < (TWO); j++) \ { \ cout << "DEBUG: j = " << j << " -> " << XXX[i][j] << endl; \ } \ } #define DEBUG_OUTPUT_ARRAY2_BOX(XXX, ONE, TWO) \ for (int i = 0; i < (ONE); i++) \ { \ cout << i << " "; \ for (int j = 0; j < (TWO); j++) \ { \ cout << XXX[i][j] << " "; \ } \ cout << endl; \ } typedef pair<long long int, long long int> pll; typedef pair<long long int, pll> lpll; const long long int mod = 1000000007; const long long int INF = 1e18; const long double PI=3.14159265358979323; //const long long int pl=1000000; long long int T,N,M; long long int A[300005],B,C,D,res=0,w[10],l[200200],v[200200]; int main() { cout << fixed << setprecision(18); cin>>T; for(long long int q = 0; q < T; q++){ cin>>N; for(long long int i = 0; i < N; i++){ cin>>A[i]; } sort(A,A+N); if(N%2==1){ cout<<"Second"<<endl; continue; } bool key =true;; for(long long int i = 0; i < N; i+=2){ if(A[i]!=A[i+1]){ cout<<"First"<<endl; key=false; break; } } if(key)cout<<"Second"<<endl; } }
#include <bits/stdc++.h> using namespace std; void solve(){ int n, s, d; cin>>n>>s>>d; for(int i=0; i < n; i++){ int x, y; cin>>x>>y; if (x < s && y > d) { cout<<"Yes"; return; } } cout<<"No"; } int main(){ #ifdef USE_FILE_IO freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif #ifndef USE_FILE_IO ios_base::sync_with_stdio(0); cin.tie(); #endif solve(); }
#include<bits/stdc++.h> #define rep(i,n) for(int i=0;i<n;++i) #define rrep(i,n) for(int i=n-1;i>=0;--i) #define yesno(flg) if(flg){cout<<"YES"<<endl;}else{cout<<"NO"<<endl;} #define MAX_N 100001 #define i197 1000000007 using namespace std; typedef long long ll; typedef pair<ll,ll> P1; typedef pair<int,int> Pi; typedef pair<ll,Pi> Pli; typedef pair<Pi,Pi> Pi2; typedef pair<P1,ll>P2; const ll INF=1000000000000000001; struct edge{int to,cost;}; int dy[]={0, 0, 1, -1}; int dx[]={1, -1, 0, 0}; struct Road{double cost;int a,b;}; struct pos{ // 1 変数を入れる; int t,x,y; }; int main(){ ll s,d; int n; cin>>n>>s>>d; rep(i,n){ ll x,y; cin>>x>>y; if(x<s&&y>d){ cout<<"Yes"<<endl; return 0; } } cout<<"No"<<endl; return 0; }
#include<bits/stdc++.h> //Written by ThiDaiLoc using namespace std; //Team Three Wolves typedef long long ll; typedef unsigned long long ull; typedef long double ld; typedef pair<ll,ll> pll; typedef pair<ll,pll> trp; typedef vector<ll> vi; typedef vector<pll> vp; #define fu(i,a,b) for(ll i=a;i<=b;i++) #define f1(i,n) for(ll i=1;i<=n;i++) #define fs(i,s) for(ll i=0;i+1<=s.length();i++) #define fd(i,b,a) for(ll i=b;i>=a;i--) #define fuv(i,a) for(ll i=0;i<a.size();i++) #define fdv(i,a) for(ll i=(ll)a.size()-1;i>=0;i--) #define ms(a,x) memset(a, x, sizeof a) #define prec(n) fixed<<setprecision(n) #define uni(a) (a).erase(unique(all(a)), (a).end()) #define pb(i) push_back(i) #define pob pop_back() #define sc(a) cin>>a #define sc2(a,b) cin>>a>>b #define sc3(a,b,c) cin>>a>>b>>c #define pr(a) cout<<a<<endl #define pr2(a,b) cout<<a<<" "<<b<<endl #define rpr(a) return cout<<a<<endl,0 #define prY cout<<"YES"<<endl #define prN cout<<"NO"<<endl #define bit(n,i) (((n)>>(i))&1) #define lowb(a,n,x) lower_bound(a,a+n,x) -a #define lowb2(a,x) lower_bound(all(a),x) -a.begin() #define all(x) (x).begin(), (x).end() #define sz(a) (ll)a.size() #define le(s) (ll)s.length() #define re return #define mp(a,b) make_pair(a,b) #define mp3(a,b,c) make_pair(a,make_pair(b,c)) #define se second #define fi first #define sse second.second #define sfi second.first #define soA sort(A+1,A+1+n) #define so(A,n) sort(A+1,A+1+n) #define sov(v) sort(all(v)) #define sovr(v) sort(all(v),greater<ll>()) #define debug(x) cerr << #x << " = " << x << endl #define INPUT freopen("locin.txt", "r", stdin) #define OUTPUT freopen("locout.txt", "w", stdout) inline ll isqrt(ll k) {ll r = sqrt(k) + 1; while (r * r > k) r--; return r;} inline ll icbrt(ll k) {ll r = cbrt(k) + 1; while (r * r * r > k) r--; return r;} inline ll mnz(ll& a,ll b){return a=(a>b?b:a);} inline ll mxz(ll& a,ll b){return a=(a<b?b:a);} inline string toString(ll n) {stringstream ss; ss << n;return ss.str();} double const eps = 1e-6; ll const Base=1e9+7,oo=1e17,MAXN=1e6; pll A[MAXN+5]; pll B[MAXN+5]; pll add[MAXN+5]; pll xy[MAXN+5]; ll Solves(){ ll n,m,k,cnt=0,ans=0,x,y,q,c,sum=0,v,t; // PROCESS IN HERE cin>>n; f1(i,n)sc2(A[i].fi,A[i].se); sc(m); xy[0]=mp(1,2); f1(i,m){ sc(x); if(x>=3){ sc(y); } if(x==1){ xy[i]=mp(xy[i-1].se,-xy[i-1].fi); add[i]=mp(add[i-1].se,-add[i-1].fi); } if(x==2){ xy[i]=mp(-xy[i-1].se,xy[i-1].fi); add[i]=mp(-add[i-1].se,add[i-1].fi); } if(x==3){ xy[i]=xy[i-1]; xy[i].fi=-xy[i].fi; add[i]=add[i-1]; add[i].fi=-add[i].fi; add[i].fi+=y*2; } if(x==4){ xy[i]=xy[i-1]; xy[i].se=-xy[i].se; add[i]=add[i-1]; add[i].se=-add[i].se; add[i].se+=y*2; } } sc(q); f1(i,q){ sc2(x,y); if(abs(xy[x].fi)==1){ v=A[y].fi; if(xy[x].fi<0)v=-v; t=A[y].se; if(xy[x].se<0)t=-t; } else{ v=A[y].se; if(xy[x].fi<0)v=-v; t=A[y].fi; if(xy[x].se<0)t=-t; } v+=add[x].fi; t+=add[x].se; cout<<v<<" "<<t<<endl; } re 0; // Hack it if you can :) } int main(){ //INPUT; if(fopen("locin.txt", "r"))INPUT; ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0); ll test=1; // sc(test); fu(T,1,test){ // cout<<"Case #"<<T<<": "; Solves(); } }
#include <bits/stdc++.h> using namespace std; const int MOD = 1000000007; const int INF = 1e9; const long long INFLL = 1e18; using ll = long long; ll mat[200000+10][2][2]; ll p[200000+10][2]; ll mix, miy; vector<vector<ll>> cal(ll n, ll p){ vector<vector<ll>> res(2, vector<ll>(2)); if(n == 1){ res[0][0] = 0; res[0][1] = 1; res[1][0] = -1; res[1][1] = 0; }else if(n == 2){ res[0][0] = 0; res[0][1] = -1; res[1][0] = 1; res[1][1] = 0; }else if(n == 3){ } return res; } int main(){ ll n; cin >> n; vector<ll> x(n), y(n); for(ll i = 0; i < n; i++) cin >> x[i] >> y[i]; ll m; cin >> m; mix = -1; miy = -1; mat[0][0][0] = 1; mat[0][0][1] = 0; mat[0][1][0] = 0; mat[0][1][1] = 1; p[0][0] = 0; p[0][1] = 0; for(ll i = 1; i <= m; i++){ ll op; cin >> op; if(op == 1){ mat[i][0][0] = mat[i-1][1][0]; mat[i][0][1] = mat[i-1][1][1]; mat[i][1][0] = -mat[i-1][0][0]; mat[i][1][1] = -mat[i-1][0][1]; // p[i][0] = mat[i][0][0]*p[i-1][0] + mat[i][0][1]*p[i-1][1]; // p[i][0] = mat[i][1][0]*p[i-1][0] + mat[i][1][1]*p[i-1][1]; p[i][0] = p[i-1][1]; p[i][1] = -p[i-1][0]; }else if(op == 2){ mat[i][0][0] = -mat[i-1][1][0]; mat[i][0][1] = -mat[i-1][1][1]; mat[i][1][0] = mat[i-1][0][0]; mat[i][1][1] = mat[i-1][0][1]; // p[i][0] = mat[i][0][0]*p[i-1][0] + mat[i][0][1]*p[i-1][1]; // p[i][0] = mat[i][1][0]*p[i-1][0] + mat[i][1][1]*p[i-1][1]; p[i][0] = -p[i-1][1]; p[i][1] = p[i-1][0]; }else if(op == 3){ ll pp; cin >> pp; mix *= -1; mat[i][0][0] = -mat[i-1][0][0]; mat[i][0][1] = -mat[i-1][0][1]; mat[i][1][0] = mat[i-1][1][0]; mat[i][1][1] = mat[i-1][1][1]; p[i][0] = -1 * p[i-1][0] + 2*pp; p[i][1] = p[i-1][1]; }else{ ll pp; cin >> pp; miy *= -1; mat[i][0][0] = mat[i-1][0][0]; mat[i][0][1] = mat[i-1][0][1]; mat[i][1][0] = -mat[i-1][1][0]; mat[i][1][1] = -mat[i-1][1][1]; p[i][0] = p[i-1][0]; p[i][1] = -1 * p[i-1][1] + 2*pp; } } ll q; cin >> q; for(ll i = 0; i < q; i++){ ll a, b; cin >> a >> b; b --; ll nx = mat[a][0][0]*x[b] + mat[a][0][1]*y[b] + p[a][0]; ll ny = mat[a][1][0]*x[b] + mat[a][1][1]*y[b] + p[a][1]; cout << nx << " " << ny << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long LL; LL X, Y; map<LL, LL> memo; LL solve(LL y) { if(memo.count(y)) return memo[y]; if(y == 1) return memo[y] = llabs(X-y); if(y % 2 == 1) return memo[y] = min(llabs(X-y), min(solve((y+1)/2) + 2, solve((y-1)/2) + 2)); if(y % 2 == 0) return memo[y] = min(llabs(X-y), solve(y/2) + 1); return memo[y]; } int main() { memo.clear(); cin >> X >> Y; if(Y <= X){ cout << X - Y << endl; return 0; } cout << solve(Y) << "\n"; }
//#include <atcoder/all> //using namespace atcoder; #include <bits/stdc++.h> using namespace std; typedef long long ll; #define REP(i, n) for(int i=0; i<n; i++) #define REPR(i, n) for(int i=n-1; i>=0; i--) #define FOR(i, m, n) for(int i=m; i<n; i++) #define ALL(v) v.begin(), v.end() #define bit(n) (1LL<<(n)) #define FIX(d) fixed << setprecision(d) using P = pair<int, int>; using LP = pair<ll, ll>; using Graph = vector<vector<int>>; template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } const int INF = 1e9; const ll LINF = (1LL<<60); int main() { ios::sync_with_stdio(false); cin.tie(nullptr); ll X,Y; cin >> X >> Y; ll ans = LINF; map<ll, ll> memo; priority_queue<LP, vector<LP>, greater<LP>> que; que.emplace(0, Y); while(!que.empty()){ auto [v, x] = que.top(); que.pop(); if(v>=ans) continue; chmin(ans, v+abs(X-x)); int r = (x&1); ll nv = v+r+1; int d = 2; if(nv<ans && (!memo.count(x/d) || nv<memo[x/d])){ que.emplace(nv, x/d); memo[x/d] = nv; } nv = v+(d-r)+1; if(nv<ans && (!memo.count(x/d+1) || nv<memo[x/d+1])){ que.emplace(nv, x/d+1); memo[x/d+1] = nv; } } cout << ans << endl; return 0; }
/* author: Maksim1744 created: 23.05.2021 16:09:04 */ #include "bits/stdc++.h" using namespace std; #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; template<typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; // find_by_order, order_of_key using ll = long long; using ld = long double; #define mp make_pair #define pb push_back #define eb emplace_back #define sum(a) ( accumulate ((a).begin(), (a).end(), 0ll)) #define mine(a) (*min_element((a).begin(), (a).end())) #define maxe(a) (*max_element((a).begin(), (a).end())) #define mini(a) ( min_element((a).begin(), (a).end()) - (a).begin()) #define maxi(a) ( max_element((a).begin(), (a).end()) - (a).begin()) #define lowb(a, x) ( lower_bound((a).begin(), (a).end(), (x)) - (a).begin()) #define uppb(a, x) ( upper_bound((a).begin(), (a).end(), (x)) - (a).begin()) template<typename T> vector<T>& operator-- (vector<T> &v){for (auto& i : v) --i; return v;} template<typename T> vector<T>& operator++ (vector<T> &v){for (auto& i : v) ++i; return v;} template<typename T> istream& operator>>(istream& is, vector<T> &v){for (auto& i : v) is >> i; return is;} template<typename T> ostream& operator<<(ostream& os, vector<T> v){for (auto& i : v) os << i << ' '; return os;} template<typename T, typename U> pair<T,U>& operator-- (pair<T, U> &p){--p.first; --p.second; return p;} template<typename T, typename U> pair<T,U>& operator++ (pair<T, U> &p){++p.first; ++p.second; return p;} template<typename T, typename U> istream& operator>>(istream& is, pair<T, U> &p){is >> p.first >> p.second; return is;} template<typename T, typename U> ostream& operator<<(ostream& os, pair<T, U> p){os << p.first << ' ' << p.second; return os;} template<typename T, typename U> pair<T,U> operator-(pair<T,U> a, pair<T,U> b){return mp(a.first-b.first, a.second-b.second);} template<typename T, typename U> pair<T,U> operator+(pair<T,U> a, pair<T,U> b){return mp(a.first+b.first, a.second+b.second);} template<typename T, typename U> void umin(T& a, U b){if (a > b) a = b;} template<typename T, typename U> void umax(T& a, U b){if (a < b) a = b;} #ifdef HOME #define SHOW_COLORS #include "C:/C++ libs/print.cpp" #else #define show(...) void(0) #define mclock void(0) #define shows void(0) #define debug if (false) #endif int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int n; cin >> n; vector<int> a(n), b(n); cin >> a >> b; for (int i = 0; i < n; ++i) { a[i] += i; b[i] += i; } map<int, deque<int>> where; for (int i = 0; i < n; ++i) { where[a[i]].pb(i); } { auto x = a; auto y = b; sort(x.begin(), x.end()); sort(y.begin(), y.end()); if (x != y) { cout << -1 << '\n'; return 0; } } vector<int> p(n); for (int i = 0; i < n; ++i) { p[i] = where[b[i]][0]; where[b[i]].pop_front(); } ordered_set<int> s; ll ans = 0; for (int x : p) { ans += s.size() - s.order_of_key(x); s.insert(x); } cout << ans << '\n'; return 0; }
#include <bits/stdc++.h> #define rep(i,n) for (ll i = 0; i < (ll)(n); i++) #define repr(i,a,b) for (ll i = (a); i < (ll)(b); i++) #define rng(x) (x).begin(), (x).end() #define rrng(x) (x).rbegin(), (x).rend() #define popcnt(x) __builtin_popcountll(x) #define pb push_back #define eb emplace_back #define MP make_pair #define MT make_tuple #define fr first #define sc second using namespace std; template <class T, class U> inline bool chmax(T &a, const U &b) { return (a < b ? a = b, 1 : 0); } template <class T, class U> inline bool chmin(T &a, const U &b) { return (a > b ? a = b, 1 : 0); } template <class T> using vc = vector<T>; template <class T> using vv = vc<vc<T>>; template <class T> using vvv = vc<vv<T>>; template <class T> using PQ = priority_queue<T, vc<T>, greater<T>>; using ll = long long; using ld = long double; using pii = pair<int, int>; using pll = pair<ll, ll>; using pdd = pair<ld, ld>; using ti3 = tuple<int, int, int>; using tl3 = tuple<ll, ll, ll>; using vi = vc<int>; using vl = vc<ll>; using vs = vc<string>; using vpl = vc<pll>; using vpd = vc<pdd>; using vvi = vv<int>; using vvl = vv<ll>; using vvpl = vv<pll>; const ld pi = 3.141592653589793; const ll linf = 1001001001001001001LL; const int inf = 1001001001; int main() { vvpl primeFact(1010101); repr(i,2,1010101) { if (primeFact[i].size() > 0) continue; for (ll j = i; j < 1010101; j += i) { if (j%(i*i) != 0) primeFact[j].eb(i, 1); else primeFact[j].eb(i, 2); } } ll L, R; cin >> L >> R; ll ans = (R-L+1)*(R-L)/2; repr(i,max(2LL, L),R+1) ans -= R/i-(L-1)/i-1; ll sum = (R-L+1)*(R-L)/2; repr(i,2,R+1) { vpl &pf = primeFact[i]; bool ok = true; for (auto [p, a] : pf) if (a >= 2) ok = false; if (ok) { ll m = pf.size(); ll C = R/i-(L-1)/i; sum -= C*(C-1)/2*(m%2 == 0 ? -1 : 1); } } ans -= sum; ans *= 2; cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; #define rep(i,t,n) for(int64_t i=t;i<n;i++) #define Sort(a) sort(a.begin(),a.end()) #define rSort(a,n,m) sort(a.begin()+n-1,a.begin()+m) #define Reverse(a) reverse(a.begin(),a.end()) #define rReverse(a,n,m) reverse(a.begin()+n-1,a.begin()+m) #define MOD 1000000007 #define sign(i) -1*pow(-1,i) #define vi(A,N,i) vector<int64_t> A(N,i) #define vs(A,N,i) vector<string> A(N,i) #define vb(A,N,i) vector<bool> A(N,i) #define INF ((1LL<<62)-(1LL<<31)) //((a+b+c)-max(a,max(b,c))-min(a,min(b,c))) /*template <class T> }*/ //cout << fixed << setprecision(桁数); int64_t def_str(string x,string y){ int64_t def=0; rep(i,0,(int64_t)x.size()){ if(x[i]!=y[i]){ def++; } } return def; } int main() { int64_t a,b,c,d,e,f,ans=0,now_ans=0,mlt_ans=1; //double a,b,c,d,e,f,ans=0,now_ans=0,mlt_ans=1; string x,y,z; char s,t,u; bool frag=false,frag1=false,frag2=false; vector<int64_t> A{},B{}; vector<string> C{},D{}; vector<char> E{},F{}; vector<bool> G(26,false); cin>>a>>b; //cin>>x>>y; //cin>>s>>t;//////////////////////// rep(i,0,a){ cin>>c>>d; ans+=c*d; if(ans>b*100){ cout<<i+1; return 0; } } cout<<-1; }
#include <bits/stdc++.h> using namespace std; int main() { long long N,X; cin>>N>>X; long long total=0; long long count=0; bool jud=0; for(long long a=0;a<N;a++){ long long v,p; cin>>v>>p; total+=v*p; count++; if(total>(100*X)){ jud=1; break; } } //cout<<total<<endl; if(jud){ cout<<count; } else{ cout<<"-1"; } }
#include <algorithm> #include <cfloat> #include <climits> #include <cmath> #include <complex> #include <cstdio> #include <cstdlib> #include <cstring> #include <functional> #include <iostream> #include <map> #include <memory> #include <queue> #include <deque> #include <set> #include <sstream> #include <stack> #include <string> #include <utility> #include <vector> #include <cassert> #include <iostream> #include <stdio.h> #include <time.h> using namespace std; typedef long long ll; #define sz size() #define pb push_back #define mp make_pair #define fi first #define se second #define all(c) (c).begin(), (c).end() #define rep(i,a,b) for(ll i=(a);i<(b);++i) #define per(i,a,b) for(ll i=b-1LL;i>=(a);--i) #define clr(a, b) memset((a), (b) ,sizeof(a)) #define ctos(c) string(1,c) #define MOD 1000000007 long long modpow(long long a, long long b){ long long r = 1LL; while(b){ if(b & 1LL)r *= a; if(r >= MOD)r %= MOD; a *= a; if(a >= MOD)a %= MOD; b >>= 1LL; } return r%MOD; } ll d1[2010][2010]; ll d2[2010][2010]; ll d3[2010][2010]; ll d4[2010][2010]; int main(){ ll h,w; cin>>h>>w; vector<string> vs; ll sp = 0; rep(y,0,h){ string s; cin>>s; vs.pb(s); } // 1 rep(x,0,w){ ll c = 0; rep(y,0,h){ if(vs[y][x]=='#'){ c=0; } else{ sp++; d1[y][x]=c; c++; } } } // 2 rep(x,0,w){ ll c = 0; per(y,0,h){ if(vs[y][x]=='#'){ c=0; } else{ d2[y][x]=c; c++; } } } // 3 rep(y,0,h){ ll c = 0; rep(x,0,w){ if(vs[y][x]=='#'){ c=0; } else{ d3[y][x]=c; c++; } } } // 4 rep(y,0,h){ ll c = 0; per(x,0,w){ if(vs[y][x]=='#'){ c=0; } else{ d4[y][x]=c; c++; } } } ll ans = 0; rep(y,0,h){ rep(x,0,w){ if(vs[y][x]=='.'){ ll a = d1[y][x] + d2[y][x] + d3[y][x] + d4[y][x] + 1; ll c = 1; c *= modpow(2,sp-a); c %= MOD; c *= modpow(2,a)+MOD-1; c %= MOD; ans += c; ans %= MOD; } } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> #include <chrono> using namespace std; using namespace chrono; typedef long long int ll; typedef vector<int> vii; typedef vector<ll> vll; typedef pair<int,int> pii; typedef pair<ll,ll> pll; #define pb push_back #define odd(x) ((x)&1) #define even(x) (!odd(x)) #define all(v) (v).begin(),(v).end() #define rep(i,n) for(auto i=0;i<n;++i) #define FASTIO ios::sync_with_stdio(false);cin.tie(0);cout.tie(0); #define TEST_CASE int tc;cin>>tc;while(tc--) #define Clock high_resolution_clock::now() template<class T> inline bool chmax(T &a, T b) {if(a < b) {a = b;return true;}return false;} template<class T> inline bool chmin(T &a, T b) {if(a > b) {a = b;return true;}return false;} #ifdef LOCAL #define cerr cout #else #endif #define TRACE #ifdef TRACE #define trace(...) __f(#__VA_ARGS__, __VA_ARGS__) template <typename Arg1> void __f(const char* name, Arg1&& arg1){ cerr << name << " : " << arg1 << std::endl; } template <typename Arg1, typename... Args> void __f(const char* names, Arg1&& arg1, Args&&... args){ const char* comma = strchr(names + 1, ',');cerr.write(names, comma - names) << " : " << arg1<<" | ";__f(comma+1, args...); } #else #define trace(...) #endif void __print(int x) {cerr << x;} void __print(long x) {cerr << x;} void __print(long long x) {cerr << x;} void __print(unsigned x) {cerr << x;} void __print(unsigned long x) {cerr << x;} void __print(unsigned long long x) {cerr << x;} void __print(float x) {cerr << x;} void __print(double x) {cerr << x;} void __print(long double x) {cerr << x;} void __print(char x) {cerr << '\'' << x << '\'';} void __print(const char *x) {cerr << '\"' << x << '\"';} void __print(const string &x) {cerr << '\"' << x << '\"';} void __print(bool x) {cerr << (x ? "true" : "false");} template<typename T, typename V> void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';} template<typename T> void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";} void _print() {cerr << "]\n";} template <typename T, typename... V> void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);} #ifndef ONLINE_JUDGE #define debug(x...) cerr << "[" << #x << "] = ["; _print(x) #else #define debug(x...) #endif // #define TIME /******************************************************************************************************************************/ const ll inf = 2e18; const ll mod = 998244353; const ll N = 2e3; void prt(vll &v) { cout << v.size() << " "; for(auto i: v) cout << i << " "; cout << "\n"; } int main() { auto start_time = Clock; FASTIO ll n; cin >> n; vll v(n); rep(i,n) cin >> v[i]; map<ll, vector<vll> > mp; ll m = min(8ll,n); rep(i,1<<m) { if(!i) continue; vll tmp; ll sum = 0; for(ll j=0;j<m;++j) { if(i&(1<<j)) { sum += v[j]; sum %= 200; tmp.pb(j+1); } } // cout << bitset<4>(i) << " " << sum << "\n"; mp[sum].pb(tmp); } for(auto p: mp) { if(p.second.size()>1) { cout << "Yes\n"; // trace(p.first); prt(p.second[0]), prt(p.second[1]); return 0; } } cout << "No\n"; auto end_time = Clock; #ifndef TIME return 0; #endif cout << "\nTime elapsed: " << (double)duration_cast<milliseconds>(end_time-start_time).count() << "ms"; return 0; }
#include <bits/stdc++.h> #define ll long long int #define vec vector<ll> #define vecp vector<pair<ll,ll> > #define mapp map<ll,ll> #define mapit map<ll,ll>::iterator #define mapr map<pair<ll,ll>,ll> #define maprit map<pair<ll,ll>,ll>::iterator #define fs first #define sc second #define bg begin() #define en end() #define pb push_back #define fin(x,y) for(x=0;x<y;x++) #define fin1(x,y) for(x=1;x<y;x++) #define mod1 1000000007 #define INF 1000000000000000000 #define twodp vector<vec >dp(n+1,vec(k+1,0)) #define all(x) x.bg,x.en #define rel(x) x.rbegin(),x.rend() using namespace std; ll gcd(ll a,ll b) { if(a==0 || b==0) return a+b; else return __gcd(a,b); } int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); ll i,j,k,l,n; string s; cin>>s; n=s.size(); bool p=true; fin(i,n) { if(i%2==1) { if(s[i]>='a'&& s[i]<='z') p=false; } else { if(s[i]>='A'&& s[i]<='Z') p=false; } } if(p) cout<<"Yes"; else cout<<"No"; return 0; }
#include <iostream> #include <string> #include <ctype.h> using namespace std; int main() { string input; cin >> input; bool isDifficult = true; bool odd = true; for ( const auto &c : input ) { if ( odd ) { if( isupper( c ) ) { isDifficult = false; break; } } else { if( islower( c ) ) { isDifficult = false; break; } } odd = !odd; } cout << ( ( isDifficult ) ? "Yes" : "No" ); return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using pii = pair<int, int>; using pll = pair<ll, ll>; using vi = vector<int>; using vl = vector<ll>; using _lint = int; #define REP(i, n) for (_lint i = 0; i < (_lint)(n); i++) #define FOR(i, a, b) for (_lint i = (_lint)(a); i < (_lint)(b); i++) #define FORR(i, a, b) for (_lint i = (_lint)(b)-1; i >= (_lint)(a); i--) #define CHMIN(a, b) (a) = min((a), (b)) #define CHMAX(a, b) (a) = max((a), (b)) #define ALL(v) (v).begin(), (v).end() #define DEBUG(x) cerr << #x << ": " << (x) << endl #define DEBUG_VEC(v) \ { \ cerr << #v << ": "; \ REP(__i, size(v)) cerr << ((v)[__i]) << ", "; \ cerr << endl; \ } int n, m; bool g[25][21]; bool ok[1 << 20]; ll f[1<<20][21]; ll f2[1<<20][21]; ll ff[1<<20]; int main() { cin >> n >> m; REP(i, m) { int a, b; cin >> a >> b; a--; b--; g[a][b] = g[b][a] = true; } REP(mask, 1 << n) { bool go = true; REP(i, n) REP(j, i) { if (mask >> i & 1) { if (mask >> j & 1) { if (g[i][j]) { go = false; } } } } ok[mask] = go; } // https://judge.yosupo.jp/submission/4085 REP(i,1<<n)f[i][__builtin_popcount(i)] = ok[i]; REP(k,n)REP(i,1<<n)if(((i>>k)&1)==0)REP(j,n+1)f[i|1<<k][j]+=f[i][j]; REP(i,1<<n)REP(j,n+1)f2[i][j] = f[i][j]; REP(i,1<<n)FORR(j,0,n+1){ FOR(k,1,n-j+1)f[i][j+k] += f[i][j] * f2[i][k]; f[i][j] *= f2[i][0]; } REP(k,n)REP(i,1<<n)if(((i>>k)&1)==0)REP(j,n+1)f[i|1<<k][j]-=f[i][j]; REP(i,1<<n)ff[i]=f[i][__builtin_popcount(i)]; ll ans = 0; REP(mask, 1 << n) if (ok[mask]) { int ho = ~mask & ((1 << n) - 1); ans += ff[ho]; } cout << ans << endl; return 0; }
// -------- START : snippet -------- // #include <bits/stdc++.h> using namespace std; struct IoSetup { IoSetup() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(10); cerr << fixed << setprecision(10); } } iosetup; // -------- START : macro -------- // #define ll long long #define rep(i,n) for(int i=0;i<int(n);++i) #define rep1(i,n) for(int i=1;i<=int(n);++i) #define len(c) (ll)c.size() #define all(v) (v).begin(),(v).end() #define lb(v,x) (lower_bound(all(v),x)-v.begin()) #define ub(v,x) (upper_bound(all(v),x)-v.begin()) #define has(c,x) (c.find(x) != c.end()) #define uniq(v) v.erase(unique(all(v)),v.end()) #define bit(k) (1LL<<(k)) #define INF int(1e9) template<typename T1, typename T2> inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); } template<typename T1, typename T2> inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); } // -------- END : macro -------- // // -------- START : debug macro -------- // template<class T,class U> ostream& operator<<(ostream& ost, const pair<T,U> &p) { ost << "(" << p.first << ", " << p.second << ")"; return ost; } #define ostream_container { ost << "{"; for(const auto &t : v) { if (&t != &*v.begin()) ost << ", "; ost << t; } ost << "}"; return ost; } template<class T> ostream& operator<<(ostream &ost, const vector<T> &v) ostream_container template<class T> ostream& operator<<(ostream &ost, const set<T> &v) ostream_container template<class T,class U> ostream& operator<<(ostream &ost, const map<T,U> &v) ostream_container template<class H> void recursive_debug(string s, H h) { cerr << "\033[33m" << s << " = " << h << endl << "\033[m"; } template<class H,class... T> void recursive_debug(string s, H h, T... t) { int comma = s.find(','); cerr << "\033[33m" << s.substr(0,comma) << " = " << h << ", "; recursive_debug(s.substr(comma+1), t...); } #define debug(...) recursive_debug(#__VA_ARGS__, __VA_ARGS__) // -------- END : debug macro -------- // // -------- END : snippet -------- // template <typename T> class SegmentTree{ public: int n; T element; vector<T> dat; function<T(T,T)> operate; SegmentTree(){} SegmentTree(int n_,T element_,function<T(T,T)> operate_){ element = element_; operate = operate_; n = 1; while(n < n_) n *= 2; dat = vector<T>(n*2,element); } void update(int k,T a){ k += n-1; dat[k] = a; while(k > 0){ k = (k-1)/2; dat[k] = operate(dat[k*2+1],dat[k*2+2]); } } T query(int a,int b,int k,int l,int r){ if(r<=a || b<=l) return element; if(a<=l && r<=b) return dat[k]; T vl = query(a,b,k*2+1,l,(l+r)/2); T vr = query(a,b,k*2+2,(l+r)/2,r); return operate(vl,vr); } T query(int a,int b) { return query(a,b,0,0,n); } T get(int k){ return query(k,k+1); } }; int main(void) { int N, Q; cin >> N >> Q; vector<ll> a(N); SegmentTree<ll> seg(N, 0, [](ll x, ll y){ return x^y; }); rep(i,N) { cin >> a[i]; seg.update(i, a[i]); } rep(q,Q) { int t; ll x,y; cin >> t >> x >> y; if (t == 1) { x--; seg.update(x, seg.get(x) ^ y); } else { x--; cout << seg.query(x,y) << endl; } } return 0; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); ++i) using namespace std; using ll = long long; using P = pair<ll, ll>; // Sieve of Eratosthenes // https://youtu.be/UTVg7wzMWQc?t=2774 struct Sieve { int n; vector<int> f, primes; Sieve(int n = 1) : n(n), f(n + 1) { f[0] = f[1] = -1; for (ll i = 2; i <= n; ++i) { if (f[i]) continue; primes.push_back(i); f[i] = i; for (ll j = i * i; j <= n; j += i) { if (!f[j]) f[j] = i; } } } bool isPrime(int x) { return f[x] == x; } vector<int> factorList(int x) { vector<int> res; while (x != 1) { res.push_back(f[x]); x /= f[x]; } return res; } vector<P> factor(int x) { vector<int> fl = factorList(x); if (fl.size() == 0) return {}; vector<P> res(1, P(fl[0], 0)); for (int p : fl) { if (res.back().first == p) { res.back().second++; } else { res.emplace_back(p, 1); } } return res; } vector<pair<ll, int>> factor(ll x) { vector<pair<ll, int>> res; for (int p : primes) { int y = 0; while (x % p == 0) x /= p, ++y; if (y != 0) res.emplace_back(p, y); } if (x != 1) res.emplace_back(x, 1); return res; } }; ll A, B; unordered_map<ll, int> mp; ll dp[1 << 20][74]; ll dfs(ll t, int mask) { if (dp[mask][t - A] != 0) { return dp[mask][t - A]; } if (t > B) { return dp[mask][t - A] = 1; } int tmask = mp[t]; ll retVal = 0; // cerr << "tmask =" << tmask << "bit wise=" << bitset<20>(mask & tmask) << endl; if ((mask & tmask) == 0) { retVal += dfs(t + 1, mask | tmask); } retVal += dfs(t + 1, mask); return dp[mask][t - A] = retVal; } void solve() { Sieve sieve(72); for (ll i = A; i <= B; i++) { int mask = 0; rep(j, sieve.primes.size()) { if (i % sieve.primes[j] == 0) { mask |= (1 << j); } } // cerr << "i=" << i << " mask=" << mask << endl; mp[i] = mask; } dfs(A, 0); cout << dp[0][0] << endl; } // Generated by 1.1.7.1 https://github.com/kyuridenamida/atcoder-tools (tips: You use the default template now. You can remove this line by using your custom template) int main() { scanf("%lld", &A); scanf("%lld", &B); solve(); return 0; }
#include <bits/stdc++.h> using namespace std; using ll =unsigned long long; typedef pair<ll,ll> P; #define SORT(a) sort((a).begin(),(a).end()) #define REV(a) reverse((a).begin(),(a).end()) #define For(i, a, b) for(int i = (a) ; i < (b) ; ++i) #define rep(i, n) For(i, 0, n) #define debug(x) cerr << #x << " = " << (x) << endl; template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } void coY() {cout <<"Yes"<<endl;} void coN(){cout <<"No"<<endl;} void mswap(ll &a, ll &b){ if(a >= b) swap(a,b); } void rswap(ll &a, ll &b){ if(a <= b) swap(a,b); } const int dy[] = {0,0,1,-1}; const int dx[] = {1,-1,0,0}; const ll mod = 1e9+7; const ll MOD = 998244353; const double PI=3.14159265358979323846; const int inf = 1001001001; const ll INF = 1e18; //Write From this Line int main() { int n; cin >> n; vector<int> a(n), b(n); rep(i,n) cin >> a[i] >> b[i]; int ans = inf; rep(i,n){ rep(j,n){ if(i == j){ chmin(ans, a[i] + b[j]); }else{ chmin(ans, max(a[i],b[j])); } } } cout << ans << endl; }
#include <bits/stdc++.h> #define rep(i, n) for(int i = 0; i < (n); i++) using namespace std; using P = pair<int, int>; using ll = long long; int main(){ int n, m; cin >> n >> m; map<int, vector<int>> mp; rep(i, m){ int x, y; cin >> x >> y; mp[x].push_back(y); } set<int> s; s.insert(n); for(auto p : mp){ vector<int> add; for(int y : p.second){ if(s.count(y-1) || s.count(y+1)) add.push_back(y); } for(int y : p.second) s.erase(y); for(int y : add) s.insert(y); } cout << s.size() << endl; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rrep(i, n) for(int i = n-1; i >= 0; i--) #define all(x) (x).begin(),(x).end() // 昇順ソート #define rall(v) (v).rbegin(), (v).rend() // 降順ソート #define FastIO ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0) #define sz(x) ((int)(x).size()) typedef long long ll; using P = pair<int,int>; using VI = vector<int>; using VVI = vector<vector<int>>; using VL = vector<ll>; using VVL = vector<vector<ll>>; using VP = vector<P>; template<typename T> void view(T e){std::cout << e << std::endl;} template<class T> bool chmax(T &a, const T &b) { if (a<b) { a=b; return true; } return false; } template<class T> bool chmin(T &a, const T &b) { if (a>b) { a=b; return true; } return false; } const int inf = 1 << 30; const ll INF = 1LL << 60; const int mod = 1000000007; struct mint { ll x; // typedef long long ll; mint(ll x=0):x((x%mod+mod)%mod){} mint operator-() const { return mint(-x);} mint& operator+=(const mint a) { if ((x += a.x) >= mod) x -= mod; return *this; } mint& operator-=(const mint a) { if ((x += mod-a.x) >= mod) x -= mod; return *this; } mint& operator*=(const mint a) { (x *= a.x) %= mod; return *this;} mint operator+(const mint a) const { return mint(*this) += a;} mint operator-(const mint a) const { return mint(*this) -= a;} mint operator*(const mint a) const { return mint(*this) *= a;} mint pow(ll t) const { if (!t) return 1; mint a = pow(t>>1); a *= a; if (t&1) a *= *this; return a; } // for prime mod mint inv() const { return pow(mod-2);} mint& operator/=(const mint a) { return *this *= a.inv();} mint operator/(const mint a) const { return mint(*this) /= a;} }; istream& operator>>(istream& is, const mint& a) { return is >> a.x;} ostream& operator<<(ostream& os, const mint& a) { return os << a.x;} mint pow2[4000005]; int main(){ int h, w; cin >> h >> w; vector<string> s(h); rep(i,h) cin >> s[i]; VVI l(h, VI(w)), r(h, VI(w)), u(h, VI(w)), d(h, VI(w)); rep(i, h) rep(j, w){ if (s[i][j] == '#') continue; if (i != 0) u[i][j] += u[i-1][j]; if (j != 0) l[i][j] += l[i][j-1]; u[i][j] += 1; l[i][j] += 1; } rrep(i, h) rrep(j, w){ if (s[i][j] == '#') continue; if (i != h-1) d[i][j] += d[i+1][j]; if (j != w-1) r[i][j] += r[i][j+1]; d[i][j] += 1; r[i][j] += 1; } ll cnt = 0; rep(i,h) rep(j,w) if (s[i][j] == '.') cnt++; pow2[0] = 1; rep(i, 4000005) pow2[i+1] = pow2[i] * 2; mint ans = 0; rep(i,h) rep(j,w){ if (s[i][j] == '#') continue; ll num = l[i][j] + r[i][j] + u[i][j] + d[i][j] - 3; ans += (pow2[num] - 1) * pow2[cnt-num]; } view(ans); return 0; }
#include<bits/stdc++.h> using namespace std; inline int read(){ int res=0; char c; bool zf=0; while(((c=getchar())<'0'||c>'9')&&c!= '-'); if(c=='-')zf=1; else res=c-'0'; while((c=getchar())>='0'&&c<='9')res=(res<<3)+(res<<1)+c-'0'; if(zf)return -res; return res; } signed main(){ cout<<read()-read()+read(); return 0; }
#include <iostream> using namespace std; int main() { int N; int A[4]; N = 4; int ans; for (int i = 0; i < N; i++) { cin >> A[i]; } for (int i = 0; i < N; i++) { if (i == 0) { ans = A[0]; } else { if (ans > A[i]) { ans = A[i]; } } } cout << ans << endl; }
#include <iostream> #include <vector> #include <algorithm> #include <string> using namespace std; typedef long long ll; int main(){ int n;cin>>n; for(int i=0;i<n;i++){ ll r,l;cin>>l>>r; ll res=int(r-2*l); if(res<0)cout<<0<<endl; else { res=(res+1)*(res+2)/2; cout<<res<<endl; } } return 0; }
// #define LOCAL #ifdef LOCAL #define _GLIBCXX_DEBUG #endif #include <bits/stdc++.h> using namespace std; #define int long long #define rep(i,s,n) for (int i = (ll)s; i < (ll)n; i++) #define rrep(i,n,e) for (int i = (ll)n; i > (ll)e; i--) #define ll long long #define ld long double #define pb push_back #define eb emplace_back #define All(x) x.begin(), x.end() #define Range(x, i, j) x.begin() + i, x.begin() + j // #define M_PI 3.14159265358979323846 // CF #define deg2rad(deg) ((((double)deg)/((double)360)*2*M_PI)) #define rad2deg(rad) ((((double)rad)/(double)2/M_PI)*(double)360) #define Find(set, element) set.find(element) != set.end() #define Decimal(x) cout << fixed << setprecision(10) << x << endl; // print Decimal number 10 Rank #define endl "\n" #define Case(x) printf("Case #%d: ", x); // gcj typedef pair<int, int> PI; typedef pair<ll, ll> PLL; typedef vector<int> vi; typedef vector<vector<int>> vvi; typedef vector<vector<vector<int>>> vvvi; typedef vector<ll> vl; typedef vector<vector<ll>> vvl; typedef vector<vector<vector<ll>>> vvvl; typedef vector<PI> vpi; typedef vector<vector<PI>> vvpi; typedef vector<PLL> vpl; typedef vector<vector<PLL>> vvpl; typedef vector<char> vch; typedef vector<vector<char>> vvch; constexpr ll INF = 1001002003004005006ll; constexpr int n_max = 2e5+10; template<class T> inline bool chmax(T &a, T b) { if(a<b) { a=b; return true; } return false; }; template<class T> inline bool chmin(T &a, T b) { if(a>b) { a=b; return true; } return false; }; template<class T, class U> T POW(T x, U n) {T ret=1; while (n>0) {if (n&1) {ret*=x;} x*=x; n>>=1;} return ret;}; // debug template <typename A, typename B> string to_string(pair<A, B> p); string to_string(const string &s) {return '"' + s + '"';}; string to_string(const char c) {return to_string((string) &c);}; string to_string(bool b) {return (b ? "true" : "false");}; template <size_t N> string to_string(bitset<N> v){ string res = ""; for(size_t i = 0; i < N; i++) res += static_cast<char>('0' + v[i]); return res; }; template <typename A> string to_string(A v) { bool first = true; string res = "{"; for(const auto &x : v) { if(!first) res += ", "; first = false; res += to_string(x); } res += "}"; return res; }; template <typename A, typename B> string to_string(pair<A, B> p){return "(" + to_string(p.first) + ", " + to_string(p.second) + ")";} void debug_out() {cerr << endl;}; template<typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << " " << to_string(H); debug_out(T...); }; void LINE_OUT() { cout << "--------------" << endl; }; #ifdef LOCAL #define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__) #define LINE LINE_OUT(); #else #define debug(...) 71 #define LINE 71; #endif void print() { cout << endl; } template <class Head, class... Tail> void print(Head&& head, Tail&&... tail) { cout << head; if (sizeof...(tail) != 0) cout << " "; print(forward<Tail>(tail)...); }; template <class T> void print(vector<T> &vec) { for (auto& a : vec) { cout << a; if (&a != &vec.back()) cout << " "; } cout << endl; }; template <class T> void print(vector<vector<T>> &df) { for (auto& vec : df) { print(vec); } }; void solve() { int L, R; cin >> L >> R; int alt = R-2*L+1; if (alt <= 0) { cout << 0 << endl; } else { cout << (alt+1)*alt/2 << endl; } } signed main() { ios::sync_with_stdio(false); cin.tie(0); int t; cin >> t; while (t--) { solve(); } return 0; };
#include<bits/stdc++.h> using namespace std; #define ll __int128 #define pll pair<ll,ll> #define mp make_pair #define fi first #define se second #define db double #define pb push_back #define N 1000000000 #define inf 10000000000000 char s[65]; ll len,mx,m; inline ll ksm(ll a,ll b){ ll res=1; for(;b;b>>=1,a=a*a){ if(b&1)res=res*a; if(res>m)return -1; } return res; } inline ll read(){ ll f=0,s=0; char c=getchar(); while(c>'9'||c<'0')f=(c=='-'),c=getchar(); while(c>='0'&&c<='9')s=(s<<3)+(s<<1)+(c^'0'),c=getchar(); return f?-s:s; } inline void write(ll x) { if(x<0) { putchar('-'); x=-x; } if(x>9) write(x/10); putchar(x%10+'0'); } inline ll check(ll x){ ll res=0; for(int i=len;i>=1;i--){ ll tt=ksm(x,len-i); if(tt!=-1)res+=(s[i]-'0')*tt; //write(res); cout<<endl; else return 1e30; } return res; } int main(){ scanf("%s",s+1); len=strlen(s+1),mx=0; m=read(); for(int i=1;i<=len;i++)mx=max(mx,(ll)s[i]-'0'); if(len==1){ if(s[1]-'0'<=m)puts("1"); else puts("0"); return 0; } ll l=mx+1,r=m,mid,res=mx; while(l<=r){ mid=(l+r)>>1; //write(l); putchar(' '); write(r); putchar(' '); write(mid); cout<<endl; if(check(mid)<=m)l=mid+1,res=mid; else r=mid-1; } write(res-mx); return 0; }
#include <bits/stdc++.h> using namespace std; template<typename T> struct counting_iterator: public iterator<random_access_iterator_tag, bool>{ T value = 0; counting_iterator(const T &value): value(value){} counting_iterator(const counting_iterator &it): value(it.value){} counting_iterator(){} typename iterator_traits<counting_iterator>::difference_type operator-(const counting_iterator &it) const{ return value - it.value; } counting_iterator &operator++(){ return *this += 1; } counting_iterator &operator--(){ return *this += -1; } counting_iterator &operator+=(typename iterator_traits<counting_iterator>::difference_type n){ value += n; return *this; } bool operator!=(const counting_iterator &it) const{ return value != it.value; } T &operator*(){ return value; } }; template<typename T> using cnt_it = counting_iterator<T>; int main(){ cin.tie(0)->sync_with_stdio(0); cin.exceptions(ios::badbit | ios::failbit); string x; long long m; cin >> x >> m; if((int)x.size() == 1){ cout << (x[0] - '0' <= m) << "\n"; return 0; } int d = *max_element(x.begin(), x.end()) - '0'; auto pred = [&](long long n){ long long cur = 0; for(auto digit: x){ if(__builtin_mul_overflow_p(cur, n, 0LL) || __builtin_add_overflow_p(cur * n, digit - '0', 0LL)){ return false; } cur = cur * n + digit - '0'; } return cur <= m; }; cout << *partition_point(cnt_it<long long>(d + 1), cnt_it<long long>(numeric_limits<long long>::max()), pred) - d - 1 << "\n"; return 0; } /* */ //////////////////////////////////////////////////////////////////////////////////////// // // // Coded by Aeren // // // ////////////////////////////////////////////////////////////////////////////////////////
#include<bits/stdc++.h> using namespace std; using ll=long long; int main(){ int n,m; cin >> n >> m; vector<vector<int>> g(n); for(int i=0;i<m;++i){ int a,b; cin >> a >> b; a--; b--; g[a].push_back(b); } ll ans=0; for(int i=0;i<n;++i){ vector<int> dist(n,-1); queue<int> que; dist[i]=0; que.push(i); while(!que.empty()){ int v=que.front(); que.pop(); ans++; for(int nv : g[v]){ if(dist[nv]!=-1)continue; dist[nv]=dist[v]+1; que.push(nv); } } } cout << ans << endl; return 0; }
//#include <atcoder/all> #include <bits/stdc++.h> #include <math.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep2(i, s, n) for (int i = (s); i < (int)(n); i++) typedef long long ll; typedef pair<ll, ll> P; const int MOD = 1000000007; const int INF_32 = 1LL << 30; const int64_t INF_64 = 1LL << 60; int main() { int N, M; cin >> N >> M; vector<int> A(N); rep(i, N) { cin >> A[i]; } multiset<int> st; unordered_map<int, int> mp; for (int i = 0; i <= N; i++) { st.insert(i); mp[i]++; } int res = INF_32; int right = 0; int size = 0; for (int left = 0; left < N; left++) { while (right < N && size < M) { if (st.find(A[right]) != st.end()) { st.erase(st.find(A[right])); } mp[A[right]]--; size++; right++; } res = min(res, *st.begin()); if (right == N) break; if (left == right) right++; else { if (mp[A[left]] == 0) // 足りないのはあと一個 st.insert(A[left]); mp[A[left]]++; size--; } } cout << res << endl; return 0; }
#include <bits/stdc++.h> #define REP(i, s, n) for (int i = s; i < (int)(n); i++) #define ALL(a) a.begin(), a.end() #define MOD 1000000007 using namespace std; using ll = long long; template<int M> class ModInt { public: ll value; constexpr ModInt(ll v = 0) { value = v % M; if (value < 0) value += M; } constexpr ModInt pow(ll n) const { if (!n) return 1; ModInt a = pow(n >> 1); a *= a; if (n & 1) a *= *this; return a; } constexpr ModInt inv() const { return this->pow(M - 2); } constexpr ModInt operator + (const ModInt &rhs) const { return ModInt(*this) += rhs; }; constexpr ModInt operator - (const ModInt &rhs) const { return ModInt(*this) -= rhs; }; constexpr ModInt operator * (const ModInt &rhs) const { return ModInt(*this) *= rhs; }; constexpr ModInt operator / (const ModInt &rhs) const { return ModInt(*this) /= rhs; }; constexpr ModInt &operator += (const ModInt &rhs) { value += rhs.value; if (value >= M) value -= M; return *this; }; constexpr ModInt &operator -= (const ModInt &rhs) { value -= rhs.value; if (value < 0) value += M; return *this; }; constexpr ModInt &operator *= (const ModInt &rhs) { value = value * rhs.value % M; return *this; }; constexpr ModInt &operator /= (const ModInt &rhs) { return (*this) *= rhs.inv(); }; constexpr bool operator == (const ModInt &rhs) { return value == rhs.value; } constexpr bool operator != (const ModInt &rhs) { return value != rhs.value; } friend ostream &operator << (ostream &os, const ModInt &rhs) { os << rhs.value; return os; } }; using mint = ModInt<MOD>; int main() { int N, M; cin >> N >> M; vector<int> A(N); REP(i, 0, N) cin >> A[i]; ll S = accumulate(ALL(A), 0LL); mint ans = 1; REP(i, 0, N + S) { ans *= (N + M - i); ans /= (N + S - i); } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using uint = unsigned int; using ull = unsigned long long; #define rep(i,n) for(int i=0;i<int(n);i++) #define rep1(i,n) for(int i=1;i<=int(n);i++) #define per(i,n) for(int i=int(n)-1;i>=0;i--) #define per1(i,n) for(int i=int(n);i>0;i--) #define all(c) c.begin(),c.end() #define si(x) int(x.size()) #define pb emplace_back #define fs first #define sc second template<class T> using V = vector<T>; template<class T> using VV = vector<vector<T>>; template<class T,class U> void chmax(T& x, U y){if(x<y) x=y;} template<class T,class U> void chmin(T& x, U y){if(y<x) x=y;} template<class T> void mkuni(V<T>& v){sort(all(v));v.erase(unique(all(v)),v.end());} template<class T> int lwb(const V<T>& v, const T& a){return lower_bound(all(v),a) - v.begin();} template<class S,class T> ostream& operator<<(ostream& o,const pair<S,T> &p){ return o<<"("<<p.fs<<","<<p.sc<<")"; } template<class T> ostream& operator<<(ostream& o,const vector<T> &vc){ o<<"{"; for(const T& v:vc) o<<v<<","; o<<"}"; return o; } constexpr ll TEN(int n) { return (n == 0) ? 1 : 10 * TEN(n-1); } #ifdef LOCAL #define show(x) cerr << "LINE" << __LINE__ << " : " << #x << " = " << (x) << endl void dmpr(ostream& os){os<<endl;} template<class T,class... Args> void dmpr(ostream&os,const T&t,const Args&... args){ os<<t<<" ~ "; dmpr(os,args...); } #define shows(...) cerr << "LINE" << __LINE__ << " : ";dmpr(cerr,##__VA_ARGS__) #define dump(x) cerr << "LINE" << __LINE__ << " : " << #x << " = {"; \ for(auto v: x) cerr << v << ","; cerr << "}" << endl; #else #define show(x) void(0) #define dump(x) void(0) #define shows(...) void(0) #endif int main(){ cin.tie(0); ios::sync_with_stdio(false); //DON'T USE scanf/printf/puts !! cout << fixed << setprecision(20); int N; double D,H; cin >> N >> D >> H; double ans = 0; while(N--){ double d,h; cin >> d >> h; chmax(ans,h-(H-h)/(D-d)*d); } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; // type alias typedef long long LL; typedef pair<int,int> II; typedef tuple<int,int,int> III; typedef vector<int> VI; typedef vector<string> VS; typedef unordered_map<int,int> MAPII; typedef unordered_set<int> SETI; template<class T> using VV=vector<vector<T>>; // minmax template<class T> inline T SMIN(T& a, const T b) { return a=(a>b)?b:a; } template<class T> inline T SMAX(T& a, const T b) { return a=(a<b)?b:a; } // repetition #define FORE(i,a,b) for(int i=(a);i<=(b);++i) #define REPE(i,n) for(int i=0;i<=(n);++i) #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) for(int i=0;i<(n);++i) #define FORR(x,arr) for(auto& x:arr) #define SZ(a) int((a).size()) // collection #define ALL(c) (c).begin(),(c).end() // DP #define MINUS(dp) memset(dp, -1, sizeof(dp)) #define ZERO(dp) memset(dp, 0, sizeof(dp)) // stdout #define println(args...) fprintf(stdout, ##args),putchar('\n'); // debug cerr template<class Iter> void __kumaerrc(Iter begin, Iter end) { for(; begin!=end; ++begin) { cerr<<*begin<<','; } cerr<<endl; } void __kumaerr(istream_iterator<string> it) { (void)it; cerr<<endl; } template<typename T, typename... Args> void __kumaerr(istream_iterator<string> it, T a, Args... args) { cerr<<*it<<"="<<a<<", ",__kumaerr(++it, args...); } template<typename S, typename T> std::ostream& operator<<(std::ostream& _os, const std::pair<S,T>& _p) { return _os<<"{"<<_p.first<<','<<_p.second<<"}"; } #define __KUMATRACE__ true #ifdef __KUMATRACE__ #define dump(args...) { string _s = #args; replace(_s.begin(), _s.end(), ',', ' '); stringstream _ss(_s); istream_iterator<string> _it(_ss); __kumaerr(_it, args); } #define dumpc(ar) { cerr<<#ar<<": "; FORR(x,(ar)) { cerr << x << ','; } cerr << endl; } #define dumpC(beg,end) { cerr<<"~"<<#end<<": "; __kumaerrc(beg,end); } #else #define dump(args...) #define dumpc(ar) #define dumpC(beg,end) #endif // $ cp-batch VillageOfMPeople | diff VillageOfMPeople.out - // $ g++ -std=c++14 -Wall -O2 -D_GLIBCXX_DEBUG -fsanitize=address VillageOfMPeople.cpp && ./a.out /* 5/9/2021 23:18-23:48 give up 5/10/2021 22:20-22:33 WA */ const int MAX_K=1e6+1; LL A[MAX_K]; LL K,N,M; VV<LL> build(LL d) { VV<LL> B(2,vector<LL>(K)); REP(i,K) { LL minb=(M*A[i]-d+N-1)/N; LL maxb=(M*A[i]+d)/N; B[0][i]=minb,B[1][i]=maxb; } return B; } bool ok(LL d) { VV<LL> B=build(d); LL minm=0,maxm=0; REP(i,K) minm+=B[0][i],maxm+=B[1][i]; return minm<=M&&M<=maxm; } void solve() { LL good=2e18,bad=-1; while(abs(good-bad)>1) { LL m=(good+bad)/2; (ok(m)?good:bad)=m; } auto B=build(good); vector<LL> res=B[0]; LL sum=accumulate(ALL(B[0]),0LL); assert(sum<=M); LL rem=M-sum; REP(i,K) { while(rem>0&&res[i]<B[1][i]) res[i]++,--rem; } assert(accumulate(ALL(res),0LL)==M); REP(i,K) cout<<res[i]<<" "; cout<<endl; } int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout<<setprecision(12)<<fixed; cin>>K>>N>>M; REP(i,K) cin>>A[i]; solve(); return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long int #define ff first #define ss second #define pb push_back #define mp make_pair #define deb(x) cout<< #x << " " << x << "\n"; #define MAX 9223372036854775807 #define MIN -9223372036854775807 #define setbits(n) __builtin_popcountll(n) #define mkunique(a) sort(a.begin(),a.end()); a.resize(unique(a.begin(),a.end())-a.begin()); #define print(s) for(ll u: s) cout<<u<<" "; cout<<"\n"; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); const ll mod=1e9+7; ll n; vector<ll> a; long double getexp(long double x){ long double sum=0; for(ll i=0;i<n;i++){ sum = sum + x + (long double)a[i] - min((long double)a[i],x*2); } sum/=n; return sum; } int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); ll TT=clock(); cin>>n; a.assign(n,0); for(ll i=0;i<n;i++) cin>>a[i]; long double l=0, r=2e9; for(ll i=0;i<100;i++){ long double m1 = l + (r-l)/3; long double m2 = l + 2*(r-l)/3; if(getexp(m1)>getexp(m2)) l = m1; else r = m2; } cout<<fixed<<setprecision(10); cout<<getexp(l); cerr<<"\n\nTIME: "<<(long double)(clock()-TT)/CLOCKS_PER_SEC<<" sec\n"; TT = clock(); return 0; }
// Link to the Problem // https://atcoder.jp/contests/abc197/tasks/abc197_a /* 飲んだ魔剤で家が建つ。 created at: 2021-04-11 19:20:49 cleared at: */ #include <bits/stdc++.h> using namespace std; #define all(x) (x).begin(),(x).end() #define MOD 1000000007 #define INF 1000000000 long long rtceil (long long x) { long long i; for (i = 1; x > 0; i++) { x -= i*2 + 1; } return i - 1; } int main() { string s; cin >> s; s = (s + s[0]).substr(1); cout << s << endl; return 0; }
#include <iostream> #include <vector> #include <string> #include <algorithm> #include <cmath> #include <stack> #include <queue> #include <set> #include <map> #include <bitset> #include <iomanip> #include <climits> #include <functional> #include <cassert> using namespace std; typedef long long ll; typedef pair<int,int> PII; typedef pair<ll,ll> PLL; typedef vector<int> VI; typedef vector<ll> VL; typedef vector<string> VS; typedef vector<VI> VVI; typedef vector<VL> VVL; typedef vector<PII> VPI; typedef vector<PLL> VPL; #define rep(i,n) for(ll i=0;i<(n);i++) #define rep1(i,n) for(ll i=1;i<(n);i++) #define rep2(i,n,m) for(ll i=n;i<(m);i++) #define all(a) (a).begin(),(a).end() #define pf push_front #define pb push_back #define mp make_pair #define mt make_tuple #define ub upper_bound #define lb lower_bound #define fi first #define se second void YES(int a){ if(a) cout<<"YES"<<endl; else cout<<"NO"<<endl; } void Yes(int a){ if(a) cout<<"Yes"<<endl; else cout<<"No"<<endl; } //#include <atcoder/all> //using namespace atcoder; //typedef modint998244353 mint; int main(){ string S; cin>>S; cout<<S.substr(1,2)<<S[0]<<endl; }
#include <bits/stdc++.h> #define F first #define S second #define all(x) x.begin(),x.end() #define endl '\n' using namespace std; using ll = long long; using pii = pair<int, int>; const int INF = 0x3f3f3f3f; const ll INFLL = 0x3f3f3f3f3f3f3f3fLL; const int MOD = 1000000007; const int dx[] = { 0, 0, -1, 1, 1, -1, 1, -1}; const int dy[] = {-1, 1, 0, 0, 1, -1, -1, 1}; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); ll n; cin >> n; n = 2*n; auto cnt = [&](ll x){ ll aux = n/x; aux -= x-1; return aux%2 == 0; }; ll ans = 0; for(ll d=1; d<=n/d; d++){ if(n%d == 0){ ans += cnt(d); if(d*d != n) ans += cnt(n/d); } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long template <class T = ll> using P = pair<T,T>; template <class T = ll> using V = vector<T>; template <class T = ll> using VV = V<V<T>>; #define rep(i,n) for(int i=0; i<(n);++i) #define repp(i, l, r) for(int i = (l); i < (r); ++i) #define pb push_back #define all(v) (v).begin(), (v).end() // xのどれかにyを含むか bool contain(int x, int y){ if(x%10 == y) return true; else if((x/10)%10 == y) return true; else if((x/100)%10 == y) return true; else if((x/1000)%10 == y) return true; else return false; } int main() { string s; cin >> s; int v[10] = {}; rep(i, 10){ if(s[i] == 'o'){ v[i] = 0; }else if(s[i] == 'x'){ v[i] = 1; }else{ v[i] = 2; } } ll ans = 0; rep(i, 10000){ bool ok = true; rep(j, 10){ if(v[j] == 0){ ok &= contain(i, j); } else if(v[j] == 1){ ok &= !contain(i, j); } } if(ok) ans++; } cout << ans << endl; return 0; }
/** * Author: Sohel Rana * Date: 2020-10-24 23:02:29 * Task: B_Various_distances **/ #include <bits/stdc++.h> #define endl '\n' #define db double #define ld long double #define ll long long #define ull unsigned long long #define sqr(x) (x) * (x) #define gcd(a, b) __gcd(a, b) #define lcm(a, b) ((a/gcd(a,b)) * b) #define pf(x) push_front(x) #define pb(x) push_back(x) #define eb(x) emplace_back(x) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define sz(x) (int)x.size() #define debug(x) cerr << #x << " = " << (x) << endl #define debug2(x,y) cerr << #x << " = " << (x)<< "," << #y << " = " <<(y)<< endl #define unsyncIO ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0) const ld PI = acos((ld)-1); const int MOD = 1e9+7; const ll INF = 1e18; using namespace std; int main() { //freopen("in.txt", "r", stdin); //freopen("out.txt", "w", stdout); //unsyncIO; int n, mx = 0; ull Manhattan = 0; ld euclidian = 0; cin >> n; for (int i = 0; i < n; i++) { ll temp; cin >> temp; if (temp < 0) temp = temp * -1; if ((temp) > mx) mx = (temp); Manhattan += (temp); euclidian += sqr(temp); } cout << Manhattan << endl; //ld euc = sqrt(euclidian); printf("%0.15Lf\n",sqrt(euclidian)); //cout << sqrt(euclidian << endl; cout << mx << endl; return 0; }
#include<bits/stdc++.h> using namespace std; #define res register int #define ll long long //#define cccgift #define lowbit(x) ((x)&-(x)) #define rep(i,l,r) for(res i=l,_r=r;i<=_r;++i) #define per(i,r,l) for(res i=r,_l=l;i>=_l;--i) #define mkp make_pair #define pb push_back #define mem0(a) memset(a,0,sizeof(a)) #define mem0n(a,n) memset(a,0,n*sizeof(a[0])) #define iter(x,v) for(res v,_p=head[x];v=ver[_p],_p;_p=nxt[_p]) #ifdef cccgift //by lqh #define SHOW(x) cerr<<#x"="<<(x)<<endl #else #define SHOW(x) 0 #endif //#define getchar()(ip1==ip2&&(ip2=(ip1=ibuf)+fread(ibuf,1,1<<21,stdin),ip1==ip2)?EOF:*ip1++) //char ibuf[1<<21],*ip1=ibuf,*ip2=ibuf; template<typename T> inline void read(T &x) { static char ch;bool f=1; for(x=0,ch=getchar();!isdigit(ch);ch=getchar()) if(ch=='-') f=0; for(;isdigit(ch);x=(x<<1)+(x<<3)+(ch^48),ch=getchar());x=f?x:-x; } template<typename T> void print(T x) { if (x<0) x=-x,putchar('-'); if (x>9) print(x/10); putchar(x%10+48); } template<typename T> inline void print(T x,char ap) {print(x);if (ap) putchar(ap);} template<typename T> inline void chkmax(T &x,const T &y) {x=x<y?y:x;} template<typename T> inline void chkmin(T &x,const T &y) {x=x<y?x:y;} int n,k; char s[201]; inline char doit(char ch1,char ch2) { if(ch1==ch2) return ch1; if(ch1>ch2) swap(ch1,ch2); if(ch1=='P'&&ch2=='R') return 'P'; if(ch1=='P'&&ch2=='S') return 'S'; return 'R'; } int main() { read(n),read(k),scanf("%s",s+1); rep(i,1,k) { if(n&1) { rep(i,n+1,n+n) s[i]=s[i-n]; n*=2; }int len=0; for(res j=1;j<=n;j+=2) s[++len]=doit(s[j],s[j+1]); n=len; } putchar(s[1]),puts(""); return 0; } /* stuff you should look for * int overflow, array bounds * special cases (n=1?), set tle * do something instead of nothing and stay organized */
#include <iostream> #include <vector> #include <string> #include <array> #include <functional> #include <algorithm> #include <stack> #include <map> #include <set> #include <climits> #include <queue> #include <bitset> #include <cassert> #include <math.h> #include <complex> #include <iomanip> #include <unordered_map> using namespace std; #define ll long long #define pb(x) push_back(x) template<typename T1> void dbg_pr(vector<T1> V, int add = 0, int start = -1, int end = -1) { cout << "{"; if (start < 0) start = 0; if (end < 0) end = V.size() - 1; for (int i = start; i <= end; i++) { cout << V[i] + add << ((i == end) ? "}" : " "); } } void dbg_pr(string V) {cout << "\"" << V << "\"";} template<typename T1> void dbg_pr(T1 V) {cout << V;} template<typename T1, typename T2> void dbg_pr(map<T1, T2> M) { cout << "{"; for(const auto m : M) { dbg_pr(m.first); cout << ":"; dbg_pr(m.second); cout << ","; } cout << "}"; } #ifdef _OLIMPOLOCAL #define dbg(...) cerr << "\033[1;36m[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__) #else #define dbg(...) 1337 #endif void debug_out() { cout << "\033[0m\n";} template<typename T1, typename... T2> void debug_out(T1 A, T2... B) { cout << " "; dbg_pr(A); debug_out(B...); } int test = 1; #define out(x) {cout << x << "\n";return;} #define all(N) N.begin(),N.end() #define allr(N) N.rbegin(),N.rend() void setupFastCin() {ios::sync_with_stdio(false);cin.tie(0);} template<typename T1> T1 chmin(T1 &x, const T1 v) { return x = min(x,v); } template<typename T1> T1 chmax(T1 &x, const T1 v) { return x = max(x,v); } template<typename T1> void pr(vector<T1> V, int add = 0, int start = -1, int end = -1) { if (start < 0) start = 0; if (end < 0) end = V.size() - 1; for (int i = start; i <= end; i++) { cout << V[i] + add << ((i == end) ? "\n" : " "); } } #define rep(i, n) for (int i = 0; i < n; i++) #define reps(i, s, n) for (int i = s; i < n; i++) #define repr(i, n) for (int i = n-1; i >= 0; i--) #define repsr(i, s, n) for (int i = n-1; i >= s; i--) #define PI pair<int,int> #define PLL pair<ll, ll> template<typename T1> T1 gcd(const T1 &a, const T1 &b) { if (a == 0 || b == 0) return a + b; return gcd(b, a %b); } //-------------------------- ^ DONT TOUCH ^----------------------------------------------------------------- #define MAX 1000000 #define MAXP 21 //#define MOD 998244353ll #define MOD 1000000007ll long long power(long long x, long long n) { long long p = x; long long s = 1; while (n > 0) { if (n & 1) s = (s * p) % MOD; p = (p * p) % MOD; n /= 2; } return s; } int n; ll N[MAX]; double val(double x) { double s = -x; rep(i,n) { s += min((double)N[i], 2 * x) / n; } //dbg(x, s); return s; } void solve() { cin >> n; double s = 0; double hi = 0; double lo = 0; rep(i,n) { cin >> N[i]; s -= N[i]; chmax(hi, N[i] * 2.0 + 1); } rep(kk, 100) { double sz = (hi - lo) / 3; double m1 = lo + sz; double m2 = hi - sz; if (val(m1) < val(m2)) lo = m1; else hi = m2; } double ans = s / n + val(lo); printf("%.10lf\n", -ans); } int main() { setupFastCin(); int T = 1; #ifdef _OLIMPOLOCAL cin >> T; #endif reps(t, 1, T + 1){ solve(); } return 0; }
#include <bits/stdc++.h> #if MYDEBUG #include "lib/cp_debug.hpp" #else #define DBG(...) ; #endif #if __cplusplus <= 201402L template <typename T> T gcd(T a, T b) { return ((a % b == 0) ? b : gcd(b, a % b)); } template <typename T> T lcm(T a, T b) { return a / gcd(a, b) * b; } #endif using LL = long long; constexpr LL LINF = 334ll << 53; constexpr int INF = 15 << 26; constexpr LL MOD = 1E9 + 7; namespace Problem { using namespace std; class Solver { public: int n; vector<double> a; Solver(LL n) : n(n), a(n){}; void solve() { for (int i = 0; i < n; ++i) { cin >> a[i]; } sort(a.begin(), a.end()); double x = a[n / 2] / 2; double ans = 0; for (int i = 0; i < n; ++i) { ans += x + a[i] - min(a[i], 2.0 * x); } cout << ans / n << endl; } }; } // namespace Problem int main() { std::cin.tie(0); std::ios_base::sync_with_stdio(false); std::cout << std::fixed << std::setprecision(12); long long n = 0; std::cin >> n; Problem::Solver sol(n); sol.solve(); return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define endl "\n" #define all(v) begin(v),end(v) #define pb push_back #define fr first #define sc second #define si(s) (int)s.size() #define rep(i,a,b) for(int i=a;i<b;i++) #define pi 3.1415926536 #define dig(a) fixed<<setprecision(a) #define fast ios_base::sync_with_stdio(false); cin.tie(NULL) const int M = 1e9+7; const int N = 1e5+5; ll power(ll a, ll n) { ll res = 1; while (n) { if (n % 2) {res = (res * a) % M;} n >>= 1; a = (a * a) % M;} return res; } void solve(){ int n; cin>>n; vector<ll> a(n); for(auto &x:a){ cin>>x; } ll ma = INT_MIN; for(int i=0;i<n;i++){ ll s = a[i]; for(int j=i-1;j>=0;j--){ if(a[i]<=a[j]){ s+=a[i]; } else{ break; } } for(int j=i+1;j<n;j++){ if(a[i]<=a[j]){ s+=a[i]; } else{ break; } } ma = max(ma,s); } cout<<ma; } int main(){ fast; // #ifndef ONLINE_JUDGE // freopen("input.txt","r",stdin); // freopen("output.txt","w",stdout); // #endif int tc=1; //cin>>tc; while(tc--){ solve(); } return 0; }
#include <bits/stdc++.h> #define PRINT(x) cerr<<#x<<'='<<x<<endl #define NL(x) " \n"[(x)] #define sz(x) int((x).size()) #define all(x) begin(x),end(x) #define mid (l+r)/2 #define fi first #define se second #define pb push_back #define endl '\n' #define lld long long #define pii pair<int,int> #define pli pair<lld,int> #define pil pair<int,lld> #define pll pair<lld,lld> #define INF 1000000000 #define LINF 1000000000000000000LL #define EPS 1e-9 using namespace std; #define MAXN 10010 lld A[MAXN]; int main() { ios::sync_with_stdio(false); cin.tie(0); int N; cin >> N; for(int i = 1; i <= N; i++) cin >> A[i]; long long rez = 0; for(int i = 1; i <= N; i++) { lld minn = INF; for(int j = i; j <= N; j++) { minn = min(minn, A[j]); rez = max(rez, minn*(j-i+1)); } } cout << rez; return 0; }
/*input 10 6 7 5 18 2 3 8 1 6 3 7 2 8 7 7 6 3 3 4 7 12 8 9 15 9 9 8 6 1 10 12 9 7 8 2 10 3 17 4 10 3 1 3 19 3 3 14 7 13 1 */ #include <bits/stdc++.h> #define pb push_back #define x first #define y second #define all(a) a.begin(), a.end() #define sz(a) (int)a.size() #define rd() abs((int)rng()) using namespace std; using ll = long long; using ld = long double; using pii = pair<int, int>; const int maxn = 2e5 + 10; const int mod = 1e9 + 7; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); int n; vector<vector<int> >v; int get(int msk, int i) { int mn = mod; for (int bit = 0; bit < 5; bit++) { if (msk >> bit & 1) { mn = min(mn, v[i][bit]); } } return mn; } int main() { ios_base::sync_with_stdio(false), cin.tie(0); cin >> n; vector<int>best(1 << 5, -1); for (int i = 0; i < n; i++) { vector<int>cand; for (int j = 0; j < 5; j++) { int a; cin >> a; cand.pb(a); } v.pb(cand); for (int msk = 0; msk < 1 << 5; msk++) { if (best[msk] == -1) { best[msk] = i; } else if (get(msk, i) > get(msk, best[msk])) { best[msk] = i; } } } int ans = 0; for (int a = 0; a < 1 << 5; a++) { for (int b = a; b >= 0; b = (b - 1) & a) { int msk1 = b; int msk2 = a ^ b; int msk3 = ((1 << 5) - 1) ^ a; vector<int>mx(5); for (int idx : {best[msk1], best[msk2], best[msk3]}) { for (int i = 0; i < 5; i++) { mx[i] = max(mx[i], v[idx][i]); } } int mn = mod; for (int i = 0; i < 5; i++) { mn = min(mn, mx[i]); } ans = max(ans, mn); if (b == 0) { break; } } } cout << ans << "\n"; return 0; }
#include<bits/stdc++.h> #define DONTSYNC ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL) //dont use stdio with iostream functions //input and output are out of order now! #define TEST unsigned long long T; cin>>T; while(T--) //loop over each testcase #define endl "\n" #define fori(a,start,end) for(int a=start;a<end;a++) #define forll(a,start,end) for(long long a=start;a<end;a++) #define forull(a,start,end) for(unsigned long long a=start;a<end;a++) typedef long long ll; typedef unsigned long long ull; #define pii pair<int,int> #define pil pair<int,ll> #define pli pair<ll,int> #define pll pair<ll,ll> #define fi first #define se second using namespace std; void solve(){ /* code */ int n; cin>>n; vector<vector<int>> mat(n,vector<int>(n)); int mini=0,minj=0; fori(i,0,n){ fori(j,0,n){ cin>>mat[i][j]; if(mat[i][j]<mat[mini][minj]) mini=i,minj=j; } } vector<int> B(n); vector<int> A(n); fori(i,0,n){ if(!i) B[i]=0; else{ B[i]=mat[0][i]-mat[0][0]; } if(!i) A[i]=0; else{ A[i]=mat[i][0]-mat[0][0]; } } fori(i,1,n){ fori(j,1,n){ if(B[j]!=mat[i][j]-mat[i][0]) {cout<<"No"<<endl;return;} if(A[i]!=mat[i][j]-mat[0][j]) {cout<<"No"<<endl;return;} } }cout<<"Yes"<<endl; fori(i,0,n){ cout<<A[i]-A[mini]<<' '; } cout<<endl; fori(i,0,n){ cout<<B[i]-B[minj]+mat[mini][minj]<<' '; } cout<<endl; } int main() { DONTSYNC; // TEST solve(); return 0; }
#include <iostream> #include <string> #include <algorithm> int main() { std::string input; std::cin >> input; std::reverse(input.begin(), input.end()); for(int i = 0; i < input.length(); ++i) { if(input.at(i) == '6') input.at(i) = '9'; else if(input.at(i) == '9') input.at(i) = '6'; } std::cout << input << std::endl; return 0; }
#include <bits/stdc++.h> #define MOD 998244353 using namespace std; typedef long long LL; int main(){ long long i,j,k,l,m,n,t; char a[300010]; cin>>n; getchar(); for(i=0;i<n;i++) { a[i]=getchar(); } if (a[0]!=a[n-1]) { cout<<1; return 0; } for(i=1;i<n-1;i++) { if (a[i]!=a[0]&&a[i+1]!=a[0]) { cout<<2; return 0; } } cout<<-1; return 0; }
// {{{ by unolight #include <bits/stdc++.h> #pragma GCC diagnostic ignored "-Wunused-result" #pragma GCC diagnostic ignored "-Wunused-function" #define SZ(x) ((int)(x).size()) #define REP(i, n) for (int i = 0; i < (int)(n); i++) #define REP1(i,a,b) for (int i = a; i <= (int)(b); i++) #define ALL(c) (c).begin(), (c).end() #define RALL(c) (c).rbegin(), (c).rend() #define PB push_back #define MP make_pair using namespace std; typedef long long LL; typedef vector<int> VI; typedef pair<int,int> PII; namespace { namespace unolight { #ifdef UNOLIGHT #include "dump.hpp" #else #define dump(...) #endif template<class T> inline bool chmax( T &a, const T &b ) { return b>a ? a=b,true : false; } template<class T> inline bool chmin( T &a, const T &b ) { return b<a ? a=b,true : false; } template <class T, class F = less<T>> void sort_uniq(vector<T> &v, F f = F()) { sort(begin(v), end(v), f); v.resize(unique(begin(v), end(v)) - begin(v)); } // }}} void main() { int n,m; cin >> n >> m; if ( m<0||(n==1 && m==1 )||(n>1 && m>n-2) ) { cout << -1 << '\n'; return; } if ( n==1 ) { cout << 1 << ' ' << 2 << '\n'; return; } int l=1, r=2*(m+1)+2; vector<PII> ans; ans.emplace_back(l,r); for ( int i=0; i<=m; i++ ) { int a=l+i*2+1; int b=a+1; ans.emplace_back(a,b); } int a=r+1; for ( int i=m+2; i<n; i++ ) { ans.emplace_back(a,a+1); a+=2; } for ( auto [i,j]:ans ) { cout << i << ' ' << j << '\n'; } } // {{{ main }} int main() { ios::sync_with_stdio(0); cin.tie(0); unolight::main(); return 0; } // }}}
#include<bits/stdc++.h> #include <ext/pb_ds/tree_policy.hpp> // #include<ext/pb_ds/tree_policy.hpp> #include <ext/pb_ds/assoc_container.hpp> //#include<ext/pb_ds/assoc_container.hpp> using namespace __gnu_pbds; //using namespace __gnu_pbds; #define pb push_back #define ins insert #define var auto #define F first #define S second #define mp make_pair using namespace std; typedef long long ll; typedef pair<ll,ll> pii; template <class T> using oset = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>; const int Max = 4e5 + 10; const int LOG = 30; const int Mod = 1e9 + 7; const int SQ = 3000; const int INF = 1e9 + 10; const int BMSK = 4e6; ll pw(ll a , int b = Mod - 2) { if(b == 0) return 1; ll half = pw(a , b / 2); if(b % 2) return half * half % Mod * a % Mod; return half * half % Mod; } void solve() { int n , m;cin >> n >> m; if(n == 1 && m == 0) { cout << 1 << " " << 2 << '\n'; return; } if(m < 0 || m >= n - 1) { cout << -1 << '\n'; return; } for(int i = 0 ; i < n - 1 ; i++) cout << 3 * i + 2 << " " << 3 * i + 1 + 2 << '\n'; cout << -1 + 2 << " " << 3 * m + 2 + 2 << '\n'; } int32_t main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); // int t;cin >> t; // while(t--) solve(); }
#include <bits/stdc++.h> using namespace std; typedef long long ll; const int sz = 105; int dp[sz][sz][sz], ara[sz], a[sz], bm; int fnc(int n, int k, int m) { if(!n) return 0; int &w = dp[n][k][m]; if(w < 0) { w = fnc(n - 1, k, m); if(k == 1) { if(a[n] == m) w = max(w, ara[n]); } else { int y = (m - a[n] + bm) % bm; int z = fnc(n - 1, k - 1, y); if(z) w = max(w, ara[n] + z); } } return w; } int main() { int n; ll x; cin >> n >> x; for(int i=1; i<=n; i++) scanf("%d", &ara[i]); ll ans = LLONG_MAX; for(int k=1; k<=n; k++) { for(int i=1; i<=n; i++) a[i] = ara[i] % k; memset(dp, -1, sizeof(dp)); bm = k; int now = fnc(n, k, x % k); if(now) ans = min(ans, (x - now) / k); } cout << ans; }
#include<bits/stdc++.h> #define forn(i,s,t) for(register int i=(s);i<=(t);++i) #define form(i,s,t) for(register int i=(s);i>=(t);--i) using namespace std; typedef long long LL; const int N = 1e2+3; const LL INF = 2e18; template<typename T>inline T Max(T A, T B) {return A>B?A:B;} template<typename T>inline T Min(T A, T B) {return A<B?A:B;} LL a[N], f[N][N], X, Ans; int n; int main() { scanf("%d%lld", &n, &X); forn(i,1,n) scanf("%lld", a+i); Ans = INF; forn(i,1,n) { forn(j,1,n) form(k,i-1,0) f[j][k] = -1; f[0][0] = 0; forn(j,1,n) form(k,i,0) forn(l,0,i-1) if(f[k][l] != -1) { LL tmp = f[k][l] + a[j]; f[k+1][tmp % i] = Max(f[k+1][tmp % i], tmp); } if(f[i][X % i] != -1) Ans = Min(Ans, (X - f[i][X % i]) / i); } printf("%lld\n", Ans); return 0; }
/* "An anomaly, I'm Muhammad Ali Cause I know one day I'm gonna be the" - Greatest, Eminem */ #pragma GCC optimize ("O3") #pragma GCC target ("sse4") #include<bits/stdc++.h> #include<ext/pb_ds/assoc_container.hpp> #include<ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; typedef long long int ll; #define ff first #define Shazam ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); #define ss second #define all(c) c.begin(),c.end() #define endl "\n" #define test() int t; cin>>t; while(t--) #define fl(i,a,b) for(int i = a ; i <b ;i++) #define get(a) fl(i,0,a.size()) cin>>a[i]; #define pra(a) fl(i,0,a.size()) cout<<a[i]<<" "; cout<<endl; #define pr(a,n) fl(i,0,n) cout<<a[i]<<" "; cout<<endl; typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set; const ll INF = 2e18; const int inf = 2e9; const int mod1 = 1e9 + 7; int main(){ Shazam; string s; cin >> s; while(s.size() && s.back() == '0') s.pop_back(); for(int i = 0; i < s.size() / 2 ; i++){ if(s[i] == s[s.size() - 1 - i]) continue; cout << "No" << endl; return 0; } cout << "Yes" << endl; return 0; }
#include <bits/stdc++.h> using namespace std; const int N = 1e5+10; char s[N],t[N],f[]=" atcoder"; int main() { int T; scanf("%d", &T); while (T--) { scanf("%s", s+1); int n = strlen(s+1); int ook = 0; for (int i=1; i<=min(n,7); ++i) { if (s[i]>f[i]) { ook = 1; break; } if (s[i]<f[i]) { ook = -1; break; } } if (ook==1||ook==0&&n>7) { puts("0"); continue; } for (int i=1; i<=n; ++i) t[i] = s[i]; sort(t+1,t+1+n,greater<char>()); int ok = 0; for (int i=1; i<=min(n,7); ++i) { if (t[i]>f[i]) { ok = 1; break; } if (t[i]<f[i]) { ok = -1; break; } } if (ok==-1||ok==0&&n<7) puts("-1"); else { int ans = 1e9; for (int i=1; i<=n; ++i) if (s[i]>'a') { ans = min(ans, abs(i-1)); } for (int i=1; i<=n; ++i) if (s[i]>'t') { ans = min(ans, abs(i-2)); } printf("%d\n", ans); } } }
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define rep(i, n) for(int i=0; i<n; i++) int main(){ int A,B,C; cin >> A >> B >> C; if(C%2==0){ if(abs(A)>abs(B)) cout << ">" << endl; else if(abs(A)<abs(B)) cout << "<" << endl; else cout << "=" << endl; }else{ if(A>B) cout << ">" << endl; else if(A<B) cout << "<" << endl; else cout << "=" << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; // clang-format off using LL = long long; #define COUT(x) cout << #x << " = " << (x) << " (L" << __LINE__ << ")" << endl #define REP(i,x) for(int i=0;i<(int)(x);i++) #define FOR(i,c) for(__typeof((c).begin())i=(c).begin();i!=(c).end();i++) #define RFOR(i,c) for(__typeof((c).rbegin())i=(c).rbegin();i!=(c).rend();i++) #define UNIQUE(v) v.erase( unique(v.begin(), v.end()), v.end() ); const int fx[]={+1,-1,+0,+0}; const int fy[]={+0,+0,+1,-1}; template<class T> ostream& operator<<(ostream &os, const vector<T> &t) { os<<"["; FOR(it,t) {if(it!=t.begin()) os<<","; os<<*it;} os<<"]"; return os; } template<class T> ostream& operator<<(ostream &os, const set<T> &t) { os<<"{"; FOR(it,t) {if(it!=t.begin()) os<<","; os<<*it;} os<<"}"; return os; } template<class S, class T> ostream& operator<<(ostream &os, const pair<S,T> &t) { return os<<"("<<t.first<<","<<t.second<<")";} // clang-format on void solve(long long A, long long B, long long C) { // solver code if (A >= 0 && B >= 0) { if (A < B) { std::cout << "<" << std::endl; } else if (A > B) { std::cout << ">" << std::endl; } else { std::cout << "=" << std::endl; } return; } // std::cout << 1 << std::endl; // if(A==0 || B==0){ // if(A==B){ // std::cout << "=" << std::endl; // }else if(A<B){ // std::cout << "<" << std::endl; // }else{ // std::cout << ">" << std::endl; // } // return; // } // // std::cout << 2 << std::endl; // if(A<0){ // if(B>0){ // if(C%2==0){ // if(abs(A)<abs(B)){ // std::cout << "<" << std::endl; // }else if(abs(A)>abs(B)){ // std::cout << ">" << std::endl; // }else{ // std::cout << "=" << std::endl; // // } // }else{ // std::cout << "<" << std::endl; // } // }else{ // if(A<B){ // std::cout << ">" << std::endl; // }else{ // std::cout << "<" << std::endl; // } // } // } if (A < 0) { // B>0 if (C % 2 == 0) { if (abs(A) < abs(B)) { std::cout << "<" << std::endl; } else if (abs(A) > abs(B)) { std::cout << ">" << std::endl; } else { std::cout << "=" << std::endl; } } else { std::cout << "<" << std::endl; } } else { // A>0 -> b<0 if (C % 2 == 0) { if (abs(A) < abs(B)) { std::cout << "<" << std::endl; } else if (abs(A) > abs(B)) { std::cout << ">" << std::endl; } else { std::cout << "=" << std::endl; } } else { std::cout << ">" << std::endl; } } } int main() { long long A; std::scanf("%lld", &A); long long B; std::scanf("%lld", &B); long long C; std::scanf("%lld", &C); solve(A, B, C); return 0; }
#include <iostream> using namespace std; int main(){ int N; cin >> N; int a[N], b[N]; for (int i = 0; i < N; i++) cin >> a[i]; for (int i = 0; i < N; i++) cin >> b[i]; long long ans; for (int i = 0; i < N; i++){ ans += a[i] * b[i]; } if (ans == 0)cout << "Yes"; else cout << "No"; }
#include<bits/stdc++.h> using namespace std; #define ll long long int #define ff first #define ss second int main(){ ll t,n,i; cin>>n; vector<ll>arr(n); set<ll>s; for(i=0;i<n;i++) { cin>>arr[i]; s.insert(arr[i]); } while(s.size()>=2) { ll x=*s.begin(); ll y=*s.rbegin(); s.insert(y-x); s.erase(y); } cout<<*s.begin(); return 0; }
#include<bits/stdc++.h> #define int long long #define pb push_back #define mp make_pair #define x first #define y second #define WT int T=read();while(T--) #define NO puts("NO"); #define YES puts("YES"); using namespace std; inline int read() { char c=getchar();int x=0;bool f=0; for(;!isdigit(c);c=getchar())f^=!(c^45); for(;isdigit(c);c=getchar())x=(x<<1)+(x<<3)+(c^48); if(f)x=-x;return x; } const int M=2e5+10; int sum[M],a[M],maxn[M],ans; signed main() { int n=read(); for (int i=1;i<=n;i++)a[i]=read(),maxn[i]=max(maxn[i-1],a[i]),sum[i]=sum[i-1]+a[i]; for (int i=1;i<=n;i++) { ans+=sum[i];ans-=maxn[i-1]*(i-1),ans+=i*maxn[i]; cout<<ans<<endl; } return 0; }
#include<cstdio> using namespace std; #define int long long int n,a[200010],sum[200010],sum2[200010],mx[200010]; signed main(){ scanf("%lld",&n); for(int i=1;i<=n;i++){ scanf("%lld",&a[i]); sum[i]=sum[i-1]+a[i]; sum2[i]=sum2[i-1]+sum[i]; mx[i]=(mx[i-1]>a[i]?mx[i-1]:a[i]); } for(int i=1;i<=n;i++){ printf("%lld\n",sum2[i]+mx[i]*i); } return 0; }
//...Bismillahir Rahmanir Rahim. . . #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; // typedefs... typedef double db; typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> pii; typedef vector<int> vi; typedef vector<ll> vl; typedef pair<ll, ll> pll; typedef trie<string,null_type,trie_string_access_traits<>,pat_trie_tag,trie_prefix_search_node_update>pref_trie; typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> oset; // constants... const double PI = acos(-1); const ll mod = 1000000007; // 998244353; const int MXS = 2e5+5; const ll MXI = 1e9+5; const ll MXL = 1e18+5; const ll INF = 1e9+5; const ll INFLL = 1e18+5; const ll EPS = 1e-9; // defines... #define MP make_pair #define PB push_back #define fi first #define se second #define sz(x) (int)x.size() #define all(x) begin(x), end(x) #define si(a) scanf("%d", &a) #define sii(a, b) scanf("%d%d", &a, &b) #define ordered_set tree<ll,null_type,less_equal<ll>,rb_tree_tag,tree_order_statistics_node_update> #define boost_ ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0); #define iter_(i,n) for (int i = 0; i < int(n); i++) #define for_n(i, n) for (int i = 1; i <= int(n); i++) #define print_array(a) for(int i=0;i<n;i++) cout<<a[i]<<" "; #define rev(i,n) for(int i=n;i>=0;i--) #define itr ::iterator #define s_sort(s) sort(s.begin(),s.end()) #define n_sort(a, n) sort(a,a+n) #define precise_impact cout<<setprecision(10)<<fixed; #define endl "\n" // functions... ll gcd(ll a, ll b){ while (b){ a %= b; swap(a, b);} return a;} ll lcm(ll a, ll b){ return (a/gcd(a, b)*b);} ll ncr(ll a, ll b){ ll x = max(a-b, b), ans=1; for(ll K=a, L=1; K>=x+1; K--, L++){ ans = ans * K; ans /= L;} return ans;} ll bigmod(ll a,ll b){ if(b==0){ return 1;} ll tm=bigmod(a,b/2); tm=(tm*tm)%mod; if(b%2==1) tm=(tm*a)%mod; return tm;} ll egcd(ll a,ll b,ll &x,ll &y){ if(a==0){ x=0; y=1; return b;} ll x1,y1; ll d=egcd(b%a,a,x1,y1); x=y1-(b/a)*x1; y=x1; return d;} int main() { ll t; cin>>t; vector<pair<ll,string> > v; while(t--) { string s; ll n; cin>>s>>n; v.PB({n,s}); } sort(all(v)); cout<<v[v.size()-2].se<<endl; }
/* このコード、と~おれ! Be accepted! ∧_∧  (。・ω・。)つ━☆・*。 ⊂   ノ    ・゜+.  しーJ   °。+ *´¨)          .· ´¸.·*´¨) ¸.·*¨)           (¸.·´ (¸.·'* ☆ */ #include <cstdio> #include <algorithm> #include <string> #include <cmath> #include <cstring> #include <vector> #include <numeric> #include <iostream> #include <random> #include <map> #include <unordered_map> #include <queue> #include <regex> #include <functional> #include <complex> #include <list> #include <cassert> #include <iomanip> #include <set> #include <stack> #include <bitset> #include <array> #include <chrono> //#pragma GCC target("arch=skylake-avx512") #pragma GCC target("avx2") //#pragma GCC optimize("O3") #pragma GCC optimize("Ofast") #pragma GCC target("sse4") #pragma GCC optimize("unroll-loops") //#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #define repeat(i, n, m) for(int i = n; i < (m); ++i) #define rep(i, n) for(int i = 0; i < (n); ++i) #define printynl(a) printf(a ? "yes\n" : "no\n") #define printyn(a) printf(a ? "Yes\n" : "No\n") #define printYN(a) printf(a ? "YES\n" : "NO\n") #define printim(a) printf(a ? "possible\n" : "imposible\n") #define printdb(a) printf("%.50lf\n", a) #define printLdb(a) printf("%.50Lf\n", a) #define printdbd(a) printf("%.16lf\n", a) #define prints(s) printf("%s\n", s.c_str()) #define all(x) (x).begin(), (x).end() #define deg_to_rad(deg) (((deg)/360.0L)*2.0L*PI) #define rad_to_deg(rad) (((rad)/2.0L/PI)*360.0L) #define Please return #define AC 0 #define manhattan_dist(a, b, c, d) (abs(a - c) + abs(b - d)) using ll = long long; using ull = unsigned long long; constexpr int INF = 1073741823; constexpr int MINF = -1073741823; constexpr ll LINF = ll(4661686018427387903); constexpr ll MOD = 1e9 + 7; constexpr ll mod = 998244353; constexpr long double eps = 1e-6; const long double PI = acosl(-1.0L); using namespace std; void scans(string& str) { char c; str = ""; scanf("%c", &c); if (c == '\n')scanf("%c", &c); while (c != '\n' && c != -1 && c != ' ') { str += c; scanf("%c", &c); } } void scanc(char& str) { char c; scanf("%c", &c); if (c == -1)return; while (c == '\n') { scanf("%c", &c); } str = c; } double acot(double x) { return PI / 2 - atan(x); } ll LSB(ll n) { return (n & (-n)); } template<typename T> inline T chmin(T& a, const T& b) { if (a > b)a = b; return a; } template<typename T> inline T chmax(T& a, const T& b) { if (a < b)a = b; return a; } //cpp_int #if __has_include(<boost/multiprecision/cpp_int.hpp>) #include <boost/multiprecision/cpp_int.hpp> #include <boost/multiprecision/cpp_dec_float.hpp> using namespace boost::multiprecision; #else using cpp_int = ll; #endif //atcoder library #if __has_include(<atcoder/all>) #include <atcoder/all> //using namespace atcoder; #endif /* random_device seed_gen; mt19937 engine(seed_gen()); uniform_int_distribution dist(1, 100); */ /*----------------------------------------------------------------------------------*/ int main() { int n; scanf("%d", &n); vector<ll> a(n); rep(i, n)scanf("%lld", &a[i]); map<ll, ll> mp; ll ans = 0; ++mp[0]; ll r = 0; rep(i, n) { r += a[i] * (i % 2 ? -1 : 1); ans += (mp[r]++); } printf("%lld\n", ans); Please AC; }
/** * author: shishunze * date: 2021/2/18 **/ #include<bits/stdc++.h> using namespace std; typedef long long ll; #define pb push_back const int N = 100005; vector<int> e[N]; int n,x,dp[N],sz[N]; void dfs1(int u) { sz[u]=1; for(int i=0;i<e[u].size();i++) { int v = e[u][i]; dfs1(v); sz[u]+=sz[v]; } } void dfs2(int u) { vector<int> vt; int sum=0; dp[u]=1; for(int i=0;i<e[u].size();i++) { int v = e[u][i]; dfs2(v); if(sz[v]%2==0 && dp[v]<0) dp[u]+=dp[v]; if(sz[v]%2==1) vt.pb(dp[v]); if(sz[v]%2==0 && dp[v]>=0) sum+=dp[v]; } sort(vt.begin(),vt.end()); vt.pb(sum); for(int i=0;i<vt.size();i++) { if(i%2==0) dp[u]+=vt[i]; else dp[u]-=vt[i]; } } int main() { ios::sync_with_stdio(false); cin>>n; for(int i=2;i<=n;i++) { cin>>x; e[x].pb(i); } dfs1(1); dfs2(1); cout<<(n+dp[1])/2; }
#include <cstdio> #include <vector> #include <algorithm> using namespace std; vector<int> v[100000]; pair<int, pair<int, int>> dfs(int x) { int p1 = 0, p2 = 0, sa = 0, sb = 0, f = 0, i; vector<pair<int, pair<int, int>>> w; p1++; f = 1 - f; for (i = 0; i < v[x].size(); i++) { pair<int, pair<int, int>> p = dfs(v[x][i]); int x = p.second.first; int y = p.second.second; if (p.first == 0) { if (x <= y) { p1 += x; p2 += y; } else { sa += x; sb += y; } } else { w.push_back(make_pair(x - y, make_pair(x, y))); } } sort(w.begin(), w.end()); for (i = 0; i < w.size(); i++) { int x = w[i].second.first; int y = w[i].second.second; if (f == 1) { p1 += x; p2 += y; } else { p1 += y; p2 += x; } f = 1 - f; } if (f == 1) { p1 += sa; p2 += sb; } else { p1 += sb; p2 += sa; } return make_pair(f, make_pair(p1, p2)); } int main() { int n, i; scanf("%d", &n); for (i = 1; i < n; i++) { int p; scanf("%d", &p); v[p - 1].push_back(i); } printf("%d\n", dfs(0).second.first); return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long int #define scan(any) for(auto &i:any) cin>>i; #define print(any) for(auto i:any) cout<<i<<" "; #define endl '\n' #define pb push_back #define vll vector<ll> #define f(i,x,y) for(i=x;i<y;i++) #define INF LLONG_MAX #define s(x) sort(x.begin(),x.end()) #define all(v) v.begin(),v.end() #define p2(n,x) cout << fixed << setprecision(x) <<n<<endl; #define pll pair<ll,ll> #define mll map<ll,ll> #define ff first #define ss second #define blt(x) __builtin_popcount(x) void solve() { long double n; cin>>n; long double ans=n; long double i; f(i,2,n) { ans+=(n/i); } p2(ans,10); } int main() { ios::sync_with_stdio(0); cin.tie(0); ll t = 1; while(t--) { solve(); } return 0; }
#include <bits/stdc++.h> #define f first #define s second #define fore(i,a,b) for(int i = (a), ThxMK = (b); i < ThxMK; ++i) #define pb push_back #define all(s) begin(s), end(s) #define _ ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0); #define sz(s) int(s.size()) #define ENDL '\n' #define vv(type, name, h, ...) vector<vector<type>> name(h, vector<type>(__VA_ARGS__)) #define vvv(type, name, h, w, ...) vector<vector<vector<type>>> name(h, vector<vector<type>>(w, vector<type>(__VA_ARGS__))) using namespace std; template<class t> using vc=vector<t>; template<class t> using vvc=vc<vc<t>>; using lli = long long; using vi = vc<int>; using ii = pair<int,int>; lli gcd(lli a, lli b){return (b?gcd(b,a%b):a);} lli lcm(lli a, lli b){ if(!a || !b) return 0; return a * b / gcd(a, b); } int popcount(lli x) { return __builtin_popcountll(x); } lli poww(lli a, lli b){ lli res = 1; while(b){ if(b&1) res = res*a; a=a*a; b>>=1;} return res; } // mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); // int rnd(int n){return uniform_int_distribution<int>(0, n-1)(rng);} template<class t,class u>bool mmax(t&a,u b){if(a<b)a=b;return a<b;} template<class t,class u>bool mmin(t&a,u b){if(b<a)a=b;return b<a;} template <typename T> static constexpr T inf = numeric_limits<T>::max() / 2; // ---- しゃけ ツナマヨ ('-')7 void solve(){ int n; cin>>n; int best = inf<int>,same=inf<int>; vi x(n),y(n); fore(i,0,n){ int a,b; cin>>a>>b; mmin(same,a+b); x[i]=a; y[i]=b; } best = same; fore(i,0,n)fore(j,0,n)if(i!=j)mmin(best,max(x[i],y[j])); fore(i,0,n)fore(j,0,n)if(i!=j)mmin(best,max(y[i],x[j])); cout<<best<<ENDL; } int main(){_ // int t; cin>>t; while(t--) solve(); }
#include <iostream> #include <set> using namespace std; const int max_n = 1000; multiset<int> mst; int main() { ios_base::sync_with_stdio(false); cin.tie(0); int n, m, ta; cin >> n >> m; for (int i = 0; i < n; i++) { cin >> ta; mst.insert(ta); } for (int i = 0; i < m; i++) { cin >> ta; mst.insert(ta); } for (int i = 0; i <= max_n; i++) { if (mst.count(i) == 1) cout << i << " "; } cout << endl; return 0; }
#include<bits/stdc++.h> using namespace std; #define vec vector<int> #define vecp vector<pair<int,int>> #define ll long long #define ull unsigned long long #define pb push_back #define fr first #define sc second #define fr1(i,a,b) for(int i=a;i<b;i++) #define fr2(i,a,b) for(int i=a;i>=b;i--) #define fr3(i,a,b) for(int i=a;i<=b;i++) #define umap unordered_map<int,int,custom_hash> #define omap map<int,int> #define uset unordered_set<int,custom_hash> #define oset set<int> #define pr pair<int,int> #define mod 1000000007 #define mp make_pair #define all(v) v.begin(),v.end() #define ppb pop_back struct custom_hash { static uint64_t splitmix64(uint64_t x) { // http://xorshift.di.unimi.it/splitmix64.c x += 0x9e3779b97f4a7c15; x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9; x = (x ^ (x >> 27)) * 0x94d049bb133111eb; return x ^ (x >> 31); } size_t operator()(uint64_t x) const { static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count(); return splitmix64(x + FIXED_RANDOM); } }; void solve() { int n,m; cin>>n>>m; map<int,int> map1; fr1(i,0,n) { int x; cin>>x; map1[x]++; } fr1(i,0,m) { int x; cin>>x; map1[x]++; } for(auto i:map1)if(i.sc==1)cout<<i.fr<<" "; cout<<"\n"; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int t=1; //cin>>t; fr3(i,1,t){ //cout<<"Case: "<<t<<; solve(); } return 0; }
#include <algorithm> #include <bitset> #include <complex> #include <deque> #include <exception> #include <fstream> #include <functional> #include <iomanip> #include <ios> #include <iosfwd> #include <iostream> #include <istream> #include <iterator> #include <limits> #include <list> #include <locale> #include <map> #include <memory> #include <new> #include <numeric> #include <ostream> #include <queue> #include <set> #include <sstream> #include <stack> #include <stdexcept> #include <streambuf> #include <string> #include <typeinfo> #include <utility> #include <valarray> #include <vector> #include <climits> #include <cstring> #include <cassert> using namespace std; //using namespace atcoder; #define REP(i, n) for (int i=0; i<(n); ++i) #define RREP(i, n) for (int i=(int)(n)-1; i>=0; --i) #define FOR(i, a, n) for (int i=(a); i<(n); ++i) #define RFOR(i, a, n) for (int i=(int)(n)-1; i>=(a); --i) #define SZ(x) ((int)(x).size()) #define ALL(x) (x).begin(),(x).end() #define DUMP(x) cerr<<#x<<" = "<<(x)<<endl #define DEBUG(x) cerr<<#x<<" = "<<(x)<<" (L"<<__LINE__<<")"<<endl; template<class T> ostream &operator<<(ostream &os, const vector<T> &v) { os << "["; REP(i, SZ(v)) { if (i) os << ", "; os << v[i]; } return os << "]"; } template<class T, class U> ostream &operator<<(ostream &os, const pair<T, U> &p) { return os << "(" << p.first << " " << p.second << ")"; } template<class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; } template<class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return true; } return false; } using ll = long long; using ull = unsigned long long; using ld = long double; using P = pair<int, int>; using vi = vector<int>; using vll = vector<ll>; using vvi = vector<vi>; using vvll = vector<vll>; const ll MOD = 1e9 + 7; const int INF = INT_MAX / 2; const ll LINF = LLONG_MAX / 2; const ld eps = 1e-9; // edit int N; vector<ll> A; double f(double x) { double ret = 0; for (auto e : A) { ret += max<double>(0, e - 2 * x); } return ret; } void solve() { cin >> N; A.resize(N); REP(i, N) cin >> A[i]; sort(ALL(A)); double x1 = A[N / 2] / 2.; // double lb = 0, ub = 2e9; //// double lb = 0, ub = 3; // REP(_, 100) { //// double md = (lb + ub) / 2; //// double tmp = f(md); //// if (N * md < tmp) { //// lb = md; //// } else { //// ub = md; //// } // double c1 = (lb * 2 + ub) / 3; // double c2 = (lb + ub * 2) / 3; // double f1 = f(c1); // double f2 = f(c2); // if (f1 < f2) { // ub = c2; // } else { // lb = c1; // } // } // double ans = lb + f(lb) / N; // cout << 1.5 + f(1.5) / N << endl; double ans = f(x1) / N + x1; cout << ans << endl; } int main() { cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(10); // std::ifstream in("input.txt"); // std::cin.rdbuf(in.rdbuf()); solve(); return 0; }
#include <algorithm> #include <cstdio> #include <functional> #include <iostream> #include <cfloat> #include <climits> #include <cstdlib> #include <cstring> #include <cmath> #include <map> #include <unordered_map> #include <unordered_set> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <time.h> #include <complex> #include <vector> #include <limits> #include <iomanip> #include <cassert> #include <numeric> #include <chrono> #include <random> using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; #define debug(x) cerr << #x << " = " << (x) << endl; #define debug_pii(x) cerr << "(" << x.first << "," << x.second << ")"; #define rep(i, n) for(int i = 0;i < n;i++) #define pb push_back #define F first #define S second // template<typename _Ty1, typename _Ty2> // ostream& operator<<(ostream& _os, const pair<_Ty1, _Ty2>& _p) { // _os << '(' <<_p.first << ',' << _p.second << ')'; // return _os; // } // // template<typename _Ty1, typename _Ty2> // istream& operator>>(istream& _is, pair<_Ty1, _Ty2>& _p) { // _is >> _p.first >> _p.second; // return _is; // } // #1 >= #0 // #1 >= #0 // // #0 > #1 // #0 > #1 // dp[i]['ab'] void solve() { string s; cin>>s; int cnt = 0; for(int i = 0;i <= 8;i++) { if(s.substr(i, 4) == "ZONe") cnt++; } cout<<cnt; } // a1 a2 a3 a4 a4 a6 a7 // b1 b2 b3 b4 b5 b6 b7 // // dp[i][j] = cost + dp[i+1][j-1] int main() { // freopen("input.in","r",stdin); // freopen("output.out","w",stdout); // cout << fixed << setprecision(15); ios_base::sync_with_stdio(false); cin.tie(nullptr); int t = 1; // cin >> t; while (t--) { solve(); } return 0; }
//region TEMPLATE #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> pi; typedef pair<ll, ll> pl; typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<ll> vl; typedef vector<vl> vvl; typedef vector<string> vs; #define fastio ios_base::sync_with_stdio(0);cin.tie(NULL); #define endl "\n" #define pb push_back #define all(X) begin((X)), end((X)) #define sz(X) (int)(X).size() #define fi first #define se second #define fv(X) for(auto&_:(X))cin>>_ #define fv2(X) for(auto&__:(X))fv(__) #define lboundi(X, n) (lower_bound(all(X), n) - begin(X)) #define uboundi(X, n) (upper_bound(all(X), n) - begin(X)) #define maxi(X) max_element(all(X)) - begin(X) #define maxe(X) *max_element(all(X)) #define mini(X) min_element(all(X)) - begin(X) #define mine(X) *min_element(all(X)) #define acc(X) accumulate(all(X), 0LL) #ifdef LOCAL template<size_t S> string to_string(const bitset<S> &x) { return x.to_string(); } string to_string(const string &x) { return '"' + x + '"'; } string to_string(char x) { return string{'\'', x, '\''}; } string to_string(bool x) { return x ? "true" : "false"; } template<typename Head, typename Tail> string to_string(const pair<Head, Tail> &x) { return "(" + to_string(x.first) + ", " + to_string(x.second) + ")"; } template<class T> string to_string(T x) { string ret = "["; for (const auto &i: x) ret += to_string(i) + ", "; if (sz(ret) > 1) ret = ret.substr(0, sz(ret) - 2); return ret += "]"; } string to_string(const char *x) { return string(x); } string to_string() { return ""; } template<typename Head, typename... Tail> string to_string(Head H, Tail... T) { return to_string(H) + ", " + to_string(T...); } #define debug(...) sizeof( (char[]){#__VA_ARGS__} ) == 1 ? cerr << endl \ : cerr << "[" << #__VA_ARGS__ << "]: " << to_string(__VA_ARGS__) << endl #define nr() cerr << endl #else #define debug(...) 1 #endif // endregion class FenwickTreeSum { private: int sum(int i) { if (i <= 0) return 0; int ret = 0; while (i) { ret += tree[i]; i -= i & -i; } return ret; } public: int n; vi tree; FenwickTreeSum(int n) : n(n) { tree.resize(n + 1); } void update(int i, int diff) { i++; while (i <= n) { tree[i] += diff; i += i & -i; } } int query(int l, int r) { return sum(r + 1) - sum(l); } }; void solve() { int n; cin >> n; vi a(n), b(n); fv(a); fv(b); if (acc(a) != acc(b)) { cout << -1; return; } if (a == b) { cout << 0; return; } // 8 map<int, vi> pos_a, pos_b; for (int i = 0; i < n; i++) { a[i] += i; b[i] += i; pos_a[a[i]].pb(i); pos_b[b[i]].pb(i); } vi inversion_count(n); for (const auto &p: pos_a) { const vi &bv = pos_b[p.fi]; if (sz(p.se) != sz(bv)) { cout << -1; return; } for (int i = 0; i < sz(p.se); i++) { inversion_count[bv[i]] = p.se[i]; } } debug(inversion_count); FenwickTreeSum fenwick(n); ll ret = 0; for (int i = 0; i < n; i++) { ret += fenwick.query(inversion_count[i], n - 1); debug(fenwick.query(0, n - 1)); fenwick.update(inversion_count[i], 1); } cout << ret; } int main() { fastio solve(); return 0; }
// #pragma comment(linker, "/stack:200000000") // #pragma GCC optimize("Ofast") // #pragma GCC target("avx,avx2,fma") // #pragma GCC optimization("unroll-loops") #include "bits/stdc++.h" #define pb push_back #define mp make_pair #define mt make_tuple #define endl '\n' #define F first #define S second #define IO ios::sync_with_stdio(0);cin.tie(0);cout.tie(0) #define cf ll testcases;cin>>testcases;while(testcases--) #define prn(x) if(x) cout<<"YES"<<endl; else cout<<"NO"<<endl; #define all(x) x.begin(),x.end() #define rall(x) x.rbegin(),x.rend() #define minel(x) (*min_element(all(x))) #define maxel(x) (*max_element(all(x))) #define cou dbg=1;cout using namespace std; typedef long long ll; typedef long double ld; typedef pair<ll,ll> pi; typedef vector<ll> vi; typedef vector<ld> vd; typedef vector<pi> vp; ll dbg=0; template<typename A, typename B> ostream& operator<<(ostream &cout, pair<A, B> const &p); template<typename A> ostream& operator<<(ostream &cout, vector<A> const &v); template<typename A, typename B> istream& operator>>(istream& cin, pair<A, B> &p); template<typename A> istream& operator>>(istream& cin, vector<A> &v); int dx[] = {-1, -1, -1, 0, 0, 1, 1, 1}; int dy[] = {-1, 0, 1, -1, 1, -1, 0, 1}; void solve(){ ll n; cin>>n; vi arr(n); cin>>arr; ll man=0; for(auto i:arr) man+=abs(i); cout<<man<<endl; ll euc=0; for(auto i:arr) euc+=i*i; cout.precision(15); cout<<fixed<<sqrt(euc)<<endl; ll cheb=LLONG_MIN; for(auto i:arr) cheb=max(cheb,abs(i)); cout<<cheb<<endl; } int main(){ IO; // cf solve(); return 0; } template<typename A, typename B> ostream& operator<<(ostream &cout, pair<A, B> const &p) { if(dbg){ return cout << "(" << p.F << ", " << p.S << ")"; }else{ return cout<<p.F<<' '<<p.S; } dbg=0;} template<typename A> ostream& operator<<(ostream &cout, vector<A> const &v) { if(dbg){ cout << "["; for(ll i = 0; i < v.size(); i++) {if (i) cout << ", "; cout << v[i];} return cout << "]"; }else{ for(ll i=0;i<v.size()-1;i++) cout<<v[i]<<' '; return cout<<v[v.size()-1]; dbg=0;} } template<typename A, typename B> istream& operator>>(istream& cin, pair<A, B> &p) { cin >> p.first; return cin >> p.second; } template<typename A> istream& operator>>(istream& cin, vector<A> &v) { for(ll i=0;i<v.size()-1;i++) cin>>v[i]; return cin >> v[v.size()-1]; }
#include <bits/stdc++.h> // #include <atcoder/all> using namespace std; using ll = long long; using vi = vector<int>; using vii = vector<vector<int>>; using vl = vector<long long>; using vll = vector<vector<long long>>; #define _GLIBCXX_DEBUG #define rep(i, s, n) for (int i = (int)s; i < (int)n; i++) #define repr(i, n, s) for (int i = (int)n; (int)s < i; i--) #define len(a) (int)a.size() #define all(a) a.begin(), a.end() const int INF32 = 1 << 30; const long long INF64 = 1LL << 60; const double PI = acos(-1); /* 1次元ベクトルをスペースでつなぎ、改行をつけて出力 vi, vl, list<int>, list<ll>に対応 */ template<class T> string print_elements(T a) { string str = ""; for (auto itr = a.begin(); itr != a.end(); ++itr) { str += to_string(*itr) + ' '; } str.pop_back(); // 最後の空白を削除 str += '\n'; return str; } int main() { int N, W; cin >> N >> W; cout << N / W << endl; }
#include<iostream> using namespace std; int main() { int n,w; cin>>n>>w; int i=1; int t=1; while(t<=n){ t=w*i; i++; } cout<<i-2; }
#include<bits/stdc++.h> #define L(i, j, k) for(int i = j, i##E = k; i <= i##E; i++) #define R(i, j, k) for(int i = j, i##E = k; i >= i##E; i--) #define ll long long #define ull unsigned long long #define db double #define pii pair<int, int> #define mkp make_pair #define sz(x) ((int) x.size()) #define be(x) x.begin() #define en(x) x.end() using namespace std; const int N = 1e5 + 7; int n, m; void exgcd(ll a, ll b, ll &x, ll &y) { if(b == 0) return x = 1, y = 0, void(); exgcd(b, a % b, y, x), y -= x * (a / b); } ll mul(ll aa, ll bb, ll mod) { ll sav = aa * bb - (ll)( (long db) aa * bb / mod + 0.2 ) * mod; return sav < 0 ? sav + mod : sav; } ll crt(ll *a, ll *b, int len) { // x mod a_i = b_i ll now = 1, ys = 0; L(i, 1, len) { ll g = __gcd(now, a[i]), c1, c2, md = a[i] / g; if((b[i] - ys) % g) return 2e18; exgcd(now, a[i], c1, c2), ((c1 %= md) += md) %= md, c1 = mul(c1, ((b[i] - ys) / g % md + md) % md, md); ((c1 %= md) += md) %= md, ys += c1 * now; now /= g, now *= a[i], ((ys %= now) += now) %= now; } return ys; } ll a[N], b[N]; int T, x, y, p, q; ll ans = 0; void Main() { ans = 2e18; cin >> x >> y >> p >> q; L(i, x, x + y - 1) L(j, p, p + q - 1) { a[1] = 2 * (x + y), b[1] = i; a[2] = p + q, b[2] = j; ans = min(ans, crt(a, b, 2)); } if(ans == 2e18) cout << "infinity\n"; else cout << ans << "\n"; } int main() { ios::sync_with_stdio(false); cin.tie(0), cout.tie(0); cin >> T; while(T--) Main(); return 0; }
#include<bits/stdc++.h> using namespace std; #define ri register int typedef long long ll; int p,q,t,x,y; ll a[3],ans,g,m[3]; template<class T> inline T slow_add(T a,T b,T mod){ while(a>mod-b)a-=mod; return a+b; } template<class T> inline T slow_mul(T a,T b,T mod){ T ret=0; for(;b;a=(a+a)%mod,b>>=1)if(b&1)ret=(ret+a)%mod; return ret; } template<class T> T gcd(T a,T b){return b?gcd(b,a%b):a;} template<class T> void exgcd(T a,T b,T &x,T &y){ a%=b; if(!a){ x=b;y=0; return; } ll s=b,t=a,m0=0,m1=1; while(t){ ll u=s/t; s-=t*u; m0-=m1*u; ll tmp=s; s=t; t=tmp; tmp=m0; m0=m1; m1=tmp; } if(m0<0)m0+=b/s; x=s,y=m0; } inline ll cn(int n){ ll mul=1,ret=0; for(ri i=1;i<=n;++i){ ll a1=a[i]%m[i],m1=m[i]; if(mul<m1)swap(mul,m1),swap(ret,a1); if(mul%m1==0){ if(ret%m1!=a1)return LLONG_MAX; continue; } ll t1=0,t2=0; exgcd(mul,m1,t1,t2); ll u1=m1/t1; ll tmp=(a1-ret)/t1%u1*t2%u1; ret+=tmp*mul; mul*=u1; if(ret<0)ret+=mul; } return ret; } int main(){ scanf("%d",&t); while(t--){ scanf("%d%d%d%d",&x,&y,&p,&q); #define a1 a[1] #define a2 a[2] #define m1 m[1] #define m2 m[2] m1=(x+y)<<1,m2=p+q; g=gcd(m1,m2); ans=LLONG_MAX; for(a1=x;a1<x+y;++a1) for(a2=p;a2<p+q;++a2) if((a2-a1)%g==0) ans=min(ans,cn(2)); if(ans==LLONG_MAX)puts("infinity"); else printf("%lld\n",ans); } return 0; }
#pragma GCC optimize("Ofast") #include <bits/stdc++.h> #define rep(i,n) for(int i=0;i<n;i++) #define cinf(n,x) for(int i=0;i<(n);i++)cin>>x[i]; #define ft first #define sc second #define pb push_back #define lb lower_bound #define ub upper_bound #define all(v) (v).begin(),(v).end() #define LB(a,x) lb(all(a),x)-a.begin() #define UB(a,x) ub(all(a),x)-a.begin() #define mod 1000000007 //#define mod 998244353 #define FS fixed<<setprecision(15) using namespace std; typedef long long ll; const double pi=3.141592653589793; template<class T> using V=vector<T>; using Graph = vector<vector<int>>; using P=pair<ll,ll>; typedef unsigned long long ull; typedef long double ldouble; template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } template<class T> inline void out(T a){ cout << a << '\n'; } void YN(bool ok){if(ok) cout << "Yes" << endl; else cout << "No" << endl;} //void YN(bool ok){if(ok) cout << "YES" << endl; else cout << "NO" << endl;} const ll INF=1e18; const int mx=200005; //arc106 int main(){ cin.tie(0);ios::sync_with_stdio(false); ll n,m; cin>>n>>m; V<P> ans; bool ok=1; if(m==0){ rep(i,n) ans.emplace_back(2*(i+1)-1,2*(i+1)); }else if(m>0){ int r=1; for(int i=1;i<=n;i++){ if(i-2==m){ ans.emplace_back(1,r+1); r++; }else{ ans.emplace_back(r+1,r+2); r+=2; } } }else{ int l=1000000000; int tmp=10000000; int cnt=1; for(int i=1;i<=n;i++){ if(i==1){ ans.emplace_back(1,tmp); cnt++; }else if(i-2<=-m){ ans.emplace_back(cnt,tmp+cnt); //cnt++; if(i-1==-m){ cnt=tmp+cnt; }else cnt++; }else{ ans.emplace_back(cnt+1,cnt+2); cnt+=2; } } } if(m>=n-1||m<0) ok=0; if(n==1&&m==0){ cout<<1<<' '<<2<<endl; return 0; } if(ok){ for(auto p:ans) cout<<p.ft<<' '<<p.sc<<'\n'; }else out(-1); } //ペナルティ出しても焦らない ACできると信じろ!!! //どうしてもわからないときはサンプルで実験 何か見えてくるかも //頭で考えてダメなら紙におこせ!! /* V,P(大文字)使用不可 乗算などの際にオーバーフローに注意せよ! (適切にmodをとれ にぶたんで途中で切り上げろ) 制約をよく読め! { ・全探索できるなら全探索しろ ・異常な制約ならそこに注目 } stringの計算量(扱い)注意 コーナー注意!(特に数値が小さいものについては要検証) N行出力のときは'¥n' グリッド上では行先が範囲内におさまるかif文で確認(RE注意) if文ではちゃんと比較演算子==を使え('='でもエラー出ない) 配列(vector)の大きさが0か1以上かで場合分けせよ(RE注意) (vector<int> a(m)でm==0というものはできない) modはなるべく最後に取れ! doubleを扱うときには(abs)ではなく'fabs'!!! dpするときは「配る」、「もらう」の両方を考えて最適な方を選べ Segtreeで区間最大(max)を使うとき,単位元の設定をしっかり (デフォルトは-INF,0の方が都合の良い場合は変更) */
#include <bits/stdc++.h> using namespace std; #ifdef __DEBUG__ void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) {cerr << " " << H; debug_out(T...);} #define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__) #else #define debug(...) #endif using ll = long long int; using ull = unsigned long long int; using ld = long double; using pii = pair<int, int>; using pll = pair<ll, ll>; inline void fast_io() { ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); }; template<typename T, typename S> inline ostream& operator<<(ostream& os, const pair<T, S> p) { cout << "[" << p.first << ";" << p.second << "]"; return os; } template<typename T, typename S> inline ostream& operator<<(ostream& os, const map<T, S> p) { for (auto el : p) cout << "[" << el.first << ";" << el.second << "]"; return os; } template<typename T> inline ostream& operator<<(ostream& os, const vector<T>& v) { for (auto el : v) cout << el << " "; return os; } ll N,M; inline void input(){ fast_io(); cin >> N >> M; } int cntR(vector<pll> a){ auto cmp = [](pll x, pll y){return x.second < y.second;}; sort(a.begin(),a.end(),cmp); debug(a); int ret = 0; ll last = 0; for (int i = 0; i < a.size(); i++) { if(last < a[i].first){ ret++; last = a[i].second; } } return ret; } int cntL(vector<pll> a){ auto cmp = [](pll x, pll y){return x.first < y.first;}; sort(a.begin(),a.end(),cmp); debug(a); int ret = 0; ll last = 0; for (int i = 0; i < a.size(); i++) { if(last < a[i].first){ ret++; last = a[i].second; } } return ret; } int solve(ll N, ll M){ if(M<0){ cout << -1 << endl; return 0; } else if(N==1 && M==0){ vector<pll> Ans; Ans.emplace_back(1,2); for(auto [x,y]:Ans) cout << x << " " << y << "\n"; return 0; } else if(M>=N-1){ cout << -1 << endl; return 0; } vector<pll> Ans; ll rest = N-M; for (int i = 1; i <= min(M+1,N); i++) { Ans.emplace_back(2*i+rest+10,2*i+rest+11); } for (int i = 0; i < rest-1; i++) { Ans.emplace_back(i+1,(ll)1e6+i+1); } debug(cntR(Ans)); debug(cntL(Ans)); debug(Ans.size()); for(auto [x,y]:Ans) cout << x << " " << y << "\n"; return 0; } int test(){ int n = 1; for (int m = -n; m <= n; m++) { debug(n,m); solve(n,m); } return 0; } int main() { // test(); input(); solve(N,M); return 0; }
// {{{ by unolight #include <bits/stdc++.h> #include <unistd.h> #pragma GCC diagnostic ignored "-Wunused-result" #pragma GCC diagnostic ignored "-Wunused-function" #define SZ(x) ((int)(x).size()) #define ALL(x) begin(x),end(x) #define RALL(x) rbegin(x),rend(x) #define REP(i,n) for ( int i=0; i<int(n); i++ ) #define REP1(i,a,b) for ( int i=(a); i<=int(b); i++ ) #define MP make_pair #define PB push_back using namespace std; typedef int64_t LL; typedef pair<int,int> PII; typedef vector<int> VI; namespace { namespace unolight { // Read Input template<class T> void _R( T &x ) { cin>>x; } void _R( int &x ) { scanf("%d",&x); } void _R( int64_t &x ) { scanf("%" PRId64,&x); } void _R( double &x ) { scanf("%lf",&x); } void _R( char &x ) { scanf(" %c",&x); } void _R( char *x ) { scanf("%s",x); } void R() {} template<class T, class... U> void R( T& head, U&... tail ) { _R(head); R(tail...); } // Write Output template<class T> void _W( const T &x ) { cout<<x; } void _W( const int &x ) { printf("%d",x); } void _W( const int64_t &x ) { printf("%" PRId64,x); } void _W( const double &x ) { printf("%.16f",x); } void _W( const char &x ) { putchar(x); } void _W( const char *x ) { printf("%s",x); } template<class T> void _W( const vector<T> &x ) { for (auto i = x.begin(); i != x.end(); _W(*i++)) if (i != x.cbegin()) putchar(' '); } void W() {} template<class T, class... U> void W( const T& head, const U&... tail ) { _W(head); putchar(sizeof...(tail)?' ':'\n'); W(tail...); } #ifdef UNOLIGHT #include "dump.hpp" #else #define dump(...) #endif template<class T> inline bool chmax( T &a, const T &b ) { return b>a ? a=b,true : false; } template<class T> inline bool chmin( T &a, const T &b ) { return b<a ? a=b,true : false; } template<class T> using MaxHeap = priority_queue<T>; template<class T> using MinHeap = priority_queue<T, vector<T>, greater<T>>; template<class T, class F=less<T>> void sort_uniq( vector<T> &v, F f=F() ) { sort(begin(v),end(v),f); v.resize(unique(begin(v),end(v))-begin(v)); } // }}} void main() { int n; R(n); VI a(n); REP(i,n) R(a[i]); chmin(n,8); vector<VI> g(200); for ( int s=1; s<1<<n; s++ ) { VI f; int sum=0; REP(i,n) if ( s>>i&1 ) { sum=(sum+a[i])%200; f.PB(i+1); } if ( SZ(g[sum]) ) { W("Yes"); W(SZ(f),f); W(SZ(g[sum]),g[sum]); return; } g[sum]=f; } W("No"); } // {{{ main }} int main() { unolight::main(); return 0; } // }}}
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; ll a[505][505]; ll b[505][505]; const int INF = 1000000000; int dist[1000005]; vector <pair <int, int>> graf[1000005]; int n, m; int hes(int i, int j, int k){ return k*n*m + (i-1)*m+j; } int main(){ ios_base::sync_with_stdio(false); cout.precision(10); cout << fixed; cin >> n >> m; for(int i=1; i<=n; i++){ for(int j=1; j<m; j++){ cin >> a[i][j]; } } for(int i=1; i<n; i++){ for(int j=1; j<=m; j++){ cin >> b[i][j]; } } for(int i=1; i<=n; i++){ for(int j=1; j<=m; j++){ if(j < m) graf[hes(i, j, 0)].push_back({hes(i, j+1, 0), a[i][j]}); if(j < m) graf[hes(i, j, 1)].push_back({hes(i, j+1, 0), a[i][j]}); if(j > 1) graf[hes(i, j, 0)].push_back({hes(i, j-1, 0), a[i][j-1]}); if(j > 1) graf[hes(i, j, 1)].push_back({hes(i, j-1, 0), a[i][j-1]}); if(i < n) graf[hes(i, j, 0)].push_back({hes(i+1, j, 0), b[i][j]}); if(i < n) graf[hes(i, j, 1)].push_back({hes(i+1, j, 0), b[i][j]}); if(i > 1) graf[hes(i, j, 0)].push_back({hes(i-1, j, 1), 2}); if(i > 1) graf[hes(i, j, 1)].push_back({hes(i-1, j, 1), 1}); } } for(int i=2; i<=2*n*m; i++) dist[i] = INF; set <pair <int, int>> q; q.insert({0, 1}); while(!q.empty()){ pair <int, int> pr = *q.begin(); q.erase(q.begin()); int v = pr.second; for(auto c : graf[v]){ if(dist[c.first] > c.second + dist[v]){ q.erase({dist[c.first], c.first}); dist[c.first] = c.second + dist[v]; q.insert({dist[c.first], c.first}); } } } cout << min(dist[n*m], dist[2*n*m]); return 0; }
#include <bits/stdc++.h> using namespace std; #ifdef BOI #include "debug.h" #else #define debug(args...) #endif typedef long long ll; int main() { ios_base :: sync_with_stdio(0); cin.tie(0); int n; cin >> n; ll k; cin >> k; vector <vector <ll>> a(n, vector <ll>(n)); for (int i = 0; i < n; ++i) { for (int j = 0; j < n; ++j) { cin >> a[i][j]; } } vector <int> aa(n); iota(aa.begin(), aa.end(), 0); int cnt = 0; do { ll sum = 0; for (int i = 1; i < n; ++i) { sum += a[aa[i]][aa[i - 1]]; } sum += a[aa[n - 1]][0]; if (sum == k) ++cnt; debug(aa, sum); } while (next_permutation(aa.begin() + 1, aa.end())); cout << cnt; }
#include <bits/stdc++.h> using namespace std; using ll = long long; template<ll mod> struct Mint { ll x; Mint(ll x = 0) : x((x %= mod) < 0 ? x + mod : x) { } Mint& operator+=(Mint rhs) { return (x += rhs.x) >= mod ? x -= mod : 0, *this; } Mint& operator-=(Mint rhs) { return (x -= rhs.x) < 0 ? x += mod : 0, *this; } Mint& operator*=(Mint rhs) { return (x *= rhs.x) %= mod, *this; } Mint& operator/=(Mint rhs) { return *this *= rhs.power(-1); } Mint power(ll p) const { p %= mod - 1; if (p < 0) p += mod - 1; Mint res = 1; for (Mint y = *this; p; p >>= 1, y *= y) if (p & 1) res *= y; return res; } bool operator==(Mint rhs) const { return x == rhs.x; } bool operator<(Mint rhs) const { return x < rhs.x; } friend Mint operator+(Mint lhs, Mint rhs) { return lhs += rhs; } friend Mint operator-(Mint lhs, Mint rhs) { return lhs -= rhs; } friend Mint operator*(Mint lhs, Mint rhs) { return lhs *= rhs; } friend Mint operator/(Mint lhs, Mint rhs) { return lhs /= rhs; } friend ostream& operator<<(ostream& out, Mint a) { return out << a.x; } friend istream& operator>>(istream& in, Mint& a) { ll x; in >> x; a = Mint(x); return in; } }; constexpr ll mod = 998244353; using mint = Mint<mod>; int main() { ios_base::sync_with_stdio(0); cin.tie(0); int N; cin >> N; const int Wmax = 100; vector<vector<mint>> dp(N + 1, vector<mint>(N * Wmax + 1)); dp[0][0] = 1; int sum = 0; for (int i = 0; i < N; ++i) { int W; cin >> W; for (int k = N - 1; k >= 0; --k) { for (int x = N * Wmax - W; x >= 0; --x) { dp[k + 1][x + W] += dp[k][x]; } } sum += W; } mint ans = 0; if (sum % 2 == 0) { vector<mint> f(N + 1, 1); for (int x = 1; x <= N; ++x) { f[x] = x * f[x - 1]; } for (int k = 1; k <= N; ++k) { ans += dp[k][sum / 2] * f[k] * f[N - k]; } } cout << ans << endl; exit(0); }
#include <bits/stdc++.h> using namespace std; template<typename T,typename T1>T amax(T &a,T1 b){if(b>a)a=b;return a;} template<typename T,typename T1>T amin(T &a,T1 b){if(b<a)a=b;return a;} // ================= #define f(i, k, n) for (int i = k; i < n; i++) #define ll long long #define pb push_back #define fr first #define sc second #define len(s) s.size() #define all(v) v.begin(), v.end() // ================= const int mod = 1e9+7; const int N = 3e5 + 1; void solve() { int v,t,s,d; cin>>v>>t>>s>>d; puts( (d>s*v || d<v*t) ? "Yes" : "No"); } signed main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int t=1; // cin>>t; while (t--) solve(); return 0; }
#include <iostream> #include <cmath> using namespace std; int main(){ int N, a, b; cin >> N; int arr[N], arr1[N]; for(int i = 0; i < N; i++){ cin >> a; arr[i] = a; } for(int k = 0; k < N; k++){ cin >> b; arr1[k] = b; } int result = 0; for(int j = 0; j < N; j++){ result += arr[j]*arr1[j]; } if(result == 0){ cout << "Yes" << endl;} else{ cout << "No" << endl; } }
#include <bits/stdc++.h> using namespace std; typedef signed long long ll; #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define FORR2(x,y,arr) for(auto& [x,y]:arr) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) template<class T> bool chmax(T &a, const T &b) { if(a<b){a=b;return 1;}return 0;} template<class T> bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;} //------------------------------------------------------- int N; map<int,int> S; void solve() { int i,j,k,l,r,x,y; string s; cin>>N; ll ret=1LL*N*(N-1)/2; FOR(i,N) { cin>>x; ret-=S[x]; S[x]++; } cout<<ret<<endl; } int main(int argc,char** argv){ string s;int i; if(argc==1) ios::sync_with_stdio(false), cin.tie(0); FOR(i,argc-1) s+=argv[i+1],s+='\n'; FOR(i,s.size()) ungetc(s[s.size()-1-i],stdin); cout.tie(0); solve(); return 0; }
#include <iostream> #include <vector> #include <map> #include <numeric> #include <algorithm> using namespace std; typedef long long ll; int main() { ll n; cin >> n; map<ll, ll> m; vector<ll> v; { ll tmp; while (cin >> tmp) { m[tmp]++; v.push_back(tmp); } } ll ans = 0; for (ll i: v) { ans += (n - m[i]); } cout << ans / 2LL << endl; }
#include <bits/stdc++.h> using namespace std; int main(){ long long t, N; cin>>t>>N; long long ans; long long nonexistcount=0; long long i=1; while(nonexistcount!=N){ if(i*(double)t/100>=nonexistcount+1){ ans = i+nonexistcount; nonexistcount++; if(nonexistcount==1&&N!=1){ i = i+(100/t)*(N-1); nonexistcount=N-1; } else{ i = i+100/t; } } else{ i++; } } cout<<ans<<endl; }
#include<bits/stdc++.h> using namespace std; #define _ 0 const int maxn=1e5+5; const int inf=0x3f3f3f3f; int main(){ ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); //freopen(".in","r",stdin); //freopen(".out","w",stdout); long long t,n; cin>>t>>n; cout<<(n*100+t-1)/t+n-1<<endl; return ~~(0^_^0); }
#include<bits/stdc++.h> using namespace std; // for loop #define rep(i,a,n) for(int i=(a);i<(n);++i) #define repe(i,a,n) for(int i=(a);i<=(n);++i) #define rrep(i,n,a) for(int i=(n);n>(a);--i) #define rrepe(i,n,a) for(int i=(n);n>=(a);--i) // abbreviati #define PB(v) push_back(v) #define MP(A,B) make_pair(A,B) #define F first #define S second #define all(v) v.begin(),v.end() #define ENDL << "\n" using ll = long long; using P = pair<int,int>; using itn = int; // constant const int INF = 1<<30; const ll INFLL = 1LL << 60; const ll MOD = 1000000007; const long double PI =(acos(-1)); /***Snippet*************************************************** ifelse, isprime, torad, todeg, lcm, bfs,chmin,chmax **************************************************************/ // adjacency list vector<int> to[100005]; // Graph using Graph = vector<vector<int>>; // Grid int H,W; vector<vector<int>> field; // 4方向への移動ベクトル const int dx[4]={1,0,-1,0}; const int dy[4]={0,1,0,-1}; int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); int h,w; cin >> h >> w; vector<string> s(h); rep(i,0,h){ cin >> s[i]; } bool flag=0; int cnt=0; rep(i,0,h){ rep(j,0,w){ flag=0; //if(j==w-1 || i==h-1) continue; if(s[i][j]=='.'){ flag=1; } if(j<w-1 && flag && s[i][j+1]=='.'){ cnt++; } if(i<h-1 && flag && s[i+1][j]=='.'){ cnt++; } } } cout << cnt ENDL; return 0; }
#include<iostream> #include<cstdio> #include<map> using namespace std; #define N 100012 inline int sgn(int x){return (x==0)?0:((x>0)?1:(-1));} inline int Abs(int x){return (x>0)?x:(-x);} int n,L,a[N],b[N],c[N],la[N];bool fl=true;map<int,int>mp;long long ans=0; inline void Fin(int l,int r) { if(l+1>=r)return;int i,ql=l,qr=r,ls; for(i=l+1;i<r-1;i++)if((c[i]==1)&&(c[i+1]==(-1))){fl=false;return;} for(i=l;i<=r;i++)if(c[i]==(-1))ql=i;for(i=r;i>=l;i--)if(c[i]==1)qr=i; mp.clear();for(i=l;i<=ql;i++){if(c[i]){if(!mp.count(b[i]-i)){fl=false;return;}la[i]=mp[b[i]-i];}mp[a[i]-i]=i;} mp.clear();for(i=r;i>=qr;i--){if(c[i]){if(!mp.count(b[i]-i)){fl=false;return;}la[i]=mp[b[i]-i];}mp[a[i]-i]=i;} ls=l;for(i=l;i<=r;i++){if(c[i]&&(ls>la[i])){fl=false;return;}if(c[i])ls=max(ls,la[i]);} ls=r;for(i=r;i>=l;i--){if(c[i]&&(ls<la[i])){fl=false;return;}if(c[i])ls=min(ls,la[i]);} ls=r;for(i=ql;i>=l;i--)if(c[i]&&(la[i]!=ls)){ans+=i-la[i];ls=la[i];} ls=l;for(i=qr;i<=r;i++)if(c[i]&&(la[i]!=ls)){ans+=la[i]-i;ls=la[i];} } int main(){ scanf("%d%d",&n,&L);int i,l,r;for(i=1;i<=n;i++)scanf("%d",&a[i]);for(i=1;i<=n;i++)scanf("%d",&b[i]);a[0]=b[0]=0;a[n+1]=b[n+1]=L+1; for(i=1;i<=n;i++)c[i]=sgn(b[i]-a[i]); for(i=0;(i<=(n+1))&&fl;i=r){l=i;r=i+1;while((r<=n)&&c[r])++r;Fin(l,r);}if(!fl){printf("-1");return 0;}printf("%lld",ans);return 0; }
#include <bits/stdc++.h> #define LL long long #define ull unsigned long long #define F(i, j, k) for(int i = j; i <= k; i++) #define DF(i, j, k) for(int i = j; i >= k; i--) using namespace std; template <typename T> inline void read(T &n) { T w = 1; n = 0; char ch = getchar(); while (!isdigit(ch) && ch != EOF) { if (ch == '-') w = -1; ch = getchar(); } while (isdigit(ch) && ch != EOF) { n = (n << 3) + (n << 1) + (ch & 15); ch = getchar(); } n *= w; } template <typename T> inline void write(T x) { T l = 0; ull y = 0; if (!x) { putchar(48); return; } if (x<0) { putchar('-'); x = -x; } while (x) { y = y * 10 + x % 10; x /= 10; l++; } while (l) { putchar(y % 10 + 48); y /= 10; l--; } } template <typename T> inline void writes(T x) { write(x); putchar(' '); } template <typename T> inline void writeln(T x) { write(x); puts(""); } template <typename T> inline void checkmax(T &a,T b) { a = a > b ? a : b; } template <typename T> inline void checkmin(T &a,T b) { a = a < b ? a : b; } const int MOD = 998244353; inline int ksm(int x, int y) { int k = 1; while (y) { if (y & 1) k = (long long)k * x % MOD; x = (long long)x * x % MOD; y >>= 1; } return k; } inline void add(int &a, int b) { a = (a + b >= MOD) ? a + b - MOD : a + b; } inline int dec(int a, int b) { return (a - b < 0) ? a - b + MOD : a - b; } int main() { //freopen(".in", "r", stdin); //freopen(".out", "w", stdout); int n, m, k, ans = 0; read(n); read(m); read(k); if (n == 1 && m == 1) { writeln(k); return 0; } if (n == 1) { F(i, 1, k) add(ans, dec(ksm(k - i + 1, m), ksm(k - i, m))); writeln(ans); return 0; } if (m == 1) { F(i, 1, k) add(ans, dec(ksm(i, n), ksm(i - 1, n))); writeln(ans); return 0; } F(i, 1, k) add(ans, (long long)dec(ksm(i, n), ksm(i - 1, n)) * ksm(k - i + 1, m) % MOD); writeln(ans); return 0; }
#include<bits/stdc++.h> using namespace std; #define ll long long #define pb push_back #define mp make_pair #define all(a) (a).begin(),(a).end() #define endl "\n" #define yes "Yes\n" #define no "No\n" #define fast ios_base::sync_with_stdio(false); cin.tie(NULL); ll maxn = 1000006; void solve(int test) { vector<ll>sieve(maxn,0); ll i,j; for(i=2;i<maxn;i++) { if(sieve[i] == 0) { for(j=i;j<maxn;j+=i)sieve[j]++; for(j=i*i;j<maxn;j+=i*i)sieve[j] = -10000005; } } ll l,r; cin>>l>>r; if(l==1) { l = min(r,2LL); } if(l==1 && r==1) { cout<<0<<endl; return; } ll tot = (r-l+1)*(r-l); tot = tot/2; tot = 0; for(i=2;i<=r;i++) { if(sieve[i] <= 0)continue; ll val = r/i - (l-1)/i; if(sieve[i]%2==1) { tot += val*(val-1)/2; } else { tot -= val*(val-1)/2; } } ll sub = 0; for(i=l;i<=r;i++) { for(j=2*i;j<=r;j+=i)sub++; } tot = tot - sub; tot = 2*tot; cout<<tot<<endl; } int main() { //fast; int t = 1; //cin>>t; for(int x=1;x<=t;x++) { solve(x); } return 0; }
#include <algorithm> #include <bitset> #include <cmath> #include <cstring> #include <deque> #include <functional> #include <iomanip> #include <iostream> #include <list> #include <map> #include <queue> #include <set> #include <stack> #include <tuple> #include <utility> #include <vector> using namespace std; using ll = long long; using ld = long double; template <typename T1, typename T2> void mmin(T1& a, const T2& b) { if (b < a) a = b; } template <typename T1, typename T2> void mmax(T1& a, const T2& b) { if (b > a) a = b; } const int MAXN = 5020, P = 998'244'353; int n, m, k; char c[MAXN][MAXN]; ll d[MAXN][MAXN]; constexpr ll qpow(ll base, ll exp) { ll ans = 1; while (exp) { if (exp % 2) ans = ans * base % P; base = base * base % P; exp /= 2; } return ans % P; } constexpr ll two_thirds = qpow(3, P - 2) * 2 % P; int main() { ios::sync_with_stdio(false); cin.tie(nullptr); cin >> n >> m >> k; for (int i = 0; i < k; i++) { int h, w; char q; cin >> h >> w >> q; c[h][w] = q; } d[1][1] = qpow(3, n * m - k); for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) { if (i == 1 && j == 1) continue; if (i > 1) { if (!c[i - 1][j]) d[i][j] = (d[i][j] + d[i - 1][j] * two_thirds) % P; else if (c[i - 1][j] != 'R') d[i][j] = (d[i][j] + d[i - 1][j]) % P; } if (j > 1) { if (!c[i][j - 1]) d[i][j] = (d[i][j] + d[i][j - 1] * two_thirds) % P; else if (c[i][j - 1] != 'D') d[i][j] = (d[i][j] + d[i][j - 1]) % P; } } cout << d[n][m] << endl; }
#include <bits/stdc++.h> using namespace std; typedef long long int ll; typedef long double ld; #define REP(i, n) for(ll i = 0LL; i < (ll)(n); i++) #define REPR(i, n) for (ll i = (ll)(n) - 1; i >= 0; i--) #define FOR(i, n, m) for(ll i = (ll)n; i < (ll)(m); i++) #define ALL(x) (x).begin(),(x).end() // #define MOD 1000000007 #define MOD 998244353 #define INF (1LL << 62) #define PI (acos(-1)) #define PRINT(x) std::cout << x << endl ll gcd(ll a, ll b) { return b ? gcd(b,a%b) : a;} ll lcm(ll a, ll b) { return a / gcd(a, b) * b; } ll countDigit(ll n) { return floor(log10(n) + 1); } typedef pair <ll,ll> P; static const ll dx[8] = {0,1,0,-1, 1, -1, 1, -1}, dy[8] = {1,0,-1,0,1,1,-1,-1}; template <typename T> ostream& operator<<(ostream& os, const vector<T>& v) { for (int i = 0; i < (int)v.size(); ++i) os << v[i] << " "; return os; } template <typename T1, typename T2> ostream& operator<<(ostream& os, const map<T1, T2>& m) { for (auto p : m) os << "<" << p.first << ", " << p.second << "> "; return os; } int main() { ll N, K; string S; cin >> N >> K >> S; for (ll k = 0; k < K; k++) { string T = S; for(ll i = 0; i < T.size(); i+=1) { char te1 = S[(2*i)%N]; char te2 = S[(2*i+1)%N]; if (te1 != te2) { if (te1 == 'R') { if (te2 == 'S') { T[i] = te1; } else { T[i] = te2; } } else if (te1 == 'S') { if (te2 == 'R') { T[i] = te2; } else { T[i] = te1; } } else { if (te2 == 'R') { T[i] = te1; } else { T[i] = te2; } } } else { T[i] = te1; } } S = T; } cout << S[0] << endl; return 0; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (int)(n); i++) using namespace std; typedef long long ll; int main() { int N; scanf("%d", &N); vector<ll> A(N), S(N + 1, 0), M(N + 1, 0); rep(i, N) { scanf("%lld", &A[i]); S[i + 1] = S[i] + A[i]; M[i + 1] = max(M[i], A[i]); } ll ans = 0; rep(i, N) { ans += S[i + 1]; printf("%lld\n", ans + M[i + 1] * (i + 1)); } }
#include <bits/stdc++.h> using namespace std; int main() { int N; cin >> N; int i = 1; int sum = 0; while(true) { sum = sum + i; if (sum >= N) { cout << i << endl; return 0; } i++; } }
#include <iostream> #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<ll,ll> pll; typedef vector<ll> vll; typedef vector<vll> vvll; typedef vector<pair<ll,ll>> vp; #define pb(a) push_back(a) #define mp(a,b) make_pair(a,b) #define mod 1000000007 #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define rep(i,a,b,c) for(ll i=a;i<b;i+=c) #define repn(i,a,b,c) for(ll i=a;i>=b;i-=c) #define YES cout<<"YES\n" #define NO cout<<"NO\n" #define yes cout<<"Yes\n" #define no "no\n" #define endl '\n' #define F first #define S second #define IOS ios::sync_with_stdio(0); cin.tie(0); #define max(x,y) ((x<y)?y:x) #define min(x,y) ((x<y)?x:y) ll gcd(ll x, ll y){ ll temp=min(x,y); y=x+y-temp; x=temp; while(y%x!=0){ temp=x; x=y%x; y=temp; } return x; } bool prime[1000005]; vll spf(20000005,0); void Seive(ll n){ rep(i,0,n,1) prime[i]=true; prime[0]=prime[1]=false; for (int p=2; p*p<n; p++) { if (prime[p]==false) continue; for (int i=p*p; i<n; i+=p) prime[i] = false; } } void Seive_spf(ll n){ spf[0]=0, spf[1]=1; for (ll p=2; p<n; p++){ if (spf[p]>0) continue; spf[p]=p; for(ll i=p;i<n;i+=p) if(spf[i]==0) spf[i]=p; } } ll nCrmodp_dp(ll n, ll r, ll p){ ll c[r+1]={0}; c[0]=1; rep(i,1,n+1,1){ repn(j,min(i,r),0,1) c[j] = (c[j]+c[j-1])%p; } return c[r]; } ll nCrmodp(ll n, ll r, ll p){ if(r==0) return 1; return (nCrmodp(n/p, r/p, p)*nCrmodp_dp(n%p, r%p, p))%p; } void print2d(vvll a){ rep(i,0,a.size(),1){ rep(j,0,a[i].size(),1) cout<<a[i][j]<<' '; cout<<endl; } } void print1d(vll a){ rep(i,0,a.size(),1) cout<<a[i]<<' '; cout<<endl; } void solve(){ ll n; cin>>n; vll a(n), b(n); rep(i,0,n,1) cin>>a[i]; rep(i,0,n,1) cin>>b[i]; ll mi=a[0], ma=b[0]; rep(i,1,n,1){ mi=max(mi,a[i]); ma=min(ma,b[i]); } cout<<max(ma-mi+1,0)<<endl; } int main(){ IOS #ifdef OK freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif int t=1; //cin>>t; /*Seive(1000000) vll pr[1000000]; rep(i,2,1000000,1) if(prime[i]==false) pr.pb(i); */ while(t--) solve(); return 0; }
#include<iostream> #include<algorithm> #include<string> #include<vector> #include<set> #include<queue> #include<cmath> //#include<bits/stdc++.h> #define int long long #define for0(i, n) for(int i = 0; i < (n); i++) #define for1(i, n) for(int i = 1; i <= (n);i++) #define mp make_pair #define all(x) x.begin(),x.end() #define puts(x) cout << (x) << "\n" constexpr int mod = 998244353; using namespace std; int input() { int t; cin >> t; return t; } int n, s, t, ndm, ndi, dt[234567], ans[234567]; vector<int>g[234567]; void f1(int i, int d, int p) { dt[i] = d; if (ndm < d) { ndm = d; ndi = i; } for (int j : g[i])if (j != p)f1(j, d + 1, i); } int f2t = 1; void f2(int i, int p) { if (ans[i] == 0)ans[i] = f2t; for (int j : g[i])if (p != j && dt[j] > dt[i]) { f2t++; f2(j, i); f2t++; } for (int j : g[i])if (p != j && dt[j] < dt[i]) { f2t++; f2(j, i); f2t++; } } signed main() { //function<int(int, int)> gcd = [&gcd](int a, int b) {if (b == 0)return a; return gcd(b, a % b); }; cin >> n; for0(i, n - 1) { int a, b; cin >> a >> b; g[a].push_back(b); g[b].push_back(a); } ndm = 0; ndi = 1; f1(1, 0, 1); s = ndi; ndm = 0; ndi = 1; f1(s, 0, s); t = ndi; ndm = 0; ndi = 1; f1(t, 0, t); f2(s, s); for1(i, n) { cout << ans[i] << (i == n ? "\n" : " "); } }
#include<bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; typedef vector<int> vi; typedef vector<vector<int>> vvi; typedef vector<ll> vl; typedef vector<pair<int,int>> vpi; #define tr(it, a) for(auto it = a.begin(); it != a.end(); it++) #define pb push_back #define mp make_pair #define rev(i,a,b) for(int i=a;i<b;i++) #define sz(a) (int)a.size() #define all(a) a.begin(),a.end() const int MOD = 1000000000+7; ll mul(ll x,ll y) {return (x*y)%MOD;} ll bin_pow(ll x,ll p) {if(p==0)return 1;if(p&1)return mul(x,bin_pow(x,p-1));return bin_pow(mul(x,x),p/2);} ll gcd(ll a,ll b) {if(b==0)return a;return gcd(b,a%b);} ll lcm(ll a, ll b) {return a / gcd(a, b) * b;} bool prime(ll n) {if(n<=1)return 0;for(ll i=2;i*i<=n;i++)if(n%i==0)return 0; return 1;} bool adj[5005][5005]; int deg[5005]; int main() { ll n; cin>>n; vl f; n=n*2; f.pb(1); f.pb(n); for(ll i=2;i*i<=n;i++) { if(n%i==0) { f.pb(i); if(i*i!=n) f.pb(n/i); } } // for(auto i:f)cout<<i<<" "; ll a=0; for(int i=0;i<sz(f);i++) { ll x=(n/f[i])+1-f[i]; if(x%2==0) a++; } cout<<a<<endl; }
#include <bits/stdc++.h> #define clog(x) std::clog << (#x) << " is " << (x) << '\n'; using LL = long long; int main() { //freopen("in", "r", stdin); std::cin.tie(nullptr)->sync_with_stdio(false); LL n; std::cin >> n; std::vector<LL> F{1, 1}; while (F.back() <= n) F.emplace_back(F[F.size() - 2] + F[F.size() - 1]); F.pop_back(); int s = F.size(), now = s - 1; std::vector<int> a(s), ans; while (now >= 0 && n) { if (F[now] <= n) { // 不会超过两次的 n -= F[now]; ++a[s - 1 - now]; } --now; } for (int i = 0; i < s; ++i) { if ((i & 1) == (s & 1)) { if (a[i]) ans.emplace_back(2); ans.emplace_back(4); } else { if (a[i]) ans.emplace_back(1); ans.emplace_back(3); } } std::cout << ans.size() << '\n'; for (auto x : ans) std::cout << x << '\n'; return 0; }
/** * Author: Daniel * Created Time: 2021-03-27 20:02:48 **/ // time-limit: 2000 #include <bits/stdc++.h> using namespace std; #define F first #define S second #define ER erase #define IS insert #define PI acos(-1) #define PB pop_back #define MP make_pair #define MT make_tuple #define LB lower_bound #define UB upper_bound #define EB emplace_back #define lowbit(x) (x & -x) #define SZ(x) ((int)x.size()) #define ALL(x) x.begin(), x.end() #define RALL(x) x.rbegin(), x.rend() #define SOS ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);cout<<fixed<<setprecision(10) typedef long long LL; typedef vector<LL> VL; typedef vector<int> VI; typedef pair<LL, LL> PLL; typedef vector<string> VS; typedef pair<int, int> PII; typedef unsigned long long ULL; typedef pair<double, double> PDD; typedef vector<pair<LL, LL> > VPLL; typedef vector<pair<int, int> > VPII; template <typename A> using VE = vector<A>; template <typename A> using USET = unordered_set<A>; template <typename A> using HEAP = priority_queue<A>; template <typename A, typename B> using PA = pair<A, B>; template <typename A, typename B> using UMAP = unordered_map<A, B>; template <typename A> using RHEAP = priority_queue<A, vector<A>, greater<A> >; template <typename A> A MAX(const A &a) { return a; } template <typename A> A MIN(const A &a) { return a; } template <typename A> A MAX(const A *a, const A *b) { assert(b - a > 0); return *max_element(a, b); } template <typename A> A MIN(const A *a, const A *b) { assert(b - a > 0); return *min_element(a, b); } template <typename A, typename... B> A MAX(const A &a, const B&... b) { return max(a, MAX(b...)); } template <typename A, typename... B> A MIN(const A &a, const B&... b) { return min(a, MIN(b...)); } template <typename A, typename B = typename std::iterator_traits<A>::value_type> B MAX(A a, A b) { assert(b - a > 0); return *max_element(a, b); } template <typename A, typename B = typename std::iterator_traits<A>::value_type> B MIN(A a, A b) { assert(b - a > 0); return *min_element(a, b); } mt19937 rng((unsigned int)chrono::steady_clock::now().time_since_epoch().count()); /////////////////////////////////////////////////////////////////////////// //////////////////// DO NOT TOUCH BEFORE THIS LINE //////////////////////// /////////////////////////////////////////////////////////////////////////// // check the limitation!!! const int N = 100010, M = 1010; // read the question carefully!!! int main() { SOS; int n, m, x, y; cin >> n >> m >> x >> y; x -- , y -- ; VS g(n); for (auto &s : g) cin >> s; int res = 1; for (int j = y + 1; j < m; j ++ ) if (g[x][j] == '.') res ++ ; else break; for (int j = y - 1; j >= 0; j -- ) if (g[x][j] == '.') res ++ ; else break; for (int i = x - 1; i >= 0; i -- ) if (g[i][y] == '.') res ++ ; else break; for (int i = x + 1; i < n; i ++ ) if (g[i][y] == '.') res ++ ; else break; cout << res << '\n'; return 0; } // GOOD LUCK!!!
#include <iostream> #include <algorithm> #include <vector> #include <tuple> using namespace std; using p = pair<int, int>; vector<p> d = {p(-1,0), p(1,0), p(0,-1), p(0,1)}; int main() { int h, w, x, y; cin >> h >> w >> x >> y; x--; y--; vector<vector<char>> v(h, vector<char>(w)); for (int i=0; i<h; i++) { for (int j=0; j<w; j++) { cin >> v[i][j]; } } int ans = 0; for (auto coord: d) { bool b = true; int s, t; int t_x = x, t_y = y; tie(s, t) = coord; while (b) { t_x += s; t_y += t; if ((t_x>=h) || (t_x<0) || (t_y>=w) || (t_y<0) || (v[t_x][t_y]=='#')) { b = false; } else { ans += 1; } } } if (v[x][y]=='.') { cout << ans+1 << endl; } else { cout << ans << endl; } }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<int> vi; typedef vector<ll> vl; typedef pair<int,int> ii; typedef vector<ii> vii; typedef vector<vi> vvi; #define FOR(i,a,b) for(int i=a; i <=(b); i++) #define ROF(i,a,b) for(int i=a; i >=(b); i--) #define loop(i,a) for(int i=0; i < (a); i++) #define rloop(i,a) for(int i=(a-1); i >= 0; i--) #define MAX(a,b) (a < b) ? (b) : (a) #define BIGGEST(a,b,c) (MAX(a,b) < c) ? (c) : MAX(a,b) #define END "\n" #define pb push_back #define ff first #define ss second #define sort(a) sort(a.begin(),a.end()) const int MAX_N = 1e5 + 5; const int MAX_L = 20; // ~ Log N const long long MOD = 1e9 + 7; const long long INF = 1e9 + 7; void solve(){ int n; cin >> n; map<string,ll>mp; string s[n]; string ans = "satisfiable"; loop(i,n){ cin >> s[i]; if(s[i][0] != '!'){ mp[s[i]] = 1; } } loop(i, n) { if (s[i][0] == '!') { if (mp[s[i].substr(1, s[i].length() - 1)]) { ans = s[i].substr(1, s[i].length() - 1); } } } cout << ans; } int main() { ios_base::sync_with_stdio(false);cin.tie(NULL); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); freopen("error.txt","w",stderr); #endif // int t; cin >> t; // while(t--) solve(); cerr<<"\ntime taken : "<<(float)clock()/CLOCKS_PER_SEC<<" secs"<<endl; return 0; }
#include <iostream> #include <vector> #include <algorithm> using namespace std; typedef long long ll; const ll MAX_N = 1e18 + 2000; int main () { ios::sync_with_stdio(false); ll n; cin >> n; ll on = n; vector<ll> fib = {0, 1}; while (fib.back() < MAX_N) { ll a = fib.back(); ll b = *next(fib.rbegin()); fib.push_back(a + b); } int mx = -1; vector<int> decomp; for (int i = (int) fib.size() - 1; i > 0; i--) { if (n >= fib[i]) { decomp.push_back(i); n -= fib[i]; mx = max(mx, i); } } if (mx % 2 == 1) { mx++; } vector<int> adds (mx, 0); for (int u : decomp) { adds[mx - u] = 1; } ll a = 0, b = 0; vector<int> sol; for (int i = 0; i < (int) adds.size(); i += 2) { if (a != 0) { b += a; sol.push_back(4); } if (adds[i]) { b++; sol.push_back(2); } if (b != 0) { a += b; sol.push_back(3); } if (adds[i + 1]) { a++; sol.push_back(1); } } cout << sol.size() << '\n'; for (int o : sol) { cout << o << '\n'; } }
#include<bits/stdc++.h> using namespace std; #define M 1000000007 #define ll long long #define FIO ios_base::sync_with_stdio(false);cin.tie(NULL) #define ifor(st,lim) for(int i=st;i<lim;i++) #define jfor(stt,llim) for(int j=stt;j<llim;j++) #define pb push_back void solve() { // cout<<"X"; int x,y; cin>>x>>y; if(x == y) { cout<<x; }else { // 0 1 2 // 0 1 2 cout<< 3 - (x + y); } } void file_i_o() { #ifndef ONLINE_JUDGE freopen("input.txt","r",stdin); freopen("output.txt","w",stdout); #endif } int main() { file_i_o(); FIO; int t=1; while(t--) { solve(); } }
#include<bits/stdc++.h> using namespace std; #define ll long long int #define fr(i,n) for(int i=0;i<n;i++) #define pct(i,n) cout<<"Case "<<i<<": "<<n<<endl; #define fast() ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0); #define e "\n" int main() { int x,y; cin>>x>>y; if(x==y){ cout<<x<<e; } else if(x==0&&y==1){ cout<<2<<e; } else if(x==1&&y==0){ cout<<2<<e; } else if(x==1&&y==2){ cout<<0<<e; } else if(x==2&&y==1){ cout<<0<<e; } else if(x==2&&y==0){ cout<<1<<e; } else if(x==0&&y==2){ cout<<1<<e; } return 0; }
#include<iostream> using namespace std; int A, B, W; int main(){ cin >> A >> B >> W; W*=1000; int ans_max= W/A; int ans_min= W/B + (W%B!=0); bool IsSatisfiable = false; for(int i=1; i<=1000000; i++){ if(A*i<=W&&W<=B*i){ IsSatisfiable = true; break; } } string S =to_string(ans_min) + " " + to_string(ans_max); cout << (IsSatisfiable? S: "UNSATISFIABLE") << endl; return 0; }
//{{ /* * Created at: 06/21/21 17:49:29 * * FB: https://facebook.com/tgbaodeeptry * From Viet Nam with Love :D * */ #include <bits/stdc++.h> using namespace std; #define fast_io() \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); #define REP(i, a, b) for (int i = int(a); i < int(b); ++i) #define RED(i, a, b) for (int i = int(a); i > int(b); --i) #define FOR(i, a, b) for (int i = int(a); i <= int(b); ++i) #define FOD(i, a, b) for (int i = int(a); i >= int(b); --i) #define sz(x) ((int)x.size()) #define all(x) (x).begin(), (x).end() #define f first #define s second #define eb emplace_back #define pb push_back #define endl '\n' using ll = long long; using vi = vector<int>; using vvi = vector<vector<int>>; using pii = pair<int, int>; const int MOD = 1e9 + 7; const int MAXN = 1e5; const int INF = INT_MAX; template <class T> void re(T &x) { cin >> x; }; template <class T> void re(vector<T> &v, int n) { FOR(i, 0, n - 1) cin >> v[i]; }; template <class T> void re(vector<T> &v, int f, int t) { FOR(i, f, t) cin >> v[i]; }; template <class T> void re(T v[], int n) { FOR(i, 0, n - 1) cin >> v[i]; }; template <class T> void re(T *v, int f, int t) { FOR(i, f, t) cin >> v[i]; }; template <class H, class... T> void re(H &v, T &... args) { re(v); re(args...); }; void dbg_out() { cerr << endl; } template <typename Head, typename... Tail> void dbg_out(Head H, Tail... T) { cerr << ' ' << H; dbg_out(T...); } template <typename T> void dbg_out(vector<T> a) { for (auto c : a) cerr << ' ' << c; cerr << endl; }; template <typename T> void dbg_out(vector<T> a, int n) { FOR(i, 0, n - 1) cerr << ' ' << a[i]; cerr << endl; }; template <typename T> void dbg_out(vector<T> a, int u, int v) { FOR(i, u, v) cerr << ' ' << a[i]; cerr << endl; }; template <typename T> void dbg_out(T a[]) { for (auto c : a) cerr << ' ' << c; cerr << endl; }; template <typename T> void dbg_out(T a[], int n) { FOR(i, 0, n - 1) cerr << ' ' << a[i]; cerr << endl; }; template <typename T> void dbg_out(T a[], int u, int v) { FOR(i, u, v) cerr << ' ' << a[i]; cerr << endl; }; #if defined(_CRUN) || defined(_RUN) #define pd(...) \ cerr << "(L:" << __LINE__ << "): " \ << "[" << #__VA_ARGS__ << "] =", \ dbg_out(__VA_ARGS__) #else #define pd(...) #endif #if defined(_CRUN) #define c_input() freopen("input", "r", stdin) #define c_output() freopen("output", "r", stdin) #else #define c_input() #define c_output() #endif void ps(){}; template <typename Head, typename... Tail> void ps(Head H, Tail... T) { cout << H; ps(T...); }; template <typename T> void ps(vector<T> a, int n) { FOR(i, 0, n - 1) cout << a[i] << ' '; }; template <typename T> void ps(T a[], int n) { FOR(i, 0, n - 1) cout << a[i] << ' '; }; ll add_mod(ll a, ll b) { return ((a % MOD) + (b % MOD)) % MOD; } ll sub_mod(ll a, ll b) { return ((a % MOD) - (b % MOD) + MOD) % MOD; } ll mul_mod(ll a, ll b) { return ((a % MOD) * (b % MOD)) % MOD; } ll pow_mod(ll a, ll b) { ll ans = 1; while (b) { if (b & 1) ans = mul_mod(ans, a); a = mul_mod(a, a); b >>= 1; }; return ans; }; ll lcm(ll a, ll b) { return a * b / __gcd(a, b); } ll pow(ll a, ll b) { ll ans = 1; while (b) { if (b & 1) ans *= a; a *= a; b >>= 1; }; return ans; }; void solve(); void init(); bool multi_test = false; // ---- main below ----- /// int main() { fast_io(); init(); int T = 1; if (multi_test) re(T); FOR(i, 1, T) solve(); } //}} void init() { // multi_test = true; } int n, sum; int a[100]; int memo[100][100001]; int find(int u, int cur) { if (u == n) { return (2*cur >= sum ? cur : INF); } if (~memo[u][cur]) { return memo[u][cur]; } return memo[u][cur] = min(find(u + 1, cur), find(u + 1, cur + a[u])); } void solve() { re(n); re(a, n); // tim subset minimize memset(memo, -1, sizeof memo); sum = accumulate(a, a + n, 0); ps(find(0, 0)); }
#include <bits/stdc++.h> using namespace std; #define int long long template <typename T> void print_vec(const vector<T>& v, bool newline = true) { for (int i = 0; i < v.size(); ++i) { cout << v[i] << " "; } if (newline) { cout << "\n"; } } mt19937 rng((uint32_t)chrono::steady_clock::now().time_since_epoch().count()); const int maxn = (int)5105; const int mod = (int)998244353; #define sz(x) ((int)(x.size())) #define pb push_back #define rep(i,a,b) for (int i = (a); i <= (b); i++) #define repr(i,a,b) for (int i = (a); i >= (b); i--) int fact_setup=0; int * fact; int ex (int a, int b){ if(b==0)return 1; int e = ex(a,b/2); e=(1ll*e*e)%mod; if(b&1)e=(1ll*e*a)%mod; return e; } int inv (int a){ return ex(a, mod - 2); } int choose (int a, int b){ if(!fact_setup){ fact_setup=1; fact = new int [maxn]; fact[0]=1; rep (i,1,maxn-1) fact[i]=(i*fact[i-1])%mod; } if(a<b)return 0; int num = fact[a]; int denom = (fact[b] * fact[a - b]) % mod; return (num * inv(denom)) % mod; } #define pii pair <int, int> #define pvi pair <vector <int>, int> #define pai array <int,2> #define pdi array <double, 2> #define pdt array <double, 3> #define pti array <int,3> #define pfi array <int,4> #define all(v) v.begin(), v.end() main(){ cin.tie(0); ios_base::sync_with_stdio(0); int n, k; cin >> n >> k; int ans = 0; rep (i, 1, n){ rep (j, 1, k){ ans += 100*i; ans += j; } } cout << ans; return 0; }
#include <bits/stdc++.h> // #include <atcoder/all> // using namespace atcoder; #define _overload3(_1,_2,_3,name,...) name #define _rep(i,n) repi(i,0,n) #define repi(i,a,b) for(int i=int(a);i<int(b);++i) #define rep(...) _overload3(__VA_ARGS__,repi,_rep,)(__VA_ARGS__) #define rrep(i,n) for(int i=int(n-1);i>=int(0);--i) #define fore(i,a) for(auto &i:a) #define all(x) x.begin(),x.end() #define sz(x) ((int)(x).size()) #define bp(x) (__builtin_popcount((long long)(x))) #define pb push_back #define eb emplace_back #define mp make_pair #define V vector #define P pair<int,int> #define TP tuple<int,int,int> #define F first #define S second template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; } using ll = long long; using ld = long double; using namespace std; const int INF = 1001001001; const ll INFL = 1001001001001001001; const int MAX = 2e6+1; template<int MOD> struct Fp { long long val; constexpr Fp(long long v = 0) noexcept : val(v % MOD) { if (val < 0) val += MOD; } constexpr int getmod() { return MOD; } constexpr Fp operator - () const noexcept { return val ? MOD - val : 0; } constexpr Fp operator + (const Fp& r) const noexcept { return Fp(*this) += r; } constexpr Fp operator - (const Fp& r) const noexcept { return Fp(*this) -= r; } constexpr Fp operator * (const Fp& r) const noexcept { return Fp(*this) *= r; } constexpr Fp operator / (const Fp& r) const noexcept { return Fp(*this) /= r; } constexpr Fp& operator += (const Fp& r) noexcept { val += r.val; if (val >= MOD) val -= MOD; return *this; } constexpr Fp& operator -= (const Fp& r) noexcept { val -= r.val; if (val < 0) val += MOD; return *this; } constexpr Fp& operator *= (const Fp& r) noexcept { val = val * r.val % MOD; return *this; } constexpr Fp& operator /= (const Fp& r) noexcept { long long a = r.val, b = MOD, u = 1, v = 0; while (b) { long long t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } val = val * u % MOD; if (val < 0) val += MOD; return *this; } constexpr bool operator == (const Fp& r) const noexcept { return this->val == r.val; } constexpr bool operator != (const Fp& r) const noexcept { return this->val != r.val; } friend constexpr ostream& operator << (ostream &os, const Fp<MOD>& x) noexcept { return os << x.val; } friend constexpr Fp<MOD> modpow(const Fp<MOD> &a, long long n) noexcept { if (n == 0) return 1; auto t = modpow(a, n / 2); t = t * t; if (n & 1) t = t * a; return t; } }; const int MOD = 1000000007; //const int MOD = 998244353; using mint = Fp<MOD>; int main() { int n;cin>>n; V<ll> a(n); rep(i,n)cin>>a[i]; a.push_back(0); sort(all(a)); mint ans=1; rep(i,1,n+1){ ans*=a[i]-a[i-1]+1; } cout<<ans<<endl; return 0; }
#include<bits/stdc++.h> #define int long long #define N 200000 #define P 1000000009 using namespace std; int T,n,aa,hsh[4][2*N+1],pw2[2*N+1]; //n1[2][2*N+1],n2[2][2*N+1],n3[2][2*N+1],l0,l1,st[2][4]; string s1,s2,s3,ans,ss[4]; //int calmi(string ns){ // for(int i=0;i<ns.size();i++){ // if(ns[i]=='0'){ // int nans=0,ni=i; // while(ni<ns.size()&&ns[ni]=='0')ni++; // nans=ni-i; // return nans; // } // } //} bool fnd(int x,string ns){ int np=0; for(int i=0;i<ns.size();i++){ while(ss[x][np]!=ns[i]&&np<ss[x].size())np++; if(np>=ss[x].size())return 0; np++; }return 1; } signed main(){ pw2[0]=1;for(int i=1;i<=2*N;i++)pw2[i]=pw2[i-1]*2%P; cin>>T; while(T--){ cin>>n; cin>>s1>>s2>>s3; ss[1]=s1+s1;ss[2]=s2+s2;ss[3]=s3+s3; //for(int i=1;i<=3;i++)calhsh(i); bool ffl=0; for(int t=0;t<=1;t++){ for(int i=1;i<=3;i++){ for(int j=0;j<=1;j++){ string ns=ss[i].substr(0,2*n); if(t==0)ns+=j+'0'; else{ string ng;ng.clear();ng+=j+'0'; ns.insert(0,ng); } //int nh=(hsh[i][2*n]*2+j)%P; bool nfl=1; for(int k=1;k<=3;k++){ if(k!=i&&!fnd(k,ns)){ nfl=0;break; } } if(nfl){ cout<<ns<<endl; ffl=1;break; } }if(ffl)break; }if(ffl)break; } if(ffl)continue; string ns;ns.clear(); for(int i=0;i<=1;i++){ for(int j=0;j<=1;j++){ ns.clear(); for(int k=1;k<=n;k++)ns+=i+'0'; ns+=j+'0'; for(int k=1;k<=n;k++)ns+=1-i+'0'; bool nfl=1; for(int k=1;k<=3;k++){ if(k!=i&&!fnd(k,ns)){ nfl=0;break; } } if(nfl){ cout<<ns<<endl; ffl=1;break; } ns.clear();ns+=j+'0'; for(int k=1;k<=n;k++)ns+=i+'0'; for(int k=1;k<=n;k++)ns+=1-i+'0'; nfl=1; for(int k=1;k<=3;k++){ if(k!=i&&!fnd(k,ns)){ nfl=0;break; } } if(nfl){ cout<<ns<<endl; ffl=1;break; } ns.clear(); for(int k=1;k<=n;k++)ns+=i+'0'; for(int k=1;k<=n;k++)ns+=1-i+'0';ns+=j+'0'; nfl=1; for(int k=1;k<=3;k++){ if(k!=i&&!fnd(k,ns)){ nfl=0;break; } } if(nfl){ cout<<ns<<endl; ffl=1;break; } } if(ffl)break; } } return 0; } /* 5 3 000111 001110 011100 2 0011 1001 0110 3 001011 101010 000111 3 001011 010101 110010 4 11010010 01010110 00011101 s1+=s1;s2+=s2;s3+=s3; // l0=l1=4*n; // for(int i=4*n-1;i>=0;i--){ // n1[0][i]=l0; // n1[1][i]=l1; // if(s1[i]=='0')l0=i; // else l1=i; // } // st[0][1]=l0;st[1][1]=l1; // l0=l1=4*n; // for(int i=4*n-1;i>=0;i--){ // n2[0][i]=l0; // n2[1][i]=l1; // if(s2[i]=='0')l0=i; // else l1=i; // } // st[0][2]=l0;st[1][2]=l1; // l0=l1=4*n; // for(int i=4*n-1;i>=0;i--){ // n3[0][i]=l0; // n3[1][i]=l1; // if(s3[i]=='0')l0=i; // else l1=i; // } // st[0][3]=l0;st[1][3]=l1; // int np=st[0][1],nq=st[0][2],nr=st[0][3],nans=0; // ans.clear(); // while(np<4*n&&nq<4*n&&nr<4*n){ // nans++;ans+=s1[np]; // if(max(n1[0][np],max(n2[0][nq],n3[0][nr]))<max(n1[1][np],max(n2[1][nq],n3[1][nr])))np=n1[0][np],nq=n2[0][nq],nr=n3[0][nr]; // else np=n1[1][np],nq=n2[1][nq],nr=n3[1][nr]; // } // if(nans>=2*n+1){ // for(int i=0;i<=2*n;i++)printf("%c",ans[i]);printf("\n"); // continue; // } // np=st[1][1],nq=st[1][2],nr=st[1][3],nans=0; // ans.clear(); // while(np<4*n&&nq<4*n&&nr<4*n){ // nans++;ans+=s1[np]; // if(max(n1[0][np],max(n2[0][nq],n3[0][nr]))<max(n1[1][np],max(n2[1][nq],n3[1][nr])))np=n1[0][np],nq=n2[0][nq],nr=n3[0][nr]; // else np=n1[1][np],nq=n2[1][nq],nr=n3[1][nr]; // } // // for(int i=0;i<=2*n;i++)printf("%c",ans[i]);printf("\n"); */
#include <bits/stdc++.h> using namespace std; int main() { int n,t; string s; cin >> t; for(int i=0; i<t; i++) { cin >> n >> s >> s >> s; for(int i=0; i<n; i++) cout << 0; for(int i=0; i<n; i++) cout << 1; cout << 0 << endl; } }
/* * @Author: RBQRBQ * @Date: 2020-11-16 10:14:40 * @LastEditors: RBQRBQ * @LastEditTime: 2020-11-16 10:36:16 */ #include<bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<int> VI; typedef pair<int,int> pii; namespace IO{ template<typename T>inline void read(T &x){ x=0;ll f=1;char ch=getchar(); while(!isdigit(ch)){if(ch=='-')f=-f;ch=getchar();} while(isdigit(ch)){x=x*10+ch-48;ch=getchar();} x=x*f; } } using namespace IO; const int maxn (200); string s[maxn]; double point[maxn]; int mp[maxn][maxn]; int dp[maxn][maxn]; int main() { int n; cin>>n; for(int i=1;i<=n;i++) { cin>>s[i]; s[i]=" "+s[i]; } for(int i=1;i<=n;i++) for(int j=1;j<=n;j++) if(s[i][j]=='1') mp[i][j]=1; for(int i=1;i<=n;i++) mp[i][i]=1; for(int k=1;k<=n;k++) for(int i=1;i<=n;i++) for(int j=1;j<=n;j++) mp[i][j]=mp[i][j]|(mp[i][k]&mp[k][j]); double ans=.0; for(int i=1;i<=n;i++) for(int j=1;j<=n;j++) point[i]+=mp[j][i]; for(int i=1;i<=n;i++){ ans+=(double)(1.0)/(double)(point[i]);} cout<<fixed<<setprecision(10); cout<<ans; return 0; }
#include<bits/stdc++.h> using namespace std; using ll = long long; using ii = pair<int,int>; #define ff first #define se second #define pb push_back #define all(x) (x).begin(),(x).end() const int mod = 1e9+7; const int inf = 1e9; const int mx = 1e6+5; int getsolve(int x){ int ans = 0; for(int i=-200; i<=x; i++){ int sum = 0; for(int j=i; j<=x; j++){ sum += j; if(sum >= x) break; }ans += (sum == x); }return ans; } int add(ll x){ if(x&1) return 1; return 0; } void solve(int cs){ // cout << "Case " << cs << ": "; ll x; cin >> x; ll ans = 0; for(int i=1; i*1LL*i<=x; i++){ if(x%i) continue; ans += add(i); if(i != (x/i)) ans += add(x/i); }ans <<= 1; cout << ans << "\n"; } int main(){ ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); int tc = 1, cs = 1; // cin >> tc; while(tc--) solve(cs++); return 0; }
#include<cstdio> #include<cstring> #include<algorithm> #include<iostream> #include<string> #include<vector> #include<stack> #include<bitset> #include<cstdlib> #include<cmath> #include<set> #include<list> #include<deque> #include<map> #include<queue> using namespace std; typedef long long ll; int main() { ll n,i,j,k; ll a=0,b=0,c=0; ll ci=0; ll cs=0; scanf("%lld",&n); while(n) { k=n%10; ci+=k; cs++; if(k%3==0) a++; if(k%3==1) b++; if(k%3==2) c++; n/=10; } //printf("%lld\n",cs); if(ci%3==0) printf("0\n"); else if(ci%3==1) { if(b>0) { cs--; if(cs) printf("1\n"); else printf("-1\n"); } else if(c>1) { cs-=2; if(cs) printf("2\n"); else printf("-1\n"); } else printf("-1\n"); } else { if(c>0) { cs--; if(cs) printf("1\n"); else printf("-1\n"); } else if(b>1) { cs-=2; if(cs) printf("2\n"); else printf("-1\n"); } else printf("-1\n"); } return 0; }
#include <bits/stdc++.h> #define endl '\n' using namespace std; typedef long long ll; int main() { ios_base::sync_with_stdio(0), cin.tie(0); #ifdef CLION freopen("in.txt", "rt", stdin); freopen("out.txt", "w", stdout); #endif int cnt = 0; int num; cin>>num; while (true){ if(num%100==0&&cnt!=0){ break; } cnt++; num++; } cout<<cnt<<endl; }
#include <cstdio> int n; int a[505]; int ans[250005],len; inline void swap(int &a,int &b) { int tmp=a; a=b; b=tmp; } int p=1; void doSwap(int pos) { if(p%2==1) { int x=0; if(2*x+1==pos || 2*x+2==pos) { x^=1; } swap(a[2*x+1],a[2*x+2]); ans[++len]=2*x+1; p++; }else { if(pos==2 || pos==3) { swap(a[4],a[5]); ans[++len]=4; p++; }else { swap(a[2],a[3]); ans[++len]=2; p++; } } } void sortSwap4() { if(a[4]==4) { return; } int pos=0; for(int j=1;j<=4;j++) { if(a[j]==4) { pos=j; break; } } if(pos==1) { if(p%2==0) { swap(a[2],a[3]); ans[++len]=2; p++; } swap(a[1],a[2]); ans[++len]=1; swap(a[2],a[3]); ans[++len]=2; swap(a[3],a[4]); ans[++len]=3; p++; }else if(pos==2) { if(p%2==1) { swap(a[3],a[4]); ans[++len]=3; p++; } swap(a[2],a[3]); ans[++len]=2; swap(a[3],a[4]); ans[++len]=3; }else if(pos==3) { if(p%2==0) { swap(a[2],a[3]); ans[++len]=2; swap(a[3],a[4]); ans[++len]=3; swap(a[2],a[3]); ans[++len]=2; swap(a[3],a[4]); ans[++len]=3; }else { swap(a[3],a[4]); ans[++len]=3; p++; } } } int main() { int T; scanf("%d",&T); while(T--) { scanf("%d",&n); for(int i=1;i<=n;i++) { scanf("%d",&a[i]); } if(n==2) { if(a[1]!=1) { swap(a[1],a[2]); printf("1\n1\n"); }else { printf("0\n\n"); } continue; } len=0; p=1; for(int i=n;i>=5;i--) { int pos=0; for(int j=1;j<=n;j++) { if(a[j]==i) { pos=j; break; } } if((pos%2==0 && p%2==1) || (pos%2==1 && p%2==0)) { doSwap(pos); } //printf("Value at position %d: %d\n",pos,a[pos]); for(int j=pos;j<i;j++) { swap(a[j],a[j+1]); ans[++len]=j; p++; } //printf("Stage 1 level %d: ",i); } //Sort 1-4 if(n>=4) { sortSwap4(); } //Sort 1-3 while(a[1]!=1 || a[2]!=2 || a[3]!=3) { if(p%2==1) { swap(a[1],a[2]); ans[++len]=1; p++; }else { swap(a[2],a[3]); ans[++len]=2; p++; } } printf("%d\n",len); for(int i=1;i<=len;i++) { printf("%d ",ans[i]); } printf("\n"); } return 0; }
#include <array> #include <cassert> #include <cmath> #include <cstdio> #include <cstring> #include <iostream> #include <iomanip> #include <string> #include <sstream> #include <vector> #include <queue> #include <stack> #include <list> #include <set> #include <map> #include <unordered_set> #include <unordered_map> #include <algorithm> #include <complex> #include <cmath> #include <numeric> #include <bitset> #include <functional> #include <random> #include <ctime> using namespace std; /* Defines begin */ #define fastio ios_base::sync_with_stdio(false), cin.tie(NULL) , cout.tie(NULL), cout<<fixed<<setprecision(20); #define w1 solve(); #define for0(i, n) for (int i = 0; i < (int)(n); ++i) // 0 based indexing #define for1(i, n) for (int i = 1; i <= (int)(n); ++i) // 1 based indexing #define forc(i, l, r) for (int i = (int)(l); i <= (int)(r); ++i) // closed interver from l to r r inclusive #define forr0(i, n) for (int i = (int)(n) - 1; i >= 0; --i) // reverse 0 based. #define forr1(i, n) for (int i = (int)(n); i >= 1; --i) // reverse 1 based #define tr(it, x) for(auto it = x.begin(); it != x.end(); it++) //traversal for vector, set, pair, map #define all(x) (x).begin(), (x).end() //Forward traversal #define rall(x) (x).rbegin, (x).rend() //reverse traversal #define cinvi0(a,n) vi a(n); for0(i,n) { cin>>a[i]; } #define cinvs0(s,n) vs s(n); for0(i,n) { cin>>s[i]; } #define cinvd0(a,n) vd a(n); for0(i,n) { cin>>a[i]; } //short hand for usual tokens #define pb push_back #define mp make_pair #define double long double #define fi first #define se second #define sz(x) ((int)(x).size()) #define endl '\n' //debugger #define LOCAL #ifdef LOCAL #define trace(...) __f(#__VA_ARGS__, __VA_ARGS__) #else #define trace(...) 42 #endif /* Defines end */ /* Constants begin */ const long long inf = 2e18 + 7; const long long mod = 1e9 + 7; const double eps = 1e-7; const double PI = 2*acos(0.0); const double E = 2.71828; /* Constants end */ /* Typedef begin */ typedef long long int ll; typedef pair<int, int> pii; typedef pair<ll,ll> pi; typedef pair<double, double> pdd; typedef vector<int> vi; typedef vector<ll> vl; typedef vector<double> vd; typedef vector<bool> vb; typedef vector<vi> vvi; typedef vector<string> vs; /* Typedef end */ /* Template begin */ //Short hand for token template <class T> using V = vector<T>; // all type of vector regardless of class template <class T> using VV = V<V<T>>; // all type of vector inside of vector regardless of class //Debugger stuff template <typename Arg1> void __f(const char* name, Arg1&& arg1) { cerr << name << ": " << arg1 << endl; } template <typename Arg1, typename... Args> void __f(const char* names, Arg1&& arg1, Args&&... args) { const char* comma = strchr(names + 1, ','); cerr.write(names, comma - names) << ": " << arg1 << " |"; __f(comma + 1, args...); } /* Template end */ //Set reminder // x << b is equal to x * (2)^b // x >> b is equal to x / (2)^b // bitset<8>(x) is equal to binary number of specific x void solve() { int n; cin >> n; int cnt = 0; int temp = 0; while(temp < n) { if(temp <= n) temp += 100; cnt++; } cout << cnt << "\n"; } auto main() -> int { fastio w1 return 0; }
#include<bits/stdc++.h> using namespace std; #define pb push_back #define ppb pop_back #define make make_pair #define FAST ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); typedef long long int ll; typedef double dd; #define test int t;cin>>t;while(t--) #define f(i,a,b) for(ll i=a;i<b;i++) #define fr(j,a,b) for(ll j=a;j>=b;j--) #define ln cout<<"\n"; #define se second #define fi first #define vll vector<ll> using namespace std; const ll mod=1e9+7; const ll MAX=LLONG_MAX; const ll MIN=LLONG_MIN; int main() {FAST; ll n,q; cin>>n>>q; ll a[n]; f(i,0,n) cin>>a[i]; ll pref[n]; for(ll i=0;i<n;i++) { if(i==0) { pref[i]=a[i]-1; } else { pref[i]=a[i]-1-(i); } } while(q--) { ll x; cin>>x; if(x>pref[n-1]) { cout<<a[n-1]+(x-pref[n-1])<<"\n"; } else { ll k=lower_bound(pref,pref+n,x)-pref; ll ans=(a[k]-1)-(pref[k]-x); cout<<ans<<"\n"; } } return 0; }
#include <bitset> #include <iostream> #include <climits> #include <vector> #include <algorithm> #include <cmath> #include <limits> #include <iomanip> #include <bitset> #include <stack> #include <algorithm> #include <iostream> #include <string> #include <map> #include <queue> #include <set> #include <stdio.h> #include <math.h> using namespace std; typedef long long ll; typedef vector<vector<int>> vvi; typedef vector<int> vi; typedef vector<string> vs; typedef vector<vector<string>> vvs; typedef vector<ll> vll; typedef vector<vector<ll>> vvll; #define mp(x, y) make_pair(x, y) typedef queue<int> qi; typedef queue<string> qs; #define rep(i, n) for(int i=0; i<(n); ++i) #define repp(i, a, b) for(int i = (a); i <= (b); i++) #define repm(i, n) for(int i=n; i >= 0; i--) #define all(v) v.begin(), v.end() //sort( all(v) ) などと使える //nが素数かをO(√n)で判断 bool is_prime(int n) { bool res = true; if (n == 1) return false; else if (n == 2) return true; else { for (int i = 2; i * i <= n; i++) { if (n % i == 0) { res = false; break; } } } return res; } int perm(int n, int r) { if (r == 1) return n; return n * perm(n - 1, r - 1); } int fact(int n) { if (n == 1) return 1; return fact(n - 1) * n; } int comb(int n, int r) { int a = min(n, r), b = max(n, r); return perm(a, b) / fact(a); } //aの逆元 (a^(-1))を求める ll inv_mod(ll a, ll mod) { ll b = mod, u = 1, v = 0; while (b) { ll t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } u %= mod; if (u < 0) u += mod; return u; } //n! ll fact_mod(ll n, ll mod) { ll f = 1; for (int i = 2; i <= n; i++) f = f * (i % mod) % mod; return f; } ll pow_mod(ll x, ll n, ll mod) { ll res = 1; while (n > 0) { if (n & 1) res = (res * x) % mod; x = (x * x) % mod; n >>= 1; } return res; } ll my_pow(ll x, ll n) { ll res = 1; while (n > 0) { if (n & 1) res = (res * x); x = (x * x); n >>= 1; } return res; } // nCr ll comb_mod(ll n, ll r, ll mod) { if (r > n - r) r = n - r; if (r == 0) return 1; ll a = 1; for (int i = 0; i < r; i++) a = a * ((n - i) % mod) % mod; ll b = pow_mod(fact_mod(r, mod), mod - 2, mod); return (a % mod) * (b % mod) % mod; } //bool v included in S bool contain(int v, int s) { return s & (1 << v); } //unionFind /* int n; struct unionFind{ vector<int> par,R; unionFind(int n){ par.resize(n); r.resize(n); init(n); } void init(int n){ for(int i = 0; i < n; i++) par[i] = i; for(int i = 0; i < n; i++) R[i] = 0; } int find(int x){ if(par[x] == x) return x; else return find(par[x]); } void unite(int x,int y){ rx = find(x); ry = find(y); if(rx == rx) return; if(R[rx] < R[ry]){ par[rx] = y; }else{ par[ry] = rx; if(R[rx] == R[ry]) R[rx]++; } } bool same(int x,int y){ return find(x) == find(y); } }; */ #define P pair<int, int> //int: 2,147,483,647; //ll 9,223,372,036,854,775,80 //小数点以下15コまで出力 //cout << fixed << setprecision(15); const int INF = 1e9; const ll LINF = 1e18; int main() { ll N; cin >> N; for (ll b = 1; b <= 26; b++) { if (my_pow(5, b) >= N) break; for (ll a = 1; a <= 38; a++) { if (my_pow(3, a) + my_pow(5, b) > N) break; if (my_pow(3, a) + my_pow(5, b) == N) { cout << a << " " << b << endl; return 0; } } } cout << -1 << endl; return 0; }
#pragma GCC optimize("Ofast") #include<bits/stdc++.h> using namespace std; //#include<boost/multiprecision/cpp_int.hpp> //#include<boost/multiprecision/cpp_dec_float.hpp> //namespace mp=boost::multiprecision; //#define mulint mp::cpp_int //#define mulfloat mp::cpp_dec_float_100 //#include<atcoder/all> //using namespace atcoder; struct __INIT{__INIT(){cin.tie(0);ios::sync_with_stdio(false);cout<<fixed<<setprecision(15);}} __init; #define max3(a,b,c) max(a,max(b,c)) #define min3(a,b,c) min(a,min(b,c)) #define INF (1<<30) #define LINF (lint)(1LL<<56) #define endl "\n" #define rep(i,n) for(lint (i)=0;(i)<(n);(i)++) #define reprev(i,n) for(lint (i)=(n-1);(i)>=0;(i)--) #define flc(x) __builtin_popcountll(x) #define pint pair<int,int> #define pdouble pair<double,double> #define plint pair<lint,lint> #define fi first #define se second #define all(x) x.begin(),x.end() #define vec vector<lint> #define nep(x) next_permutation(all(x)) typedef long long lint; typedef __int128_t llint; int dx[8]={1,1,0,-1,-1,-1,0,1}; int dy[8]={0,1,1,1,0,-1,-1,-1}; const int MAX_N=3e5+5; //vector<int> bucket[MAX_N/1000]; //constexpr int MOD=1000000007; constexpr int MOD=998244353; lint inverse(int *A,int N){ lint ans=0; lint a[N+1000]={}; rep(i,N){ for(int j=A[i];j;j-=(j&(-j))) ans-=a[j];ans+=i; for(int j=A[i];j<=N;j+=(j&(-j))) a[j]++; } return ans; } int main(void){ lint N; cin >> N; int A[N]; rep(i,N) cin >> A[i],A[i]++; lint ans=inverse(A,N); cout << ans << endl; rep(i,N-1){ ans+=N+1-A[i]*2; cout << ans << endl; } }
#include <bits/stdc++.h> #define rep(i,n) for (int i = 0; i < (n); i++) using namespace std; using ll = long long; using ull = unsigned long long; using P = pair<int, int>; const int INF = 1e9; const int MOD = 1000000007; const int dx[] = {-1,0,1,0}; const int dy[] = {0,-1,0,1}; // const int dx[] = {-1,-1,-1, 0, 0, 1, 1, 1}; const int dy[] = {-1, 0, 1,-1, 1,-1, 0, 1}; #define PI 3.14159265358979323846264338327950L // static const double e = 2.718281828459045; //cout << fixed << setprecision(10) << ans << endl; vector<ll> A, B; struct UnionFind { vector<int> par, rnk, mem; vector<ll> sum_a, sum_b; UnionFind(int n) { par.resize(n); fill(par.begin(), par.end(), -1); rnk.resize(n); fill(rnk.begin(), rnk.end(), 0); mem.resize(n); fill(mem.begin(), mem.end(), 1); sum_a.resize(n); rep(i, n) sum_a[i] = A[i]; sum_b.resize(n); rep(i, n) sum_b[i] = B[i]; } int root(int x) { if (par[x] < 0) return x; else return par[x] = root(par[x]); } bool issame(int x, int y) { return root(x) == root(y); } void merge(int x, int y) { x = root(x); y = root(y); if (x == y) return; if (rnk[x] < rnk[y]) { par[x] = y; mem[y] += mem[x]; sum_a[y] += sum_a[x]; sum_b[y] += sum_b[x]; } else { par[y] = x; mem[x] += mem[y]; sum_a[x] += sum_a[y]; sum_b[x] += sum_b[y]; if (rnk[x] == rnk[y]) rnk[x]++; } } int size(int x) { return mem[root(x)]; } ll size_a(int x) { return sum_a[root(x)]; } ll size_b(int x) { return sum_b[root(x)]; } }; int main() { int N, M; cin >> N >> M; A.resize(N); B.resize(N); rep(i, N) cin >> A[i]; rep(i, N) cin >> B[i]; UnionFind uf(N); rep(i, M) { int c, d; cin >> c >> d; c--; d--; uf.merge(c, d); } int flg = 1; rep(i, N) { if (uf.size_a(i) != uf.size_b(i)) flg = 0; } if (flg == 1) cout << "Yes" << endl; else cout << "No" << endl; }
#include <algorithm> #include <iostream> #include <stack> #include <queue> #include <math.h> #include <cmath> #include <string> #include <string.h> #include <iterator> #include <map> #include <set> #include <iomanip> #include <vector> #include <cstdint> #include <time.h> using namespace std; using ll = long long; using ld = long double; using P = pair<ll, ll>; #define rep(i, N) for (int i = 0; i < N; i++) #define rep2(i, l, r) for (ll i = (ll)l; i < (ll)(r); i++) #define INF 1000000000 #define MAX 200001 #define PI 3.141592653589793 #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") const ll MOD = 1000000007; /*clock_t start = clock(); clock_t end = clock(); const double time = static_cast<double>(end - start) / CLOCKS_PER_SEC * 1000.0; printf("%lf", time);*/ template <typename T > inline string toString(const T &a) {ostringstream oss; oss << a; return oss.str();}; int main(){ int N,M,T; cin >> N >> M >> T; int MAX_N = N; int now = 0; rep(i,M){ int A,B; cin >> A >> B; N -= A-now; if(N <= 0){ cout << "No" << endl; return 0; } N += B-A; N = min(MAX_N,N); now = B; if(i == M-1 && N <= T-B){ cout << "No" << endl; return 0; } } cout << "Yes" << endl; }
#include <iostream> #include <bits/stdc++.h> using namespace std; int main() { int n,m,t; cin>>n>>m>>t; int prev_t = 0; int curr = n; for(int i=0;i<m;i++){ int a, b; cin>>a>>b; curr = max(curr-(a-prev_t)*1,0); if(curr==0){ cout<<"No"<<endl; return 0; } curr = min(curr+(b-a)*1, n ); prev_t = b; } curr = curr - (t-prev_t)*1; if(curr>0) cout<<"Yes"; else cout<<"No"; return 0; }
#include <iostream> #include <vector> #include <set> using namespace std; using pairint = pair<int, int>; int main(void){ int N, M, Abuf, Bbuf; vector<int> dp; vector<vector<int>> cgroups; vector<pairint> upperbits; vector<int> birank; cin >> N >> M; int numid = 1<<N; upperbits.assign(numid, pairint(0, 0)); birank.assign(numid, 0); cgroups.assign(N, {}); for(int i=0; i<N; i++)upperbits[1<<i].first=i; for(int i=1; i<numid; i++){ if(upperbits[i].first==0)upperbits[i].first=upperbits[i-1].first; upperbits[i].second=upperbits[i-(1<<upperbits[i].first)].first; birank[i]=birank[i-(1<<upperbits[i].first)]+1; } dp.assign(numid, 0); for(int i=1; i<numid; i<<=1){ dp[i]=1; for(int j=i<<1; j<numid; j<<=1)dp[i+j]=2; } for(int i=0; i<M; i++){ cin >> Abuf >> Bbuf; Abuf--; Bbuf--; int id = (1<<Abuf)+(1<<Bbuf); dp[id]=1; cgroups[Bbuf].push_back(id); } for(int i=1; i<numid; i++){ if(dp[(1<<upperbits[i].first)+(1<<upperbits[i].second)]!=1)continue; if(dp[i-(1<<upperbits[i].first)]!=1)continue; if(dp[i-(1<<upperbits[i].second)]!=1)continue; dp[i]=1; cgroups[upperbits[i].first].push_back(i); } for(int i=3; i<numid; i++){ if(dp[i]==1)continue; int j = 1<<upperbits[i].first; if(dp[i-j]==1){ dp[i]=2; continue; } bool dividable = false; for(int id: cgroups[upperbits[i].first]){ int jd = id-j; if(jd != (i&jd))continue; int kd = i&(~id); if(dp[jd+kd] == dp[kd]+1){ dp[i] = dp[kd]+1; dividable = true; break; } } if(!dividable)dp[i] = dp[i-j]+1; } cout << dp[numid-1] << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; #define loop(i,n) for(ll i=0;i<n;i++) #define loop1(i,n) for(ll i=1;i<=n;i++) #define fast_az_fck ios_base::sync_with_stdio(false);cin.tie(NULL); #define mod 1000000007 struct custom_hash { static uint64_t splitmix64(uint64_t x) { // http://xorshift.di.unimi.it/splitmix64.c x += 0x9e3779b97f4a7c15; x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9; x = (x ^ (x >> 27)) * 0x94d049bb133111eb; return x ^ (x >> 31); } size_t operator()(uint64_t x) const { static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count(); return splitmix64(x + FIXED_RANDOM); } }; //template<class T, class H>using umap=unordered_map<T,H,custom_hash>; void init_code() { fast_az_fck #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif // ONLINE_JUDGE } int main() { init_code(); ll t=1; //cin>>t; while(t--) { ll a,b;cin>>a>>b; if(a>=b) { ll sum1=(a*(a+1))/2; ll sum2=-sum1; ll sum3=-((b*(b-1))/2); for(ll i=1;i<=a;i++) { cout<<i<<" "; } for(ll i=-1;i>-b;i--) { cout<<i<<" "; } cout<<(sum2-sum3); } else { ll sum1=-((b*(b+1))/2); ll sum2=-sum1; ll sum3=((a*(a-1))/2); for(ll i=-1;i>=-b;i--) { cout<<i<<" "; } for(ll i=1;i<a;i++) { cout<<i<<" "; } cout<<(sum2-sum3); } } }
#include <bits/stdc++.h> using namespace std; #define REP(i, n) for (int i = 0; i < (int)(n); i++) typedef long long ll; typedef pair<int, int> P; const int INF = 1e9; const ll MOD = 1000000007; int main() { int n, m; cin >> n >> m; vector<int> w(n); vector<int> sums(1 << n), mn(1 << n); REP(i, n) cin >> w[i]; int mx = *max_element(w.begin(), w.end()); for (int s = 0; s < (1 << n); s++) { int x = 0; REP(j, n) if (s >> j & 1) x += w[j]; sums[s] = x; } REP(i, m) { int l, v; cin >> l >> v; if (v < mx) { cout << -1 << endl; return 0; } for (int s = 0; s < (1 << n); ++s) if (sums[s] > v) mn[s] = max(mn[s], l); } int ans = 1e9; vector<int> perm(n); iota(perm.begin(), perm.end(), 0); do { vector<int> pos(n); REP(i, n) { int s = 1 << perm[i]; for (int j = i - 1; j >= 0; j--) { s |= 1 << perm[j]; pos[i] = max(pos[i], pos[j] + mn[s]); } } ans = min(ans, pos[n - 1]); } while (next_permutation(perm.begin(), perm.end())); cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; const int INF = 1000000000; int main(){ int N, M; cin >> N >> M; vector<int> w(N); for (int i = 0; i < N; i++){ cin >> w[i]; } vector<int> l(M), v(M); for (int i = 0; i < M; i++){ cin >> l[i] >> v[i]; } vector<pair<int, int>> P(M + 1); for (int i = 0; i < M; i++){ P[i] = make_pair(v[i], l[i]); } P[M] = make_pair(0, 0); sort(P.begin(), P.end()); for (int i = 0; i < M; i++){ P[i + 1].second = max(P[i + 1].second, P[i].second); } int wmax = *max_element(w.begin(), w.end()); int vmin = *min_element(v.begin(), v.end()); if (wmax > vmin){ cout << -1 << endl; } else { long long ans = INF; vector<int> p(N); for (int i = 0; i < N; i++){ p[i] = i; } while (1){ vector<long long> w2(N); for (int i = 0; i < N; i++){ w2[i] = w[p[i]]; } vector<long long> S(N + 1); S[0] = 0; for (int i = 0; i < N; i++){ S[i + 1] = S[i] + w2[i]; } vector<long long> x(N); x[0] = 0; for (int i = 1; i < N; i++){ long long minx = x[i - 1]; for (int j = 0; j < i; j++){ int wsum = S[i + 1] - S[j]; auto itr = lower_bound(P.begin(), P.end(), make_pair(wsum, -INF)) - 1; long long d = (*itr).second; minx = max(minx, x[j] + d); } x[i] = minx; } ans = min(ans, x[N - 1]); if (!next_permutation(p.begin(), p.end())){ break; } } cout << ans << endl; } }
#include <bits/stdc++.h> #define fi first #define se second #define pb push_back #define int long long #define F(i, n) for (int i = 0; i < n; i++) #define all(x)(x).begin(), (x).end() #define show(A) for (auto i: A) cout << i << " "; cout << '\n'; #define show_(A, n) F(i, n) { show(A[i]) } using namespace std; using ld = long double; using vi = vector < int > ; using mi = map < int, int > ; using pi = pair < int, int > ; const int N = 100005; const int MOD = 1e9 + 7; const int inf = 1e18 + 1; /***************************code begins here*****************************/ vector<vi> adj; void dijkstra(int s, vector<int> & d, vector<int> & p) { int n = adj.size(); d.assign(n, 1e9); p.assign(n, -1); d[s] = 0; set<pair<int, int>> q; q.insert({0, s}); while (!q.empty()) { int v = q.begin()->second; q.erase(q.begin()); for (auto edge : adj[v]) { int to = edge; int len = 1; if (d[v] + len < d[to]) { q.erase({d[to], to}); d[to] = d[v] + len; p[to] = v; q.insert({d[to], to}); } } } } void solve() { int n,m,k, ans = inf; cin >> n >> m; adj.resize(n+1); F(i, m){ int x,y; cin >> x >> y; adj[x].pb(y); adj[y].pb(x); } cin >> k; vector<int> c(k+1); vector<vi> dis(k+1); vector<vi> vis(k+1); F(i, k){ cin >> c[i+1]; dijkstra(c[i+1],dis[i+1],vis[i+1]); } int dp[(1ll<<k)][k+1]; for(int i=0;i<(1ll<<k);i++){ for(int j=0;j<=k;j++){ dp[i][j]=1e9; } } for(int i=0;i<k;i++){ dp[(1ll<<i)][i+1]=1; } for(int i=0;i<(1ll<<k);i++){ for(int j=0;j<k;j++){ if((i&(1ll<<j))==0) continue; int t = (i^(1ll<<j)); for(int l=0;l<k;l++){ if((t&(1ll<<l))==0) continue; dp[i][j+1] = min(dp[i][j+1],dp[t][l+1] + dis[l+1][c[j+1]]); } } } for(int i=1;i<=k;i++){ ans = min(ans,dp[(1ll<<k)-1][i]); } ans = (ans>=1e9) ? -1 : ans; cout << ans << '\n'; } int32_t main() { ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); int t = 1; // cin >> t; while (t--) solve(); return 0; }
#include<bits/stdc++.h> #include<bits/extc++.h> #pragma GCC optimize("Ofast") using namespace std; using namespace __gnu_pbds; #ifdef DEBUG #define debug(x) {{cerr<<#x<<": "; cerr<<x<<endl;}} #define debugv(x) {{cerr<<#x<<": "; for(auto i:x) cerr<<i<<" "; cerr<<endl;}} #else #define debug(x) #define debugv(x) #define cerr while(0) cerr #endif #define int long long mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> ordered_set; typedef long long ll; typedef vector<int> vi; typedef pair<int, int> pii; #define priority_queue std::priority_queue #define F first #define S second ll INF=1e15; vi adj[100005], v; bool vis[100005]; ll dp[150000][20], dist[20][100005]; void bfs(int src, int idx){ memset(vis, false, sizeof vis); for(int i=0;i<100005;i++) dist[idx][i]=INF; dist[idx][src]=0; queue<int> q; q.push(src); vis[src]=true; while(!q.empty()){ int x=q.front(); q.pop(); for(int y:adj[x]){ if(vis[y]) continue; q.push(y); vis[y]=true; assert(dist[idx][y]==INF); dist[idx][y]=dist[idx][x]+1; } } } signed main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); memset(dp, -1, sizeof dp); int n, m; cin>>n>>m; for(int i=1;i<=m;i++){ int x, y; cin>>x>>y; adj[x].push_back(y); adj[y].push_back(x); } int k; cin>>k; for(int i=0;i<k;i++) dp[1<<i][i]=1; for(int i=1;i<=k;i++){ int x; cin>>x; v.push_back(x); bfs(x, i-1); } vi cur; for(int i=1;i<(1<<k);i++){ cur.clear(); if(dp[i][(int)(log2(i))]!=-1) continue; for(int j=0;j<k;j++){ if(i&(1<<j)) cur.push_back(j); } cerr<<i<<" "; for(int j:cur){ dp[i][j]=INF; for(int k:cur){ if(j==k) continue; dp[i][j]=min(dp[i][j], dp[i^(1<<j)][k]+dist[j][v[k]]); } cerr<<dp[i][j]<<" "; } cerr<<endl; } ll ans=INF; for(int i=0;i<k;i++){ ans=min(ans, dp[(1<<k)-1][i]); } if(ans>=INF){ cout<<-1<<endl; return 0; } cout<<ans<<endl; }
#include <bits/stdc++.h> #define f(i,j,k) for(long long i=j;i<k;i++) #define f2(i,j,k) for(long long i=j;i>=k;i--) #define ll long long using namespace std; int main(){ bool j=true; ll n,m,c,d; cin>>n>>m; ll a[n],b[n],ansa=0,ansb=0; vector <ll>now(n,0); f(i,0,n){ cin>>a[i]; } f(i,0,n){ cin>>b[i]; if(a[i]!=b[i]){ j=false; } } f(i,0,m){ cin>>c>>d; if(now[c-1]==0){ ansa+=a[c-1]; ansb+=b[c-1]; now[c-1]++; } if(now[d-1]==0){ ansa+=a[d-1]; ansb+=b[d-1]; now[d-1]++; } } if(ansa==ansb&&ansa!=0){ cout<<"Yes"<<endl; } else if(j){ cout<<"Yes"<<endl; } else{ cout<<"No"<<endl; } return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int n; string s; cin >> n >> s; vector<int> a(n + 1); for (auto& e : a) cin >> e; for (int k = *max_element(a.begin(), a.end()); k >= 1; k--) { bool valid = true; for (int i = 0; valid && i < n; i++) { int l1 = a[i] / k, l2, l3; int r1 = a[i + 1] / k, r2, r3; l2 = l3 = l1; r2 = r3 = r1; if (a[i] % k > a[i + 1] % k) l2++; if (a[i] % k < a[i + 1] % k) r2++; if (a[i] % k != 0) l3++; if (a[i + 1] % k != 0) r3++; if (s[i] == '<') { valid = valid && l1 < r1 && l2 < r2 && l3 < r3; } else { valid = valid && l1 > r1 && l2 > r2 && l3 > r3; } } if (!valid) continue; cout << k << endl; for (int j = 0; j < k; j++) { for (int i = 0; i < n + 1; i++) cout << a[i] / k + (j < a[i] % k ? 1 : 0) << ' '; cout << endl; } return 0; } return 1; }
#include <bits/stdc++.h> using namespace std; using Int = long long; #define PUTS(x) std::cout << (x) << endl; #define rep(i, n) for (int i = 0, i##_len = (int)(n); i < i##_len; i++) #define rep3(i, m, n) for (int i = (int)(m), i##_len = (int)(n); i < i##_len; i++) template <typename T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } const Int INF = 1000000000; struct Node { vector<Int> to; Int dist = INF; }; int main() { Int n, m; cin >> n >> m; auto G = vector<Node>(n); rep(i, m) { Int a, b; cin >> a >> b; a--; b--; G[a].to.push_back(b); G[b].to.push_back(a); } Int k; cin >> k; auto C = vector<Int>(); rep(i, k) { Int c; cin >> c; c--; C.push_back(c); } auto M = 1; rep(i, k) { M *= 2; } // d[i][j]: C[i] -> C[j] の最短距離 を記録 auto d = vector<vector<Int>>(k, vector<Int>(k, 0)); rep(i, k - 1) { auto g = G; g[C[i]].dist = 0; auto q = queue<Int>(); q.push(C[i]); while (!q.empty()) { auto j = q.front(); auto &node = g[j]; q.pop(); for (auto p : node.to) { auto oldValue = g[p].dist; auto newValue = g[j].dist + 1; if (newValue < oldValue) { g[p].dist = newValue; q.push(p); } } } rep3(j, i + 1, k) { d[i][j] = g[C[j]].dist; d[j][i] = d[i][j]; } } // dp[i][bits] : 既に訪れた頂点の集合が bits かつ今C[i]にいるという条件を満たす最小工程 // bits は右からjビット目がC[j]を既に訪れていることを示す(C[i]自身も「既に訪れた」扱いにする) auto dp = vector<vector<Int>>(k, vector<Int>(M, INF)); // 配るdp function<void(Int, Int)> dfs = [&](Int current, Int bits) { rep(i, k) { if (((1 << i) & bits) == 0) { // まだ訪れていないC[i]について auto nextBits = (1 << i) | bits; // C[i]を次に訪れた場合の bit flag auto oldValue = dp[i][nextBits]; auto newValue = dp[current][bits] + d[current][i]; if (newValue < oldValue) { // 最短記録が更新されたらそこから再度DFS dp[i][nextBits] = newValue; dfs(i, nextBits); } } } }; // 初期値設定(C[i] のみの列はコスト1扱い) rep(i, k) { dp[i][1 << i] = 1; } // スタート rep(i, k) { dfs(i, 1 << i); } Int ans = INF; rep(i, k) { // M-1 = [11111...]_2 は全てのC[j]を訪れたフラグ。dp[i][M-1]は全てのC[j]を訪れて最後にC[i]に至る場合の最短列の長さを示す。 chmin(ans, dp[i][M - 1]); } PUTS(ans == INF ? -1 : ans) }
#include <bits/stdc++.h> using namespace std; const int maxn = 1e5 + 10; const int maxk = 17; const int maxs = (1 << maxk) + 10; const int INF = 0x3f3f3f3f; int n, m, k; vector<int> E[maxn]; int c[maxk], dis[maxn], a[maxk][maxk], f[maxk][maxs]; void bfs(int x) { memset(dis, 0x3f, sizeof dis); queue<int> Q; Q.push(x); dis[x] = 0; while(!Q.empty()) { x = Q.front(); Q.pop(); for(auto v : E[x]) if(dis[v] == INF) { dis[v] = dis[x] + 1; Q.push(v); } } } int main() { scanf("%d%d", &n, &m); for(int i = 1; i <= m; ++i) { int u, v; scanf("%d%d", &u, &v); E[u].push_back(v); E[v].push_back(u); } scanf("%d", &k); for(int i = 0; i < k; ++i) scanf("%d", &c[i]); for(int i = 0; i < k; ++i) { bfs(c[i]); for(int j = 0; j < k; ++j) a[i][j] = dis[c[j]]; } const int S = (1 << k) - 1; memset(f, 0x3f, sizeof f); for(int i = 0; i < k; ++i) f[i][1 << i] = 0; for(int s = 1; s <= S; ++s) for(int i = 0; i < k; ++i) if(s & (1 << i)) { for(int j = 0; j < k; ++j) if(i != j && (s & (1 << j))) f[i][s] = min(f[i][s], f[j][s ^ (1 << i)] + a[j][i]); } int ans = INF; for(int i = 0; i < k; ++i) ans = min(ans, f[i][S] + 1); printf("%d\n", ans == INF ? -1 : ans); return 0; }
#include <iostream> #include <math.h> typedef long double ld; typedef long long ll; using namespace std; const ld eps = 1e-12; int main() { ll n; cin >> n; ll L = 1, R = 2e9; while (L != R) { ll M = (L + R + 1) / 2; ll val = M * (M + 1) / 2; if (val <= n + 1) L = M; else R = M - 1; } cout << n - L + 1; return 0; }
#include <bits/stdc++.h> using namespace std; //#include <ext/pb_ds/assoc_container.hpp> //using namespace __gnu_pbds; //typedef tree <int,null_type,less <int>, rb_tree_tag, tree_order_statistics_node_update> indexed_set; // #include <ext/rope> // using namespace __gnu_cxx; typedef long long int ll; typedef long double ld; #define FAST \ ios::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); #define rep(g, i, n) for (ll g = i; g < n; g++) #define rev(g, n, i) for (ll g = n - 1; g >= i; g--) #define all(v) v.begin(), v.end() #define pb push_back #define mxe(v) *max_element(v.begin(), v.end()) #define mne(v) *min_element(v.begin(), v.end()) #define ve vector #define lb lower_bound #define ub upper_bound #define bb break #define cc continue #define rem 1000000007 #define PI 3.141592653589793238462643383279502 ll power(ll x, ll y, ll p) { ll res = 1; // Initialize result x = x % p; // Update x if it is more than or while (y > 0) { if (y & 1) res = (res * x) % p; y = y >> 1; // y = y/2 x = (x * x) % p; } return res; } ll modInverse(ll n, ll p) { return power(n, p - 2, p); } struct point { ll x, y; }; int main() { FAST // freopen("input1.txt", "r", stdin); // freopen("output.txt", "w", stdout); /*ll tests; cin>>tests; rep (gg,0,tests) {}*/ ll n; cin>>n; ld val=17+8*n; val=sqrt(val); val-=3; val/=2; ll z=val; ll low=max(z-100,(ll)1); ll high=z+100; ll ans=1e18; rep (i,low,high) { ll s=(i*(i+1))/2; ll cnt=i; if (s>n+1) { break; } if (n+1-s>i) { ans=min(ans,n-(i+1)+1); } else { ans=min(ans,n-i+1); } } cout<<ans<<"\n"; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using vec = vector<ll>; using mat = vector<vec>; using pll = pair<ll,ll>; #define INF (1LL << 60) #define MOD 1000000007 #define PI 3.14159265358979323846 #define REP(i,m,n) for(ll (i)=(m),(i_len)=(n);(i)<(i_len);++(i)) #define FORR(i,v) for(auto (i):v) #define ALL(x) (x).begin(), (x).end() #define PR(x) cout << (x) << endl #define PS(x) cout << (x) << " " #define SZ(x) ((ll)(x).size()) #define MAX(a,b) (((a)>(b))?(a):(b)) #define MIN(a,b) (((a)<(b))?(a):(b)) #define REV(x) reverse(ALL((x))) #define ASC(x) sort(ALL((x))) #define DESC(x) ASC((x)); REV((x)) #define pb push_back #define eb emplace_back int main() { ll a, b, c, d; cin >> a >> b >> c >> d; PR(a*d-b*c); return 0; } /* */
#include <iostream> #include <stdio.h> #include <cstring> #include <cstdio> #include <math.h> #include <algorithm> #include <vector> #include <string> #include <stdlib.h> #include <queue> #include <stack> #include <utility> #include <fstream> //#include <random> #include <map> #include <unordered_map> #include <cstdlib> #include <functional> #include <time.h> //#include <chrono> #include <sstream> #include <iomanip> #include <numeric> #include <iostream> #include <limits> #include <numeric> #include <sstream> // std::stringstream #include <bitset> // std::bitset<N> //#include <type_traits> //#include <atcoder/scc> #define ll long long #define rep(i,n) for(ll i=0;i<n;i++) #define rrep(i,n) for(ll i=n-1;i>=0;i--) #define FOR(i,a,b) for(ll i=a;i<b;i++) #define RFOR(i,a,b) for(ll i=b-1;i>=a;i--) #define INF 1000000001 #define MOD 1000000007 #define SORT(s) sort(s.begin(), s.end()); #define REVERSE(s) reverse(s.begin(), s.end()); #define SUM(s) accumulate(s.begin(), s.end(), 0LL); #define P pair<ll,ll> #define mp make_pair #define valid(x,y,h,w) (0<=x&&x<h&&0<=y&&y<w) //#define vint vector<int> //#define vvint vector<vector<int>> #define vll vector<ll> #define vvll vector<vector<ll>> #define ALL(a) (a).begin(),(a).end() //#define int ll ll dx[4] = { 0,1,0,-1 }; ll dy[4] = { 1,0,-1,0 }; ll ndx[8] = { 0,1,0,-1, 1,1,-1,-1 }; ll ndy[8] = { 1,0,-1,0, 1,-1,-1,1 }; double pi = 3.141592653589793; using namespace std; int main() { int n; cin >> n; vll a(n); rep(i, n) { cin >> a[i]; } SORT(a); vll im(n); rep(i, n) { if (i == 0) { im[0] = a[0]; } else { im[i] = im[i - 1] + a[i]; } } //x=0 ll ans = im[n - 1] * 2; rep(i, n) { ll x2 = a[i]; ans = min(ans, n * x2 + im[n - 1] * 2 - 2 * (im[i] + x2 * (n - i - 1))); } cout << std::fixed << std::setprecision(15) << (double)ans / (n*2) << endl; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; #define fi first #define se second #define pb push_back #define mp make_pair int main(){ ios_base::sync_with_stdio(0); cin.tie(0); ll n; cin>>n; vector<ll> t(n),p(n),s(n); ll ans=1e9; ll none=1; for(int i=0; i<n; i++){ cin>>t[i]>>p[i]>>s[i]; if(s[i]-t[i]>0){ none=0; ans = min(ans,p[i]); } } if(none==0) cout<<ans; else cout<<-1; }
#include<bits/stdc++.h> #define INF 7F7F7F7F7F7F7F7F using namespace std; typedef long long ll; int main(){ std::ios::sync_with_stdio(false); std::cin.tie(0); #ifdef LOCAL freopen("input.txt","r",stdin); //freopen("output.txt","w",stdout); clock_t start,end; start = clock(); #endif void work(); work(); #ifdef LOCAL end = clock(); cout<<"运行时间"<<(double)(end-start)<<"ms"<<endl; #endif return 0; } int n,m; vector<pair<int, int>> mmap[2005]; // bool operator < (const pair<int, int>& i,const pair<int, int>& j){ // return i.second<j.second; // } void work(){ cin>>n>>m; int a,b,c; while(m--){ cin>>a>>b>>c; mmap[a].push_back(make_pair(b,c)); } for(int i=1;i<=n;i++){ vector<int> d(n+1,(int)1e9); d[i]=0; priority_queue<pair<int, int>, vector<pair<int, int>>,greater<pair<int, int>> > pq; pq.push(make_pair(d[i],i)); int ans=1e9; int flag=0; while(!pq.empty()){ auto topp=pq.top();pq.pop(); // cout<<topp.second<<endl; for(auto j:mmap[topp.second]){ if(j.first==i) { ans=min(d[topp.second]+j.second,ans); } if(d[j.first]>d[topp.second]+j.second){ d[j.first]=d[topp.second]+j.second; pq.push(make_pair(d[j.first],j.first)); } } if(ans<d[topp.second]) break; } if(ans!=int(1e9)) cout<<ans<<endl; else cout<<-1<<endl; } }
#include <algorithm> #include <cmath> #include <cstdio> #include <deque> #include <iomanip> #include <iostream> #include <numeric> #include <queue> #include <string> #include <utility> #include <vector> using namespace std; #define ALL(a) (a).begin(), (a).end() #define min_e(v) *min_element(ALL(v)) #define max_e(v) *max_element(ALL(v)) #define order(neq_sl) [](const auto s, const auto l){return neq_sl;} #define make_lr(v,type,l,r) vector<type> l(n+1),r(n+1);FOR(i,n){l[i+1]=l[i]+v[i];r[i+1]=r[i]+v[n-1-i];} #define acm accumulate #define SUM(v) accumulate(ALL(v), 0l) #define SORT(v) sort(ALL(v)) #define P 1000000007 long powP (long a, long b) { if (b == 1) return a; else if (b == 0) return 1; else if (b < 0) return powP(a, P - 1 + b); else { long b2 = powP(a, b/2); b2*=b2; b2%=P; return (b2 * powP(a, b%2)) % P; } } template <typename T> using vec = vector<T>; template <typename T> using vvec = vector<vector<T>>; /* template <typename T> T gcd(T a, T b) { if (a > b) swap(a, b); if (a == 0) return b; return gcd(b%a, a); } template <typename InputItr, typename T> T gcd(InputItr first, InputItr last, T init) { for (; first != last; ++first) init = gcd(init, *first); return init; } template <typename T> T lcm(T a, T b) { return (a * b / gcd(a, b)) % P; } template <typename InputItr, typename T> T lcm(InputItr first, InputItr last, T init) { for (; first != last; ++first) init = lcm(init, *first); return init; } #define GCD(v) gcd(ALL(v), 0l) #define LCM(v) lcm(ALL(v), 1l) */ //#define x first //#define y second int main() { vec<int> p(3); cin>>p[0]>>p[1]>>p[2]; SORT(p); if (p[1]==0) cout<<100-p[2]; else if (p[0]==0) { vvec<double> v(101, vec<double>(101)); v[100][100]=0; for (int i = 99; i >= p[1]; i--) { for (int j = 99; j >= p[2]; j--) { v[i][j] = (v[i+1][j]*i+v[i][j+1]*j)/(i+j)+1; } } cout<<setprecision(12)<<v[p[1]][p[2]]; } else { vec<vvec<double>> v(101, vvec<double>(101, vec<double>(101))); v[100][100][100]=0; for (int i = 99; i >= p[0]; i--) { for (int j = 99; j >= p[1]; j--) { for (int k = 99; k >= p[2]; k--) { v[i][j][k] = (v[i+1][j][k]*i+v[i][j+1][k]*j+v[i][j][k+1]*k)/(i+j+k)+1; } } } cout<<setprecision(12)<<v[p[0]][p[1]][p[2]]; } return 0; }
#include <iostream> #include <cmath> #include <stdio.h> #include <string.h> #include <bits/stdc++.h> #include <vector> #include <array> #include <tuple> using namespace std; int main() { int A, B, C; cin >> A >> B >> C; double p[101][101][101]; for (int i=0; i<=100; i++){ for (int j=0; j<=100; j++){ p[i][j][100]=0.0; p[i][100][j]=0.0; p[100][i][j]=0.0; } } for (int i=0; i<=99; i++){ for (int j=0; j<=99; j++){ for (int k=0; k<=99; k++){ p[99-i][99-j][99-k]=(p[99-i+1][99-j][99-k]+1)*(99-i)/(297-(i+j+k))+(p[99-i][99-j+1][99-k]+1)*(99-j)/(297-(i+j+k))+(p[99-i][99-j][99-k+1]+1)*(99-k)/(297-(i+j+k)); } } } cout << fixed << setprecision(6) << p[A][B][C] << endl; }
#include <bits/stdc++.h> using namespace std; #define REP(i, a, b) for (int i = (int)(a); i < (int)(b); i++) #define rep(i, n) REP(i, 0, n) #define rrep(i, n) for (int i = (int)(n-1); i >= 0; i--) #define sz(x) int(x.size()) #define bitsz(x) int(__builtin_popcount(x)) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define pb(x) push_back(x) #define INF 1e9 #define LINF 1e18 template<class T> inline bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T &a, const T &b) { if (a > b) { a = b; return 1; } return 0; } template < typename T > inline string toString( const T &a ) { ostringstream oss; oss << a; return oss.str(); }; typedef long long ll; typedef pair<int, int> P; typedef pair<ll, ll> LP; const int di[4] = {1,0,-1,0}; const int dj[4] = {0,1,0,-1}; const int mod = 1000000007; //const int mod = 998244353; //cout << fixed << setprecision(15); int main() { ll r1,c1,r2,c2; cin >> r1 >> c1 >> r2 >> c2; if (r1==r2 && c1==c2) { cout << 0 << endl; return 0; } if (r1+c1 == r2+c2 || r1-c1 == r2-c2 || abs(r1-r2)+abs(c1-c2) <= 3) { cout << 1 << endl; return 0; } if ((r1+c1)%2 == (r2+c2)%2 || abs(r1-r2)+abs(c1-c2) <= 6 || abs((r1+c1)-(r2+c2)) <= 3 || abs((r1-c1)-(r2-c2)) <= 3) { cout << 2 << endl; } else { cout << 3 << endl; } }
#include <bits/stdc++.h> using namespace std; typedef long long ll; const ll MOD = 1e9 + 7; ll tt(ll n) { ll res = 1; for(ll i = 0; i < n; i++) { res *= 2; res %= MOD; } return res; } int main() { ll N; cin >> N; char c1, c2, c3, c4; cin >> c1 >> c2 >> c3 >> c4; vector<ll> fib(1200); fib.at(0) = 0; fib.at(1) = 1; for(ll i = 2; i < 1100; i++) { fib.at(i) = fib.at(i - 1) + fib.at(i - 2); fib.at(i) %= MOD; } if(c1 == 'A' && c4 == 'B') { cout << 1 << endl; return 0; } if(c1 == 'A' && c2 == 'A') { cout << 1 << endl; return 0; } if(c2 == 'B' && c4 == 'B') { cout << 1 << endl; return 0; } if(c2 == 'B' && c3 == 'A' && c4 == 'A') { cout << tt(N - 3) << endl; return 0; } if(c1 == 'B' && c2 == 'A' && c3 == 'B') { cout << tt(N - 3) << endl; return 0; } if(c1 == 'B' && c2 == 'B' && c3 == 'B' && c4 == 'A') { cout << fib.at(N - 1) << endl; return 0; } if(c1 == 'B' && c2 == 'B' && c3 == 'B' && c4 == 'A') { cout << tt(N - 3) << endl; return 0; } if(c1 == 'A' && c2 == 'B' && c3 == 'B' && c4 == 'A') { cout << fib.at(N - 1) << endl; return 0; } if(c1 == 'B' && c2 == 'A' && c3 == 'A' && c4 == 'A') { cout << fib.at(N - 1) << endl; return 0; } if(c1 == 'B' && c2 == 'A' && c3 == 'A' && c4 == 'B') { cout << fib.at(N - 1) << endl; return 0; } return 0; }
#include<bits/stdc++.h> #define RG register #define R RG int #define ll long long #define D double #define I inline using namespace std; int main() { ll b,c; scanf("%lld%lld",&b,&c); if(b==0)printf("%lld\n",(c>>1)+(c-1>>1)+1); else if(b>0) { printf("%lld\n",(max(c-2>>1,0ll))+(min((b<<1)-1,(c>>1)+(c-1>>1)))+(c-1>>1)+2); } else printf("%lld\n",(c>>1)+(min((-b<<1)-1,(c-1>>1)+(c-2>>1)))+(c-1>>1)+2); return 0; }
#include "bits/stdc++.h" #define REP(i, n) for (int i = 0; i < (int)(n); i++) using namespace std; typedef long long ll; int N; vector<int> A,B; int solve(){ int res = 2e5; REP(i,N) res = min(res,A[i]+B[i]); REP(i,N){ REP(j,N){ if(i == j) continue; res = min(res,max(A[i],B[j])); } } return res; } int main(){ cin >> N; A.resize(N); B.resize(N); REP(i,N) cin >> A[i] >> B[i]; cout << solve(); return 0; }
#include <iostream> #include <iomanip> #include <vector> #include <array> #include <stack> #include <queue> #include <tuple> #include <algorithm> #include <unordered_set> #include <unordered_map> #include <cmath> #include <map> #include <numeric> #include <cassert> #include <string> #include <list> using ull = unsigned long long; using ll = long long; #define REP(i, n) for(ll i=0;i<(ll)n;i++) #define REPab(i,a,b)for(ll i=(ll)a;i<(ll)b;i++) constexpr bool bitp(ull bits, ull pos) { return bits & (1ULL << pos); } constexpr ll mod(ll val, ll m) { return (val >= 0) ? (val % m) : (val % m + m); } template <class T> void chmin(T& a, T b) { a = std::min(a, b); } template <class T> void chmax(T& a, T b) { a = std::max(a, b); } ll extgcd(const ll a, const ll b, ll& x, ll& y) {ll d = a;if (b != 0) { d = extgcd(b, a % b, y, x);y -= (a / b) * x;} else { x = 1; y = 0; } return d;} int main() { ll N; std::cin >> N; std::unordered_set<ll> set; REP(i, N) { ll a; std::cin >> a; set.insert(a); } for (ll i = 1; i <= N;i++) { if (set.count(i) == 0) { std::cout << "No\n"; return 0; } } std::cout << "Yes\n"; }
#include <bits/stdc++.h> // #include <atcoder/all> // using namespace atcoder; using namespace std; #define rep2(i, m, n) for (int i = (m); i < (n); ++i) #define rep(i, n) rep2(i, 0, n) #define drep2(i, m, n) for (int i = (m)-1; i >= (n); --i) #define drep(i, n) drep2(i, n, 0) #define all(x) begin(x), end(x) #define rall(x) rbegin(x), rend(x) #ifdef LOCAL void debug_out() { cerr << endl; } template <class Head, class... Tail> void debug_out(Head H, Tail... T) { cerr << ' ' << H; debug_out(T...); } #define debug(...) cerr << 'L' << __LINE__ << " [" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__) #define dump(x) cerr << 'L' << __LINE__ << " " << #x << " = " << (x) << endl #else #define debug(...) (void(0)) #define dump(x) (void(0)) #endif template<class T> using V = vector<T>; template<class T> using P = pair<T, T>; using ll = long long; using ld = long double; using Vi = V<int>; using VVi = V<Vi>; using Vl = V<ll>; using VVl = V<Vl>; using Vd = V<ld>; using VVd = V<Vd>; using Vb = V<bool>; using VVb = V<Vb>; using Pi = P<int>; using Pl = P<ll>; using Pd = P<ld>; template<class T> using priority_queue_rev = priority_queue<T, vector<T>, greater<T>>; template<class T> vector<T> make_vec(size_t n, T a) { return vector<T>(n, a); } template<class... Ts> auto make_vec(size_t n, Ts... ts) { return vector<decltype(make_vec(ts...))>(n, make_vec(ts...)); } template<class T> inline int sz(const T &x) { return size(x); } template<class T> inline bool chmin(T &a, const T b) { if (a > b) { a = b; return true; } return false; } template<class T> inline bool chmax(T &a, const T b) { if (a < b) { a = b; return true; } return false; } template<class T1, class T2> istream &operator>>(istream &is, pair<T1, T2> &p) { is >> p.first >> p.second; return is; } template<class T1, class T2> ostream &operator<<(ostream &os, const pair<T1, T2> &p) { os << '(' << p.first << ", " << p.second << ')'; return os; } template<class T, size_t n> istream &operator>>(istream &is, array<T, n> &v) { for (auto &e : v) is >> e; return is; } template<class T, size_t n> ostream &operator<<(ostream &os, const array<T, n> &v) { for (auto &e : v) os << e << ' '; return os; } template<class T> istream &operator>>(istream &is, vector<T> &v) { for (auto &e : v) is >> e; return is; } template<class T> ostream &operator<<(ostream &os, const vector<T> &v) { for (auto &e : v) os << e << ' '; return os; } template<class T> inline void deduplicate(vector<T> &a) { sort(all(a)); a.erase(unique(all(a)), a.end()); } template<class T> inline int count_between(const vector<T> &a, T l, T r) { return lower_bound(all(a), r) - lower_bound(all(a), l); } // [l, r) inline ll cDiv(const ll x, const ll y) { return (x+y-1) / y; } // ceil(x/y) inline int fLog2(const ll x) { assert(x > 0); return 63-__builtin_clzll(x); } // floor(log2(x)) inline int cLog2(const ll x) { assert(x > 0); return (x == 1) ? 0 : 64-__builtin_clzll(x-1); } // ceil(log2(x)) inline int popcount(const ll x) { return __builtin_popcountll(x); } inline void fail() { cout << -1 << '\n'; exit(0); } struct fast_ios { fast_ios(){ cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_; // const int INF = (1<<30) - 1; // const ll INFll = (1ll<<60) - 1; // const ld EPS = 1e-10; // const ld PI = acos(-1.0); int main() { ll n, m; cin >> n >> m; if (n == 1) { if (m != 0) fail(); cout << "1 2\n"; return 0; } if (m < 0 || m > n-2) fail(); int k = n - 1 - m; rep(i, k) cout << (i+1) << ' ' << (2*n-i) << '\n'; rep(i, n-k) cout << (k + 2*i + 1) << ' ' << (k + 2*i + 2) <<'\n'; }
#include "bits/stdc++.h" using namespace std; void solve(){ int a,b,c,d; cin>>a>>b>>c>>d; cout<<a*d-b*c<<'\n'; } int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); int t=1; // cin>>t; while(t--){ solve(); } return 0; }
#include <bits/stdc++.h> // #include <atcoder/all> using namespace std; // using namespace atcoder; typedef long long ll; typedef vector<ll> vint; typedef vector< vector<ll> > vvint; #define rep(i,n) for(ll i=0;i<n;i++) #define repf(i,f,n) for(ll i=f;i<n;i++) #define repr(i,n) for(ll i=n-1;i>=0;i--) #define mp make_pair #define mt make_tuple #define ALL(obj) (obj).begin(), (obj).end() template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; } int dy[]={0, 0, 1, -1, 1, -1, -1, 1}; int dx[]={1, -1, 0, 0, 1, 1, -1, -1}; int main() { cout<<fixed<<setprecision(10); vint v(4); rep(i,4) cin>>v[i]; cout << v[0]*v[3] - v[1]*v[2] << endl; return 0; }
// Template Libraries #include <bits/stdc++.h> using namespace std; //Standard input bool checkMod7(int n, int mod){ for(; n > 0; n = n / mod){ if(n % mod == 7) return true; } return false; } int main(){ int N, counter; bool dec_flag, oct_flag; cin >> N; counter = N; for(int i = N; i > 0; i--){ if(checkMod7(i, 10) || checkMod7(i, 8)) counter--; } cout << counter << endl; return 0; //Must return 0 if you want to use return statement }
#include<bits/stdc++.h> using namespace std; #define ff first #define ss second #define int long long #define pb push_back #define mp make_pair #define pii pair<int,int> #define vi vector<int> #define mii map<int,int> #define pqb priority_queue<int> #define pqs priority_queue<int,vi,greater<int> > #define setbits(x) __builtin_popcountll(x) #define zrobits(x) __builtin_ctzll(x) #define ps(x,y) fixed<<setprecision(y)<<x #define mk(arr,n,type) type *arr=new type[n]; #define w(x) int x; cin>>x; while(x--) #define fo(i, n) for (int i = 0; i < n; i++) #define Fo(i, k, n) for (int i = k; i < n; i++) #define all(v) v.begin(), v.end() #define allr(v) v.rbegin(), v.rend() #define endl '\n' //mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); bool decimal(int n){ bool flag=0; int l = 0; while(n){ l = n%10; n = n/10; if(l==7){ flag=1; break; } } if(flag) return 1; return 0; } bool octal(int n){ int flag=0; //cout << pow << endl; while(n){ if(n%8 == 7){ flag = 1; break; } n = n/8; } if(flag) return 1; else return 0; } int32_t main() { int c, x=INT_MAX , t, i, y, sum=0, n, m; t = 1; ///cin >> t; while(t--){ cin >> n ; Fo(i, 1, n+1){ if(!decimal(i) && !octal(i)) sum++; } cout << sum; } }
#include <bits/stdc++.h> using namespace std; #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) #define ALL(a) (a).begin(),(a).end() #define RALL(a) (a).rbegin(),(a).rend() #define PRINT(a) cout << (a) << endl #define pb push_back #define eb emplace_back #define mp make_pair #define Fi first #define Se second #define debug(x) cerr << x << " " << "(L:" << __LINE__ << ")" << '\n'; using ll = long long int; using P = pair<int,int>; using vi = vector<int>; using vvi = vector<vi>; using vvvi = vector<vvi>; using pii = pair<int, int>; template <typename T> using PQ = priority_queue<T>; template <typename T> using minPQ = priority_queue<T, vector<T>, greater<T>>; template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; } const int INF = 1001001001; const ll LINF = 1001001001001001001ll; const int MOD = 1e9 + 7; int main(){ int n; cin >> n; vi a(n),b(n); REP(i,n)cin >> a[i] >> b[i]; ll ans=LINF; REP(i,n)REP(j,n){ if(i==j){ chmin(ans, (ll)(a[i]+b[j])); }else{ chmin(ans, (ll)max(a[i],b[j])); } } cout << ans << endl; }
#include <bits/stdc++.h> //#include <atcoder/all> using namespace std; //using namespace atcoder; template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } #define rep(i,cc,n) for(int i=cc;i<n;++i) #define lrep(i,cc,n) for(long long i=cc;i<n;++i) #define sqrep(i,cc,n) for(long long i=cc;i*i<=n;++i) #define rrep(i,cc,n) for(int i=cc;i>=n;--i) #define pii pair<int, int> #define pll pair<long long, long long> using ll = long long; const vector<int> dx = {1, 0, -1, 0}; const vector<int> dy = {0, 1, 0, -1}; const vector<int> dx2 = {1, 1, 1, 0, 0, 0, -1, -1, -1}; const vector<int> dy2 = {1, 0, -1, 1, -1, 0, 1, 0, -1}; const double PI = 3.1415926535; const ll inf = 1001001001; const ll e9 = 1000000000; const ll mod = 1000000007; const ll mod2 = 998244353; const ll MAX = 1000000; const int MOD = 1000000007; const ll big = (1ll<<60); ll gcd(ll x, ll y) { return (x % y)? gcd(y, x % y): y; } vector<vector<ll>>calc(vector<vector<ll>>a, vector<vector<ll>>b){ vector<vector<ll>> c(3,vector<ll>(3)); rep(i2, 0, 3){ rep(j2, 0, 3){ rep(k2, 0, 3){ c[i2][j2] += a[i2][k2]*b[k2][j2]; } } } return c; } int main(){ int n; cin >> n; vector<ll>x(n),y(n); rep(i, 0, n)cin >> x[i] >> y[i]; int m; cin >> m; vector<pll>op(m); vector<vector<vector<ll>>>matrix(m+1,vector<vector<ll>>(3,vector<ll>(3))) ,accum(m+1,vector<vector<ll>>(3,vector<ll>(3))); rep(i, 0, m){ cin >> op[i].first; vector<vector<ll>>temp(3,vector<ll>(3)); if(op[i].first==3||op[i].first==4)cin >> op[i].second; if(op[i].first==1){ temp[0][1] = 1; temp[1][0] = -1; }else if(op[i].first==2){ temp[0][1] = -1; temp[1][0] = 1; }else if(op[i].first==3){ temp[0][0] = -1; temp[0][2] = 2*op[i].second; temp[1][1] = 1; }else{ temp[0][0] = 1; temp[1][2] = 2*op[i].second; temp[1][1] = -1; } temp[2][2] = 1; matrix[i+1] = temp; } rep(i, 1, m+1){ if(i==1)accum[i] = matrix[i]; else{ accum[i] = calc(matrix[i],accum[i-1]); } } int q; cin >> q; vector<pll>query(q); rep(i, 0, q)cin >> query[i].first >> query[i].second; rep(i, 0, q){ if(query[i].first==0){ cout << x[query[i].second-1] << " " << y[query[i].second-1] << endl; }else{ ll ansx, ansy; ansx = accum[query[i].first][0][0]*x[query[i].second-1]+ accum[query[i].first][0][1]*y[query[i].second-1]+ accum[query[i].first][0][2]*1; ansy = accum[query[i].first][1][0]*x[query[i].second-1]+ accum[query[i].first][1][1]*y[query[i].second-1]+ accum[query[i].first][1][2]*1; cout << ansx << " " << ansy << endl; } } }
#include<bits/stdc++.h> using namespace std; //#include<atcoder/all> //using namespace atcoder; using ll = long long; #define For(i,n,k) for(int i=(n);i<(k);i++) #define ALL(a) (a).begin(),(a).end() using P = pair<int, int>; void Main(){ int n, m; cin >> n >> m; vector<vector<P>> path(n); For(i,0,m){ int a, b, c; cin >> a >> b >> c; path[a-1].push_back({b-1, c}); } auto dijkstra = [&](int start, auto &graph){ vector<int> dist(n+1, 1e9); priority_queue<P, vector<P>, greater<P>> pq; pq.push({0, start}); while(!pq.empty()){ auto [cur, now] = pq.top(); pq.pop(); if(cur > dist[now]) continue; for(auto [to, cost]:graph[now]){ if(dist[to] > cur + cost){ dist[to] = cur + cost; pq.push({dist[to], to}); } } } return dist[start] < 1e9 ? dist[start] : -1; }; For(i,0,n) cout << dijkstra(i, path) << endl; } int main(){ Main(); /* 東方風神録は神が出てくるので当然神ゲー */ return 0; }
#include <bits/stdc++.h> using namespace std; unsigned long long r,x,y; int main(){ cin >> r >> x >> y; unsigned long long target = x*x+y*y; unsigned long long r2 = r*r; unsigned long long ans = 0; if(target%r2==0){ ans = target/r2; if(sqrt(ans)!=(unsigned long long)sqrt(ans)){ cout << (unsigned long long)sqrt(ans)+1 << endl; }else{ cout << (unsigned long long)sqrt(ans) << endl; } }else if(r2>target){ cout << 2 << endl; }else{ long double tmp = (long double)target/(long double)r2; if(sqrt(tmp)!=(long)sqrt(tmp)){ cout << (long)sqrt(tmp)+1 << endl; }else{ cout << (long)sqrt(tmp) << endl; } } return 0; }
// Author: wlzhouzhuan #include <bits/stdc++.h> using namespace std; #define ll long long #define ull unsigned long long #define pii pair<int, int> #define pb push_back #define fir first #define sec second #define rep(i, l, r) for (int i = l; i <= r; i++) #define per(i, l, r) for (int i = l; i >= r; i--) #define mset(s, t) memset(s, t, sizeof(s)) #define mcpy(s, t) memcpy(s, t, sizeof(t)) #define poly vector<int> #define SZ(x) (int(x.size())) template<typename T1, typename T2> void ckmin(T1 &a, T2 b) { if (a > b) a = b; } template<typename T1, typename T2> void ckmax(T1 &a, T2 b) { if (a < b) a = b; } int read() { int x = 0, f = 0; char ch = getchar(); while (!isdigit(ch)) f |= ch == '-', ch = getchar(); while (isdigit(ch)) x = 10 * x + ch - '0', ch = getchar(); return f ? -x : x; } template<typename T> void print(T x) { if (x < 0) putchar('-'), x = -x; if (x >= 10) print(x / 10); putchar(x % 10 + '0'); } template<typename T> void print(T x, char let) { print(x), putchar(let); } const int N = 5005; vector<int> adj[N]; bool vis[N]; int n, m; int main() { n = read(), m = read(); rep(i, 1, m) { int u = read(), v = read(); adj[u].pb(v); } int num = 0; rep(i, 1, n) { rep(j, 1, n) vis[j] = 0; queue<int> q; q.push(i), vis[i] = 1; while (!q.empty()) { ++num; int u = q.front(); q.pop(); for (auto v: adj[u]) { if (!vis[v]) { vis[v] = 1, q.push(v); } } } } print(num, '\n'); return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; using Graph = vector<vector<ll>>; vector<bool> seen; ll dfs(const Graph &G, ll v, ll cnt) { seen[v] = true; ll res = cnt; for (auto next_v : G[v]) { if (seen[next_v]) continue; res = dfs(G, next_v, res)+1; } return res; } int main() { ll N,M; cin >> N >> M; Graph G(N); for (ll i = 0; i < M; i++) { ll a, b; cin >> a >> b; a--;b--; G[a].push_back(b); } ll ans = 0; for(ll i = 0; i < N; i++){ seen.assign(2010, false); ans += dfs(G,i,0); } cout << ans + N << endl; return 0; }
/*{{{*/ #include<cstdio> #include<cstdlib> #include<cstring> #include<cmath> #include<algorithm> #include<string> #include<iostream> #include<sstream> #include<set> #include<map> #include<queue> #include<bitset> #include<vector> #include<limits.h> #include<assert.h> #define SZ(X) ((int)(X).size()) #define ALL(X) (X).begin(), (X).end() #define REP(I, N) for (int I = 0; I < (N); ++I) #define REPP(I, A, B) for (int I = (A); I < (B); ++I) #define FOR(I, A, B) for (int I = (A); I <= (B); ++I) #define FORS(I, S) for (int I = 0; S[I]; ++I) #define RS(X) scanf("%s", (X)) #define SORT_UNIQUE(c) (sort(c.begin(),c.end()), c.resize(distance(c.begin(),unique(c.begin(),c.end())))) #define GET_POS(c,x) (lower_bound(c.begin(),c.end(),x)-c.begin()) #define CASET int ___T; scanf("%d", &___T); for(int cs=1;cs<=___T;cs++) #define MP make_pair #define PB emplace_back #define MS0(X) memset((X), 0, sizeof((X))) #define MS1(X) memset((X), -1, sizeof((X))) #define LEN(X) strlen(X) #define F first #define S second using namespace std; typedef long long LL; typedef unsigned long long ULL; typedef long double LD; typedef pair<int,int> PII; typedef vector<int> VI; typedef vector<LL> VL; typedef vector<PII> VPII; typedef pair<LL,LL> PLL; typedef vector<PLL> VPLL; template<class T> void _R(T &x) { cin >> x; } void _R(int &x) { scanf("%d", &x); } void _R(int64_t &x) { scanf("%lld", &x); } void _R(double &x) { scanf("%lf", &x); } void _R(char &x) { scanf(" %c", &x); } void _R(char *x) { scanf("%s", x); } void R() {} template<class T, class... U> void R(T &head, U &... tail) { _R(head); R(tail...); } template<class T> void _W(const T &x) { cout << x; } void _W(const int &x) { printf("%d", x); } void _W(const int64_t &x) { printf("%lld", x); } void _W(const double &x) { printf("%.16f", x); } void _W(const char &x) { putchar(x); } void _W(const char *x) { printf("%s", x); } template<class T,class U> void _W(const pair<T,U> &x) {_W(x.F); putchar(' '); _W(x.S);} template<class T> void _W(const vector<T> &x) { for (auto i = x.begin(); i != x.end(); _W(*i++)) if (i != x.cbegin()) putchar(' '); } void W() {} template<class T, class... U> void W(const T &head, const U &... tail) { _W(head); putchar(sizeof...(tail) ? ' ' : '\n'); W(tail...); } #ifdef HOME #define DEBUG(...) {printf("[DEBUG] ");W(__VA_ARGS__);} #else #define DEBUG(...) #endif int MOD = 1e9+7; void ADD(LL& x,LL v){x=(x+v)%MOD;if(x<0)x+=MOD;} /*}}}*/ const int SIZE = 1<<20; const int COMBINATION_SIZE = 1<<21; LL pp[5001][5001]; int N,M; void pre() { pp[0][0]=1; FOR(i,1,5000){ pp[i][0]=1; FOR(j,1,5000){ pp[i][j]=(LL)pp[i][j-1]*i%MOD; } } } void solve() { LL an=0; FOR(i,1,N){ FOR(j,1,M){ if(j<M||(j==M&&i==1)){ ADD(an,pp[M-j][i-1]*(j-1)%MOD*(N-i)%MOD*pp[M][N-i-1]); ADD(an,pp[M-j][i-1]*pp[M][N-i]); } } } W(an); } void input() { R(N,M); } int main(){ MOD=998244353; pre(); input(); solve(); return 0; }
#include <bits/stdc++.h> #define rep0(i,r) for (int i=0,i##end=r;i<i##end;++i) #define rep(i,l,r) for (int i=l;i<=r;++i) #define per(i,r,l) for (int i=r;i>=l;--i) #define ll long long #define pb push_back using namespace std; const int N=5e3+3,P=998244353; int dp[N][2],pw[N]; void upd(int x,int &y,int c){ y=(y+(ll)x*c)%P; } int main(){ int n,m,ans=0; cin>>n>>m; pw[0]=1; rep(i,1,n) pw[i]=(ll)pw[i-1]*m%P; rep(v,1,m){ dp[0][0]=1;//count rep(i,1,n) dp[i][0]=dp[i][1]=0; rep(i,1,n){ upd(dp[i-1][0],dp[i][0],m-1); upd(dp[i-1][0],dp[i][1],1); ans=(ans+(ll)dp[i-1][0]*pw[n-i])%P; upd(dp[i-1][1],dp[i][0],v-1); upd(dp[i-1][1],dp[i][1],m-v+1); } } printf("%d\n",ans); return 0; }
#include<bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rrep(i, k, n) for (int i = k; i < (int)(n); i++) #define repd(i, n) for (int i = n-1; i >= 0; i--) #define rrepd(i, k, n) for (int i = n-1; i >= (int)(k); i--) #define all(x) (x).begin(),(x).end() #define chmax(x,y) x=max(x,y) #define chmin(x,y) x=min(x,y) #define F first //pairの一つ目の要素 #define S second //pairの二つ目の要素 #define PB push_back //挿入 #define MP make_pair //pairのコンストラクタ //V,Pは大文字i,l,bは小文字 using ll = long long; using Vi = vector<int>; using VVi = vector<Vi>; using Vl = vector<ll>; using VVl = vector<Vl>; using Vb = vector<bool>; using VVb = vector<Vb>; using P = pair<int,int>; using Pl = pair<ll, ll>; using Vs = vector<string>; const ll mod = 1000000007; const ll inf = 1000000000000000000;//10の18乗 #define yn {puts("Yes");}else{puts("No");} #define dame { puts("-1"); return 0;} int main() { ll a,b,c; cin >> a >> b >> c; if(a*a+b*b<c*c) yn; }
#include<bits/stdc++.h> #define pb push_back #define mk make_pair #define mk make_pair #define ll long long #define ss second #define ff first #define mod 1000000007 #define w(x) ll x; cin>>x; while(x--) #define ps(x,y) fixed<<setprecision(y)<<x; #define fo(i, j, k, in) for (ll i=j ; i<k ; i+=in) #define re(i, j) fo(i, 0, j, 1) #define pi acos(-1) #define all(cont) cont.begin(), cont.end() #define countbit(x) __builtin_popcount(x) #define de(n) ll n;cin>>n; #define def(a,n) ll n;cin>>n;ll a[n];re(i,n){cin>>a[i];} #define defi(a,n,k) ll n;cin>>n; ll k;cin>>k;ll a[n];re(i,n){cin>>a[i];} #define deb(x) cout<<#x<<"="<<x<<endl; #define tr(it,a) for(auto it=a.begin();it!=a.end();it++) #define nl cout<<endl; using namespace std; //18-1326D1 1208B 845C 912B 1009B 1350C 20C 1333C 1234D 1327C 1305B 1304B (or in matrix) 1216-C(26) 21 void cp() { ios :: sync_with_stdio(false); cin.tie(0); cout.tie(0); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif } int main() { cp(); de(n); ll a[n],p[n],x[n]; ll ans=LLONG_MAX; bool f=0; re(i,n) { cin>>a[i]>>p[i]>>x[i]; if(x[i]-a[i]>0) { f=1; ans=min(ans,p[i]); } } if(f) cout<<ans; else{ cout<<"-1"; } }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef double db; typedef pair <int, int> pin; const int N = 2e5 + 5; const ll P = 998244353LL; int n, tot, head[N], ans[N], dis[N], fa[N], diaSon[N]; bool vis[N], inDia[N]; vector <int> son[N]; struct Edge { int to, nxt; } e[N << 1]; inline void add(int from, int to) { e[++tot].to = to; e[tot].nxt = head[from]; head[from] = tot; } template <typename T> inline void read(T &X) { char ch = 0; T op = 1; for (X = 0; ch > '9' || ch < '0'; ch = getchar()) if (ch == '-') op = -1; for (; ch >= '0' && ch <= '9'; ch = getchar()) X = (X * 10) + ch - '0'; X *= op; } void dfs(int x, int fat) { for (int i = head[x]; i; i = e[i].nxt) { int y = e[i].to; if (y == fat) continue; fa[y] = x; dis[y] = dis[x] + 1; dfs(y, x); } } void makeFlag(int x, int fat, int b) { if (x == b) inDia[x] = 1; for (int i = head[x]; i; i = e[i].nxt) { int y = e[i].to; if (y == fat) continue; makeFlag(y, x, b); if (inDia[y]) inDia[x] = 1; } } // void getAns(int x, int now, int b) { // vis[x] = 1; // if (ans[x] == 0) ans[x] = now; // if (x == b) return; // bool flag = 0; // int son = 0, sonInDia = 0; // for (int i = head[x]; i; i = e[i].nxt) { // int y = e[i].to; // if (y == fa[x]) continue; // if (inDia[y]) { // sonInDia = y; // continue; // } // if (vis[y]) continue; // flag = 1; // son = y; // break; // } // if (flag) getAns(son, now + 1, b); // else { // if (sonInDia == 0) getAns(fa[x], now + 1, b); // else getAns(sonInDia, now + 1, b); // } // } void getAns(int x, int now, int b) { vis[x] = 1; if (ans[x] == 0) ans[x] = now; if (x == b) return; if (!son[x].empty()) { int nowSon = son[x][son[x].size() - 1]; son[x].pop_back(); getAns(nowSon, now + 1, b); } else { if (diaSon[x] == 0) getAns(fa[x], now + 1, b); else getAns(diaSon[x], now + 1, b); } } int main() { #ifndef ONLINE_JUDGE freopen("sample.in", "r", stdin); clock_t st_clock = clock(); #endif read(n); for (int x, y, i = 1; i < n; i++) { read(x), read(y); add(x, y), add(y, x); } dis[1] = 0; dfs(1, 0); int a = 1; for (int i = 2; i <= n; i++) if (dis[i] > dis[a]) a = i; dis[a] = 0; dfs(a, 0); int b = 1; for (int i = 2; i <= n; i++) if (dis[i] > dis[b]) b = i; makeFlag(a, 0, b); for (int x = 1; x <= n; x++) { for (int i = head[x]; i; i = e[i].nxt) { int y = e[i].to; if (y == fa[x]) continue; if (inDia[x] && inDia[y]) diaSon[x] = y; else son[x].push_back(y); } } getAns(a, 1, b); for (int i = 1; i <= n; i++) printf("%d%c", ans[i], " \n"[i == n]); #ifndef ONLINE_JUDGE clock_t ed_clock = clock(); printf("time = %f ms\n", (double)(ed_clock - st_clock) / CLOCKS_PER_SEC * 1000); #endif return 0; }
#include <bits/stdc++.h> using namespace std; string sdouble(string s) { int n = s.size(); string s2(n*2,'a'); for (int i = 0; i < n; i++) { s2[i*2] = s[i]; s2[i*2+1] = s[i]; } return s2; } string ssign(string s) { int n = s.size(); string s2(n*2,'a'); for (int i = 0; i < n; i++) { if (s[i] == 'A') { s2[i*2] = 'A'; s2[i*2+1] = 'B'; } else { s2[i*2] = 'B'; s2[i*2+1] = 'A'; } } return s2; } int main() { int N; cin >> N; int m = 1; for (int i = 0; i < N; i++) { m *= 2; } cout << m-1 << endl; vector<string> group(m); group[0] = "A"; int m2 = 1; for (int i = 0; i < N; i++) { for (int i = 0; i < m2; i++) { group[i+m2] = ssign(group[i]); group[i] = sdouble(group[i]); } m2 *= 2; } for (int i = 1; i < m; i++) { cout << group[i] << endl; } return 0; }
#include<bits/stdc++.h> #define rep(i,n) for(int i=0;i<n;i++) #define INF 1000000007 using namespace std; int main(){ long n; cin >> n; vector<long> ans; for(int i=1;i<sqrt(n)+1;i++){ if(n%i==0){ ans.push_back(i); if(i*i != n)ans.push_back(n/i); } } sort(ans.begin(), ans.end()); rep(i,(int)ans.size()){ cout << ans[i] << endl; while(i+1 < (int)ans.size() && ans[i] == ans[i+1])i++; } return 0; }
#include <iostream> #include <algorithm> #include <bits/stdc++.h> using namespace std; int main() { long long int n,i; cin >>n; set<long long int> s; for(i=1;i<=sqrt(n);i++){ if(n%i==0){ s.insert(i); s.insert(n/i); } } for(auto it=s.begin();it!=s.end();it++){ cout<<*it<<endl; } return 0; }
/*** author: yuji9511 ***/ #include <bits/stdc++.h> // #include <atcoder/all> // using namespace atcoder; using namespace std; using ll = long long; using lpair = pair<ll, ll>; using vll = vector<ll>; const ll MOD = 1e9+7; const ll INF = 1e18; #define rep(i,m,n) for(ll i=(m);i<(n);i++) #define rrep(i,m,n) for(ll i=(m);i>=(n);i--) ostream& operator<<(ostream& os, lpair& h){ os << "(" << h.first << ", " << h.second << ")"; return os;} #define printa(x,n) for(ll i=0;i<n;i++){cout<<(x[i])<<" \n"[i==n-1];}; void print() {} template <class H,class... T> void print(H&& h, T&&... t){cout<<h<<" \n"[sizeof...(t)==0];print(forward<T>(t)...);} template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; } void solve(){ ll A,B; cin >> A >> B; vll ans; ll sum = 0; if(A <= B){ rep(i,0,B){ ans.push_back(-(i+1)); sum += i+1; } rep(i,0,A-1){ ans.push_back(i+1); sum -= i+1; } ans.push_back(sum); }else{ rep(i,0,A){ ans.push_back((i+1)); sum += i+1; } rep(i,0,B-1){ ans.push_back(-(i+1)); sum -= i+1; } ans.push_back(-sum); } printa(ans, ans.size()); } int main(){ cin.tie(0); ios::sync_with_stdio(false); solve(); }
#include<bits/stdc++.h> using namespace std; template <typename T> inline void read(T &x){ x=0;char ch=getchar();bool f=false; while(!isdigit(ch)){if(ch=='-'){f=true;}ch=getchar();} while(isdigit(ch)){x=(x<<1)+(x<<3)+(ch^48);ch=getchar();} x=f?-x:x; return ; } template <typename T> inline void write(T x){ if(x<0) putchar('-'),x=-x; if(x>9) write(x/10); putchar(x%10^48); return ; } const int N=3e5+5; int n,m; #define ll long long int main(){ read(n),read(m); if(n>m){ for(int i=1;i<=n;i++) cout<<i<<" "; for(int i=1;i<=m-1;i++) cout<<-i<<" "; cout<<-(n*(n+1)/2-(m-1)*(m)/2); } else if(m>n){ for(int i=1;i<=n-1;i++) cout<<i<<" "; for(int i=1;i<=m;i++) cout<<-i<<" "; cout<<-((n)*(n-1)/2-(m+1)*m/2); } else for(int i=1;i<=n;i++) cout<<i<<" "<<-i<<" "; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int numa, numb; cin >> numa >> numb; cout << numa* 2 + 100 - numb; return 0; }
#include <iostream> #include<bits/stdc++.h> #define pb(x) push_back(x) #define ll long long #define fr(i, n) for(int i=0; i<n; i++) #define fr1(i, a, b) for(int i=a; i<=b; i++) #define fr2(i, a, b) for(int i=a; i>=b; i--) #define srt(a) sort(a.begin(), a.end()) #define frit(it, m) for(auto it=m.begin(); it!=m.end(); it++) #define fritr(it, m) for(auto it=m.rbegin(); it!=m.rend(); it++) #define all(c) c.begin(), c.end() #define vi vector<int> #define vvi vector<vector<int>> #define vl vector<long> #define vll vector<long long> #define MAX(a,b) (a>=b)?a:b #define MIN(a,b) (a<=b)?a:b using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int a, b; cin>>a>>b; cout<<(2*a + 100)-b; return 0; }
#include <bits/stdc++.h> using namespace std; int main(){ int x,y; cin>>x>>y; if(x>y){ if(y+3>x) cout<<"Yes"; else cout<<"No"; } else if(y>x){ if(x+3>y) cout<<"Yes"; else cout<<"No"; } }
#include<bits/stdc++.h> #define ll long long int #define mii map<int,int> #define qi queue<int> #define pqi priority_queue<int> #define pqgi priority_queue<int,vector<int>,greater<int>> #define si set<int> #define vi vector<int> #define vll vector<long long int> #define vii vector<pair<int,int>> #define mii map<int,int> #define ii pair<int,int> #define SYNC ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0); #define FRE freopen("input.txt","r",stdin);freopen("output.txt","w",stdout); #define f(i,a,b) for(int i=a;i<b;i++) #define rf(j,c,d) for(int j=c;j>d;j--) #define mod 1000000007 #define mo 998244353 #define inf 1e18 #define F first #define S second #define ld long double #define INF (int)INT_MAX #define PI 3.1415926535898 using namespace std; const int N=1e5+5; clock_t timeStart, timeFinish; void timeBegin(){ timeStart = clock(); } void timeEnd() { timeFinish = clock(); } void timeDuration() { double time_taken = double(timeFinish - timeStart) / double(CLOCKS_PER_SEC); cout << "Time taken by program is : " << fixed << time_taken << setprecision(5); cout << " sec " << endl; } /*ll po(ll A,ll B) { ll RES=1; while(B) { if(B&1) RES*=A; B>>=1; A*=A; } return RES; }*/ /*void sieve(int P) { prime[0]=0;prime[1]=0; f(i,2,P+1) prime[i]=1; f(i,2,P+1) { if(prime[i]==1) { for(int j=i*i;j<P+1;j+=i) { prime[j]=i; } } } }*/ void solve() { ll x,y; cin>>x>>y; if(x<y) swap(x,y); if(x-y<3) cout<<"Yes\n"; else cout<<"No\n"; return; } int main() { SYNC //sieve(); int t=1; //cin>>t; f(i,0,t) //cout<<"Case #"<<i+1<<":" solve(); //timeDuration(); return 0; }
#include<bits/stdc++.h> using namespace std; #define MOD 1000000007 //#define MOD 998244353 #define INF 1000000010 #define EPS 1e-9 #define F first #define S second #define debug(x) cout<<x<<endl; #define repi(i,x,n) for(int i=x;i<n;i++) #define rep(i,n) repi(i,0,n) #define lp(i,n) repi(i,0,n) #define repn(i,n) for(int i=n;i>=0;i--) #define int long long #define endl "\n" typedef pair<int,int> PII; typedef pair<int,string> PIS; typedef pair<string,int> PSI; signed main(){ cin.tie(0); ios::sync_with_stdio(false); int n; cin>>n; int a[n],b[n]; rep(i,n) cin>>a[i]; rep(i,n) cin>>b[i]; int ans=0; int mx=0; rep(i,n){ mx=max(mx,a[i]); ans=max(ans,mx*b[i]); cout<<ans<<endl; } return 0; }
#include <bits/stdc++.h> #define rep(i,n) for (int i = 0; i < (n); ++i) using namespace std; using ll = long long; using P = pair<int,int>; int main() { int n; cin >> n; vector<P> x(n); bool ok = false; rep(i, n) cin >> x[i].first >> x[i].second; for (int i = 0; i < n; i++) { for (int j = i+1; j < n; j++) { for (int k = j+1; k < n; k++) { P a = P(x[i].first-x[j].first, x[i].second-x[j].second); P b = P(x[i].first-x[k].first, x[i].second-x[k].second); if (a.first*b.second == a.second*b.first) { ok = true; break; } } } } if (ok) cout << "Yes" << endl; else cout << "No" << endl; return 0; }
#include<bits/stdc++.h> using namespace std; using ll = long long; #define rep(i,f,n) for(ll i=(f); (i) < (n); i++) #define repe(i,f,n) for(ll i=(f); (i) <= (n); i++) #define repc(i,f,n) for(char i=(f); (i) <= (n); i++) #define PI 3.14159265359 #define debug(x) cout<<#x<<" :: "<<x<<"\n"; #define debug2(x,y) cout<<#x<<" :: "<<x<<"\t"<<#y<<" :: "<<y<<"\n"; #define debug3(x,y,z) cout<<#x<<" :: "<<x<<"\t"<<#y<<" :: "<<y<<"\t"<<#z<<" :: "<<z<<"\n"; #define P pair<int, int> #define Pl pair<ll, ll> #define dvec vector<vector<ll>> #define OUT(x) cout << x << endl; return 0; //printf("%.10f\n") //cout << fixed << setprecision(10); template<class T> inline bool chmax(T& a, T b){if (a < b) { a = b; return true; } return false;} template<class T> inline bool chmaxe(T& a, T b){if (a <= b) { a = b; return true; } return false;} template<class T> inline bool chmin(T& a, T b){if (a > b) { a = b; return true; } return false;} const ll MOD = 1000000007ll; const ll INF = 1e+18; const int iINF = 1e9; const double EPS = 1e-8; int main() { int N, W; cin >> N >> W; cout << N / W << endl; }
#include<bits/stdc++.h> typedef uint64_t u64; typedef int64_t i64; typedef long double f128; using namespace std; template<u64 mod> class modint{ public: u64 val; constexpr modint(const u64 x=0) noexcept:val(x%mod){} constexpr u64 &value() noexcept{ return val; } constexpr const u64 &value() const noexcept{ return val; } constexpr modint operator+(const modint rhs) const noexcept{ return modint(*this)+=rhs; } constexpr modint operator-(const modint rhs) const noexcept{ return modint(*this)-=rhs; } constexpr modint operator*(const modint rhs) const noexcept{ return modint(*this)*=rhs; } constexpr modint operator/(const modint rhs) const noexcept{ return modint(*this)/=rhs; } constexpr modint operator^(const u64 rhs) const noexcept{ return modint(*this)^=rhs; } constexpr bool operator==(const modint rhs) const noexcept{ return (*this).val==rhs.val; } constexpr bool operator!=(const modint rhs) const noexcept{ return (*this).val!=rhs.val; } constexpr modint &operator+=(const modint rhs) noexcept{ val+=rhs.val; if(val>=mod){ val-=mod; } return *this; } constexpr modint &operator-=(const modint rhs) noexcept{ if(val<rhs.val){ val+=mod; } val-=rhs.val; return *this; } constexpr modint &operator*=(const modint rhs) noexcept{ val=val*rhs.val%mod; return *this; } constexpr modint &operator/=(modint rhs) noexcept{ u64 exp=mod-2; while(exp){ if(exp&1){ (*this)*=rhs; } rhs*=rhs; exp>>=1; } return *this; } constexpr modint &operator^=(u64 rhs) noexcept{ modint a=(*this); (*this)=1; while(rhs){ if(rhs&1){ (*this)*=a; } a*=a; rhs>>=1; } return *this; } friend constexpr ostream &operator<<(ostream &os,const modint &x) noexcept{ return os<<(x.val); } friend constexpr istream &operator>>(istream &is,modint &x) noexcept{ u64 t; is>>t; x=t; return is; } }; template<typename T> void scan(T& n){ cin>>n; } template<typename T,typename U> void scan(pair<T,U>& p){ cin>>p.first>>p.second; } void scan(){} template<typename T,class... Args> void scan(T& n,Args&... args){ scan(n); scan(args...); } template<typename T> void scanall(T start,T end){ for(;start!=end;++start){ scan(*start); } } template<typename T> void print(T n){ cout<<n; } template<typename T,typename U> void print(pair<T,U> p){ cout<<'{'<<p.first<<','<<p.second<<'}'; } void print(){} template<typename T,class... Args> void print(T n,Args... args){ print(n); print(args...); } template<typename T> void println(T n){ print(n); cout<<endl; } template<typename T,class... Args> void println(T n,Args... args){ print(n,' '); println(args...); } template<typename T> void printall(T start,T end){ if(start!=end){ print(*start); for(++start;start!=end;++start){ print(' ',*start); } } cout<<endl; } template<typename T> T chmax(T& n,T m){ return n=max(n,m); } template<typename T> T chmin(T& n,T m){ return n=min(n,m); } template<typename T,typename U> T power(T a,U n){ T res=1; while(n){ res*=(n&1)?a:1; a*=a; n>>=1; } return res; } template<typename T> struct combination{ vector<T> fact; combination(const int Max=10000000):fact(Max+1,1){ for(int i=2;i<=Max;++i){ fact[i]=fact[i-1]*(T)i; } } template<typename U> T nCk(U n,U k){ if(n<k||n<0||k<0){ return 0; } return fact[n]/fact[k]/fact[n-k]; } }; void solve(); int main(){ cout<<fixed<<setprecision(15); bool is_multitestcase=0; int T=1; if(is_multitestcase){ scan(T); } for(int i=0;i<T;++i){ solve(); } return 0; } void solve(){ typedef modint<1000000007> mint; combination<mint> COM(3000000); i64 N,M,K; scan(N,M,K); if(M+K<N){ println(0); return; } println(COM.nCk(N+M,N)-COM.nCk(N+M,N-(K+1))); }
#include <bits/stdc++.h> #define rep(i, n) for(int i = 0; i < n; i++) using namespace std; typedef long long ll; const int INF = 1 << 30; const ll LLINF = 1LL << 60; int mod = 1000000007; int main(void){ ios::sync_with_stdio(false); cin.tie(nullptr); string S[3]; cin >> S[0] >> S[1] >> S[2]; map<char, int> mp; int idx = 0; rep(i, 3){ rep(j, S[i].length()){ if(!mp.count(S[i][j])){ mp[S[i][j]] = idx; idx++; } } } if(mp.size() > 10) cout << "UNSOLVABLE" << endl; else{ vector<int> vec(10, 0); rep(i, 10) vec[i] = i; do{ bool cont = true; ll v[3]; rep(i, 3){ string val = ""; rep(j, S[i].length()){ val += ('0' + vec[mp[S[i][j]]]); } if(val[0] == '0'){ cont = false; break; } v[i] = stoll(val); } if(cont){ if(v[0] + v[1] == v[2]){ cout << v[0] << endl; cout << v[1] << endl; cout << v[2] << endl; return 0; } } }while(next_permutation(vec.begin(), vec.end())); cout << "UNSOLVABLE" << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; #define rep(i, s, e) for (ll i = s; i < e; i++) #define rrep(i, s, e) for (ll i = s; i > e; i--) int main() { ll A, B, W; cin >> A >> B >> W; W *= 1000; ll cnt_a = W / A, cnt_b = W / B; if (cnt_a != cnt_b) cout << cnt_b + (W % B != 0) << " " << cnt_a; else if ((W % A) * (W % B) == 0) cout << cnt_a << " " << cnt_a; else cout << "UNSATISFIABLE"; }
#include <iostream> #include <string> #include <vector> #include <cmath> #include <map> #include <numeric> #include <iomanip> #include <algorithm> using namespace std; string rus; int point = 0; void move(vector<vector<int>> &mdata, vector<vector<int>> &pdata, vector<int> cdata,int x,int y,int p,int dir, string sdata){ if (point < p) { rus = sdata; point = p; } if (x > 50 || y > 50 || x <= 0 || y <= 0) { return; } if (cdata.at(mdata.at(y).at(x)) == 0) { return; } cdata.at(mdata.at(y).at(x)) = 0; p = p + pdata.at(y).at(x); if (dir == 1) sdata += 'D'; else if (dir == 2) sdata += 'U'; else if (dir == 3) sdata += 'R'; else if (dir == 4) sdata += 'L'; map<int, int> hp; int cnt = 0; if(cdata.at(mdata.at(y + 1).at(x)) != 0) hp[pdata.at(y + 1).at(x)] = 1; if (cdata.at(mdata.at(y - 1).at(x)) != 0) hp[pdata.at(y - 1).at(x)] = 2; if (cdata.at(mdata.at(y).at(x + 1)) != 0) hp[pdata.at(y).at(x + 1)] = 3; if (cdata.at(mdata.at(y).at(x - 1)) != 0) hp[pdata.at(y).at(x - 1)] = 4; for (auto i = hp.rbegin();i != hp.rend();i++) { if (i->second == 1) { move(mdata, pdata, cdata, x, y + 1, p, 1, sdata); } else if (i->second == 2) { move(mdata, pdata, cdata, x, y - 1, p, 2, sdata); } else if (i->second == 3) { move(mdata, pdata, cdata, x + 1, y, p, 3, sdata); } else { move(mdata, pdata, cdata, x - 1, y, p, 4, sdata); } //cout << i->second << endl; cnt++; if (cnt == 1 && dir != 0) break; } } int main(void) { int sx, sy; string sdata; cin >> sy >> sx; vector<int> cdata(52 * 52, 0); vector<vector<int>> mdata(52, vector<int>(52)); vector<vector<int>> pdata(52, vector<int>(52)); for (int i = 1;i <= 50;i++) { for (int j = 1;j <= 50;j++) { cin >> mdata.at(i).at(j); cdata.at(mdata.at(i).at(j)) = 1; } } for (int i = 1;i <= 50;i++) { for (int j = 1;j <= 50;j++) { cin >> pdata.at(i).at(j); } } move(mdata,pdata, cdata, sx+1, sy+1,pdata.at(sy+1).at(sx+1),0,sdata); cout << rus << endl; }
#include <bits/stdc++.h> using namespace std; template<class t> inline t read(t &x){ char c=getchar();bool f=0;x=0; while(!isdigit(c)) f|=c=='-',c=getchar(); while(isdigit(c)) x=(x<<1)+(x<<3)+(c^48),c=getchar(); if(f) x=-x;return x; } template<class t> inline void write(t x){ if(x<0) putchar('-'),write(-x); else{if(x>9) write(x/10);putchar('0'+x%10);} } const int N=505; int n,a[N],b[N],c[N][N]; signed main(){ read(n); for(int i=1;i<=n;i++) for(int j=1;j<=n;j++) read(c[i][j]); for(int i=1;i<=n;i++) a[i]=c[i][1]-c[1][1]; for(int i=1;i<=n;i++) b[i]=c[1][i]; for(int i=1;i<=n;i++) for(int j=1;j<=n;j++) if(a[i]+b[j]!=c[i][j]) return puts("No"),0; int ma=*min_element(a+1,a+1+n),mb=*min_element(b+1,b+1+n); if(ma+mb<0) return puts("No"),0; puts("Yes"); for(int i=1;i<=n;i++) write(a[i]-ma),putchar(' ');puts(""); for(int i=1;i<=n;i++) write(b[i]+ma),putchar(' '); }
#include <bits/stdc++.h> using namespace std; // typedef using ll = long long; using str = string; using PL = pair<ll, ll>; using P = pair<int, int>; using VL = vector<ll>; using VI = vector<int>; using VS = vector<str>; using VP = vector<P>; using VPL = vector<PL>; using VVL = vector<VL>; using VVI = vector<VI>; // const num const ll INF = 1e18 + 18; const ll MAX = 100005; const ll MOD = 1000000007; const long double PI = acosl(-1.0); // loop #define REP(i, a, b) for(ll(i) = (a); (i) < (b); (i)++) #define RREP(i, a, b) for(ll(i) = (a); (i) >= (b); (i)--) #define rep(i, n) REP(i, 0, n) #define rrep(i, n) RREP(i, n, 0) // YesNo #define Yes(n) cout << ((n) ? "Yes": "No") << endl #define YES(n) cout << ((n) ? "YES" : "NO") << endl // All #define ALL(v) v.begin(), v.end() #define deduplicate(v) (v).erase(unique(ALL(d)), (v).end()) int main(void){ int a,b; int asum = 0; int bsum = 0; cin >> a >> b; rep(i,3){ asum += (a%10); bsum += (b%10); a/=10; b/=10; } cout << max(asum,bsum) << endl; return 0; }
#define _USE_MATH_DEFINES #include <algorithm> #include <cmath> #include <cstdio> #include <cstdlib> #include <ctime> #include <complex> #include <iostream> #include <map> #include <set> #include <stack> #include <string> #include <tuple> #include <vector> #include <queue> #define INF 1010101010LL #define INFLL 1010101010101010101LL using namespace std; const int mod = 1000000007; //const int mod = 998244353; int main() { string s, t; cin >> s >> t; int a = 0, b = 0; for (int i = 0; i < 3; i++) { a += s[i] - '0'; b += t[i] - '0'; } cout << max(a, b) << endl; return 0; }
// WIP #include <bits/stdc++.h> using namespace std; #define ALL(X) (X).begin(), (X).end() #define FOR(I, X, Y) for (int I = (X); I < (Y); I++) using ll = int64_t; using ull = uint64_t; namespace std { template<class ...Ts> istream& operator>>(istream& i, tuple<Ts...>& x) { apply([&](auto&&... ys){ ((i >> ys), ...); }, x); return i; } template<class ...Ts> ostream& operator<<(ostream& o, const tuple<Ts...>& x) { o << "("; auto s = ""; apply([&](auto&&... y){ ((o << s << y, s = ", "), ...); }, x); return o << ")"; } template<class T1, class T2> istream& operator>>(istream& i, pair<T1, T2>& x) { return i >> tie(x.first, x.second); } template<class T1, class T2> ostream& operator<<(ostream& o, const pair<T1, T2>& x) { return o << tie(x.first, x.second); } template<class T, class = decltype(begin(declval<T>())), class = enable_if_t<!is_same<T, string>::value>> istream& operator>>(istream& i, T& x) { for (auto& y : x) { i >> y; } return i; } template<class T, class = decltype(begin(declval<T>())), class = enable_if_t<!is_same<T, string>::value>> ostream& operator<<(ostream& o, const T& x) { o << "{"; auto s = ""; for (auto& y : x) { o << s << y; s = ", "; } return o << "}"; } } #ifdef DEBUG #define dbg(...) do { cout << #__VA_ARGS__ ": " << make_tuple(__VA_ARGS__) << endl; } while (0) #define dbg2(X) do { cout << #X ":\n"; for (auto& __x : (X)) { cout << __x << endl; } } while (0) #else #define dbg(...) #define dbg2(X) #endif using Real = long double; // Main void mainCase() { int n; cin >> n; vector<Real> xs(n); cin >> xs; array<Real, 3> res = {}; for (auto x : xs) { res[0] += abs(x); res[1] += x * x; res[2] = max(res[2], abs(x)); } res[1] = sqrt(res[1]); FOR(i, 0, 3) { cout << setprecision(numeric_limits<Real>::digits10 + 1) << res[i] << "\n"; } } int main() { ios_base::sync_with_stdio(0); cin.tie(0); mainCase(); return 0; } /* python misc/run.py atcoder/abc180/b/main.cpp {{TESTS}} */
#include <cstdio> using ll = long long int; int cnt[405]; int N; int main(){ scanf("%d",&N); for(int i=0;i<N;i++){ int tmp; scanf("%d",&tmp); cnt[tmp+200]++; } ll ans=0ll; for(int i=0;i<=400;i++){ for(int j=i+1;j<=400;j++){ ll diff=j-i; // if (cnt[i]&&cnt[j]) // printf("diff=%lld\n",diff); ans+=(diff*diff*cnt[i]*cnt[j]); } } printf("%lld\n",ans); return 0; }
#include <bits/stdc++.h> #define _GLIBCXX_DEBUG using namespace std; typedef long long ll; typedef long double ld; typedef pair<int,int> pi; typedef pair<ll,ll> pl; using Graph = vector<vector<int>>; const ll INF = 1LL << 62; const double PI = acos(-1); const ll mod = 998244353; const ll MOD = 1000000007; template<class T> void chmin(T &a,T b){if(a>b)a=b;} template<class T> void chmax(T &a,T b){if(a<b)a=b;} int main(){ int N;cin >> N; int ans; if(N%100 == 0) ans = N/100; else ans = N/100+1; cout << ans << endl; }
#include <algorithm> #include <cassert> #include <cmath> #include <iomanip> #include <iostream> #include <map> #include <numeric> #include <queue> #include <set> #include <tuple> #include <unordered_map> #include <unordered_set> #include <vector> // #include <atcoder/all> /* cd $dir && g++ -std=c++17 -Wall -Wextra -O2 -DATCODERDEBUG -I/mnt/d/MyProjects/atcoder/lib/ac-library $fileName && echo 'compilation ok!' && ./a.out */ using namespace std; #define REP(i, n) for (ll i = 0; i < ll(n); i++) #define FOR(i, a, b) for (ll i = a; i <= ll(b); i++) #define ALL(x) x.begin(), x.end() #define dame(a) \ { \ cout << a << endl; \ return 0; \ } typedef long long ll; ll __per__(ll a, ll b) { if (a >= 0) return a % b; return (((-a - 1LL) / b) + 1LL) * b + a; } class dstream : public ostream {}; template <typename T> dstream &operator<<(dstream &os, const T &v) { #ifdef ATCODERDEBUG cout << "\033[1;31m" << v << "\033[0m"; #endif return os; } ostream &endd(std::ostream &out) { #ifdef ATCODERDEBUG out << std::endl; #endif return out; } dstream dout; template <typename T> ostream &operator<<(ostream &os, const vector<T> &v) { os << "[ "; for (auto const &x : v) { os << x; if (&x != &v.back()) { os << " : "; } } os << " ]"; return os; } ostream &operator<<(ostream &os, const vector<bool> &v) { os << "[ "; for (size_t i = 0; i < v.size(); i++) { os << v[i]; if (i != v.size() - 1) { os << " : "; } } os << " ]"; return os; } template <typename T> ostream &operator<<(ostream &os, const vector<vector<T>> &v) { os << "[" << endl; for (auto const &x : v) { os << " "; os << x; os << endl; } os << "]"; return os; } template <typename T, typename U> ostream &operator<<(ostream &os, const map<T, U> &v) { os << "{" << endl; for (auto const &x : v) { os << " "; os << x; } os << "}" << endl; return os; } template <typename T, typename U> ostream &operator<<(ostream &os, const unordered_map<T, U> &v) { os << "{" << endl; for (auto const &x : v) { os << " "; os << x; } os << "}" << endl; return os; } template <typename T> ostream &operator<<(ostream &os, const set<T> &v) { os << "{"; for (auto const &x : v) { os << " "; os << x; } os << " }" << endl; return os; } template <typename T, typename U> ostream &operator<<(ostream &os, const unordered_set<T, U> &v) { os << "{"; for (auto const &x : v) { os << " "; os << x; } os << " }" << endl; return os; } template <typename T, typename U> ostream &operator<<(ostream &os, const pair<T, U> &v) { os << v.first << " : " << v.second << endl; return os; } template <typename T, typename U, typename Comp = less<>> bool chmax(T &xmax, const U &x, Comp comp = {}) { if (comp(xmax, x)) { xmax = x; return true; } return false; } template <typename T, typename U, typename Comp = less<>> bool chmin(T &xmin, const U &x, Comp comp = {}) { if (comp(x, xmin)) { xmin = x; return true; } return false; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); ll N; cin >> N; ll ans = (N + 99) / 100; cout << ans << endl; // cout << std::fixed << std::setprecision(15) << sqrt(ans) << endl; }
#include <bits/stdc++.h> #define ll long long #define ld long double #define V vector<long long> #define VV vector<vector<long long>> #define VVV vector<vector<vector<long long>>> #define P pair<ll,ll> #define rep(i,n) for(ll (i)=0;(i)<(n);++(i)) #define per(i,n) for(ll (i)=(n)-1;(i)>=0;--(i)) #ifdef LOCAL #define debug(x) cerr<<__LINE__<<": "<<#x<<"="<<x<<endl; #define debugALL(x) cerr<<__LINE__<<": "<<#x<<"=";for(auto i=(x).begin();i!=--(x).end();i++)cerr<<*i<<" ";cerr<<*--(x).end()<<endl; #else #define debug(x) true #define debugALL(x) true #endif using namespace std; long long mod=1e9+7; struct mint{ long long x; mint(long long x=0):x((x%mod+mod)%mod){} mint operator-() const{return mint(-x);} mint& operator+=(const mint a){ if((x+=a.x)>=mod)x-=mod; return *this; } mint& operator-=(const mint a){ if((x+=mod-a.x)>=mod)x-=mod; return *this; } mint& operator*=(const mint a){ (x*=a.x)%=mod; return *this; } mint operator+(const mint a)const{return mint(*this)+=a;} mint operator-(const mint a)const{return mint(*this)-=a;} mint operator*(const mint a)const{return mint(*this)*=a;} mint pow(long long t)const{ if(!t)return 1; mint a=pow(t>>1); a*=a; if(t&1)a*=*this; return a; } mint inv()const{return pow(mod-2);} mint& operator/=(const mint a){return *this*=a.inv();} mint operator/(const mint a)const{return mint(*this)/=a;} }; istream& operator>>(istream& is,mint& a){return is>>a.x;} ostream& operator<<(ostream& os,const mint& a){return os<<a.x;} int main(){ ll n; cin>>n; vector<vector<P>> g(n,vector<P>()); rep(i,n-1){ ll u,v,w; cin>>u>>v>>w; u--;v--; g[u].emplace_back(v,w); g[v].emplace_back(u,w); } stack<P> sta; sta.emplace(0,0); vector<bool> used(n,false); used[0]=true; V sum(n); while(sta.size()){ ll now=sta.top().first; ll w=sta.top().second; sta.pop(); sum[now]=w; for(auto next:g[now]){ if(used[next.first])continue; used[next.first]=true; sta.emplace(next.first,next.second^w); } } V cnt(60,0); rep(i,n){ rep(k,60){ if(sum[i]&1ll<<k)cnt[k]++; } } V ans(60,0); rep(i,n){ rep(k,60){ if(sum[i]&1ll<<k){ ans[k]+=n-cnt[k]; }else{ ans[k]+=cnt[k]; } } } mint tmp=0; rep(i,60){ tmp+=mint(ans[i]/2)*mint(2).pow(i); } cout<<tmp<<endl; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<ll, ll> P; #define DUMP(x) cout << #x << " = " << (x) << endl; #define FOR(i, m, n) for (ll i = m; i < n; i++) #define IFOR(i, m, n) for (ll i = n - 1; i >= m; i--) #define REP(i, n) FOR(i, 0, n) #define IREP(i, n) IFOR(i, 0, n) #define FOREACH(x, a) for (auto&(x) : (a)) #define ALL(v) (v).begin(), (v).end() #define SZ(x) ll(x.size()) int main() { ll n, m; cin >> n >> m; vector<vector<P>> cond(n + 1); REP(i, m) { ll x, y, z; cin >> x >> y >> z; cond[x].push_back({y, z}); } ll N = 1LL << n; vector<ll> dp(N, 0); dp[0] = 1; REP(bit, N) if (dp[bit] > 0) { vector<ll> a; REP(i, n) { if (bit & (1LL << i)) { a.push_back(i + 1); } } REP(i, n) { if (bit & (1LL << i)) { continue; } bool ok = true; for (P p : cond[SZ(a) + 1]) { ll y = p.first, z = p.second; ll cnt = 0; for (ll x : a) { if (x <= y) { cnt++; } } if (i + 1 <= y) { cnt++; } if (cnt > z) { ok = false; break; } } if (ok) { ll nxt = bit | (1LL << i); dp[nxt] += dp[bit]; } } } cout << dp[N - 1] << endl; }
#include <bits/stdc++.h> using namespace std; #define ll long long #define pb push_back #define pii pair <int, int> #define vi vector<int> #define FOR(i, a, b) for (int i=a; i<b; i++) #define FORd(i, a, b) for (int i=a-1; i>=b; i--) #define F0Rd(i, a) for (int i=a-1; i>=0; i--) #define F0R(i, a) for (int i=0; i<a; i++) #define f first #define s second #define lb lower_bound #define ub upper_bound const int MOD = 1000000007; long double PI = 4*atan(1); /*std::cout << std::fixed << std::setprecision(2); ll po (ll b, ll p) return !p?1:po(b*b%MOD,p/2)*(p&1?b:1)%MOD; ll inv (ll b) { return po(b,MOD-2); }*/ ll n,a[50],frq[50],x,ans=1; vi v[50]; bool visited[50]; void solve() { cin >> n; F0R(i,n) { cin >> x; FOR(j,2,50) { if (x%j == 0) v[i].pb(j); while (x%j == 0) x /= j; } } // F0R(i,n) { // for (int j:v[i]) cout << j << " "; // cout << "\n"; // } while (1) { int flag = 0,MxF = 0,MxN = -1; F0R(i,50) frq[i] = 0; F0R(i,n) { if (visited[i]) continue; flag = 1; for (int j:v[i]) frq[j]++; } if (!flag) break; F0R(i,50) if (frq[i] > MxF) MxF = frq[i],MxN = i; ans = ans*(ll)(MxN); F0R(i,n) { if (!visited[i]) { for (int j:v[i]) { if (j == MxN) visited[i] = true; } } } } cout << ans; } int main() { ios::sync_with_stdio(0), cin.tie(0); int test_cases = 1; //cin >> test_cases; F0R(i,test_cases) { solve(); } return 0; }
#include<bits/stdc++.h> using namespace std; long long ans; void noanswer() { puts("-1"); exit(0); } int a[100005], b[100001]; struct info { int cnt, p; }; info seq[100001]; int tot; void solve(int l, int r) { int p = l-1; while (p < r && a[p+1] > b[p+1]) ++p; for (int i = p+1; i <= r; i++) if (a[i] > b[i]) noanswer(); for (int i = l-1; i <= p; i++) { if (seq[tot].p + seq[tot].cnt == a[p]) ++seq[tot].cnt; else ++tot, seq[tot].cnt = 1, seq[tot].p = a[i]; } for (int i = p; i >= l; i--) { int num = 0; while (tot > 1 && seq[tot].p + seq[tot].cnt - 1 + num > b[i]) num += seq[tot].cnt, --tot; if (seq[tot].p + seq[tot].cnt - 1 + num != b[i]) noanswer(); ans += num, seq[tot].cnt += num-1; } tot = 0; for (int i = r+1; i > p; i--) { if (seq[tot].p - seq[tot].cnt == a[p]) ++seq[tot].cnt; else ++tot, seq[tot].cnt = 1, seq[tot].p = a[i]; } for (int i = p+1; i <= r; i++) { int num = 0; while (tot > 1 && seq[tot].p - seq[tot].cnt + 1 - num < b[i]) num += seq[tot].cnt, --tot; if (seq[tot].p - seq[tot].cnt + 1 - num != b[i]) noanswer(); ans += num, seq[tot].cnt += num-1; } } int main() { int n, l; cin >> n >> l; for (int i = 1; i <= n; i++) cin >> a[i]; for (int i = 1; i <= n; i++) cin >> b[i]; a[0] = 0, a[n+1] = l+1; int last = 1; for (int i = 1; i <= n; i++) if (a[i] == b[i]) { if (last != i) solve(last, i-1); last = i+1; } if (last <= n) solve(last, n); cout << ans << endl; }
#include<bits/stdc++.h> #define ll long long #define ld long double #define pb push_back #define mp make_pair #define fi first #define se second #define REP(i,j) for(int i=0;i<j;i++) #define REPA(i,j) for(int i=1;i<=j;i++) #define FORN(i,j,k) for(int i=j;i<k;i++) #define vi vector<int> #define vvi vector<vi > #define pii pair<int,int> #define vpii vector<pii > #define all(a) a.begin(),a.end() using namespace std; const int INF=1<<30; //const ll INF=1ll<<60; const ll MOD=1e9+7; inline void read(int &x){ // short neg=1; x=0; char c=getchar(); /*while(c<'0'||c>'9'){ if(c=='-')neg=-1; c=getchar(); }*/ while(c>='0'&&c<='9'){ x=(x<<3)+(x<<1)+(c^48),c=getchar(); } // x*=neg; } ll quick_mod(ll A,ll B){//A^B ll ret=1; A%=MOD; while(B) { if(B&1)ret=ret*A%MOD; B>>=1; A=A*A%MOD; } return ret; } const int MAXN=1e5+10; ll N; ll A[MAXN]; int main(void){ cin>>N; REP(i,N)cin>>A[i]; if(N==1){ cout<<A[0]; return 0; } ll X=A[0]+A[1],Y=A[0]-A[1]; ll K1=1,K2=1; for(int i=2;i<N;i++){ ll x,y; x=(X+A[i]*K1+Y+A[i]*K2)%MOD; y=(MOD*1000+X-A[i]*K1)%MOD; X=x; Y=y; ll k1,k2; k1=K1+K2; k2=K1; K1=k1%MOD; K2=k2%MOD; } cout<<(ll)(MOD*3+X+Y)%MOD; return 0; }
#include<bits/stdc++.h> using namespace std; long long b,c,x,y; unsigned long long ans=0; int main(){ scanf("%lld%lld",&b,&c); if(c==1){ if(b==0)printf("1"); else printf("2"); return 0; } if(b==0)printf("%lld",c); else if(b>0){ x=c%2; y=c/2; if(y>=b)ans=2*b+1; else if(x)ans=2*y+2; else ans=2*y+1; x=(c-1)%2; y=(c-1)/2; if(x)ans+=2*y; else ans+=2*y-1; printf("%llu",ans); } else{ x=(c-1)%2; y=(c-1)/2; b=-b; if(y>=b)ans=2*b+1; else if(x)ans=2*y+2; else ans=2*y+1; b=-b; x=c%2; y=c/2; if(x)ans+=2*y; else ans+=2*y-1; printf("%llu",ans); } return 0; }
#include <bits/stdc++.h> using namespace std; const int MAX = 10000; int main() { int n, m; cin >> n >> m; vector<int> cnt(MAX); for (int i = 0; i < n + m; i++) { int x; cin >> x; ++cnt[x]; } for (int i = 0; i < MAX; i++) { if (cnt[i] == 1) { cout << i << " "; } } return 0; }
#include <bits/stdc++.h> #include<iostream> using namespace std; typedef long long ll; int keta(ll n) { return log10(n)+1; } ll f() { for (int i = 0; i< 10;i++) {} for (int j = 0; j< 10;j++) {} ll p = 3* 2e18; vector<ll> vec; vec.push_back(0); vec.back(); vec.pop_back(); for_each(vec.begin(), vec.end(), [](ll& elem) { elem = 4; }); return 0; } int main(){ ll N,M; cin>>N>>M; vector<ll> A,B; for (int i = 0; i< N;i++) { ll a; cin>>a; A.push_back(a); } for (int i = 0; i< M;i++) { ll b; cin>>b; B.push_back(b); } reverse(A.begin(),A.end()); reverse(B.begin(),B.end()); vector<ll> C; while (!A.empty() || !B.empty()) { if (A.empty()) { ll b=B.back(); C.push_back(b); B.pop_back(); } else if (B.empty()){ ll a =A.back(); C.push_back(a); A.pop_back(); } else { ll a =A.back(); ll b=B.back(); if (a<b){ C.push_back(a); A.pop_back(); } else if (a==b){ A.pop_back(); B.pop_back(); } else { C.push_back(b); B.pop_back(); } } } ll cl = C.size(); for (int i = 0; i< cl;i++) { cout<<C[i]<<" "; } cout<<endl; return 0; }
// header {{{ // header {{{ using namespace std; #include <bits/stdc++.h> #define CPP_STR(x) CPP_STR_I(x) #define CPP_CAT(x, y) CPP_CAT_I(x, y) #define CPP_STR_I(args...) #args #define CPP_CAT_I(x, y) x##y #define ASSERT(expr...) assert((expr)) using i8 = int8_t; using u8 = uint8_t; using i16 = int16_t; using u16 = uint16_t; using i32 = int32_t; using u32 = uint32_t; using i64 = int64_t; using u64 = uint64_t; using f32 = float; using f64 = double; // }}} constexpr i64 INF = 1'010'000'000'000'000'017LL; constexpr i64 MOD = 1'000'000'007LL; constexpr f64 EPS = 1e-12; constexpr f64 PI = 3.14159265358979323846; #define M5 100007 #define M9 1000000000 // util {{{ #define FOR(i, start, end) for (i64 i = (start), CPP_CAT(i, xxxx_end) = (end); i < CPP_CAT(i, xxxx_end); ++i) #define REP(i, n) FOR(i, 0, n) #define ALL(f, c, ...) (([&](decltype((c)) cccc) { return (f)(std::begin(cccc), std::end(cccc), ##__VA_ARGS__); })(c)) #define ll long long int #define VI vector<int> template <typename C> i64 SIZE(const C &c) { return static_cast<i64>(c.size()); } template <typename T, size_t N> i64 SIZE(const T (&)[N]) { return static_cast<i64>(N); } template <typename T, typename U, typename Comp = less<>> bool chmax(T &xmax, const U &x, Comp comp = {}) { if (comp(xmax, x)) { xmax = x; return true; } return false; } template <typename T, typename U, typename Comp = less<>> bool chmin(T &xmin, const U &x, Comp comp = {}) { if (comp(x, xmin)) { xmin = x; return true; } return false; } // }}} // init {{{ struct ProconInit { static constexpr int IOS_PREC = 15; static constexpr bool AUTOFLUSH = false; ProconInit() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(IOS_PREC); if (AUTOFLUSH) cout << unitbuf; } } PROCON_INIT; // }}} //-------------------------------------------------------------------- bool isOK(int mid, double key) { } int binary_search(double key) { int left = -1; //「index = 0」が条件を満たすこともあるので、初期値は -1 int right = 2000000000; /* どんな二分探索でもここの書き方を変えずにできる! */ while (right - left > 1) { int mid = left + (right - left) / 2; if (isOK(mid, key)) right = mid; else left = mid; } /* left は条件を満たさない最大の値、right は条件を満たす最小の値になっている */ return right; } bool isKaibun(string st) { bool ans = true; int n = st.length(); REP(i, n / 2) { if (st[i] != st[n - i - 1]) { return false; } } return true; } int toInt(char a) { return a - '0'; } int gcd(int a, int b) { if (a % b == 0) { return (b); } else { return (gcd(b, a % b)); } } int lcm(int a, int b) { return a * b / gcd(a, b); } void solve() { int N; cin >> N; vector<int> A(N); REP(i, N) cin >> A[i]; ll ans = -1; ll mans = 2; FOR(i, 2, 1001) { ll sum = 0; REP(j, N) { if (A[j] % i == 0) { sum++; } } if (ans < sum) { ans = sum; mans = i; } } cout << mans; } signed main() { solve(); return 0; }
#include <bits/stdc++.h> using namespace std; using LL = long long; const int int_inf = 1e9; const LL ll_inf = 1e18; const int mod = 1000000009; template <class T> void sort(T &v) { std::sort(v.begin(), v.end()); } template <class T> void rsort(T &v) { std::sort(v.rbegin(), v.rend()); } int main() { ios::sync_with_stdio(false); cin.tie(0); int n; cin >> n; vector<int> a(n); for (auto &i : a) cin >> i; int ans = 2; int buf = 0; for (int i = 2; i <= 1000; i++) { int cnt = 0; for (int j = 0; j < n; j++) { if (a[j] % i == 0) cnt++; } if (buf < cnt) { ans = i; buf = cnt; } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> #define REP(i,n) for(int i=0;i<(int)(n);++i) #define ALL(v) (v).begin(),(v).end() #define debug(x) cerr<<#x<<": "<<(x)<<endl using namespace std; using llong = long long; using vi = vector<int>; using vvi = vector<vi >; using vvvi = vector<vvi >; using pii = pair<int,int>; constexpr int INF = 1e9; constexpr llong LINF = 1e18; constexpr double EPS = 1e-12; constexpr int MOD = 1e9+7; template<class Type> void line(const Type &a){int cnt=0;for(const auto &elem:a)cerr<<(cnt++?' ':'>')<<elem;cerr<<endl;} using vl = vector<long long>; using vvl = vector<vl >; using vvvl = vector<vvl >; using pll = pair<long long,long long>; int main(){ int n; cin>>n; vl cnt(200,0); REP(i,n){ llong a; cin>>a; cnt[a%200]++; } llong ans=0; REP(i,200){ ans+=cnt[i]*(cnt[i]-1)/2; } cout<<ans<<endl; }
#include <iostream> #include <vector> #include <algorithm> using namespace std; using ll = long long; int main(){ int n; ll k; cin >> n >> k; vector<pair<ll,ll>> friends(n); for(int i=0;i<n;i++){ ll a,b; cin >> a >> b; friends[i] = make_pair(a,b); } sort(friends.begin(), friends.end()); ll place = 0; int vn = 0; while(k > 0){ place += k; k = 0; for(int i=vn;i<n;i++){ if(friends[i].first <= place){ k += friends[i].second; vn = i+1; }else{ break; } } } cout << place << endl; }
#include<bits/stdc++.h> #define ll long long #define ull unsigned ll #define all(x) (x).begin(), (x).end() #define F first #define S second #define IOS std::ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); #define pb push_back using namespace std; // DEBUG TEMPLATE void __print(int x) {cout << x;} void __print(long x) {cout << x;} void __print(long long x) {cout << x;} void __print(unsigned x) {cout << x;} void __print(unsigned long x) {cout << x;} void __print(unsigned long long x) {cout << x;} void __print(float x) {cout << x;} void __print(double x) {cout << x;} void __print(long double x) {cout << x;} void __print(char x) {cout << '\'' << x << '\'';} void __print(const char *x) {cout << '\"' << x << '\"';} void __print(const string &x) {cout << '\"' << x << '\"';} void __print(bool x) {cout << (x ? "true" : "false");} template<typename T, typename V> void __print(const pair<T, V> &x) {cout << '{'; __print(x.first); cout << ','; __print(x.second); cout << '}';} template<typename T> void __print(const T &x) {int f = 0; cout << '{'; for (auto &i: x) cout << (f++ ? "," : ""), __print(i); cout << "}";} void _print() {cout << "]\n";} template <typename T, typename... V> void _print(T t, V... v) {__print(t); if (sizeof...(v)) cout << ", "; _print(v...);} void OFFLINE(){ #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #define debug(x...) cout << "[" << #x << "] = ["; _print(x) #else #define debug(x...) #endif } const int MOD = 1e9 + 7; int main(){ IOS; OFFLINE(); //check for corner test cases int n, k; cin >> n >> k; vector<int> arr(n); vector<vector<int>> brr(k); for(auto &x: arr) cin >> x; sort(all(arr)); if(arr[0] != 0) { cout << 0 << "\n"; return 0; } int pos = 0, prev = 0, i = 0; while(i < n) { if(prev != arr[i]) { pos = 0; } if(brr[pos].empty()) { if(arr[i] == 0) { brr[pos].pb(arr[i]); } } else { if(brr[pos].back() + 1 >= arr[i]) { brr[pos].pb(arr[i]); } } prev = arr[i]; i++; pos = (pos + 1) % k; } int ans = 0; for(int i = 0; i < k; i++) { if(!brr[i].empty()) { ans += brr[i].back() + 1; } } cout << ans << "\n"; //check for corner test cases return 0; }
#include<bits/stdc++.h> #define rep(i,n) for(int i = 0 ; i < (n); ++i) using namespace std ; typedef long long ll ; const int mod=1000000007; const int N=1e3 ; void solve(){ int n,k; cin>>n>>k ; vector<int> a(n) ; rep(i,n){ cin>>a[i] ; } map<int,int> mp ; for(int i=0;i<n;i++){ mp[a[i]]++ ; } int mn=k ; ll ans=0 ; for(int i=0;i<=n;i++){ mn=min(mn,mp[i]) ; ans+=mn ; } cout<<ans ; } int main(){ #ifndef ONLINE_JUDGE freopen("input.txt","r",stdin) ; freopen("output.txt","w",stdout) ; #endif cin.tie(0); cout.tie(0); ios_base::sync_with_stdio(false); int y ; y=1 ; //cin>>y ; while(y--){ solve() ; } return 0 ; }