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#include <bits/stdc++.h> #define REP(i, n) for (int i = 0; i < (n); i++) using namespace std; int main() { int h, w; cin >> h >> w; string s[h]; REP(i, h) cin >> s[i]; int res = 0; REP(i, h-1) REP(j, w-1) { int cnt = 0; REP(x, 2) REP(y, 2) if (s[i+y][j+x] == '#') cnt++; if (cnt%2) res++; } cout << res << '\n'; return 0; }
#include <bits/stdc++.h> #include <cstdlib> #include <cmath> #include <algorithm> using namespace std; using ll = long long; #define rep(i,n) for (ll i=0; i < (n); ++i) #define rep2(i,n,m) for(ll i=n;i<=m;i++) #define rep3(i,n,m) for(ll i=n;i>=m;i--) #define P pair<ll,ll> #define pb push_back #define eb emplace_back #define ppb pop_back #define mpa make_pair #define fi first #define se second #define set20 cout<<fixed<<setprecision(20) ; inline void chmax(ll& a,ll b){a=max(a,b);} inline void chmin(ll& a,ll b){a=min(a,b);} double pi=acos(-1) ; 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 dp[1005][1005] ; int main(){ ll n,m ; cin>>n>>m ; vector<ll> A(n),B(m) ; rep(i,n) cin>>A[i] ; rep(i,m) cin>>B[i] ; rep(i,1005) dp[i][0]=i ; rep(i,1005) dp[0][i]=i ; rep2(i,1,n)rep2(j,1,m){ ll p=dp[i-1][j-1] ; if(A[i-1]!=B[j-1]) p++ ; dp[i][j]=min(min(dp[i-1][j],dp[i][j-1])+1,p) ; } cout<<dp[n][m]<<endl ; return 0 ; }
#include <iostream> #include <string> #include <vector> #include <algorithm> #include <functional> #include <queue> using namespace std; int R, C; long long int A[520][520], B[520][520]; long long int INF = 99999999999999; long long int dis[300000]; vector<int> Adj[300000]; vector<long long int> cost[300000]; priority_queue < pair<long long int, int> > PQ; int used[300000]; int main(void) { cin >> R >> C; for (int i = 0; i < R; i++) { for (int j = 0; j < C - 1; j++) { cin >> A[i][j]; } } for (int i = 0; i < R - 1; i++) { for (int j = 0; j < C; j++) { cin >> B[i][j]; } } int N = R*C; dis[0] = 0; for (int i = 1; i <= R*C; i++) { dis[i] = INF; } for (int i = 0; i <= R - 1; i++) { for (int j = 0; j <= C - 2; j++) { int k = i*C + j; int u = i*C + j + 1; Adj[k].push_back(u); cost[k].push_back(A[i][j]); } } for (int i = 0; i <= R - 1; i++) { for (int j = 1; j <= C - 1; j++) { int k = i*C + j; int u = i*C + j - 1; Adj[k].push_back(u); cost[k].push_back(A[i][j-1]); } } for (int i = 0; i <= R - 2; i++) { for (int j = 0; j <= C - 1; j++) { int k = i*C + j; int u = (i + 1)*C + j; Adj[k].push_back(u); cost[k].push_back(B[i][j]); } } for (int i = 1; i <= R - 1; i++) { for (int j = 0; j <= C - 1; j++) { int k = i*C + j; for (int y = 0; y <= i - 1; y++) { int u = y*C + j; Adj[k].push_back(u); cost[k].push_back(i - y + 1); } } } PQ.push(make_pair(dis[0], 0)); used[0] = 1; int g = (R - 1)*C + C - 1; pair<long long int, int> tmp; while (PQ.size() > 0) { tmp = PQ.top(); PQ.pop(); long long int D = -tmp.first; int pos = tmp.second; used[pos] = 1; if (dis[pos] != D) { continue; } if (pos == g) { break; } for (int v = 0; v < (int)Adj[pos].size();v++) { int y = Adj[pos][v]; if (used[y] != 0) { continue; } if (D + cost[pos][v] < dis[y]) { dis[y] = D + cost[pos][v]; PQ.push(make_pair(-dis[y], y)); } } } cout << dis[g]<< endl; return 0; }
#ifdef _DEBUG #define _GLIBCXX_DEBUG #endif #if __has_include(<atcoder/all>) #include <atcoder/all> #endif #include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using P = pair<int, int>; #define rep(i, a, b) for(int i = (int)(a); i <= (int)(b); i++) #define rrep(i, a, b) for(int i = (int)(a); i >= (int)(b); i--) const int MOD = 1000000007; const int MOD2 = 998244353; const ll INF = 1e18; const ld PI = acos(-1); struct edge{ int to,cost; }; const int MXV = 1000000;//変更可 vector<edge> G[MXV]; vector<int> d(MXV, 1e9); void dijkstra(int s){ using Pair_for_edge = pair<int,int>; priority_queue<Pair_for_edge, vector<Pair_for_edge>, greater<Pair_for_edge>> pq; d[s] = 0; pq.push(Pair_for_edge(0, s)); while(pq.size()){ Pair_for_edge p = pq.top(); pq.pop(); int V = p.second; if(d[V] < p.first){ continue; } rep(i,0,G[V].size()-1){ edge e = G[V][i]; if(d[e.to] > d[V] + e.cost){ d[e.to] = d[V] + e.cost; pq.push(P(d[e.to], e.to)); } } } } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int R,C; cin >> R >> C; vector<vector<int>> A(R,vector<int>(C-1)),B(R-1,vector<int>(C)); rep(i,0,R-1){ rep(j,0,C-2){ cin >> A[i][j]; int v=i+1000*j,u=i+1000*(j+1); edge e; e.cost=A[i][j]; e.to=u; G[v].push_back(e); e.to=v; G[u].push_back(e); } } rep(i,0,R-2){ rep(j,0,C-1){ cin >> B[i][j]; int v=i+1000*j,u=i+1+1000*j; edge e; e.cost=B[i][j]; e.to=u; G[v].push_back(e); e.to=v; e.cost=2; while((1000+e.to)%1000!=999){ G[u].push_back(e); //cout << e.cost << endl; e.cost++; e.to--; } } } dijkstra(0); cout << d[(R-1)+1000*(C-1)] << endl; }
#include<bits/stdc++.h> using namespace std; typedef long long ll; #define FAST ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); #define mp make_pair #define pb push_back #define inF freopen("input.txt", "r", stdin); #define outF freopen("output.txt", "w", stdout); #define endl '\n' #define MOD 1000000007 #define mm(arr) memset(arr, 0, sizeof(arr)) #define F first #define S second #define scanArray(a,n) for(int i = 0; i < n; i++){cin >> a[i];} #define coutArray(a,n) for(int i = 0; i < n; i++){cout << a[i] << " ";}cout << endl; #define ld long double #define PI 3.141592653589793238 #define all(v) v.begin(), v.end() #define sz(x) (int)(x.size()) #define int ll #ifndef LOCAL #pragma GCC optimize("Ofast") #pragma GCC target("avx,avx2,fma") #pragma GCC optimization ("unroll-loops") #endif #define sim template < class c #define ris return * this #define dor > debug & operator << #define eni(x) sim > typename \ enable_if<sizeof dud<c>(0) x 1, debug&>::type operator<<(c i) { sim > struct rge { c b, e; }; sim > rge<c> range(c i, c j) { return rge<c>{i, j}; } sim > auto dud(c* x) -> decltype(cerr << *x, 0); sim > char dud(...); struct debug { #ifdef LOCAL ~debug() { cerr << '\n'; } eni(!=) cerr << boolalpha << i; ris; } eni(==) ris << range(begin(i), end(i)); } sim, class b dor(pair < b, c > d) { ris << "(" << d.first << ", " << d.second << ")"; } sim dor(rge<c> d) { *this << "["; for (auto it = d.b; it != d.e; ++it) *this << ", " + 2 * (it == d.b) << *it; ris << "]"; } #else sim dor(const c&) { ris; } #endif }; #define imie(...) "[" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] " int fastpow(int v, int p){ if (p == 0)return 1; if (p == 1)return v; int ans = fastpow(v, p/2); if (p&1)return (((ans%MOD) * (ans%MOD)%MOD) * (v%MOD))%MOD; else return ((ans%MOD) * (ans%MOD))%MOD; } void solve(){ int n, p; cin >> n >> p; int ans = p - 1; ans *= fastpow(p - 2, n - 1); ans %= MOD; cout << ans << endl; } int32_t main(){ FAST int t = 1; //cin >> t; while(t--){ solve(); } return 0; }
#include<bits/stdc++.h> #define int ll #define sz(x) int((x).size()) #define all(x) (x).begin(),(x).end() #define pb push_back #define x first #define y second using namespace std; using ll = long long; using pi = pair<int,int>; const int inf = 0x3f3f3f3f3f3f3f3f; const int minf = 0xc0c0c0c0c0c0c0c0; const int mod = 1e9+7; int pw(int a, int b) { if (b == 0) return 1; if (b == 1) return a; int h = pw(a, b>>1); if (b & 1) return h*h%mod*a%mod; return h*h%mod; } signed main() { ios::sync_with_stdio(0); cin.tie(0); int n,p; cin>>n>>p; cout<<pw(p-2, n-1)*(p-1)%mod<<'\n'; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long i64; typedef unsigned long long ui64; typedef vector<i64> vi; typedef vector<vi> vvi; typedef pair<i64, i64> pi; #define pb push_back #define sz(a) i64((a).size()) #define all(c) (c).begin(), (c).end() #define REP(s, e, i) for(i=(s); i < (e); ++i) inline void RI(i64 &i) {scanf("%lld", &(i));} inline void RVI(vi &v) { for(i64 i=0;i<sz(v);++i) { RI(v[i]); } } inline void RVVI(vvi &vv) { for(i64 i=0;i<sz(vv);++i) { RVI(vv[i]); } } inline void WI(const i64 &i) {printf("%lld\n", i);} inline void WVI(const vi &v, char sep=' ') { for(i64 i=0;i<sz(v);++i) { if(i != 0){ printf("%c", sep); } printf("%lld", v[i]);} printf("\n"); } inline void WS(const string &s) { printf("%s\n", s.c_str()); } inline void WB(bool b, const string &yes, const string &no) { if(b){ WS(yes);} else { WS(no);} } inline void YESNO(bool b) { WB(b, "YES", "NO"); } inline void YesNo(bool b) { WB(b, "Yes", "No"); } #define BUF_LENGTH 1000000 inline void RS(string &s) {static char buf[BUF_LENGTH]; scanf("%s", buf); s = buf;} template<typename T> inline bool IN(T &S, const typename T::key_type &key) { return S.find(key) != S.end(); } template<typename T> inline bool ON(const T &b, i64 idx) { return ((T(1) << idx) & b) != 0; } template<long long M, typename T=long long> struct modint { modint(T v=T(0)) : val((v >= 0 ? v : (M - ((-v) % M))) % M) {} using this_type = modint<M, T>; T val; this_type operator++(int) { this_type ret = *this; val++; val %= M; return ret; } this_type operator--(int) { this_type ret = *this; val += M-1; val %= M; return ret; } this_type &operator++() { val++; val %= M; return *this; } this_type &operator--() { val += M-1; val %= M; return *this; } this_type operator+() const { return *this; } this_type operator-() const { return this_type(M-val); }; friend this_type operator+(const this_type &lhs, const this_type &rhs) { return this_type(lhs) += rhs; } friend this_type operator-(const this_type &lhs, const this_type &rhs) { return this_type(lhs) -= rhs; } friend this_type operator*(const this_type &lhs, const this_type &rhs) { return this_type(lhs) *= rhs; } friend this_type operator/(const this_type &lhs, const this_type &rhs) { return this_type(lhs) /= rhs; } this_type pow(long long b) const { this_type ret = 1, a = *this; while(b != 0) { if(b % 2 != 0) { ret *= a; } b /= 2; a = a * a; } return ret; } this_type inv() const { return pow(M-2); } this_type& operator+=(const this_type &rhs) { val += rhs.val; val %= M; return *this; } this_type& operator-=(const this_type &rhs) { val += M - rhs.val; val %= M; return *this; } this_type& operator*=(const this_type &rhs) { val *= rhs.val; val %= M; return *this; } this_type& operator/=(const this_type &rhs) { *this *= rhs.inv(); return *this; } friend bool operator==(const this_type &lhs, const this_type &rhs) { return lhs.val == rhs.val; } friend bool operator!=(const this_type &lhs, const this_type &rhs) { return lhs.val != rhs.val; } T mod() const {return M;} }; using mi = modint<1000000007>; using vmi = vector<mi>; using vvmi = vector<vmi>; int main(int argc, char *argv[]) { i64 i, j, k; i64 N, M; cin >> N >> M; vi A(N); RVI(A); i64 S = accumulate(all(A), 0LL); mi ans = 1; REP(0, S+N, i) { ans *= (N + M - i); ans /= i + 1; } WI(ans.val); return 0; }
#include<bits/stdc++.h> using namespace std; const int mod=1e9+7; const int N=3e5+5; int n,m,k,cnt,tot,cas,ans; int a[N]; bool vis[N]; char s[N]; #define ll long long long long qmi(long long a,long long b) { long long ans=1; while(b){ if(b&1) ans=ans*a%mod; b>>=1;a=a*a%mod; } return ans; } ll C(ll n,ll r) { if(r>n||r<0) return 0; ll fz=1,fm=1; for(int i=1;i<=r;i++) fz=fz*(n-i+1)%mod,fm=fm*i%mod; return fz*qmi(fm,mod-2)%mod; } int main() { long long sum=0; cin>>n>>m; for(int i=1;i<=n;i++) cin>>a[i],sum+=a[i]; printf("%lld\n",C(n+m,sum+n)); return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define int ll #define _FastIO ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0) #define pb emplace_back #define pii pair<int , int> #define F first #define S second const int mod = 1000000007; const int MAXX = 1e5 + 5; const int N = 1e5; int t , n , m; int a[MAXX]; signed main() { _FastIO; cin >> n; a[1] = 1; for(int i = 2; i <= n; i++){ int cnt = 1; for(int j = 1; (j * j) <= i; j++){ if(i % j == 0){ cnt = max(cnt , a[j]); cnt = max(cnt , a[i / j]); } } a[i] = cnt + 1; } for(int i = 1; i <= n; i++){ cout << a[i] << " "; } cout << endl; return 0; }
#include<bits/stdc++.h> #define int long long int n,now,ans; using namespace std; signed main() { scanf("%lld",&n); int p=sqrt((n+1)*2); while(p*(p+1)/2<=n+1) { p++; } p--; //cout<<p<<endl; //if(p*p==n*2) p--; //cout<<p<<endl; printf("%lld\n",n-p+1); return 0; }
#include <iostream> #include <deque> #include <climits> #include <cmath> using namespace std; int main() { int N; std::cin >> N; double x0, y0, xh, yh; std::cin >> x0 >> y0 >> xh >> yh; double dx = x0 - (x0 + xh) / 2; double dy = y0 - (y0 + yh) / 2; double ox = cos(M_PI * 2 / N); double oy = sin(M_PI * 2 / N); double x1 = dx * ox - dy * oy + (x0 + xh) / 2; double y1 = dy * ox + dx * oy + (y0 + yh) / 2; std::cout << x1 << ' ' << y1 << std::endl; // std::deque<int> A; // for (int i = 0; i < N; i++) { // int n; // std::cin >> n; // A.push_back(n); // } // // std::cout << N << std::endl; // // for (int i = 0; i < A.size(); i++) { // // std::cout << i << std::endl; // // } // const int result = search(0, A); // std::cout << result << std::endl; return 0; }
/** P L E X I U S ** 2021 Jan 29 17:22:53 **/ #include<bits/stdc++.h> using namespace std; #define int long long void solve(){ int n; cin>>n; int cnt = 0; for(int i= 1; i*(i+1)<=2*n; i++) { if((n-i*(i-1)/2)%i==0) cnt++; } cout<<cnt*2<<"\n"; } int32_t main() { ios_base::sync_with_stdio(false); cin.tie(0); int t = 1; while(t--) solve(); }
#include <bits/stdc++.h> using namespace std; long long multi(string x){ long long a,i,minus,multiple=10000,n=x.size(); a=0; if(x[0]=='-'){ minus=-1; i=1; }else{ minus=1; i=0; } while(i<n){ if(x[i]=='.'){ i++; continue; }else{ a=a*10+(x[i]-'0'); i++; } } if(n>=2 && x[n-2]=='.'){ multiple=1000; }else if(n>=3 && x[n-3]=='.'){ multiple=100; }else if(n>=4 && x[n-4]=='.'){ multiple=10; }else if(n>=5 && x[n-5]=='.'){ multiple=1; }else{ multiple=10000; } return minus*a*multiple; } int main() { long long n,i,j,a,b,c,cur,lef,rig,ans; string x,y,r; cin >> x >> y >> r; a=multi(x); b=multi(y); c=multi(r); a=abs(a); b=abs(b); //a=x*10000; b=y*10000; c=r*10000; //cout << a <<' '<< b << ' '<< c << endl; /* lef=((a-c+10000000000+9999)/10000)*10000-10000000000; rig=((a+c+10000000000)/10000)*10000-10000000000; ans=0; for(i=lef; i<=rig; i+=10000){ cur=floor(sqrt(c*c-abs(a-i)*abs(a-i))); //cout << i << ' ' << cur << endl; ans+=((b+cur+10000000000)/10000)-((b-cur+10000000000+9999)/10000)+1; } cout << ans << endl; */ ans=0; long long ok,ng,mid,res; for(i=-300000; i<=300000; i++){ if(abs(i*10000-a)<=c){ res=c*c-abs(i*10000-a)*abs(i*10000-a); ok=-1; ng=10000000000; while(ng-ok>1){ mid=(ok+ng)/2; if(mid*mid<=res){ ok=mid; }else{ ng=mid; } } ans+=(ok+b+10000000000)/10000-(b-ng+10000000000)/10000; } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; #define rep(i, n) for (ll i = 0; i < (ll)(n); i++) #define repp(i, st, en) for (ll i = (ll)st; i < (ll)(en); i++) #define repm(i, st, en) for (ll i = (ll)st; i >= (ll)(en); i--) #define all(v) v.begin(), v.end() template<class in_chmax> void chmax(in_chmax &x, in_chmax y) {x = max(x,y);} template<class in_chmin> void chmin(in_chmin &x, in_chmin y) {x = min(x,y);} void Yes() {cout << "Yes" << endl; exit(0);} void No() {cout << "No" << endl; exit(0);} template<class in_Cout> void Cout(in_Cout x) {cout << x << endl; exit(0);} template<class in_vec_cout> void vec_cout(vector<in_vec_cout> vec) { for (in_vec_cout res : vec) {cout << res << " ";} cout << endl; } const ll inf = 1e18; const ll mod = 1e9 + 7; int main() { ll N, M; cin >> N >> M; vector<vector<ll>> a(N,vector<ll>(N,inf)); rep(i,M) { ll x, y, z; cin >> x >> y >> z; x--; y--; chmin(a[x][y],z); } vector<vector<ll>> dp(N+1,vector<ll>(1<<N)); dp[0][0] = 1; rep(i,N) { rep(bit,1<<N) { if (dp[i][bit]==0) continue; rep(j,N) { if ((bit>>j)&1) continue; ll nbit = bit | (1<<j); bool ng = false; ll cnt = 0; rep(k,N) { if ((nbit>>k)&1) cnt++; if (cnt>a[i][k]) ng = true; } if (ng) continue; dp[i+1][nbit] += dp[i][bit]; } } } ll X = (1<<N)-1; ll ans = dp[N][X]; Cout(ans); }
#include <bits/stdc++.h> int ri() { int n; scanf("%d", &n); return n; } int main() { int h = ri(); int w = ri(); int x = ri() - 1; int y = ri() - 1; std::string s[h]; for (int i=0; i<h; i++) std::cin >> s[i]; int cnt = -3; for (int i = x; i < h && s[i][y] != '#'; i++) cnt++; for (int i = x; i >= 0 && s[i][y] != '#'; i--) cnt++; for (int j = y; j < w && s[x][j] != '#'; j++) cnt++; for (int j = y; j >= 0 && s[x][j] != '#'; j--) cnt++; printf("%d\n", cnt); return 0; }
#include <bits/stdc++.h> using namespace std; //using namespace atcoder; struct fast_ios { fast_ios(){ cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_; #define FOR(i, begin, end) for(int i=(begin);i<(end);i++) #define REP(i, n) FOR(i,0,n) #define IFOR(i, begin, end) for(int i=(end)-1;i>=(begin);i--) #define IREP(i, n) IFOR(i,0,n) #define Sort(v) sort(v.begin(), v.end()) #define Reverse(v) reverse(v.begin(), v.end()) #define all(v) v.begin(),v.end() #define SZ(v) ((int)v.size()) #define Lower_bound(v, x) distance(v.begin(), lower_bound(v.begin(), v.end(), x)) #define Upper_bound(v, x) distance(v.begin(), upper_bound(v.begin(), v.end(), x)) #define chmax(a, b) a = max(a, b) #define chmin(a, b) a = min(a, b) #define bit(n) (1LL<<(n)) #define debug(x) cout << #x << "=" << x << endl; #define vdebug(v) { cout << #v << "=" << endl; REP(i_debug, v.size()){ cout << v[i_debug] << ","; } cout << endl; } #define mdebug(m) { cout << #m << "=" << endl; REP(i_debug, m.size()){ REP(j_debug, m[i_debug].size()){ cout << m[i_debug][j_debug] << ","; } cout << endl;} } #define pb push_back #define fi first #define se second #define int long long #define INF 1000000000000000000 template<typename T> istream &operator>>(istream &is, vector<T> &v){ for (auto &x : v) is >> x; return is; } template<typename T> ostream &operator<<(ostream &os, vector<T> &v){ for(int i = 0; i < v.size(); i++) { cout << v[i]; if(i != v.size() - 1) cout << endl; }; return os; } template<typename T1, typename T2> ostream &operator<<(ostream &os, pair<T1, T2> p){ cout << '(' << p.first << ',' << p.second << ')'; return os; } template<typename T> void Out(T x) { cout << x << endl; } template<typename T1, typename T2> void chOut(bool f, T1 y, T2 n) { if(f) Out(y); else Out(n); } using vec = vector<int>; using mat = vector<vec>; using Pii = pair<int, int>; using v_bool = vector<bool>; using v_Pii = vector<Pii>; //int dx[4] = {1,0,-1,0}; //int dy[4] = {0,1,0,-1}; //char d[4] = {'D','R','U','L'}; const int mod = 1000000007; //const int mod = 998244353; signed main(){ int H, W, X, Y; cin >> H >> W >> X >> Y; X--; Y--; vector<string> S(H); cin >> S; int ans = 1; IFOR(i, 0, X){ if(S[i][Y] == '.') ans++; else break; } FOR(i, X + 1, H){ if(S[i][Y] == '.') ans++; else break; } IFOR(j, 0, Y){ if(S[X][j] == '.') ans++; else break; } FOR(j, Y + 1, W){ if(S[X][j] == '.') ans++; else break; } Out(ans); return 0; }
#include <bits/stdc++.h> using namespace std; #define max(x,y) ((x)>(y)?(x):(y)) inline int read(){ int f=1,r=0;char c=getchar(); while(!isdigit(c))f^=c=='-',c=getchar(); while(isdigit(c))r=(r<<1)+(r<<3)+(c^48),c=getchar(); return f?r:-r; } const int N=2e5+5; int mx[N<<2],tg[N<<2]; #define ls (p<<1) #define rs (p<<1|1) inline void spread(int p){ if(!tg[p])return; tg[ls]+=tg[p],mx[ls]+=tg[p]; tg[rs]+=tg[p],mx[rs]+=tg[p]; tg[p]=0; } inline void change(int p,int l,int r,int x,int y,int val){ if(x<=l && r<=y){tg[p]+=val,mx[p]+=val;return;} spread(p);int mid=(l+r)>>1; if(x<=mid)change(ls,l,mid,x,y,val); if(y>mid)change(rs,mid+1,r,x,y,val); mx[p]=max(mx[ls],mx[rs]); } int main(){ int n=read(),w=read(); while(n--){ int l=read()+1,r=read(),x=read(); change(1,1,2e5,l,r,x); if(mx[1]>w)puts("No"),exit(0); } puts("Yes"); return 0; }
#include <bits/stdc++.h> #define rei register int #define ll long long using namespace std; const int N=4e5+100; int head[N],ver[N],Next[N],tot; int depth[N],len[N]; int son[N]; int ans[N],cnt; int root,n; inline void add(int u,int v){ ver[++tot]=v; Next[tot]=head[u]; head[u]=tot; } void init(int x,int fa){ depth[x]=depth[fa]+1; if(depth[root]<depth[x]) root=x; for(rei i=head[x];i;i=Next[i]){ rei y=ver[i]; if(y==fa) continue; init(y,x); } } void dfs(int x,int fa){ for(rei i=head[x];i;i=Next[i]){ rei y=ver[i]; if(y==fa) continue; dfs(y,x); len[x]=max(len[x],len[y]+1); if(!son[x] || len[y]>len[ son[x] ]) son[x]=y; } } void calc(int x,int fa){ ans[x]=++cnt; for(rei i=head[x];i;i=Next[i]){ rei y=ver[i]; if(y==fa || y==son[x]) continue; calc(y,x); ++cnt; } if(son[x]) calc(son[x],x),++cnt; } int main(){ scanf("%d",&n); for(rei i=1;i<n;++i){ rei x,y; scanf("%d%d",&x,&y); add(x,y),add(y,x); } init(1,0); dfs(root,0); calc(root,0); for(rei i=1;i<=n;++i) printf("%d ",ans[i]); puts(""); getchar(); getchar(); return 0; }
#include "bits/stdc++.h" #define ll long long int #define ld long double #define fastIO ios_base::sync_with_stdio(false); cin.tie(nullptr) #define pb push_back using namespace std; typedef pair<int, int> pii; int main() { fastIO; string s; cin >> s; map<int, int> digits; for (int i = 0; i < s.length(); i++) { int d = s[i] - '0'; digits[d]++; } bool possible = false; int i; if (s.length() == 1) i = 8; else if (s.length() == 2) i = 16; else i = 104; for (; i < 1000; i += 8) { map<int, int> temp; int num = i; while (num > 0) { temp[num % 10]++; num /= 10; } bool poss = true; for (pii p : temp) { if (digits[p.first] < p.second) poss = false; } possible |= poss; } if (possible) cout << "Yes"; else cout << "No"; }
#include <bits/stdc++.h> #define rep(i,n) for(ll i=0;i<n;++i) #define rrep(i, n) for(ll i=n-1;i>=0;--i) #define rep1(i, n) for(ll i=1; i<=n; ++i) #define repitr(itr,mp) for(auto itr=mp.begin();itr!=mp.end();itr++) #define ALL(a) (a).begin(),(a).end() template<class T> void chmax(T &a, const T &b){if(a < b){a = b;}} template<class T> void chmin(T &a, const T &b){if(a > b){a = b;}} using namespace std; using ll = long long; using ull = unsigned long long; using pll = pair<ll, ll>; const ll MOD = 1e9 + 7; const ll LINF = 1LL << 60; const int INF = 1e9 + 7; const double PI = 3.1415926535897932384626433; ll Str2Long(string s){ reverse(ALL(s)); ll n = 0; rep(i, s.size()){ n += (s[i]-'0')*pow(10, i); } return n; } string Long2Str(ll x){ if(x <= 0)return ""; char c = '0' + x % 10; return Long2Str(x/10) + c; } int main(){ string s; cin >> s; if(s.size() == 1){ if(s == "8" || s=="0")cout << "Yes"; else cout << "No"; return 0; } if(s.size() == 2){ if(Str2Long(s) % 8 == 0)cout << "Yes"; else { reverse(ALL(s)); if(Str2Long(s) % 8 == 0)cout << "Yes"; else cout << "No"; } return 0; } vector<ll> cnt(10, 0); for(char c: s){ cnt[c - '0']++; } for(ll i = 104; i <= 992; i += 8){ string s_i = Long2Str(i); ll cnt_0 = cnt[s_i[0] - '0']; ll cnt_1 = cnt[s_i[1] - '0']; ll cnt_2 = cnt[s_i[2] - '0']; if(cnt_0 * cnt_1 * cnt_2 == 0)continue; bool ok = false; if(s_i[0] == s_i[1] && s_i[0] == s_i[2]){ if(cnt_0 >= 3)ok = true; } else if(s_i[0] == s_i[1]){ if(cnt_0 >= 2 && cnt_2 >= 1)ok = true; } else if(s_i[1] == s_i[2]){ if(cnt_0 >= 1 && cnt_1 >= 2)ok = true; } else if(cnt_0 >= 1 && cnt_1 >= 1 && cnt_2 >= 1)ok = true; if(ok){ cout << "Yes"; return 0; } } cout << "No"; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for(ll i=0; i<(ll)n; i++) #define ALL(obj) begin(obj), end(obj) typedef long long ll; int n, m, a, b, cnt; vector<vector<int> > G(22); vector<int> color(22, -1), ts; vector<bool> vit(22, 0); void dfs(int now){ ts.push_back(now); vit[now]=1; for(int i : G[now]){ if(!vit[i]) dfs(i); } } ll DFS(int i){ if(i==ts.size()) return 1; ll ret=0; rep(j, 3){ bool f=1; for(int v:G[ts[i]]){ if(color[v]==j) f=0; } if(!f) continue; color[ts[i]]=j; ret+=DFS(i+1); color[ts[i]]=-1; } return ret; } int main() { cin>>n>>m; ll ans=1; rep(i, m){ cin>>a>>b; a--; b--; G[a].push_back(b); G[b].push_back(a); } rep(i, n){ if(vit[i]) continue; dfs(i); fill(ALL(color), -1); ans*=DFS(0); ts.clear(); } cout<<ans<<endl; return 0; }
#pragma GCC optimize("O3") #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; #define ordered_set tree<int,null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> #define ordered_set_pair tree<pair<int,int>,null_type,less<pair<int,int>>, rb_tree_tag,tree_order_statistics_node_update> #define ordered_set_mutiset tree<int,null_type,less_equal<int>, rb_tree_tag,tree_order_statistics_node_update> typedef long long int ll; typedef long double ld; typedef unsigned long long int ull; typedef pair<int,int> pi; #define PI 3.1415926535897932384 #define FOR(i,vv,n) for(ll i=vv;i<n;i++) #define FORR(i,n,vv) for(ll i=n-1;i>=vv;i--) #define ve vector #define maxind(v) (max_element(v.begin(),v.end())-v.begin()) #define minind(v) (min_element(v.begin(),v.end())-v.begin()) #define maxe(v) *max_element(v.begin(),v.end()) #define mine(v) *min_element(v.begin(),v.end()) #define pb push_back #define pf push_front #define ppb pop_back #define ppf pop_front #define eb emplace_back #define FAST ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); #define mp make_pair #define M 1000000007ll #define INF 1000000000000000000ll #define PRECISE cout.precision(18); #define BS(v,n) binary_search(v.begin(),v.end(),n) #define srt(v) sort(v.begin(),v.end()) #define rsrt(v) sort(v.begin(),v.end(),greater <ll>()) #define uni(v) v.resize(unique(v.begin(),v.end())-v.begin()) #define F first #define S second #define GET(i,p) get<p>(i) int main(){ #ifndef ONLINE_JUDGE // for getting input from input.txt freopen("input.txt", "r", stdin); // for writing output to output.txt freopen("output.txt", "w", stdout); #endif FAST ll n;cin>>n; string s,t; cin>>s>>t; ll ans = 0; ll k1 = 0,k2 = 0; FOR(i,0,n){ if(s[i]-'0'==0)k1++; if(t[i]-'0'==0)k2++; } if(k1!=k2)ans=-1; else{ ve <ll> z(2); ll don = 0; FOR(i,0,n){ ll x1 = s[i]-'0'; ll x2 = t[i]-'0'; if(z[x2]>0){ z[x2]--; } else{ ll c1 = 0; while(s[don]-'0'!=x2){ c1++;don++; } don++; z[1-x2]+=c1; if(x2==0){ if(c1!=0||(c1==0&&z[1]!=0))ans++; } else{ if(c1!=0)ans+=c1; } } } } cout<<ans; return 0; }
#include <bits/stdc++.h> #define fastio ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); #define endl "\n" #define rep(i,n) repi(i,0,n) #define repi(i,a,n) for(ll i=a;i<(ll)n;++i) #define ALL(a) (a).begin(),(a).end() #define RALL(a) (a).rbegin(),(a).rend() using namespace std; using ll = long long; using P = pair<ll, ll>; void YN(bool a) { cout << (a ? "Yes" : "No") << endl; } 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; } void show(){ cout << endl; } template <class Head, class... Tail> void show(Head&& head, Tail&&... tail){ cout << head << " "; show(std::forward<Tail>(tail)...); } template<class T> inline void showall(T& a) { for(auto v:a) cout<<v<<" "; cout<<endl; } void solve() { ll t; cin >> t; rep(ti, t) { ll l, r; cin >> l >> r; ll ans = 0; if (r < l * 2) ans = 0; else if (r == l * 2) ans = 1; else { r -= (l - 1) * 2 + 1; ans = (r) * (r + 1) / 2; } show(ans); } } int main() { fastio; solve(); return 0; }
#include <bits/stdc++.h> /*#include <iostream> #include <algorithm> #include <math.h> #include <iomanip> #include <string> #include <vector> #include <set> #include <sstream>*/ #define ll long long #define fop(i,m,n) for(int i=m; i<n; i++) #define fastIO ios::sync_with_stdio(0), cin.tie(0), cout.tie(0) #define X first #define Y second #define pb push_back #define mp make_pair #define all(v) v.begin(),v.end() #define ep emplace_back using namespace std; const long long MOD = 1e9+7; const long long N = 1e9+5; const long long Nlog = 17; const long long Hash = 257; const double PI = 2.0*acos(0.0);//<cmath> //const double PI = 3.141592653; const double E = 2.718281828; bool cmp(pair<ll, int> a, pair<ll, int> b){ return a.X<b.X; } void solve(){ int k; ll n, m; cin >> k >> n >> m; ll a[k]; fop(i,0,k) cin >> a[i]; ll l[k], num = m; pair<ll, int> c[k]; fop(i,0,k){ l[i] = m*a[i]/n; c[i].X = (n*l[i])-(m*a[i]); c[i].Y = i; num-=l[i]; } ll ans[k]; fop(i,0,k) ans[i] = l[i]; sort(c, c+k, cmp); fop(i,0,num) ans[c[i].Y]++; fop(i,0,k) cout << ans[i] << ' '; } int main() { fastIO; int t=1; //cin >> t; while(t--) solve(); return 0; }
#include<bits/stdc++.h> using namespace std; int n,a[200005],parent[200005],s=0; int findparent(int x) { if (x==parent[x]) return x; return parent[x]=findparent(parent[x]); } void Union(int u,int v) { int p=findparent(u);//find parents of u int q=findparent(v);//find parents of v; if(p!=q)parent[q]=p; } int main() { cin>>n; for (int i=1; i<=n; i++) cin>>a[i],parent[a[i]]=a[i]; for (int i=1; i<=n; i++) { int x=findparent(a[i]); int y=findparent(a[n-i+1]); if (x!=y) { s++; Union(x,y); } } cout<<s<<endl; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using P = pair<ll, ll>; #define drep(i, cc, n) for (ll i = (cc); i <= (n); ++i) #define rep(i, n) drep(i, 0, n - 1) #define all(a) (a).begin(), (a).end() #define pb push_back #define fi first #define se second const ll MOD = 1000000007; const ll MOD2 = 998244353; const ll INF = 1e18; const ll n_max = 2e5 + 1; vector<vector<ll>> G(n_max); vector<bool> check(n_max, false); ll dfs(ll v){ if(check[v]) return 0; check[v] = true; ll ret = 0; for(ll u : G[v]){ if(check[u]) continue; ret += dfs(u) + 1; } return ret; } int main(){ ll n; cin >> n; vector<ll> a(n); rep(i, n) cin >> a[i]; for(ll i = 0; i <= (n-1)/2; i++){ if(a[i] != a[n-1-i]){ G[a[i]].pb(a[n-1-i]); G[a[n-1-i]].pb(a[i]); } } ll ans = 0; drep(i, 1, n_max-1){ if(check[i]) continue; ans += dfs(i); } cout << ans << endl; }
#include <iostream> #include <bits/stdc++.h> using namespace std; void amain() { long long n; cin >> n; if (n%4==0) cout << "Even" << endl; if (n%4==2) cout << "Same" << endl; if (n%2) cout << "Odd" << endl; return; } int main() { ios_base::sync_with_stdio(0); int t; cin >> t; while (t--) amain(); return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; using ld = long double; #define all(a) (a).begin(), (a).end() #define mp make_pair template<typename T1, typename T2> inline void chkmin(T1& x, const T2& y) { if (y < x) x = y; } template<typename T1, typename T2> inline void chkmax(T1& x, const T2& y) { if (x < y) x = y; } int getLen(ll x) { int ans = 0; while (x) { ans++; x /= 10; } return ans; } int getPow(int len) { int ans = 1; for (int i = 0; i < len; ++i) { ans *= 10; } return ans; } ll get(ll x) { return x * getPow(getLen(x)) + x; } signed main() { ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); cout.precision(20), cout.setf(ios::fixed); ll n; cin >> n; int ans = 0; int x = 1; while (true) { ll have = get(x); if (have > n) break; ++ans; ++x; } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using P = pair<ll, ll>; constexpr char newl = '\n'; int main() { cin.tie(nullptr); ios::sync_with_stdio(false); int n, m; cin >> n >> m; vector<ll> w(n); for (int i = 0; i < n; i++) { cin >> w[i]; } vector<P> vl(m); for (int i = 0; i < m; i++) { cin >> vl[i].second >> vl[i].first; vl[i].second = -vl[i].second; } sort(vl.begin(), vl.end()); { ll maxw = 0; for (int i = 0; i < n; i++) { maxw = max(maxw, w[i]); } if (maxw > vl[0].first) { cout << -1 << newl; return 0; } } map<ll, ll> memo; { ll maxl = 0; for (int i = 0; i < m; i++) { if (maxl < -vl[i].second) { maxl = -vl[i].second; memo[vl[i].first] = maxl; } } } vector<int> ids(n); iota(ids.begin(), ids.end(), 0); ll ans = 1e18; ll foo = 0; do { vector<ll> dp(n, 0); for (int ii = 0; ii < n; ii++) { int i = ids[ii]; ll wsum = w[i]; for (int jj = ii + 1; jj < n; jj++) { int j = ids[jj]; wsum += w[j]; auto it = memo.lower_bound(wsum); if (it == memo.begin()) continue; dp[jj] = max(dp[jj], dp[ii] + prev(it)->second); } } ans = min(ans, dp.back()); } while (next_permutation(ids.begin(), ids.end())); cout << ans << newl; return 0; }
#include<iostream> using namespace std; int l[200005], r[200005]; long long dp[200005][2]; int n, x, c; const int aa = 1 << 30; int main() { cin >> n; fill(l + 1, l + 1 + n,aa); fill(r + 1, r + 1 + n,-aa); for (int i = 1; i <= n; i++) { cin >> x >> c; l[c] = min(l[c], x); r[c] = max(r[c], x); } for (int i = 1, j = 0; i <= n + 1; i++) { if (l[i] != aa) { dp[i][0] = min(dp[j][0] + abs(r[i] - l[j]), dp[j][1] + abs(r[i] - r[j])); dp[i][1] = min(dp[j][0] + abs(l[i] - l[j]), dp[j][1] + abs(l[i] - r[j])); dp[i][0] += abs(l[i] - r[i]), dp[i][1] += abs(l[i] - r[i]); j = i; } } cout << dp[n + 1][0]; return 0; }
#include <string> #include <iostream> #include <vector> #include <algorithm> //#include <bits/stdc++.h> using namespace std; int main() { int H, W; cin >> H >> W; vector<vector<int>> X(H, vector<int>(W)); for (int i = 0; i < H; ++i) { for (int j = 0; j < W; ++j) { cin >> X[i][j]; } } int min_val = X[0][0]; for (int i = 0; i < H; ++i) { for (int j = 0; j < W; ++j) { if(min_val > X[i][j]){ min_val = X[i][j]; } } } int ans = 0; for (int i = 0; i < H; ++i) { for (int j = 0; j < W; ++j) { ans = ans + X[i][j] - min_val; } } cout << ans; return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long #define mp make_pair #define rep(i,a,b) for( i=a;i<b;++i) #define repr(i,a,b) for( i=a;i>=b;i--) #define up upper_bound #define lb lower_bound // #define t() int test;cin>>test;while(test--) #define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); #define TRACE #ifdef TRACE #define trace(...) __f(#__VA_ARGS__, __VA_ARGS__) template <typename Arg1> void __f(const char* name, Arg1&& arg1){ cout << name << " : " << arg1 << endl; //use cerr if u want to display at the bottom } template <typename Arg1, typename... Args> void __f(const char* names, Arg1&& arg1, Args&&... args){ const char* comma = strchr(names + 1, ','); cout.write(names, comma - names) << " : " << arg1<<" | ";__f(comma+1, args...); } #else #define trace(...) #endif ll dp[2000][2000]; ll down[2000][2000]; ll rig[2000][2000]; ll diag[2000][2000]; const ll mod = 1000000007; int main() { #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif IOS; ll h,w; cin >> h >> w; vector<vector<char>> a(h,vector<char> (w)); for(ll i = 0;i < h;i++){ for(ll j = 0;j < w;j++){ cin >> a[i][j]; } } dp[0][0] = 1; for(ll i = 0;i < h;i++){ for(ll j = 0;j < w;j++){ if(i == 0 && j == 0){ continue; } if(a[i][j] == '#'){ continue; } if(j > 0){ rig[i][j] = (rig[i][j-1] + dp[i][j-1])%mod; } if(i > 0){ down[i][j] = (down[i-1][j] + dp[i-1][j])%mod; } if(i > 0 && j > 0){ diag[i][j] = (diag[i-1][j-1] + dp[i-1][j-1])%mod; } dp[i][j] = (rig[i][j] + down[i][j] + diag[i][j])%mod; } } cout << dp[h-1][w-1] << "\n"; return 0; }
#include <bits/stdc++.h> #define ff first #define ss second #define pb push_back #define eb emplace_back #define mp make_pair #define mt make_tuple #define pii pair<int, int> #define pll pair<long long,long long> #define vl vector<long long> #define vll vector<pll> #define vi vector<int> #define vii vector<pii> #define sws ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); #define endl '\n' #define tcase int tt; cin>>tt; while(tt--) #define tcase2 int tt; cin>>tt; for(int qq=1;qq<=tt;qq++) using namespace std; typedef long long int ll; typedef unsigned long long int ull; typedef long double ld; const int MAXN = 1000002; const int MOD2 = 998244353; const int MOD = 1000000007; const int INF = 1e8; const ld EPS = 1e-7; // Extra #define forn(i, n) for(int i = 0; i < (int)n; i++) #define forne(i, a, b) for(int i = a; i <= b; i++) #define all(x) x.begin(), x.end() #define trav(a, x) for(auto& a : x) #define fill(x,y) memset(x,y,sizeof(x)) /* run this program using the console pauser or add your own getch, system("pause") or input loop */ ll mul(ll x, ll y) { return (x * 1ll * y) % MOD; } ll fastpow(ll x, ll y) { ll z = 1; while(y) { if(y & 1) z = mul(z, x); x = mul(x, x); y >>= 1; } return z; } ll modinv(ll n,ll p) { return fastpow(n,p-2) ; } struct Comp { bool operator()(const std::pair<int, int> &a, const std::pair<int, int> &b) { if (a.first != b.first) { return a.first > b.first; } return a.second >b.second; } }; int main(int argc, char** argv) { sws ; cout<<setprecision(10); // ll google=0 ; // tcase { ll a,b,c ; cin>>a>>b>>c; if(a<=0&&b<=0) { a*=-1 ; b*=-1; if(c%2) { if(a==b) cout<<"=" ; else if(a>b) cout<<"<" ; else cout<<">" ; } else { if(a==b) cout<<"=" ; else if(a>b) cout<<">" ; else cout<<"<" ; } } else if(a>=0&&b>=0) { if(a==b) cout<<"=" ; else if(a>b) cout<<">" ; else cout<<"<" ; } else if(a>=0&&b<=0) { if(c%2) cout<<">" ; else { b*=-1 ; if(a==b) cout<<"=" ; else if(a>b) cout<<">" ; else cout<<"<" ; } } else { if(c%2) cout<<"<" ; else { a*=-1 ; if(a==b) cout<<"=" ; else if(a>b) cout<<">" ; else cout<<"<" ; } } } return 0 ; }
#include<iostream> #include<vector> #include<algorithm> #include<set> #include<map> #include<queue> #include<cmath> #include<iomanip> #include<cstring> #include<complex> #include<cstdio> #define initdp(a,b) for(int i=0;i<=a;i++)for(int j=0;j<=b;j++)dp[i][j]=-1; #define fi first #define se second #define pb push_back #define pii pair<int,int> #define ppi pair<pii,int> #define pip pair<int,pii> #define ll long long #define pll pair<ll,ll> #define rep(i,n) for(int i=0;i<n;i++) #define repd(i,n) for(int i=n-1;i>=0;i--) #define inf 1000000001 #define inf1 1000000000000000001 #define mod 1000000007 #define pie 3.14159265358979323846 #define N 100005 #define mid(l,r) l+(r-l)/2 #define removeduplicates(vec) vec.erase( unique( vec.begin(), vec.end() ), vec.end() ) #define memset1(v) memset(v,-1,sizeof(v)) #define memset0(v) memset(v,0,sizeof(v)) using namespace std; int dx[4]={1,0,-1,0},dy[4]={0,1,0,-1}; int ddx[8]={1,1,0,-1,-1,-1,0,1},ddy[8]={0,1,1,1,0,-1,-1,-1}; void mad(ll &a,ll b){a=(a+b)%mod;if(a<0)a+=mod;} ll gcd(ll a,ll b){ if(!a)return b;return gcd(b%a,a);} int n,m; vector<pii>ed[2005]; void solve(){ cin>>n>>m; rep(i,m){ int u,v,c; cin>>u>>v>>c; ed[u].pb(pii(v,c)); } for(int i=1;i<=n;i++){ int d[n+1]; for(int i=1;i<=n;i++)d[i]=inf; priority_queue<pii>pq; for(pii p:ed[i]){ pq.push(pii(-p.se,p.fi)); d[p.fi]=min(d[p.fi],p.se); } while(!pq.empty()){ pii p=pq.top(); int u=p.se; int d1=-p.fi; pq.pop(); if(d1>d[u])continue; for(pii p:ed[u]){ if(d[p.fi]>d1+p.se){ d[p.fi]=d1+p.se; pq.push(pii(-d[p.fi],p.fi)); } } } if(d[i]>=inf)cout<<-1<<"\n"; else cout<<d[i]<<"\n"; } } int32_t main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int t=1; //cin>>t; while(t--){ solve(); } }
# include<bits/stdc++.h> using namespace std; # define l long long # define db double # define rep(i,a,b) for(l i=a;i<b;i++) # define vi vector<l> # define vvi vector<vi> # define vsi vector<set<l> > # define pb push_back # define mp make_pair # define ss second # define ff first # define pii pair<l,l> # define trvi(v,it) for(vi::iterator it=v.begin();it!=v.end();++it) # define read(a) freopen(a,"r",stdin) # define write(a) freopen(a,"w",stdout) # define io ios::sync_with_stdio(false) template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << '(' << p.first << ' ' << p.second << ')'; } template<typename T_container, typename T = typename enable_if<!is_same<T_container, string>::value, typename T_container::value_type>::type> ostream& operator<<(ostream &os, const T_container &v) { os << '{'; string sep; for (const T &x : v) os << sep << x, sep = ", "; return os << '}'; } #ifdef KRISHNAN_DEBUG void dbg_out() { cerr << endl; } template<typename Head, typename... Tail> void dbg_out(Head H, Tail... T) { cerr << ' ' << H; dbg_out(T...); } #define dbg(...) cerr << "(" << #__VA_ARGS__ << "):", dbg_out(__VA_ARGS__) #else #define dbg(...) #endif const bool MULTIPLE_TEST_CASES = false; const l MOD=1e9+7; const l N=1e5+5; const l INF=1e12; l H,W,A,B; void cnt(vector<vector<bool> > &visited, l A_rem, l B_rem, l &ans) { if(A_rem<0 || B_rem<0) { return; } if(A_rem==0 && B_rem==0) { ans++; return; } bool found = false; l i=-1,j=-1; for(l x=0;x<H;x++) { for(l y=0;y<W;y++) { if(visited[x][y]==false) { i=x; j=y; found = true; break; } } if(found) { break; } } if(i==-1 || j==-1) { return; } dbg(i,j); visited[i][j]=true; cnt(visited, A_rem, B_rem-1,ans); if(i+1<H && visited[i+1][j]==false) { visited[i+1][j]=true; cnt(visited, A_rem-1, B_rem,ans); visited[i+1][j]=false; } if(j+1<W && visited[i][j+1]==false) { visited[i][j+1]=true; cnt(visited, A_rem-1, B_rem,ans); visited[i][j+1]=false; } visited[i][j] = false; } void solve() { cin>>H>>W>>A>>B; vector<vector<bool> > visited(H, vector<bool>(W, false)); l ans = 0; cnt(visited, A, B, ans); cout<<ans<<"\n"; return; } int main(){ io; int t=1; if (MULTIPLE_TEST_CASES) cin>>t; rep(i,0,t) { solve(); } return 0; }
#include <iostream> #include <vector> #include <algorithm> using namespace std; using VI = vector<int>; int h, w; int g(VI& a, int i, int d); int f(VI& v) { int i = find(cbegin(v), cend(v), 0) - cbegin(v); return i < v.size() ? g(v, i, 0) + g(v, i, 1) : 1; } int g(VI& v, int i, int d) { int j = i + (d ? w : 1); if (!d && i % w == w - 1 || d && i / w == h - 1 || v[j]) { return 0; } v[i] = v[j] = 1; int r = f(v); v[i] = v[j] = 0; return r; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int a, b; cin >> h >> w >> a >> b; VI v(2 * a); v.insert(end(v), b, 1); int r = 0; do r += f(v); while (next_permutation(begin(v), end(v))); cout << r << '\n'; return 0; }
/** * code generated by JHelper * More info: https://github.com/AlexeyDmitriev/JHelper * @author */ #include <iostream> #include <fstream> #ifndef PRELUDE_H #define PRELUDE_H #define M_PI 3.14159265358979323846 #define EPS 1e-9 #include <algorithm> #include <cmath> #include <numeric> #include <vector> #include <set> #include <map> #include <queue> #include <iostream> #include <iomanip> #include <string> #include <sstream> typedef long long ll; typedef unsigned long long ull; typedef long double ld; typedef std::pair<int, int> ii; typedef std::pair<ll, ll> llll; typedef std::pair<int, ll> ill; typedef std::pair<double, double> dd; typedef std::vector<int> vi; typedef std::vector<ii> vii; typedef std::vector<vi> vvi; typedef std::vector<vvi> vvvi; typedef std::vector<vii> vvii; typedef std::vector<ill> vill; typedef std::vector<vill> vvill; typedef std::vector<bool> vb; typedef std::vector<char> vc; typedef std::vector<std::vector<char>> vvc; typedef std::vector<ll> vll; typedef std::vector<vll> vvll; typedef std::vector<llll> vllll; typedef std::vector<double> vd; typedef std::vector<dd> vdd; typedef std::string ss; typedef std::vector<ss> vss; typedef std::vector<vss> vvss; typedef std::set<int> si; typedef std::set<ii> sii; typedef std::set<ll> sll; typedef std::map<int, int> mii; typedef std::map<char, int> mci; typedef std::queue<int> qi; typedef std::vector<std::pair<int, ii>> EdgeList; #define REP(i,n) for(int i=0;i<n;++i) #define DEBUG(a) #a << ": " << (a) << " " << #define ENDL "\n" #define REPLL(l,n) for(ll l=0;l<n;++l) #define FOR(i,s,n) for(int i=s;i<=n;++i) #define FOREACH(it,a) for(auto it=a.begin(); it != a.end(); ++it) #endif //PRELUDE_H class EWhiteAndBlackBalls { public: vll fac, invfac; ll mod = 1'000'000'000 + 7; std::tuple<ll, ll, ll> extendedEuclid(ll a, ll b) { if (b == 0) { return {a, 1, 0}; } auto [d, x, y] = extendedEuclid(b, a % b); ll x1 = y; ll y1 = x - (a / b) * y; return {d, x1, y1}; } ll modularInverse(ll a, ll n) { auto [d, x, y] = extendedEuclid(a, n); return (x + n) % n; } ll choose (ll n, ll k) { if (k > n) { return 0; } return fac[n] * invfac[k] % mod * invfac[n-k] % mod; } void solve(std::istream& in, std::ostream& out) { ll n, m, k; in >> n >> m >> k; if (n > m + k) { out << 0; return; } fac = vll(n+m+1); invfac = vll(n+m+1); fac[0] = 1; invfac[0] = 1; for(int i = 1; i <= n+m; ++i) { fac[i] = i * fac[i-1] % mod; invfac[i] = modularInverse(fac[i], mod); } ll ans = choose(n+m, n) - choose(n+m, m+k+1); ans = (ans + mod) % mod; out << ans; } }; int main() { std::ios_base::sync_with_stdio(false); std::cin.tie(NULL); std::cout << std::fixed; std::cout << std::setprecision(15); EWhiteAndBlackBalls solver; std::istream& in(std::cin); std::ostream& out(std::cout); solver.solve(in, out); return 0; }
#include <bits/stdc++.h> #define MAXN 2000005 #define ll long long #define F first #define S second #define MOD 1000000007 #define ll long long using namespace std; ll n, m, k; ll gt[MAXN], inv[MAXN]; ll poW(ll A, ll B) { ll C = 1; for(; B; B /= 2, A = (A * A) % MOD) { if(B % 2) C = (C * A) % MOD; } return C; } ll C(ll A, ll B) { if(B < A) return 0; ll res = (((gt[B] * inv[A] ) % MOD ) * inv[B - A] ) % MOD; return res; } void solve() { cin >> n >> m >> k; //if(n < m) swap(n, m); if(n > m + k) { cout << 0; return; } gt[0] = 1; for(int i = 1; i <= n + m; ++i) { gt[i] = (gt[i-1] * i) % MOD; } inv[n+m] = poW(gt[n + m], MOD - 2); for(int i = n + m - 1; i >= 0; --i) { inv[i] = (inv[i + 1] * (i + 1)) % MOD; } ll ans = C(m, n + m) % MOD; ans = (ans - C(m + k + 1, n + m)) % MOD; if(ans < 0 ) ans += MOD; cout << ans; } int main() { ios_base :: sync_with_stdio(0); cin.tie(); cout.tie(); if(fopen(".inp", "r")) { freopen(".inp", "r", stdin); freopen(".out", "w", stdout); } int t; t = 1; //cin >> t; while(t--) { //cerr << t << '\n'; solve(); } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<int> vi; typedef vector<string> vs; #define PB push_back #define pb pop_back int main(){ ios::sync_with_stdio(0); cin.tie(0); int a,b; cin>>a>>b; a *=2; a += 100; cout<< a - b; return 0; }
#include <bits/stdc++.h> #define int long long #define fastio ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); using namespace std; signed main(){ fastio int n,k; cin >> n >> k; auto f = [&](int a, int b){ return min(b-1,2*a+1-b); }; int ans = 0; for(int i = 2;i <= 2*n;i++){ if(i-k < 2 || i-k > 2*n) continue; ans += f(n,i)*f(n,i-k); } cout << ans << "\n"; }
#include <bits/stdc++.h> #include <chrono> using namespace std; using namespace chrono; typedef long long int ll; typedef unsigned long long int ull; 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=0ll;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 JD // #define TIME /******************************************************************************************************************************/ const ll inf = 2e18; const ll mod = 1e9+7; const ll N = 1e6+3; int main() { auto start_time = Clock; FASTIO #ifndef JD freopen("in.txt","r",stdin); freopen("out.txt","w",stdout); #endif ll n,x; string s; cin>>n>>x>>s; for(auto i: s) { if(i=='o') ++x; else --x; chmax(x,0ll); } cout<<x; 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 <iostream> using namespace std; int main() { int N,X; cin >> N >> X; string s; cin >> s; for(int i=0;i<N;i++) { if(s[i]=='x' && X==0) { continue; } else if(s[i]=='x' && X!=0) { X--; } else if(s[i]=='o') { X++; } } cout << X << endl; return 0; }
#include <iostream> #include <algorithm> #include <vector> #include <deque> #include <queue> #include <set> #include <iomanip> #include <cmath> #include <map> #include <bitset> #include <numeric> using namespace std; using ll = long long; struct UnionFind { vector<int> data; UnionFind(int sz) { data.assign(sz, -1); } bool unite(int x, int y) { x = find(x), y = find(y); if (x == y) return (false); if (data[x] > data[y]) swap(x, y); data[x] += data[y]; data[y] = x; return (true); } bool same(int x, int y) { x = find(x), y = find(y); return x == y; } int find(int k) { if (data[k] < 0) return (k); return (data[k] = find(data[k])); } int size(int k) { return (-data[find(k)]); } }; int main() { ll N; cin >> N; vector<ll> A(N); vector<ll> B(N); vector<ll> P(N); for (size_t i = 0; i < N; i++) { cin >> A[i]; } for (size_t i = 0; i < N; i++) { cin >> B[i]; } priority_queue<ll> odd_plus; priority_queue<ll> odd_minus; ll odds = 0; ll ans = 0; for(int i = 0;i < N;i++){ if (A[i] > B[i]){ ans += A[i]; if (i % 2 == 0){ odds--; odd_plus.push(B[i]-A[i]); }else{ odds++; odd_minus.push(B[i]-A[i]); } }else{ ans += B[i]; if (i % 2 == 0){ odd_minus.push(A[i]-B[i]); }else{ odd_plus.push(A[i]-B[i]); } } } while(odds > 0){ ans += odd_minus.top(); odd_minus.pop(); odds--; } while(odds < 0){ ans += odd_plus.top(); odd_plus.pop(); odds++; } cout << ans << endl; return 0; }
#include <bits/stdc++.h> #define fi first #define se second #define lc (x << 1) #define rc (x << 1 | 1) #define gc getchar() //(p1==p2&&(p2=(p1=buf)+fread(buf,1,size,stdin),p1==p2)?EOF:*p1++) #define mk make_pair #define pii pair<int, int> #define pll pair<ll, ll> #define pb push_back #define IT iterator #define V vector #define TP template <class o> #define TPP template <typename t1, typename t2> #define SZ(a) ((int)a.size()) #define all(a) a.begin(), a.end() #define rep(i, a, b) for (int i = a; i <= b; i++) #define REP(i, a, b) for (int i = b; i >= a; i--) #define FOR(i,n) rep(i,1,n) #define debug(x) cerr << #x << ' ' << '=' << ' ' << x << endl using namespace std; typedef unsigned ui; typedef long long ll; typedef unsigned long long ull; typedef double db; typedef long double ld; const int N = 2e5 + 10, size = 1 << 20, mod = 998244353, inf = 2e9; const ll INF = 1e15; // char buf[size],*p1=buf,*p2=buf; TP void qr(o& x) { char c = gc; x = 0; int f = 1; while (!isdigit(c)) { if (c == '-') f = -1; c = gc; } while (isdigit(c)) x = x * 10 + c - '0', c = gc; x *= f; } TP void qw(o x) { if (x / 10) qw(x / 10); putchar(x % 10 + '0'); } TP void pr1(o x) { if (x < 0) x = -x, putchar('-'); qw(x); putchar(' '); } TP void pr2(o x) { if (x < 0) x = -x, putchar('-'); qw(x); putchar(10); } // math ll gcd(ll a, ll b) { return !a ? b : gcd(b % a, a); } ll lcm(ll a, ll b) { return a / gcd(a, b) * b; } ll power(ll a, ll b = mod - 2, ll p = mod) { ll c = 1; while (b) { if (b & 1) c = c * a % p; b /= 2; a = a * a % p; } return c; } TP void cmax(o& x, o y) { if (x < y) x = y; } void cmax(int& x, int y) { x = x - y >> 31 ? y : x; } TP void cmin(o& x, o y) { if (x > y) x = y; } void cmin(int& x, int y) { x = x - y >> 31 ? x : y; } TPP void ad(t1& x, t2 y) { x += y; if (x >= mod) x -= mod; } TPP void dl(t1& x, t2 y) { x -= y; if (x < 0) x += mod; } // dbinom ll jc[N], inv[N]; void jc_init(int n) { jc[0] = 1; for (int i = 1; i <= n; i++) jc[i] = jc[i - 1] * i % mod; inv[n] = power(jc[n]); for (int i = n; i; i--) inv[i - 1] = inv[i] * i % mod; } ll C(int x, int y) { if (x < y || y < 0) return 0; return jc[x] * inv[y] % mod * inv[x - y] % mod; } int n, a[N], b[N]; ll ans, c[2][N]; void solve() { qr(n); FOR(i,n) qr(a[i]),ans += a[i]; FOR(i,n) qr(b[i]),c[i&1][(i+1)>>1]=b[i]-a[i]; sort(c[0]+1,c[0]+n/2+1); sort(c[1]+1,c[1]+n/2+1); REP(i,1,n/2) { ll x=c[0][i]+c[1][i]; if(x<0) break; ans += x; } pr2(ans); } int main() { int T = 1; // qr(T); while (T--) solve(); return 0; }
#include <algorithm> #include <cassert> #include <iostream> #include <memory> #include <numeric> #include <array> #include <deque> #include <map> #include <set> #include <tuple> #include <unordered_map> #include <unordered_set> #include <vector> #include <cstring> #include <ostream> #include <type_traits> #include <utility> #include <chrono> #include <random> #ifdef ONLINE_JUDGE #pragma GCC optimize ("O3") #pragma GCC target ("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #endif using namespace std; using uint64 = uint64_t; using int64 = int64_t; using uint32 = uint32_t; using vi = vector<int>; #define seq(i,a,b) for (auto i = (a); i < (b); ++i) #define rev(i,a,b) for (auto i = (b)-1; i >= (a); --i) #define sz(x) ((int)x.size()) #define all(x) x.begin(), x.end() #define dbg(x) {cerr << #x << ": " << x << endl;} int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int64 s,p; cin >> s >> p; int64 i = 1; while (i*i <= p) { if (p%i == 0) { if (i + p/i == s) { cout << "Yes" << endl; return 0; } } ++i; } cout << "No" << endl; }
///OM ///SUVOM SHAHA ///AUST CSE 39 #include<bits/stdc++.h> #define loo(i, n) for(int i = 0; i < n; i++) #define mod 1000000007 #define pb push_back #define ff first #define sc second #define ii pair<int, int> #define vi vector<int> #define vii vector<ii> #define ll long long int #define inf 1000000000 #define mpch map<char, int> #define mpint map<int, int> #define endl '\n' //to iterate map :for (auto i : mp): using namespace std; int main(void) { int a, b, i, j = 0; cin>>a>>b; int ara[a+b], n = a+b; if(a >= b){ for(i = 0; i < a; i++){ ara[i] = i+1; j += ara[i]; } for(i = a; i < n-1; i++){ ara[i] = -(ara[i-a]); j += ara[i]; } ara[n-1] = -(j); } else{ for(i = 0; i < b; i++){ ara[i] = -(i+1); j -= ara[i]; } for(i = b; i < n-1; i++){ ara[i] = -(ara[i-b]); j -= ara[i]; } ara[n-1] = j; } for(i = 0; i < n; i++){ if(i == n-1)cout<<ara[i]<<endl; else cout<<ara[i]<< " "; } return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long #define SZ(v) ((int)(v.size())) const int N = 2e5+9; void run () { int a, b, c; cin >> a >> b >> c; int sum = 6 * 7 / 2; sum -= a; sum -= b; sum -= c; cout << sum << endl; } int main () { int tt; tt = 1; // cin >> tt; while (tt--) run(); return 0; }
#include<bits/stdc++.h> using namespace std; #define rep(i,x,y) for(int i=(int)(x);i<(int)(y);i++) #define print(A,x,n) rep(i,0,n){cout<<(i ? " ":"")<<A[i]x;}cout<<endl; #define pprint(A,y,m,n) rep(j,0,m){print(A[j],y,n);} const long mod=1e9+7; const int siz=3e5; const int inf=1e9; int main(){ int a,b,c; cin>>a>>b>>c; cout<<21 - a - b - c<<endl; }
#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 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 //#include <atcoder/all> //using namespace atcoder; //typedef modint998244353 mint; ll inf=1001001001001001001; ll pls(ll a,ll b){ if(inf-a<b) return inf; return a+b; } ll mul(ll a,ll b){ if(a==0 or b==0) return 0; if(inf/a<b) return inf; return a*b; } int main(){ string S; cin>>S; ll M; cin>>M; if(S.size()==1){ if(stoi(S)<=M) cout<<1<<endl; else cout<<0<<endl; return 0; } ll ok=0; ll ng=inf; VL X(0); for(auto e:S) X.pb(e-'0'); ll ans=*max_element(all(X))+1; while(abs(ok-ng)>1){ ll mid=(ok+ng)/2; ll sum=0; ll tmp=1; rep(i,S.size()){ ll nu=mul(stoi(S.substr(S.size()-1-i,1)),tmp); sum=pls(sum,nu); tmp=mul(tmp,mid); } if(sum==inf or sum>M) ng=mid; else ok=mid; } cout<<max(0ll,ok-ans+1)<<endl; }
#include <bits/stdc++.h> using namespace std; using ll = long long; #define rep(i, n) for(int i=0, i##_len=(n); i<i##_len; ++i) #define all(x) (x).begin(),(x).end() using C = complex<double>; C inC() { double x, y; cin >> x >> y; return C(x, y); } int main() { int N; cin >> N; C p0 = inC(); C ph = inC(); C core = (p0 + ph) / 2.0; double PI = acos(-1); double rad = 2 * PI / N; C r(cos(rad), sin(rad)); C ans = core + (p0 - core) * r; printf("%.10f %.10f\n", ans.real(), ans.imag()); return 0; }
#include <bits/stdc++.h> #define INF 1e9 #define INFLL 1ull<<60u using namespace std; #define REPR(i,n) for(int i=(n); i >= 0; --i) #define FOR(i, m, n) for(int i = (m); i < (n); ++i) #define REP(i, n) for(int i=0, i##_len=(n); i<i##_len; ++i) #define ALL(a) (a).begin(),(a).end() #define endl "\n" template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return true; } return false; } template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return true; } return false; } typedef long long ll; using vi = vector<int>; using vvi = vector<vi>; using vpii = vector<pair<int,int>>; void solve() { double X,Y,Z; cin >> X >> Y >> Z; double t = Y / X; REPR(i,1e8) { double snuke = (double)i / Z; if (snuke < t) { cout << i << endl; return; } } } int main() { solve(); return 0; }
#pragma GCC optimize("Ofast") #include <iostream> // cout, endl, cin #include <string> // string, to_string, stoi #include <vector> // vector #include <algorithm> // min, max, swap, sort, reverse, lower_bound, upper_bound #include <utility> // pair, make_pair #include <tuple> // tuple, make_tuple #include <cstdint> // int64_t, int*_t #include <cstdio> // printf #include <map> // map #include <queue> // queue, priority_queue #include <set> // set #include <stack> // stack #include <deque> // deque #include <unordered_map> // unordered_map #include <unordered_set> // unordered_set #include <bitset> // bitset #include <cctype> // isupper, islower, isdigit, toupper, tolower #include <iomanip> // setprecision #include <complex> // complex #include <math.h> #include <cmath> #include <functional> #include <cassert> using namespace std; using ll = long long; using P = pair<ll,ll>; constexpr ll INF = 1e18; constexpr int inf = 1e9; constexpr double EPS = 1e-10; // constexpr ll mod = 1000000007; constexpr ll mod = 998244353; const int dx[8] = {1, 0, -1, 0,1,1,-1,-1}; const int dy[8] = {0, 1, 0, -1,1,-1,1,-1}; 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 char eol = '\n'; // -------------------------------------------------------------------------- int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); int X,Y,Z; cin >> X >> Y >> Z; for(int i=1000000; i>=0; i--){ if(Y*Z > (ll)i*X){ cout << i << endl; return 0; } } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; const ll mod = 1000000007; template< typename T > T mod_pow(T x, T n, const T &p) { T ret = 1; while(n > 0) { if(n & 1) (ret *= x) %= p; (x *= x) %= p; n >>= 1; } return ret; } int main() { int h, w; cin >> h >> w; vector<string> s(h + 2); vector<vector<ll>> cross(h + 2, vector<ll>(w+2)); s[0] = string(w + 2, '#'); s[h+1] = string(w + 2, '#'); for (int i = 1; i <= h; ++i) { cin >> s[i]; s[i] = '#' + s[i] + '#'; } ll l = 0; for (int i = 1; i <= h; ++i) { ll temp = 0; for (int j = 0; j <= w; ++j) { if (s[i][j] == '.') { cross[i][j] += temp - 1; l++; continue; } temp = 0; for (int k = j + 1; k <= w; ++k) { if (s[i][k] == '.') temp++; else break; } } } for (int j = 1; j <= w; ++j) { ll temp = 0; for (int i = 0; i <= h; ++i) { if (s[i][j] == '.') { cross[i][j] += temp; continue; } temp = 0; for (int k = i + 1; k <= h; ++k) { if (s[k][j] == '.') temp++; else break; } } } ll result = 0; for (int i = 1; i <= h; ++i) { for (int j = 1; j <= w; ++j) { result += (mod_pow(2ll, cross[i][j], mod) - 1) * (mod_pow(2ll, l - cross[i][j], mod)) % mod; result %= mod; } } cout << result << endl; }
#include<bits/stdc++.h> #define _USE_MATH_DEFINES using namespace std; #define ll long long int #define ld double #define pb push_back #define rep(i , j , n) for(ll i = j ; i < n ; i++) #define pre(i , j , n) for(ll i = j ; i >= n ; i--) #define all(x) x.begin(), x.end() typedef pair<int, int> pii; typedef pair<ll, ll> pl; typedef vector<int> vi; typedef vector<ll> vll; typedef vector<char> vc; typedef vector<bool> vb; typedef pair<ll,ll> pll; #define br "\n" #define ff first #define ss second #define MAXIM 4000001 ll mod = 1e9 + 7; vector<vll> v,row,col; vll pw2(MAXIM); ll bin_exp(ll a, ll b){ a = a % mod; ll ans = 1; while(b > 0){ if(b & 1 == 1) ans = (a * ans) % mod; a = (a * a) % mod; b = b >> 1; } return ans; } void calc(){ pw2[0] = 1; rep(i,1,MAXIM){ pw2[i] = pw2[i - 1]*2; while(pw2[i] > mod) pw2[i] -= mod; } } void solve(){ ll n,m; cin >> n >> m; v.assign(n,vll(m)); row.assign(n,vll(1,-1)), col.assign(m,vll(1,-1)); ll dot = 0; rep(i,0,n){ rep(j,0,m){ char c; cin >> c; if(c == '.'){ v[i][j] = 1; dot++; } else{ v[i][j] = 0; row[i].pb(j); col[j].pb(i); } } } rep(i,0,n) row[i].pb(m); rep(j,0,m) col[j].pb(n); ll ans = 0; rep(i,0,n){ rep(j,0,m){ if(v[i][j] == 0) continue; ll x1 = upper_bound(all(row[i]),j) - row[i].begin(); ll x2 = upper_bound(all(col[j]),i) - col[j].begin(); ll temp = (row[i][x1] - row[i][x1 - 1] - 1) + (col[j][x2] - col[j][x2 - 1] - 1) - 1; ll t1 = (pw2[temp] - 1 + mod); ll t2 = pw2[dot - temp]; ll t = t1*t2; if(t > mod) t %= mod; ans += t; if(ans > mod) ans -= mod; } } cout << ans << br; } int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif ll t = 1; calc(); // cin >> t; rep(i,0,t){ // cout << "Case #" << i + 1 << ": "; solve(); } }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (int)(n); i++) using namespace std; int main() { long long a, b, c, d; cin >> a >> b >> c >> d; if (b >= c*d) { cout << -1 << '\n'; return 0; } for (int i=0; ; i++) { if ((a + i*b) <= (i*c*d)) { cout << i << '\n'; break; } } return 0; }
#include<bits/stdc++.h> #define ll int #define pii pair<ll,ll> #define debug(a) cout<<a<<'\n' #define maxn 100009 /// I wanna be withma youlu #define MOD 1000000007 #define F first #define S second #define rep(i, a, b) for( ll i = a; i < (b); ++i) #define per(i, b, a) for(ll i = b-1; i>=a ; i--) #define trav(a, x) for(auto& a : x) #define allin(a , x) for(auto a : x) #define all(x) begin(x), end(x) #define sz(x) (ll)(x).size() using namespace std; const ll INF = 2e9 + 9; int main(){ ios::sync_with_stdio(false); cin.tie(0); ll a,b,w; cin>>a>>b>>w; w*=1000; ll mini = INF,maxi = -1; for(int i = 1;;i++){ ll minv = a*i; ll maxv = b*i; if(minv > w) break; if(minv<=w && maxv>=w){ mini = min(mini,i); maxi = max(maxi,i); } } if(mini == INF) cout<<"UNSATISFIABLE"<<'\n'; else cout<<mini<<" "<<maxi<<endl; return 0; }
#include<bits/stdc++.h> using namespace std; #define GODSPEED ios:: sync_with_stdio(0);cin.tie(0);cout.tie(0);cout<<fixed;cout<<setprecision(15); #define f first #define s second #define newl cout<<"\n"; #define pb push_back #define mset(a,x) memset(a,x,sizeof(a)) #define debv(a) for(auto it: a)cout<<it<<" ";newl; #define deb1(a) cout<<a<<"\n"; #define deb2(a,b) cout<<a<<" "<<b<<"\n"; #define deb3(a,b,c) cout<<a<<" "<<b<<" "<<c<<"\n"; #define deb4(a,b,c,d) cout<<a<<" "<<b<<" "<<c<<" "<<d<<"\n"; #define uniq(a) a.resize(unique(a.begin(), a.end()) - a.begin()); #define all(a) a.begin(),a.end() typedef long long ll; typedef long double ld; typedef pair<ll, ll> pll; typedef vector<ll> vll; typedef vector<pll> vpll; const ll N = 1e5 + 5; const ll mod = 1e9 + 7; const ll INF = 0x7f7f7f7f7f7f7f7f; const int INFi = 0x7f7f7f7f; const ll LEVEL = log2(N) + 1; ll n, m, d[25][25], vis[25], ans = 0, v[25]; vector <int> s; void dfs(int x) { vis[x] = 1; s.pb(x); for (int i = 1; i <= n; i++) { if (vis[i] == 1 || d[x][i] == 0) continue; dfs(i); } } void rec(int i) { if (i == s.size()) { ans++; return; } vector <int> p(n + 1, 0); if (v[s[i]] == 7) return; for (int k = 1; k <= n; k++) p[k] = v[k]; for (int j = 0; j < 3; j++) { if (v[s[i]]&(1<<j)) continue; for (int k = 1; k <= n; k++) { if (d[s[i]][k] == 0) continue; v[k] |= (1<<j); } rec(i + 1); for (int k = 1; k <= n; k++) v[k] = p[k]; } } void solve() { cin >> n >> m; for (int i = 1; i <= m; i++) { int a, b; cin >> a >> b; d[a][b] = d[b][a] = 1; } ll res = 1; for (int i = 1; i <= n; i++) { if (vis[i] == 0) { s.clear(); ans = 0; dfs(i); rec(0); res *= ans; } } deb1(res) } int main() { GODSPEED; int test = 1; // cin >> test; for (int i = 1; i <= test; i++) { solve(); } }
#include<bits/stdc++.h> using namespace std; using ll = long long; using pint = pair<ll,ll>; vector<ll> bipartite(const vector<vector<ll>>& hen) { ll n = hen.size(); vector<ll> col(n, -1); col[0] = 0; stack<ll> st; for(ll i = n - 1; i >= 0; i--) st.push(i); while(st.size()) { ll v = st.top(); st.pop(); // print(v); if(col[v] == -1) col[v] = 0; for(auto i : hen[v]) { if(col[i] != -1) { if(col[i] == col[v]) return {-1}; continue; } else { col[i] = !col[v]; st.push(i); } } // print(col); } vector<ll> red; red.reserve(count(col.begin(), col.end(), 0)); for(ll i = 0; i < (ll)col.size(); i++) if(col[i] == 0) red.push_back(i); return red; } #pragma region UnionFind #define UNIONFIND class UnionFind{ private: vector<ll> data; public: UnionFind(ll n) : data(n,-1) {} ll root(ll i) { return data[i] < 0 ? i : data[i] = root(data[i]); } ll size(ll i) { return -data[root(i)]; } bool same(ll x, ll y) {return root(x) == root(y); } bool connected() {return size(0) == (ll)data.size(); } bool unit(ll i,ll j){ i = root(i); j = root(j); if(i != j){ data[i] += data[j]; data[j] = i; } return i != j; } }; #pragma endregion #define bitget(n,k) (((n)>>(k))&1) /*nのk bit目*/ int main() { ll N, M; cin >> N >> M; vector<vector<ll>> hen(N); for(ll i = 0; i < M; i++) { ll u, v; cin >> u >> v; u--,v--; hen[u].push_back(v); hen[v].push_back(u); } ll sum = 0; for(ll bit = 0; bit < (1<<N); bit++) { vector<ll> vers; vector<vector<ll>> edge(N); bool ok = true; for(ll i = 0; i < N; i++) { if(bitget(bit, i)) { for(auto j : hen[i]) { if(bitget(bit, j)) { ok = false; break; } } } else { for(auto j : hen[i]) { if(bit & (1<<j)) continue; edge[i].push_back(j); } } } if(ok == false)continue; // print(bit, edge); auto v = bipartite(edge); if(v == vector<ll>{-1})continue; UnionFind uni(N); for(ll i = 0; i < N; i++) { for(auto j : edge[i]) { uni.unit(i, j); } } set<ll> st; for(ll i = 0; i < N; i++) { if(bit & (1<<i))continue; st.insert(uni.root(i)); } sum += (1LL<<(int)st.size()); } cout << sum << endl; }
#include <bits/stdc++.h> //#include <atcoder/all> using namespace std; //using namespace atcoder; template<typename T> using ve=vector<T>; using ll=long long; using ld=long double; using str=string; using pint=pair<ll,ll>; using vll=ve<ll>; using vd=ve<ld>; using vs=ve<str>; using vll2=ve<ve<ll>>; #define whole(f,x,...) ([&](decltype((x)) whole) { return (f)(begin(whole), end(whole), ## __VA_ARGS__); })(x) #define b2e(v) v.begin(),v.end() #define p2a(v, p) v[p.first][p.second] #define rep(i,n) for(ll i=0;i<(n);i++) #define repi(i,n) for(ll i=(n-1);i>=0;i--) #define repe(e,v) for(auto e:v) const int INF=0x3f3f3f3f; const ll INFL=0x3f3f3f3f3f3f3f3f; const int MOD=1000000007; //const int MOD=998244353; ll divceil (ll x, ll div) { return (x/div) + (x%div>0); } ll divfloor(ll x, ll div) { return (x/div) - (x%div<0); } int main() { ll kn; cin >> kn; ll nn; cin >> nn; ll mn; cin >> mn; vll a1(kn); rep(i,kn) { ll x; cin >> x; a1[i]=x; } // 1. 剰余なしの値を設定B=(floor(MA/N)) ll ct=0; vll b1(kn); ve<ld> lb1(kn, 0); rep(i,kn) { b1[i] =divfloor(mn*a1[i],nn); if(a1[i]) lb1[i] =(ld)(mn*a1[i])/(ld)nn; ct+=b1[i]; } // 2. 誤差とidxのpairの配列を作成(floorなしB-B) vector<pair<ld,ll>> vp1; rep(i,kn) { vp1.push_back({lb1[i]-(ld)b1[i],i}); } // 3. 配列を誤差で降順ソート sort( vp1.begin(), vp1.end(), greater<pair<ld,ll>>() ); // 4. 剰余分を更新 rep(i,mn-ct) { b1[vp1[i].second]++; } rep(i,kn) { cout << b1[i] << " "; } cout << endl; }
// B - Village of M People #include <bits/stdc++.h> using namespace std; using ll = int64_t; #define rep(i,e) for(int i=0;i<(e);++i) int main(){ int k, n, m; cin>>k>>n>>m; vector<ll> B; vector<pair<ll,ll>> R; ll rest = m; rep(i, k){ ll a; cin>>a; ll b = a*m / n; rest -= b; B.push_back(b); R.emplace_back(a*m % n, i); } sort(R.rbegin(), R.rend()); rep(i, rest) B[R[i].second] += 1; rep(i, k) cout<< B[i] <<(i < k-1? " ":"\n"); }
#include <bits/stdc++.h> #define rep(i,n) for(int i=0;i<n;i++) using namespace std; using ll=long long; int main(){ int n; cin >> n; vector<int> a(n); rep(i,n) cin >> a[i]; ll ans=0; rep(i,n){ ll sum=a[i]; int k=i-1; while(0<=k){ if(a[k]<a[i]) break; sum+=a[i]; k--; } k=i+1; while(k<n){ if(a[k]<a[i]) break; sum+=a[i]; k++; } ans=max(ans,sum); } cout << ans << endl; }
#include <cmath> #include <cstdio> #include <cstdlib> #include <cstring> #include <algorithm> #include <bitset> #include <complex> #include <iostream> #include <map> #include <numeric> #include <queue> #include <set> #include <stack> #include <string> #include <unordered_map> #include <unordered_set> #include <vector> #include <cassert> #include <functional> using ll = long long; using namespace std; template<typename A, typename B> bool chmin(A &a, const B b) { if (a <= b) return false; a = b; return true; } template<typename A, typename B> bool chmax(A &a, const B b) { if (a >= b) return false; a = b; return true; } #ifndef LOCAL #define debug(...) ; #else #define debug(...) cerr << __LINE__ << " : " << #__VA_ARGS__ << " = " << _tostr(__VA_ARGS__) << endl; template<typename T> ostream &operator<<(ostream &out, const vector<T> &v); template<typename T1, typename T2> ostream &operator<<(ostream &out, const pair<T1, T2> &p) { out << "{" << p.first << ", " << p.second << "}"; return out; } template<typename T> ostream &operator<<(ostream &out, const vector<T> &v) { out << '{'; for (const T &item : v) out << item << ", "; out << "\b\b}"; return out; } void _tostr_rec(ostringstream &oss) { oss << "\b\b \b"; } template<typename Head, typename... Tail> void _tostr_rec(ostringstream &oss, Head &&head, Tail &&...tail) { oss << head << ", "; _tostr_rec(oss, forward<Tail>(tail)...); } template<typename... T> string _tostr(T &&...args) { ostringstream oss; int size = sizeof...(args); if (size > 1) oss << "{"; _tostr_rec(oss, forward<T>(args)...); if (size > 1) oss << "}"; return oss.str(); } #endif constexpr int mod = 1'000'000'007; //1e9+7(prime number) constexpr int INF = 1'000'000'000; //1e9 constexpr ll LLINF = 2'000'000'000'000'000'000LL; //2e18 constexpr int SIZE = 200010; int main() { int N, A[SIZE]; scanf("%d", &N); for (int i = 0; i < N; i++) { scanf("%d", A + i); } ll ans = 0; for (int i = 0; i < N; i++) { int minA = INF; for (int j = i + 1; j <= N; j++) { chmin(minA, A[j - 1]); chmax(ans, minA * (j - i)); } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> #define ll long long int #define vi vector<int> #define vll vector<ll> #define vvi vector < vi > #define pii pair<int,int> #define pll pair<long long, long long> #define inf 1000000000000000001 #define mod 1000000007 #define all(c) c.begin(),c.end() #define mp(x,y) make_pair(x,y) #define mem(a,val) memset(a,val,sizeof(a)) #define eb emplace_back #define pb push_back #define f first #define s second #define fast_cin ios_base::sync_with_stdio(false);cin.tie(NULL); #define precise fixed(cout);cout<<setprecision(16); #define Set(N,p) N=((N)|((1LL)<<(p))) #define Reset(N,p) N=((N)&(~((1LL)<<(p)))) #define Check(N,p) (!(((N)&((1LL)<<(p)))==(0))) #define POPCOUNT __builtin_popcountll #define RIGHTMOST __builtin_ctzll #define LEFTMOST(x) (63-__builtin_clzll((x))) #define NUMDIGIT(x,y) (((vlong)(log10((x))/log10((y))))+1) #define OUT(x) for(auto a:x) cout << a << " "; cout << endl; #define OK cout << "@===================ok===================@" <<endl; #define WTF cout <<"< "<<lo<<" | "<< hi <<" >" << endl; using namespace std; vll temp; void prec(){ ll x=1; while(x<=1e16){ x*=1000; temp.pb(x); } } int main() { prec(); ll n; cin >> n; ll res=0; for(auto a:temp){ if(a>n) break; ll dist=n-a+1; res+=dist; } cout << res <<"\n"; }
//雪花飄飄北風嘯嘯 //天地一片蒼茫 #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #include <ext/rope> using namespace std; using namespace __gnu_pbds; using namespace __gnu_cxx; #define ll long long #define ii pair<ll,ll> #define iii pair<ii,ll> #define fi first #define se second #define endl '\n' #define debug(x) cout << #x << " is " << x << endl #define pub push_back #define pob pop_back #define puf push_front #define pof pop_front #define lb lower_bound #define ub upper_bound #define rep(x,start,end) for(auto x=(start)-((start)>(end));x!=(end)-((start)>(end));((start)<(end)?x++:x--)) #define all(x) (x).begin(),(x).end() #define sz(x) (int)(x).size() #define indexed_set tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update> //change less to less_equal for non distinct pbds, but erase will bug mt19937 rng(chrono::system_clock::now().time_since_epoch().count()); int n; int arr[3005][5]; int val[3005]; int memo[3005][32][4]; int dp(int i,int j,int k){ if (k==4) return 0; if (i==n) return j==31; if (memo[i][j][k]!=-1) return memo[i][j][k]; return memo[i][j][k]=max(dp(i+1,j,k),dp(i+1,j|val[i],k+1)); } bool can(int i){ rep(x,0,n){ val[x]=0; rep(y,0,5) if (arr[x][y]>=i) val[x]|=(1<<y); } //cout<<i<<endl; //rep(x,0,n) cout<<val[x]<<" "; cout<<endl; memset(memo,-1,sizeof(memo)); return dp(0,0,0); } int main(){ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin.exceptions(ios::badbit | ios::failbit); cin>>n; rep(x,0,n) rep(y,0,5) cin>>arr[x][y]; int lo=0,hi=1e9+5,mi; while (hi-lo>1){ mi=hi+lo>>1; if (can(mi)) lo=mi; else hi=mi; } cout<<lo<<endl; }
#include <bits/stdc++.h> #define int long long #define loop(i, a, b) for (int i = a; i < b; i++) #define loope(i, a, b) for (int i = a; i <= b; i++) #define bloop(i, a, b) for (int i = a; i >= b; i--) #define FastIO \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); \ cout.tie(NULL) #define PRECISION \ std::cout.unsetf(std::ios::fixed); \ std::cout.precision(9) #define scan(a, n) \ for (int i = 0; i < n; i++) \ cin >> a[i] #define print(a, n) \ for (int i = 0; i < n; i++) \ { \ cout << a[i] << ' '; \ } \ cout << '\n' using namespace std; int mod = 1e9 + 7; void solve() { long double a,b; cin>>a>>b; cout<<a*(b/100)<<"\n"; } int32_t main() { FastIO; PRECISION; int t = 1; // cin >> t; while (t--) { solve(); } return 0; }
#include <bits/stdc++.h> using namespace std; #define flush cout.flush using ll = long long; using ull = unsigned long long; using ld = long double; using pl = pair<ll, ll>; const ll INF = 1e9 + 7; const ll mod = 1e9 + 7; const ll mod2 = 998244353; const ld eps = 1e-9; const ld PI = acos(-1); int main() { ios::sync_with_stdio(false); cin.tie(NULL); ld a, b; cin >> a >> b; a /= 100; cout << fixed << setprecision(20); cout << a * b << "\n"; return 0; }
#include <bits/stdc++.h> #define rep(i,n) for (int i = (0); i < (n); ++i) #define rrep(i,n) for(int i = 1; i <= (n); ++i) #define drep(i,n) for(int i = (n)-1; i >= 0; --i) #define srep(i,s,t) for (int i = s; i < t; ++i) #define all(x) (x).begin(),(x).end() #define rall(x) (x).rbegin(),(x).rend() #define limit(x,l,r) max(l,min(x,r)) #define lims(x,l,r) (x = max(l,min(x,r))) #define isin(x,l,r) ((l) <= (x) && (x) < (r)) #define show(x) cerr << #x << " = " << (x) << endl #define show2(x,y) cerr << #x << " = " << (x) << ", " << #y << " = " << (y) << endl #define show3(x,y,z) cerr << #x << " = " << (x) << ", " << #y << " = " << (y) << ", " << #z << " = " << (z) << endl #define showv(v) rep(i,v.size()) printf("%d%c", v[i], i==v.size()-1?'\n':' ') #define showv2(v) rep(j,v.size()) showv(v[j]) #define showt(t,n) rep(i,n) printf("%d%c", t[i], i==n-1?'\n':' ') #define showt2(t,r,c) rep(j,r) showt(t[j],c) #define showvp(p) rep(i,p.size()) printf("%d %d\n", p[i].first, p[i].second) #define printv(v) rep(i,v.size()) printf("%d\n", v[i]) #define printt(t,n) rep(i,n) printf("%d\n", t[i]) #define incl(v,x) (find(all(v),x)!=v.end()) #define incls(s,c) (s.find(c)!=string::npos) #define lb(a,x) distance((a).begin(),lower_bound(all(a),(x))) #define ub(a,x) distance((a).begin(),upper_bound(all(a),(x))) #define fi first #define se second #define pb push_back #define eb emplace_back #define sz(x) (int)(x).size() #define pcnt __builtin_popcountll #define bit(n,k) ((n>>k)&1) // nのk bit目 #define bn(x) ((1<<x)-1) #define dup(x,y) (((x)+(y)-1)/(y)) #define newline puts("") #define uni(x) x.erase(unique(all(x)),x.end()) #define SP << " " << using namespace std; using ll = long long; using ld = long double; using vi = vector<int>; using vvi = vector<vi>; using vl = vector<ll>; using vvl = vector<vl>; using vc = vector<char>; using vvc = vector<vc>; using vs = vector<string>; using vb = vector<bool>; using vvb = vector<vb>; using P = pair<int, int>; using T = tuple<int, int, int>; using vp = vector<P>; using vt = vector<T>; //const int mod = 1000000007; const double EPS = 1e-9; //const long double EPS = 1e-14; const int INF = (1<<30)-1; const ll LINF = (1LL<<62)-1; #define dame { puts("No"); return 0;} #define yn {puts("Yes");}else{puts("No");} #define YN {puts("YES");}else{puts("NO");} inline int in() { int x; cin >> x; return x;} inline ll lin() { ll x; cin >> x; return x;} inline char chin() { char x; cin >> x; return x;} inline string stin() { string x; cin >> x; return x;} inline double din() { double x; cin >> x; return x;} //template<class T = int> inline T in() { T x; cin >> x; return (x);} template<typename T>inline ll suma(const vector<T>& a) { ll res(0); for (auto&& x : a) res += x; return res;} 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; } char itoa(int n) { return n + '0';} 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;} const int dy[4] = {1, 0, -1, 0}; const int dx[4] = {0, 1, 0, -1}; int main () { int n; cin >> n; vi x(n), y(n), z(n); rep(i,n) cin >> x[i] >> y[i] >> z[i]; int n2 = 1<<n; vvi dp(n2,vi(n,INF)); vvi dist(n,vi(n)); rep(i,n)rep(j,n) { int now = abs(x[i]-x[j]); now += abs(y[i]-y[j]); now += max(0, z[j]-z[i]); dist[i][j] = now; } rep(i,n) { //if (i == 0) continue; dp[1<<i][i] = dist[0][i]; } rep(i,n2)rep(j,n) { // j: 現在いる都市 if (~i>>j&1) continue; // 既に訪れているかの確認 rep(k,n) { // k: 次に訪れる都市 if (i>>k&1) continue; // まだ訪れていないかの確認 chmin(dp[i|1<<k][k], dp[i][j]+dist[j][k]); } } cout << dp[n2-1][0] << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define REP(i,n) for(int i=0; i<(int)n; i++) #define INF 1e9 const int MAXN=20; int n; int d[MAXN][MAXN]; int dp[1<<MAXN][MAXN]; int rec(int S, int v) { if(dp[S][v] >= 0) return dp[S][v]; if(S==(1<<n)-1 && v==0) return dp[S][v]=0; int tmp=INF; REP(u,n) if(!(S>>u & 1)) tmp=min(tmp, rec(S|1<<u,u)+d[v][u]); return dp[S][v]=tmp; } int main() { cin>>n; REP(i,n) REP(j,n) d[i][j]=d[j][i]=INF; vector<tuple<int,int,int>> data(n); REP(i,n){ int x,y,z; cin>>x>>y>>z; data.at(i)=make_tuple(x,y,z); } REP(s,n){ REP(t,n){ d[s][t]=abs(get<0>(data.at(t))-get<0>(data.at(s)))+abs(get<1>(data.at(t))-get<1>(data.at(s)))+max(0,get<2>(data.at(t))-get<2>(data.at(s))); } } fill((int *)dp, (int *)(dp+(1<<MAXN)), -1); cout << rec(0,0) << endl; return 0; }
#include<bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; const int N=1e3+5,M=2e4+5,inf=0x3f3f3f3f,mod=1e9+7; #define mst(a,b) memset(a,b,sizeof a) #define PII pair<int,int> #define fi first #define se second #define pb emplace_back #define SZ(a) (int)a.size() #define IOS ios::sync_with_stdio(false),cin.tie(0) void Print(int *a,int n){ for(int i=1;i<n;i++) printf("%d ",a[i]); printf("%d\n",a[n]); } bitset<N>vis; int p[N],cnt; void ss(int n){ vis[0]=vis[1]=1; for(int i=2;i<=n;i++){ if(!vis[i]) p[++cnt]=i; for(int j=1;j<=cnt&&i*p[j]<=n;j++){ vis[i*p[j]]=1; if(i%p[j]==0) break; } } } ll dp[1<<20]; int main(){ ss(72); ll A,B;scanf("%lld%lld",&A,&B); dp[0]=1; //Print(p,cnt); for(ll i=A;i<=B;i++){ int msk=0; for(int j=1;j<=cnt;j++) if(i%p[j]==0) msk|=(1<<(j-1)); for(int j=0;j<(1<<cnt);j++) if(!(msk&j)) dp[msk|j]+=dp[j]; } ll s=0; for(int i=0;i<(1<<cnt);i++) s+=dp[i]; printf("%lld\n",s); return 0; }
#include<bits/stdc++.h> #include<algorithm> #include<iostream> #include<cstring> #include<cstdio> #include<vector> #include<queue> #include<map> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef long double lb; #define rep(i, f, t) for(int i = f; i <= t; i ++) #define urep(i, f, t) for(int i = f; i >= t; i --) #define pb push_back #define eb emplace_back #define pq priority_queue #define umap unordered_map #define addr(v) v.begin(), v.end() #define uaddr(v) v.rbegin(), v.rend() #define mst(arr, val) memset(arr, val, sizeof arr) #define qstream std::ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); //when qstream exists , cout and printf can't be used together // #define ls(t) (t << 1) #define rs(t) (t << 1 | 1) #define lowbit(x) ((x) & (-(x))) #define ceil_div(a, b) ((a) + (b) - 1) / (b) const ll INF = 1e18 + 7; const int inf = 0x3f3f3f3f; const int maxn = 1050; const int Maxn = 5e5 + 5; const int mod = 1e9 + 7; const int MOD = 100003; const int Mod = 998244353; const int D = 233;//HASH const double PI = acos(-1.0); // tips: i int for_loop i*i can't be used for long long int n, m; struct Edge { int to, next; char w; }e[Maxn]; int head[maxn], id; struct nd { int a, b; }; int dis[maxn][maxn]; void add(int u, int v, char w) { e[id].to = v; e[id].w = w; e[id].next = head[u]; head[u] = id ++; } queue<nd> q; int main() { qstream; mst(dis, inf); mst(head, -1); cin >> n >> m; rep(i, 1, m) { int u, v; char w; cin >> u >> v >> w; add(u, v, w); add(v, u, w); } rep(i, 1, n) { dis[i][i] = 0; q.push({i, i}); } rep(j, 1, n) { for(int i = head[j]; i != -1; i = e[i].next) { int v = e[i].to; if(j >= v) continue; dis[j][v] = dis[v][j] = 1; q.push({j, v}); } } while(!q.empty()) { int x = q.front().a, y = q.front().b; q.pop(); //cout << x << " " << y << endl; for(int i = head[x]; i != -1; i = e[i].next) { int tx = e[i].to; for(int j = head[y]; j != -1; j = e[j].next) { int ty = e[j].to; if(e[i].w == e[j].w && tx != ty) { if(dis[tx][ty] > dis[x][y] + 2) { dis[ty][tx] = dis[tx][ty] = dis[x][y] + 2; q.push({tx, ty}); } } } } } cout << (dis[1][n] == inf ? -1 : dis[1][n]) << endl; // #ifndef ONLINE_JUDGE // system("pause"); // #endif return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; const int Maxn = 1000005; char tmp[Maxn]; int n; string A; string B; void Read(string &s) { scanf("%s", tmp); s = tmp; } int main() { cin >> n; Read(A); Read(B); int asum = 0, bsum = 0; int add = 0, neutr = 0; ll res = 0; for (int i = 0; i < n; i++) if (A[i] != '1' || B[i] != '1') { asum += A[i] == '1'; bsum += B[i] == '1'; if (A[i] == '0' && B[i] == '1') add++; if (A[i] == '0' && B[i] == '0') neutr++; if (asum == bsum) { if (add > 0) res += add + neutr; add = neutr = 0; } } printf("%lld\n", asum != bsum? -1ll: res); return 0; }
#include<iostream> #include<algorithm> using namespace std; const int N=100010; typedef long long ll; int n; char a[N]; int sum1[N]; int sum2[N]; int main() { cin>>n; for(int i=1;i<=n;i++)cin>>a[i]; for(int i=1;i<=n;i++) { if(a[i]=='A') { sum1[i]=1; } else if(a[i]=='T') { sum1[i]=-1; } else if (a[i]=='C') { sum2[i]=1; } else if (a[i]=='G') { sum2[i]=-1; } } for(int i=1;i<=n;i++) { sum1[i]+=sum1[i-1]; sum2[i]+=sum2[i-1]; } //只有5000,可以枚举两个区间 ll ans=0; for(int i=1;i<=n;i++) for(int j=i;j<=n;j++) { if(sum1[j]-sum1[i-1]==0&&sum2[j]-sum2[i-1]==0)ans++; } cout<<ans; return 0; }
#include<bits/stdc++.h> using namespace std; int main() { double A, B; cin >> A >> B; double f = 0.00; f = B /A; f = 1-f; f=f*100; cout << f << endl; }
#include <bits/stdc++.h> using namespace std; using ll = long long; #define rep(i,n) for(ll i=0,endrep=(n); i<endrep; ++i) #define rep1(i,n) for(ll i=1,endrep=(n); i<=endrep; ++i) #define revrep(i,n) for(ll i=(n)-1; i>=0; --i) inline constexpr ll Inf = (1ULL << 60) -123456789; #define fastio cin.tie(nullptr); ios_base::sync_with_stdio(false); #define newl '\n' #define YN(e) ((e)?"Yes":"No") #define all(a) begin(a),end(a) #define rall(a) rbegin(a),rend(a) template <class T,class U> bool updmax(T& a, U b) { if(b>a){ a=b; return true;} return false;} template <class T,class U> bool updmin(T& a, U b) { if(b<a){ a=b; return true;} return false;} inline constexpr int Mod = 1000000007; //inline constexpr int Mod = 998244353; #define dbg(a) cout << #a << ": " << a << endl; #define dbg1(a,n) cout<<#a<<": "; rep(i,n) cout<<a[i]<<" "; cout<<endl; #define dbg2(m,h,w) cout<<#m<<":"<<endl; rep(i,h){ rep(j,w)cout<<m[i][j]<<" "; cout<<endl; } int rng(int n) { return rand()/(RAND_MAX+1.0)*n; } int main() { fastio; double ans{}; ll a,b; cin >> a >> b; ans = (1-(double)b/a)*100; cout << ans << endl; }
#include <bits/stdc++.h> #define pb push_back #define mp make_pair #define fi first #define se second #define sz(x) (int) x.size() #define cat(x) cerr << #x << " = " << x << endl #define all(x) x.begin(), x.end() #define rep(i, j, n) for (int i = j; i <= n; ++i) #define per(i, j, n) for (int i = n; j <= i; --i) using ll = long long; using ld = long double; using namespace std; string a = "atcoder#"; int f(int pref, int c, string s) { int ans = 0, n = sz(s); rep(i, 0, pref) { char C = (i == pref ? (char)('a' + c) : a[i]); int g = -1; rep(j, i, n - 1) { if (s[j] == C) { g = j; break; } } if (g == -1) return 1e9; per(j, i + 1, g) { ans++; swap(s[j - 1], s[j]); } } return ans; } int main() { int t; cin >> t; while (t--) { string s; cin >> s; int n = sz(s); int res = 1e9; rep(i, 0, 7) rep(c, 0, 25) { if (i + 1 > n) continue; if ((char) ('a' + c) <= a[i]) continue; //~ cout << i << " " << c << " " << f(i, c, s) << endl; res = min(res, f(i, c, s)); } if (res == 1e9) res = -1; printf ("%d\n", res); } return 0; }
#include <bits/stdc++.h> #define INF 1e9 #define INFLL 1ull<<60u using namespace std; #define REPR(i,n) for(int i=(n); i >= 0; --i) #define FOR(i, m, n) for(int i = (m); i < (n); ++i) #define REP(i, n) for(int i=0, i##_len=(n); i<i##_len; ++i) #define ALL(a) (a).begin(),(a).end() #define endl "\n" template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return true; } return false; } template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return true; } return false; } typedef long long ll; using vi = vector<int>; using vvi = vector<vi>; using vpii = vector<pair<int,int>>; void solve() { int N,S,D; cin >> N >> S >> D; REP(_,N) { int X,Y; cin >> X >> Y; if (S > X && D < Y) { cout << "Yes" << endl; return; } } cout << "No" << endl; } int main() { solve(); 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() int main() { int n; cin >> n; V<pair<int,int>> x(n); V<pair<int,int>> y(n); rep(i, n) { cin >> x[i].first >> y[i].first; x[i].second = i; y[i].second = i; } sort(all(x), greater<pair<int,int>>()); sort(all(y), greater<pair<int,int>>()); V<pair<pair<int,int>,int>> ans; { pair<pair<int,int>,int> can; pair<int,int> a; a.first = x[0].second; a.second = x[n-1].second; can.first = a; can.second = x[0].first - x[n-1].first; ans.push_back(can); } { pair<pair<int,int>,int> can; pair<int,int> a; a.first = y[0].second; a.second = y[n-1].second; can.first = a; can.second = y[0].first - y[n-1].first; ans.push_back(can); } { pair<pair<int,int>,int> can; pair<int,int> a; a.first = x[1].second; a.second = x[n-1].second; can.first = a; can.second = x[1].first - x[n-1].first; ans.push_back(can); } { pair<pair<int,int>,int> can; pair<int,int> a; a.first = x[0].second; a.second = x[n-2].second; can.first = a; can.second = x[0].first - x[n-2].first; ans.push_back(can); } { pair<pair<int,int>,int> can; pair<int,int> a; a.first = y[1].second; a.second = y[n-1].second; can.first = a; can.second = y[1].first - y[n-1].first; ans.push_back(can); } { pair<pair<int,int>,int> can; pair<int,int> a; a.first = y[0].second; a.second = y[n-2].second; can.first = a; can.second = y[0].first - y[n-2].first; ans.push_back(can); } sort(all(ans), [](auto lhs, auto rhs){return lhs.second > rhs.second;}); ll cnt = 0; pair<int,int> pre; for(auto abc : ans){ if(pre == abc.first) continue; cnt++; pre = abc.first; if(cnt == 2){ cout << abc.second << endl; } } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long LL; #define lowbit(x) (x & (-x)) const LL inf = 1e17+9; const LL mod = 1e9+7; const LL maxn = 3e5+8; LL n, m, a[maxn], bit[maxn]; void add(LL x, LL v) { while (x <= n) { bit[x] += v; x += lowbit(x); } } LL query(LL x) { LL ans = 0; while (x > 0) { ans += bit[x]; x -= lowbit(x); } return ans; } void solve() { LL i, cnt = 0; scanf("%lld", &n); for (i = 1; i <= n; i++) { scanf("%lld", &a[i]); a[i]++; cnt += query(n) - query(a[i]); add(a[i], 1); } printf("%lld\n", cnt); for (i = 1; i < n; i++) { cnt += (n - a[i]) - (a[i] - 1); printf("%lld\n", cnt); } } signed main() { LL t; //scanf("%lld", &t); //while (t--) solve(); return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long #define debug(x) {cerr<<#x<<" = "<<(x)<<endl;} ll ksm(ll a,ll k,ll p) { ll ans=1; while(k) { if(k&1) ans=ans*a%p; k>>=1; a=a*a%p; } return ans; } int sz[10][4] = { {0,0,0,0}, {1,1,1,1}, {6,2,4,8}, {1,3,9,7}, {6,4,6,4}, {5,5,5,5}, {6,6,6,6}, {1,7,9,3}, {6,8,4,2}, {1,9,1,9} }; int main() { ios::sync_with_stdio(false); ll a,b,c; cin>>a>>b>>c; cout<<sz[a%10][ksm(b,c,4)]; return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long int main() { ll n, x; string s; cin >> n >> x >> s; for (int i = 0; i < n; i++) { if (x > 0 && s[i] == 'x') x--; else if (s[i] == 'o') x++; } cout << x << endl; }
#include <bits/stdc++.h> using namespace std; int main() { int N; cin >> N; vector<int> t(N); vector<double> l(N), r(N); for (int i = 0; i < N; i++) scanf("%d %lf %lf", &t[i], &l[i], &r[i]); int Ans = 0; for (int i = 0; i < N - 1; i++) { double l1, r1; if (t[i] == 1) l1 = l[i], r1 = r[i]; else if (t[i] == 2) l1 = l[i], r1 = r[i] - 0.1; else if (t[i] == 3) l1 = l[i] + 0.1, r1 = r[i]; else l1 = l[i] + 0.1, r1 = r[i] - 0.1; for (int j = i + 1; j < N; j++) { double l2, r2; if (t[j] == 1) l2 = l[j], r2 = r[j]; else if (t[j] == 2) l2 = l[j], r2 = r[j] - 0.1; else if (t[j] == 3) l2 = l[j] + 0.1, r2 = r[j]; else l2 = l[j] + 0.1, r2 = r[j] - 0.1; if (r1 < l2 || r2 < l1) continue; Ans++; } } cout << Ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef unsigned long long ull; typedef long long ll; typedef long double ld; typedef pair<ll, ll> pii; typedef tuple<ll, ll, ll> ti; //#include <boost/multiprecision/cpp_int.hpp> //namespace mp = boost::multiprecision; //using Bint = mp::cpp_int; #define REP(a,b,c) for(ll a=b;a<(c);a++) #define PER(a,b,c) for(ll a=b;a>=(c);a--) inline ll ii(){ ll x; cin >> x; return x; } inline string is(){ string x; cin >> x; return x; } inline ld id(){ ld x; cin >> x; return x; } inline void oi(ll x){ cout << x; } inline void od(ld x){ cout << fixed << setprecision(12) << x; } inline void os(string x){ cout << x; } inline void oe(){ cout << endl; } inline void oie(ll x){ oi(x); oe(); } inline void ode(ld x){ od(x); oe(); } inline void ose(string x){ os(x); oe(); } inline void maxin(ll &a, ll b){ a=max(a,b); } inline void minin(ll &a, ll b){ a=min(a,b); } int main(){ ll N=ii(), M=ii(); if(N==M){ oie(0); return 0; } if(M==0){ oie(1); return 0; } vector<ll> A; REP(i,0,M){ A.push_back(ii()); } sort(A.begin(), A.end()); ll cur=1; ll k=112345678901; vector<ll> B; for(ll a:A){ if(a>cur){ B.push_back(a-cur); minin(k,a-cur); } cur=a+1; } if(N>=cur){ B.push_back(N-cur+1); minin(k,N-cur+1); } ll ret=0; for(ll b:B){ ret+=b/k; if(b%k>0){ret++;} } oie(ret); return 0; }
#include <bits/stdc++.h> #define pb push_back #define int long long using namespace std; #define debug(args...) kout("[ " + string(#args) + " ]", args) void kout() { cerr << endl; } template <class T, class ...U> void kout(T a, U ...b) { cerr << a << ' ',kout(b...); } template <class T> void pary(T L, T R) { while (L != R) cerr << *L << " \n"[++L==R]; } const int MAXN = 200000; const int INF = 1e18; int n, m; int x, y; int a[MAXN+1]; vector <int> path[MAXN+1]; int mmin[MAXN+1]; int ans = -INF; signed main() { ios_base::sync_with_stdio(0), cin.tie(0); cin >> n >> m; for (int i = 1; i <= n; i++) cin >> a[i]; for (int i = 0; i < m; i++) { cin >> x >> y; path[x].pb(y); } for (int i = 1; i <= n; i++) mmin[i] = INF; for (int i = 1; i <= n; i++) { if (mmin[i] != INF) ans = max(ans, a[i] - mmin[i]); mmin[i] = min(mmin[i], a[i]); for (int j : path[i]) mmin[j] = min(mmin[j], mmin[i]); } cout << ans << "\n"; }
#include <bits/stdc++.h> using namespace std; #include <math.h> #include <iomanip> #include <cstdint> #include <string> #include <sstream> 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,n) for (int i = 0; i < (n); ++i) typedef long long ll; using P=pair<int,int>; const int INF=1001001001; const int mod=1e9+7; int main(){ int n,m; cin>>n>>m; vector<ll>a(n); rep(i,n){cin>>a[i];} vector<vector<int>>G(n); rep(i,m){ int x,y; cin>>x>>y; x--;y--; G[x].push_back(y); } vector<ll>buy(n,1e18); ll ans=-1e18; rep(i,n){ chmax(ans,a[i]-buy[i]); for(int u:G[i]){ chmin(buy[u],min(buy[i],a[i])); } } cout<<ans<<endl; return 0; }
#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 ll; template <class T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; mt19937/*_64*/ rng(chrono::steady_clock::now().time_since_epoch().count()); #define printArr(arr, n) cerr << #arr << " = ["; for(int i=0; i<(n); i++){if (i) cerr << ", "; cerr << arr[i];} cerr << "]\n" template<class A> ostream& operator<<(ostream &cout, vector<A> const &v) {cout << "["; for(int i = 0; i < v.size(); i++) {if (i) cout << ", "; cout << v[i];} return cout << "]";}; template<class A, class B> ostream& operator<<(ostream &cout, const pair<A,B> &x) {return cout << "(" <<x.first << ", " << x.second << ")";}; void _print() {cerr << "]\n";} template <class T, class... V> void _print(T t, V... v) {cerr << t; if (sizeof...(v)) cerr << ", "; _print(v...);} #define debug(x...) cerr << "[" << #x << "] = ["; _print(x) #define fi first #define se second #define SZ(x) (int)((x).size()) #define pii pair<int,int> template<int modd> struct modint { static const int mod = modd; int v; explicit operator int() const { return v;} modint() : v(0) {} modint(ll x) : v(int(x%mod)) {if (v < 0) v += mod;} friend bool operator==(const modint& a, const modint& b) {return a.v == b.v;} friend bool operator!=(const modint& a, const modint& b) {return a.v != b.v;} friend bool operator<(const modint& a, const modint& b) {return a.v < b.v;} modint& operator+=(const modint& a) {if ((v += a.v) >= mod) v -= mod; return *this;} modint& operator-=(const modint& a) {if ((v -= a.v) < 0) v += mod; return *this;} modint& operator*=(const modint& a) {v = int((ll)v*a.v%mod); return *this;} modint& operator/=(const modint& a) {return (*this) *= inv(a);} friend modint pow(modint a, ll p) {modint ret = 1; for (; p; p /= 2, a *= a){if (p&1) ret *= a;} return ret;} friend modint inv(const modint& a) {return pow(a,mod-2);} modint operator-() const {return modint(-v);} modint& operator++() {return *this += 1;} modint& operator--() {return *this -= 1;} friend modint operator+(modint a, const modint& b) {return a += b;} friend modint operator-(modint a, const modint& b) {return a -= b;} friend modint operator*(modint a, const modint& b) {return a *= b;} friend modint operator/(modint a, const modint& b) {return a /= b;} friend ostream& operator<<(ostream& out, modint a) {return out << a.v;} friend istream& operator>>(istream& in, modint& a) {ll b; in >> b; a.v = b; return in;} }; using mint = modint<998244353>; int main() { ios::sync_with_stdio(0); cin.tie(0); int n,m,k; cin >> n >> m >> k; if (n == 1) { if (m == 1) { cout << k << "\n"; } else { mint x = k; cout << pow(x,m) << "\n"; } } else { if (m == 1) { mint x = k; cout << pow(x,n) << "\n"; } else { mint ans = 0; for (int q = 1; q <= k; q++) { mint x = pow(mint(q),n) - pow(mint(q-1),n); x *= pow(mint(k-q+1),m); ans += x; } cout << ans << "\n"; } } return 0; }
#include <sstream> #include <iostream> #include <string> #include <vector> #include <deque> #include <numeric> #include <algorithm> #include <iomanip> #include <map> #include <set> #include <list> #include <cassert> #include <cmath> #include <climits> #include <map> #include <queue> #include <functional> #include <cassert> using namespace std; int main() { #if 0 stringstream sstr; sstr << R"()"; auto& in = sstr; #else auto& in = cin; #endif int N, M; in >> N >> M; if (M == 0) { for (int i = 0; i < N; ++i) { cout << (i + 1) * 2 << " " << (i + 1) * 2 + 1 << endl; } } else if (M < 0 || M > (N-2)) { cout << -1 << endl; } else { for (int i = 0; i < M + 1; ++i) { cout << (i + 1) * 2 << " " << (i + 1) * 2 + 1 << endl; } cout << 1 << " " << (M + 2) * 2 << endl; int num = N - (M + 2); for (int i = 0; i < num; ++i) { cout << (M + 2) * 2 + 1 + i * 2 << " " << (M + 2) * 2 + 1 + i * 2 + 1 << endl; } } return 0; }
#pragma GCC optimize("Ofast") //Comment optimisations for interactive problems (use endl) #pragma GCC target("avx,avx2,fma") #pragma GCC optimization ("unroll-loops") #include<bits/stdc++.h> using namespace std; #define fastio ios:: sync_with_stdio(0);cin.tie(0);cout.tie(0);cout<<fixed;cout<<setprecision(10); #define randomINIT mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count()); #define all(x) (x).begin(),(x).end() #define mset(x,val) memset(x,val,sizeof(x)) #define endl "\n" #define pb push_back #define sym(s) s="#"+s+"#"; #define mp make_pair #define s second #define f first #define dline cerr<<"///REACHED///\n"; #define debv(a) for(auto it: a)cout<<it<<" ";cout<<endl; #define deb1(a) cout<<a<<endl; #define deb2(a,b) cout<<a<<" "<<b<<endl; #define deb3(a,b,c) cout<<a<<" "<<b<<" "<<c<<endl; #define deb4(a,b,c,d) cout<<a<<" "<<b<<" "<<c<<" "<<d<<endl; #define uniq(a) a.resize(unique(a.begin(), a.end()) - a.begin()); typedef long long ll; typedef unsigned long long ull; typedef long double ld; typedef pair<ll,ll> pll; typedef vector<ll> vll; typedef vector<pll> vpll; const ll MOD = 1e+9+7; const ll INF = 0x7f7f7f7f7f7f7f7f; const int INFi = 0x7f7f7f7f; const ll N = 3e+5+7; vll adj[N];ll vis[N]={}; int dx8[]={0,1,1,1,0,-1,-1,-1}, dy8[]={1,1,0,-1,-1,-1,0,1}; int dx4[]={0,1,0,-1}, dy4[]={1,0,-1,0}; //<<-----Declare Variable Here------->>// int t=1; ll n; //<<-----Implement Functions Here---->>// //<<-----Start of Main--------------->>// void MAIN(){ string s;cin>>s;n = s.size(); reverse(all(s)); for(ll i=0;i<n;i++){ if(s[i] == '6')s[i] = '9'; else if(s[i] == '9')s[i] = '6'; } cout<<s<<endl; } int main(){ fastio;randomINIT; //cin>>t; while(t--){ MAIN(); } #ifndef ONLINE_JUDGE cout<<"\nTime Elapsed: " << 1.0*clock() / CLOCKS_PER_SEC << " sec\n"; #endif }
#include <bits/stdc++.h> using namespace std; int main() { string s; cin >> s; reverse(s.begin(), s.end()); for (int i = 0; i < s.size(); i++) { if (s[i] == '6') s[i] = '9'; else if (s[i] == '9') s[i] = '6'; } cout << s << endl; }
/** * code generated by JHelper * More info: https://github.com/AlexeyDmitriev/JHelper * @author NikuKyabe */ #include <iostream> #include <fstream> #include <bits/stdc++.h> #define int long long #define REP(i, n) for (int i = 0, i##_len = (n); i < i##_len; ++i) #define FOR(i, a, b) for (int i = (a), i##_len = (b); i < i##_len; ++i) #define REV(i, a, b) for (int i = (b) - 1; i >= (a); --i) #define CLR(a, b) memset((a), (b), sizeof(a)) #define DUMP(x) cout << #x << " = " << (x) << endl; #define INF 1001001001001001001l #define MOD 1000000007 #define fcout cout << fixed << setprecision(12) using namespace std; typedef pair<int, int> P; template<class T> using M =vector<vector<T>>; class BAtCoderCondominium { public: void solve(std::istream& cin, std::ostream& cout) { int n,k; cin >> n >> k; int ans = 0; REP(i,n)REP(j,k){ ans += (i+1) * 100 + (j+1); } cout << ans << endl; } }; signed main() { BAtCoderCondominium solver; std::istream& in(std::cin); std::ostream& out(std::cout); solver.solve(in, out); return 0; }
#include<bits/stdc++.h> #pragma GCC target ("avx2") #pragma GCC optimization ("O3") #pragma GCC optimization ("unroll-loops") #define all(k) k.begin(),k.end() #define INF 1e9 #define repk(i,a,n) for(int i=a;i<=n;i++) #define rep(i,a,n) for(int i=a;i<n;i++) #define rep2(i,a, n) for(int i=a;i<n;i+=2) #define per(i,a,n) for(int i=n-1;i>=a;i--) #define pb push_back #define ub pop_back #define eb emplace_back #define ll long long int #define ull unsigned long long #define pi pair<int,int> #define vc vector<char> #define vpi vector<pi> #define vi vector<int> #define vl vector<ll> #define vvi vector<vi> #define vb vector<bool> #define pq priority_queue #define vvc vector<vc> #define mi map<int,int> #define mset map<string,set<char>> #define umap unordered_map #define int int64_t using namespace std; #define fi first #define se second const int mod = int(1e9)+7; int ar(int x,int y){ int res=1; while(y){ if(y&1) res=(res*x)%mod; y>>=1; x=((x*x)%mod); } return res; } int gcd(int x,int y){ if(x==0) return y; return gcd(y%x,x); } vvi dp; int fun(int a, int b) { if (dp[a][b] != -1) return dp[a][b]; else if(a == 0 || b == 0) return dp[a][b] = 1; else return dp[a][b] = fun(a - 1, b) + fun(a, b - 1); } void sol() {int a,b,k; cin>>a>>b>>k;k--; dp = vvi(a + 1, vi(b + 1, -1)); int cnt = k; int ca = a, cb = b; rep(i,0, a + b) { if (ca == 0) { cout << "b"; cb--; continue; } if (cb == 0) { cout << "a"; ca--; continue; } if (fun(ca - 1, cb) > cnt) { ca--; cout << "a"; } else { cnt -= fun(ca - 1, cb); cb--; cout << "b"; } } cout<<'\n'; } int32_t main() { int t=1; // cin>>t; for(int i=1;i<=t;++i){ // cout<<"Case #"<<i<<": "; sol(); } return 0; }
/*input 10 165 82 94 21 65 28 22 61 80 81 79 93 35 59 85 96 1 78 72 43 5 12 15 97 49 69 53 18 73 6 58 60 14 23 19 44 99 64 17 29 67 24 39 56 92 88 7 48 75 36 91 74 16 26 10 40 63 45 76 86 3 9 66 42 84 38 51 25 2 33 41 87 54 57 62 47 31 68 11 83 8 46 27 55 70 52 98 20 77 89 34 32 71 30 50 90 4 37 95 13 100 */ //#include "wall.h" #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; #pragma GCC optimize("unroll-loops,no-stack-protector") //order_of_key #of elements less than x // find_by_order kth element #define ll long long #define ld long double #define pii pair<int,int> #define piii pair<int,pii> typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> indexed_set; #define f first #define s second #define pb push_back #define REP(i,n) for(ll i=0;i<n;i++) #define REP1(i,n) for(int i=1;i<=n;i++) #define FILL(n,x) memset(n,x,sizeof(n)) #define ALL(_a) _a.begin(),_a.end() #define sz(x) (int)x.size() #define SORT_UNIQUE(c) (sort(c.begin(),c.end()), c.resize(distance(c.begin(),unique(c.begin(),c.end())))) #define MP make_pair const ll INF64=4e18; const int INF=0x3f3f3f3f; const ll MOD=998244353; const ld PI=acos(-1); const ld eps=1e-9; #define lowb(x) x&(-x) #define MNTO(x,y) x=min(x,(__typeof__(x))y) #define MXTO(x,y) x=max(x,(__typeof__(x))y) ll mult(ll a,ll b){ return ((a%MOD)*(b%MOD))%MOD; } ll mypow(ll a,ll b){ if(b<=0) return 1; ll res=1LL; while(b){ if(b&1){ res=(res*a)%MOD; } a=(a*a)%MOD; b>>=1; } return res; } const ll maxn=50+5; const ll maxlg=__lg(maxn)+2; vector<int> r[maxn],c[maxn]; int arr[maxn][maxn]; bool vis[maxn]; int dfs(int u){ vis[u]=1; int cnt=1; for(auto x:r[u]){ if(!vis[x]) cnt+=dfs(x); } return cnt; } int dfs2(int u){ vis[u]=1; int cnt=1; for(auto x:c[u]){ if(!vis[x]) cnt+=dfs2(x); } return cnt; } ll fac[maxn]; int main(){ ios::sync_with_stdio(false),cin.tie(0); int n,s; cin>>n>>s; fac[0]=1; REP1(i,n) fac[i]=mult(fac[i-1],i); REP(i,n) REP(j,n) cin>>arr[i][j]; REP(i,n){ REP(j,n){ bool wk=1; REP(k,n){ if(arr[i][k]+arr[j][k]>s) wk=0; } if(wk){ r[i].pb(j); } } } REP(i,n){ REP(j,n){ bool wk=1; REP(k,n){ if(arr[k][i]+arr[k][j]>s) wk=0; } if(wk){ c[i].pb(j); } } } ll ans=1; REP(i,n){ if(!vis[i]){ ans=mult(ans,fac[dfs(i)]); } } REP(i,n) vis[i]=0; REP(i,n){ if(!vis[i]){ ans=mult(ans,fac[dfs2(i)]); } } cout<<ans<<'\n'; }
#include <bits/stdc++.h> using namespace std; // one-based numbering struct UnionFind { vector<int> data; // i: (data[i] < 0) -> group size, (data[i] > 0) -> parent; UnionFind(int n) { data.resize(n+1, -1); } int find(int x) { if(data[x] < 0) return x; else return data[x] = find(data[x]); } int size(int x) { return -data[find(x)]; } bool unite(int x, int y) { x = find(x); y = find(y); if(x == y) return false; if (data[x] > data[y]) swap(x, y); data[x] += data[y]; data[y] = x; return true; } bool same(int x, int y) { x = find(x); y = find(y); return x == y; } }; int A[60][60]; constexpr long long mod = 998244353; int main() { cin.tie(nullptr); ios::sync_with_stdio(false); int N, K; cin >> N >> K; for (int i = 0; i < N; i++) { for (int j = 0; j < N; j++) { cin >> A[i][j]; } } UnionFind X(N), Y(N); for (int i = 0; i < N; i++) { for (int j = 0; j < N; j++) { bool ok = true; for (int k = 0; k < N; k++) { ok &= (A[i][k] + A[j][k] <= K); } if (ok) X.unite(i+1, j+1); } } for (int i = 0; i < N; i++) { for (int j = 0; j < N; j++) { bool ok = true; for (int k = 0; k < N; k++) { ok &= (A[k][i] + A[k][j] <= K); } if (ok) Y.unite(i+1, j+1); } } long long Ans = 1; for (int i = 1; i < N; i++) { if (X.find(i) == i) { for (int j = X.size(i); j > 0; j--) { Ans = Ans * j % mod; } } } for (int i = 1; i < N; i++) { if (Y.find(i) == i) { for (int j = Y.size(i); j > 0; j--) { Ans = Ans * j % mod; } } } cout << Ans << "\n"; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false), cin.tie(nullptr); int n; cin >> n; vector<int> a(n); for (int &it : a) { cin >> it; it %= 200; } vector<int> p(200, -1); if (n > 8) n = 8; for (int m = 1; m < (1 << n); m++) { int sum = 0; for (int i = 0; i < n; i++) { if ((m >> i) % 2 == 1) { sum += a[i]; } } sum %= 200; if (p[sum] != -1) { cout << "Yes\n"; vector<int> b, c; for (int i = 0; i < n; i++) { if ((p[sum] >> i) % 2 == 1) { b.push_back(i); } if ((m >> i) % 2 == 1) { c.push_back(i); } } cout << b.size(); for (int x : b) cout << ' ' << x + 1; cout << '\n'; cout << c.size(); for (int x : c) cout << ' ' << x + 1; cout << '\n'; return 0; } else { p[sum] = m; } } cout << "No\n"; }
#include <bits/stdc++.h> using ll = long long; using namespace std; #define rep(i,n) for(int i=0, i##_len=(int)(n); i<i##_len; i++) #define reps(i,n) for(int i=1 , i##_len=(int)(n);i<=i##_len;i++) #define rrep(i,n) for(int i=((int)(n)-1);i>=0;i--) #define rreps(i,n) for(int i=((int)(n));i>0;i--) #define repi(i,x) for(auto i=(x).begin(),i##_fin=(x).end();i!=i##_fin;i++) #define all(x) (x).begin(), (x).end() #define F first #define S second #define mp make_pair #define mt make_tuple #define pb push_back #define eb emplace_back typedef vector<int> Vi; typedef vector<Vi> VVi; typedef pair<int , int> Pi; typedef vector<Pi> VPi; typedef vector<long long> V; typedef vector<V> VV; typedef pair<long long , long long> P; typedef vector<P> VP; 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;} template <class T, class U>ostream& operator<<(ostream& os, const pair<T, U>& p) { os << "(" << p.first << " " << p.second << ")"; return os; } template <class T>ostream& operator<<(ostream& os, const vector<T>& v) { rep(i, v.size()) { if (i) os << " "; os << v[i]; } return os; } template <class T, class U>istream& operator>>(istream& is, pair<T, U>& p) { is >> p.first >>p.second ; return is; } template <class T>istream& operator>>(istream& is, vector<T>& v) { rep(i, v.size()) { is >> v[i]; } return is; } const long long INFLL = 1LL<<60; const int INF = 1<<30; const double PI=acos(-1); #ifdef LOCAL #define dbg(x) cerr << #x << ": " << (x) << '\n' #define say(x) cerr<<(x) <<'\n' #else #define dbg(x) #define say(x) #endif string solve(bool a) { return ((a) ? "Yes" : "No"); } int main(){ cin.tie(nullptr); ios::sync_with_stdio(false); int m,h; int ans=0; cin >>m>>h; cout<<solve(h%m==0)<<endl; }
#include<bits/stdc++.h> using namespace std; typedef long long int lli; #define all(arr) arr.begin(),arr.end() #define f first #define s second #define debug1(x) cout<<x<<"\n" #define debug2(x,y) cout<<x<<" "<<y<<"\n" #define debug3(x,y,z) cout<<x<<" "<<y<<" "<<z<<"\n" #define nl cout<<"\n"; #define pq priority_queue #define inf 0x3f3f3f3f #define test cout<<"abcd\n"; #define pi pair<int,int> #define pii pair<int,pi> #define pb push_back #define gc getchar_unlocked #define fo(i,n) for(i=0;i<n;i++) #define Fo(i,k,n) for(i=k;k<n?i<n:i>n;k<n?i+=1:i-=1) #define ll long long #define si(x) scanf("%d",&x) #define sl(x) scanf("%lld",&x) #define ss(s) scanf("%s",s) #define pl(x) printf("%lld\n",x) #define ps(s) printf("%s\n",s) #define deb(x) cout << #x << "=" << x << endl #define deb2(x, y) cout << #x << "=" << x << "," << #y << "=" << y << endl #define pb push_back #define mp make_pair #define F first #define S second #define clr(x) memset(x, 0, sizeof(x)) #define sortall(x) sort(all(x)) #define tr(it, a) for(auto it = a.begin(); it != a.end(); it++) #define PI 3.1415926535897932384626 #define MOD 1000000007 #define space ' ' #define kick(t) cout << "Case #" << t+1 << ":" << endl; typedef pair<ll, ll> pl; typedef vector<int> vi; typedef vector<ll> vl; typedef vector<pii> vpii; typedef vector<pl> vpl; typedef vector<vi> vvi; typedef vector<vl> vvl; template <typename T> void input(vector<T> &arr,lli n) { T temp; for(lli i=0;i<n;i++) cin>>temp, arr.push_back(temp); } template <typename T> void output(vector<T> arr) { for(auto x:arr) cout<<x<<" "; cout<<endl; } template <typename T> void input_set(set<T> &arr,lli n) { T temp; for(lli i=0;i<n;i++) cin>>temp, arr.insert(temp); } lli mul(lli a, lli b) { return (a%MOD*b%MOD)%MOD; } lli power(lli a,lli b) { lli ans = 1; while(b > 0) { if(b&1) ans = mul(ans, a); a = mul(a,a);; b >>= 1; } return ans; } void solve(int testcase) { lli n; cin >> n; if(n%2==0 && n%4==0) cout << "Even\n"; else if(n%2==0) cout << "Same\n"; else cout << "Odd\n"; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); lli testcases=1; cin >> testcases; for(int testcase=0; testcase<testcases; testcase++) { solve(testcase); } }
#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 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; //abc201 int main(){ //オーバーフローは大丈夫ですか?? cin.tie(0);ios::sync_with_stdio(false); int n; cin>>n; V<pair<int,string>> p(n); rep(i,n){ string s; int t; cin>>s>>t; p[i]={t,s}; } sort(all(p)); reverse(all(p)); out(p[1].sc); } //B //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!! //添字注意!!(特に多重ループのとき)
//#define _GLIBCXX_DEBUG //#include "atcoder/all" //using namespace atcoder; #include <bits/stdc++.h> #define int long long #define ll long long using ull = unsigned long long; using namespace std; #define Dump(x) \ if (dbg) { \ cerr << #x << " = " << (x) << endl; \ } #define overload4(_1, _2, _3, _4, name, ...) name #define FOR1(n) for (ll i = 0; i < (n); ++i) #define FOR2(i, n) for (ll i = 0; i < (n); ++i) #define FOR3(i, a, b) for (ll i = (a); i < (b); ++i) #define FOR4(i, a, b, c) for (ll i = (a); i < (b); i += (c)) #define FOR(...) overload4(__VA_ARGS__, FOR4, FOR3, FOR2, FOR1)(__VA_ARGS__) #define FORR(i, a, b) for (int i = (a); i <= (b); ++i) #define bit(n, k) (((n) >> (k)) & 1) /*nのk bit目*/ namespace mydef { const int INF = 1ll << 60; const int MOD = 1e9 + 7; template <class T> bool chmin(T& a, const T& b) { if (a > b) { a = b; return 1; } else return 0; } template <class T> bool chmax(T& a, const T& b) { if (a < b) { a = b; return 1; } else return 0; } void Yes(bool flag = true) { if (flag) cout << "Yes" << endl; else cout << "No" << endl; } void No(bool flag = true) { Yes(!flag); } void YES(bool flag = true) { if (flag) cout << "YES" << endl; else cout << "NO" << endl; } void NO(bool flag = true) { YES(!flag); } template <typename A, size_t N, typename T> void Fill(A (&array)[N], const T& val) { std::fill((T*)array, (T*)(array + N), val); } bool dbg = true; } // namespace mydef using namespace mydef; #define pb push_back //#define mp make_pair #define eb emplace_back #define lb lower_bound #define ub upper_bound #define all(v) (v).begin(), (v).end() #define SZ(x) ((int)(x).size()) #define vi vector<int> #define vvi vector<vector<int>> #define vp vector<pair<int, int>> #define vvp vector<vector<pair<int, int>>> #define pi pair<int, int> //#define P pair<int, int> //#define V vector<int> //#define S set<int> #define asn ans int T; bool check(const string& S, const string& T) { //S > T; int N = S.size(); int now = 0; for (int i = 0; i < T.size(); i++) { if (now >= N) return false; while (T[i] != S[now]) { now++; if (now >= N) return false; } now++; } return true; } void solve() { while (T--) { int N; cin >> N; string S[3]; cin >> S[0] >> S[1] >> S[2]; vector<string> T; for (int a = 0; a < 2; a++) { for (int b = 0; b < 2; b++) { string A, B; for (int i = 0; i < N; i++) { A += (char)('0' + a); B += (char)('0' + b); } T.emplace_back('0' + A + B); T.emplace_back('1' + A + B); T.emplace_back(A + '0' + B); T.emplace_back(A + '1' + B); T.emplace_back(A + B + '0'); T.emplace_back(A + B + '1'); } } for (int i = 0; i < 3; i++) { S[i] += S[i]; } string ans; for (auto& s : T) { if (check(S[0], s) && check(S[1], s) && check(S[2], s)) { ans = s; break; } } cout << ans << endl; } } signed main() { cin.tie(nullptr); ios::sync_with_stdio(false); cin >> T; solve(); return 0; }
#include <bits/stdc++.h> using namespace std; #define int long long int #define yes cout<<"YES\n"; #define no cout<<"NO\n"; #define fl(n) for(int i=0;i<n;i++) #define flo(n) for(int i=1;i<=n;i++) #define mii map<int,int> #define mci map<char,int> #define V vector<int> #define vp vector<pair<int,int>> #define pb push_back #define pp pair<int,int> #define ff first #define ss second #define S set<int> #define all(v) v.begin(),v.end() #define gr greater<int>() #define show2(a, b) cout<<a<<' '<<b<<endl; #define show3(a, b, c) cout<<a<<' '<<b<<' '<<c<<endl; const long long mod=1000000007; const int N=4e5+5; const long double PI=3.14159265358; vector<vector<int>> adj; bool v[N]; void dfs(int j){ v[j]=true; for(auto u:adj[j]){ if(!v[u]) dfs(u); } } int32_t main(){ int t=1; //cin>>t; while(t--){ int n,m; cin>>n>>m; mii mp; fl(n+2) mp[i]=0; //for(auto i:mp) cout<<i.ff<<"."<<i.ss<<endl; int a[n]; fl(n) cin>>a[i]; S s; fl(m) mp[a[i]]++; //for(auto i:mp) cout<<i.ff<<"."<<i.ss<<endl; fl(n+2){ if(mp[i]==0){ s.insert(i);} } auto it=s.begin(); int ans=*it; // cout<<ans<<endl; // for(auto it=s.begin();it!=s.end();it++) cout<<*it<<'.'; // cout<<endl; for(int i=m;i<n;i++){ mp[a[i]]++; // cout<<mp[a[i]]<<'.'; mp[a[i-m]]--; // cout<<mp[a[i-m]]<<endl; if(mp[a[i-m]]==0) s.insert(a[i-m]); if(s.find(a[i])!=s.end()){ s.erase(a[i]); } auto k=s.begin(); ans=min(ans,*k); // cout<<*k<<endl; } cout<<ans; } return 0; }
#include <bits/stdc++.h> using namespace std; #define ALL(v) v.begin(), v.end() #define V vector #define P pair using ll = long long; int main() { int n; cin >> n; string s; cin >> s; int q; cin >> q; bool flag = false; for (int i = 0; i < q; i++) { int t, a, b; cin >> t >> a >> b; if(t == 1){ if(flag){ if(a <= n && b <= n){ a = a + n - 1; b = b + n - 1; }else if(n < a && n < b){ a = a - n - 1; b = b - n - 1; }else{ a = a + n - 1; b = b - n - 1; } char ta = s[a]; char tb = s[b]; s[a] = tb; s[b] = ta; }else{ char ta = s[a - 1]; char tb = s[b - 1]; s[a - 1] = tb; s[b - 1] = ta; } }else{ flag = !flag; } } string t = s + s; if(flag) cout << t.substr(n, 2 * n) << endl; else cout << s << endl; return 0; }
#include<bits/stdc++.h> #define int long long #define rint regester int const int maxn = 1e6 + 10; const int INF = 1e9; using std::ios; using std::cin; using std::cout; using std::max; using std::min; using std::sort; using std::unique; using std::lower_bound; using std::swap; using std::abs; using std::acos; using std::queue; using std::map; using std::string; int read(){int x = 0,f = 1; char ch = getchar(); while(ch < '0' || ch > '9'){if(ch == '-')f = -1; ch = getchar();}while(ch >= '0' && ch <= '9'){x = (x << 1) + (x << 3) + (ch ^ 48); ch = getchar();} return x * f;} int n, q, op, t, a, b; char s[maxn]; signed main(){ cin >> n >> s + 1; q = read(); while(q--){ t = read(), a = read(), b = read(); if(t == 2)op ^= 1; if(t == 1){ if(op == 1){ if(a > n)a -= n;else a += n; if(b > n)b -= n; else b += n; } swap(s[a], s[b]); } } if(op == 1){ for(int i = n + 1; i <= n + n; i++)cout << s[i]; for(int i = 1; i <= n; i++)cout << s[i]; }else for(int i = 1; i <= n + n; i++)cout << s[i]; }
#include <bits/stdc++.h> using namespace std; void solve(){ string s,ans=""; cin>>s; int n,i,j=-1; n=s.length(); for(i=0;i<n;i++){ if(s[i]=='.'){ j=i; break; } } if(j==0){ cout<<"0"<<endl; return; } if(j==-1){ cout<<s<<endl; return; } for(i=0;i<j;i++) ans=ans+s[i]; cout<<ans<<endl; } int main() { // your code goes here solve(); return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) int main() { string X; cin >> X; string ans; rep(i, X.size()) { if (X.at(i) == '.') break; ans.push_back(X.at(i)); } cout << ans << endl; }
#include <bits/stdc++.h> #define all(v) v.begin(), v.end() #define rall(v) v.rbegin(), v.rend() #define rep(i,n) for(int i=0;i<(int)(n);i++) #define drep(i,j,n) for(int i=0;i<(int)(n-1);i++)for(int j=i+1;j<(int)(n);j++) #define trep(i,j,k,n) for(int i=0;i<(int)(n-2);i++)for(int j=i+1;j<(int)(n-1);j++)for(int k=j+1;k<(int)(n);k++) #define codefor int test;scanf("%d",&test);while(test--) #define INT(...) int __VA_ARGS__;in(__VA_ARGS__) #define LL(...) ll __VA_ARGS__;in(__VA_ARGS__) #define yes(ans) if(ans)printf("yes\n");else printf("no\n") #define Yes(ans) if(ans)printf("Yes\n");else printf("No\n") #define YES(ans) if(ans)printf("YES\n");else printf("NO\n") #define vector1d(type,name,...) vector<type>name(__VA_ARGS__) #define vector2d(type,name,h,...) vector<vector<type>>name(h,vector<type>(__VA_ARGS__)) #define vector3d(type,name,h,w,...) vector<vector<vector<type>>>name(h,vector<vector<type>>(w,vector<type>(__VA_ARGS__))) #define umap unordered_map #define uset unordered_set using namespace std; using ll = long long; const int MOD=1000000007; const int MOD2=998244353; const int INF=1<<30; const ll INF2=(ll)1<<60; //入力系 void scan(int& a){scanf("%d",&a);} void scan(long long& a){scanf("%lld",&a);} template<class T,class L>void scan(pair<T, L>& p){scan(p.first);scan(p.second);} template<class T> void scan(T& a){cin>>a;} template<class T> void scan(vector<T>& vec){for(auto&& it:vec)scan(it);} void in(){} template <class Head, class... Tail> void in(Head& head, Tail&... tail){scan(head);in(tail...);} //出力系 void print(const int& a){printf("%d",a);} void print(const long long& a){printf("%lld",a);} void print(const double& a){printf("%.15lf",a);} template<class T,class L>void print(const pair<T, L>& p){print(p.first);putchar(' ');print(p.second);} template<class T> void print(const T& a){cout<<a;} template<class T> void print(const vector<T>& vec){if(vec.empty())return;print(vec[0]);for(auto it=vec.begin();++it!= vec.end();){putchar(' ');print(*it);}} void out(){putchar('\n');} template<class T> void out(const T& t){print(t);putchar('\n');} template <class Head, class... Tail> void out(const Head& head,const Tail&... tail){print(head);putchar(' ');out(tail...);} //デバッグ系 template<class T> void dprint(const T& a){cerr<<a;} template<class T> void dprint(const vector<T>& vec){if(vec.empty())return;cerr<<vec[0];for(auto it=vec.begin();++it!= vec.end();){cerr<<" "<<*it;}} void debug(){cerr<<endl;} template<class T> void debug(const T& t){dprint(t);cerr<<endl;} template <class Head, class... Tail> void debug(const Head& head, const Tail&... tail){dprint(head);cerr<<" ";debug(tail...);} ll intpow(ll a, ll b){ ll ans = 1; while(b){ if(b & 1) ans *= a; a *= a; b /= 2; } return ans; } ll modpow(ll a, ll b, ll p){ ll ans = 1; while(b){ if(b & 1) (ans *= a) %= p; (a *= a) %= p; b /= 2; } return ans; } ll updivide(ll a,ll b){if(a%b==0) return a/b;else return (a/b)+1;} template<class T> void chmax(T &a,const T b){if(b>a)a=b;} template<class T> void chmin(T &a,const T b){if(b<a)a=b;} int main(){ INT(n); pair<double,double> p1,p2,p3; cin>>p1.first>>p1.second>>p2.first>>p2.second; pair<double,double> pc={(p1.first+p2.first)/2,(p1.second+p2.second)/2}; p1.first-=pc.first; p1.second-=pc.second; double theta=((double)360/n)*((double)M_PI/180); p3.first=p1.first*cos(theta)-p1.second*sin(theta)+pc.first; p3.second=p1.first*sin(theta)+p1.second*cos(theta)+pc.second; out(p3.first,p3.second); }
#pragma GCC optimize("Ofast") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,fma") #pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; typedef pair<int, int> p32; typedef pair<ll, ll> p64; typedef pair<double, double> pdd; typedef vector<ll> v64; typedef vector<int> v32; typedef vector<vector<int>> vv32; typedef vector<vector<ll>> vv64; typedef vector<vector<p64>> vvp64; typedef vector<p64> vp64; typedef vector<p32> vp32; ll MOD = 998244353; double eps = 1e-12; #define forn(i, e) for (ll i = 0; i < e; i++) #define forsn(i, s, e) for (ll i = s; i < e; i++) #define rforn(i, s) for (ll i = s; i >= 0; i--) #define rforsn(i, s, e) for (ll i = s; i >= e; i--) #define endl "\n" #define dbg(x) cout << x << " = " << x << endl #define mp make_pair #define pb push_back #define fi first #define se second #define INF 2e18 #define fast_cin() \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); \ cout.tie(NULL) #define all(x) (x).begin(), (x).end() #define sz(x) ((ll)(x).size()) void solve() { int n; cin >> n; int day=0; int sum=0; while(sum<n) { sum+=(day+1); day++; } cout<<day<<endl; } int main() { fast_cin(); ll t=1; // cin >> t; while (t--) { solve(); } return 0; }
#include <iostream> #include <assert.h> #include <vector> #include <unordered_map> #include <queue> #include <climits> #include <cmath> #include <algorithm> #include <iomanip> #define rep(i,n) for (int i = 0; i < (n); ++i) using namespace std; using ll = long long; using P = pair<int,int>; //cout << std::fixed << std::setprecision(15) << res << endl; //int di[] = {-1,0,1,0}; //int dj[] = {0,-1,0,1}; //printf("%.10f %.10f\n), ans.real(), ans.imag()); int main(){ std::cin.tie(0); std::ios::sync_with_stdio(false); int N; cin >> N; int res = N / 100 + 1; if (N % 100 == 0) { res = N / 100; } cout << res << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int main(){ string x; cin >> x; for(int i=0; i<x.length(); i++){ if(x[i]!='.'){ cout << x[i]; }else{ break; } } cout << endl; return 0; }
#include<iostream> #include<cstring> #include<cmath> #include<vector> #include<map> #include<set> #include<queue> #include<stack> #include<deque> #include <algorithm> using namespace std; #define mem(a,b) memset(a,b,sizeof a) #define PII pair<int,int> #define ll long long #define ull unsigned long long #define ft first #define sd second #define endl '\n' #define PI acos(-1.0) #define lcm(a,b) a/gcd(a,b)*b #define INF_INT 0x3f3f3f3f #define debug(a) cout<<#a<<"="<<a<<endl; #define _for(i,a,b) for( int i=(a); i<(b); ++i) #define _rep(i,a,b) for( int i=(a); i<=(b); ++i) //inline void print(__int128 x){if(x<0){putchar('-');x=-x;}if(x>9) print(x/10);putchar(x%10+'0');} int gcd(int a, int b){return b ? gcd(b, a % b) : a;} int exgcd(int a, int b, int &x, int &y){if(!b){x = 1; y = 0;return a;}int d = exgcd(b, a % b, y, x);y -= (a/b) * x;return d;} int qmi(int m, int k, int p){int res = 1 % p, t = m;while (k){if (k&1) res = res * t % p;t = t * t % p;k >>= 1;}return res;} inline int read(){int s=0,x=1;char ch=getchar();while(ch<'0'||ch>'9') {if(ch=='-') x=-1; ch=getchar();}while(ch>='0'&&ch<='9'){s=s*10+ch-'0';ch=getchar(); }return s*x;} const int N = 1e6+7; int n,m; void solve() { n = read(); map<int,int> mp; _for(i,0,n){ m = read(); if(mp[m]){ puts("No"); return; } else{ mp[m] = 1; } } puts("Yes"); return; } int main() { //ios::sync_with_stdio(0); int T = 1; // cin >> T; while(T--) { solve(); } return 0; }
#include<iostream> #include<map> #include<vector> #include<algorithm> #include<set> #include<queue> #include<stack> #include<math.h> #include<time.h> #include<deque> #include<cstring> #define ll long long #define FOR(i,a,b) for(int i=a;i<b;i++) #define pb push_back #define F first #define S second #define mp make_pair #define MOD (ll)(1e9+7) #define INF (ll)(1e18) #define M 5000005 #define endl "\n" #define AC ios::sync_with_stdio(0);cin.tie(0); using namespace std; ll fpow(ll x,ll y){ ll r=1; while(y){ if(y&1){ r*=x; r%=MOD; } x*=x; x%=MOD; y>>=1; } return r; } ll gcd(ll x,ll y){ if(y>x) swap(x,y); return y?gcd(y,x%y):x; } signed main(){ AC; int n; int cnt[1005]={0}; cin>>n; FOR(i,0,n){ int x; cin>>x; cnt[x]++; } FOR(i,1,n+1){ if(cnt[i]!=1){ cout<<"No"<<endl; return 0; } } cout<<"Yes"<<endl; }
#include <bits/stdc++.h> #define rep(i,n) for(int i=(0);i<(n);i++) using namespace std; typedef long long ll; 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; } // dijkstra 蟻本 struct edge {ll to, cost;}; typedef pair<ll, int> P; // firstはsからの最短距離, secondは頂点の番号 const ll INF = 4e18; int n; vector<vector<edge>> g; vector<ll> dijkstra(int n, int s){ vector<ll> d(n, INF); d[s] = 0; priority_queue<P,vector<P>,greater<P> > que; que.push(P(0, s)); while(!que.empty()){ P p = que.top(); que.pop(); int v = p.second; if(d[v] < p.first) continue; //後から最短パスが見つかった場合、先にqueに入っているものはここではじかれる for(int i = 0; i < g[v].size(); i++){ edge e= g[v][i]; if(d[e.to] > d[v] + e.cost){ d[e.to] = d[v] + e.cost; que.push(P(d[e.to], e.to)); } } } return d; } int nth_bit(int b, int i){ return (b >> i) & 1; } int main(){ cin.tie(0); ios::sync_with_stdio(false); int m; cin >> n >> m; g.resize(n, vector<edge>()); rep(i, m){ int u, v; cin >> u >> v; u--; v--; g[u].push_back({v, 1ll}); g[v].push_back({u, 1ll}); } int k; cin >> k; vector<int> t(k); rep(i, k){ cin >> t[i]; t[i]--; } vector<vector<ll>> d(k); rep(i, k) d[i] = dijkstra(n, t[i]); auto dp = vector<vector<ll>>((1 << k), vector<ll>(k, INF)); rep(i, k) dp[1 << i][i] = 1; rep(b, 1 << k) rep(i, k) rep(j, k){ if(nth_bit(b, i) && !nth_bit(b, j)) { chmin(dp[b + (1 << j)][j], dp[b][i] + d[i][t[j]]); } } auto &v = dp[(1 << k) - 1]; ll ans = *min_element(v.begin(), v.end()); if(ans == INF){ cout << -1 << endl; }else{ cout << ans << endl; } }
#include "bits/stdc++.h" using namespace std; using ll = int64_t; #define eb emplace_back #define F first #define S second #define ice(i, a, b) for (int (i) = (a); (i) < (b); ++(i)) const ll MOD = 1e9 + 7; vector<vector<pair<int, ll>>> adj(200001); vector<ll> val(200001, 0); void dfs(int n, int m = -1) { for (auto b : adj[n]) { if (b.F != m) { val[b.F] = val[n] ^ b.S; dfs(b.F, n); } } } void solve() { int n; cin >> n; ice (i, 0, n - 1) { int u, v; ll w; cin >> u >> v >> w; --u; --v; adj[u].eb(v, w); adj[v].eb(u, w); } dfs(0); ll ans = 0; ice (i, 0, 60) { ll zero = 0, one = 0; ice (j, 0, n) { val[j] & (1LL << i) ? one++ : zero++; } ll cnt = (((zero * one) % MOD) * ((1LL << i) % MOD)) % MOD; ans = (ans + cnt) % MOD; } cout << ans; } int main() { solve(); }
#include<bits/stdc++.h> #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,b) for(int i=(a);i<(b);i++) using namespace std; const long long MOD = 1e9 + 7; const long long INF = 1e12; const int inf = 1e9; const int mod = 1e9+7; typedef long long ll; typedef pair<ll,int> P; typedef set<int> S; 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; } __attribute__ ((constructor)) void fastio() { ios_base::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(10); } int main(){ int n, m; cin >> n >> m; vector<int> a(m); vector<int> b(m); rep(i, m) cin >> a[i] >> b[i]; rep(i, m){ a[i]--; b[i]--; } int k; cin >> k; vector<int> c(k); vector<int> d(k); rep(i, k){ cin >> c[i] >> d[i]; c[i]--; d[i]--; } int ans = 0; rep(i,(1<<k)){ vector<int> sara(n, 0); rep(j,k){ if((i>>j)&1){ sara[c[j]]++; }else{ sara[d[j]]++; } } int cnt = 0; rep(j,m){ if(sara[a[j]] > 0 && sara[b[j]] > 0) cnt++; } chmax(ans, cnt); } cout << ans << endl; return 0; }
#include<bits/stdc++.h> using namespace std; const int N=110; int n,m,k,a[N],b[N],c[N],d[N]; int vis[N],ans; void dfs(int x){ if(x==k+1){ int sum=0; for(int i=1;i<=m;i++){ if(vis[a[i]]&&vis[b[i]]){ sum++; } } ans=max(ans,sum); return ; } vis[c[x]]++; dfs(x+1); vis[c[x]]--; vis[d[x]]++; dfs(x+1); vis[d[x]]--; } int main(){ scanf("%d%d",&n,&m); for(int i=1;i<=m;i++){ scanf("%d%d",&a[i],&b[i]); } scanf("%d",&k); for(int i=1;i<=k;i++){ scanf("%d%d",&c[i],&d[i]); } dfs(1); printf("%d\n",ans); }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; const int mod = 1000 * 1000 * 1000 + 7; const int INF = 1e9 + 100; const ll LINF = 1e18 + 100; #ifdef DEBUG #define dbg(x) cout << #x << " = " << (x) << endl << flush; #define dbgr(s, f) { cout << #s << ": "; for (auto _ = (s); _ != (f); _++) cout << *_ << ' '; cout << endl << flush; } #else #define dbg(x) ; #define dbgr(s, f) ; #endif #define FOR(i, a, b) for (int i = (a); i < (b); i++) //#define fast_io ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); //#define msub(a, b) ((mod + ((ll)(a) - (b)) % mod) % mod) //#define mdiv(a, b) ((ll)(a) * poww((b), mod - 2) % mod) #define all(x) (x).begin(), (x).end() #define pb push_back #define mp make_pair #define fr first #define sc second #define endl '\n' #define MAXN 200100 #define MAXK 20 ll poww(ll a, ll b) { ll res = 1; while (b) { if (b & 1) res = res * a % mod; a = a * a % mod; b /= 2; } return res; } string s; int k; int n; ll ans; ll dp[MAXK]; ll comb[MAXK][MAXK]; ll ps[MAXK]; inline int getdig(char c) { if ('0' <= c && c <= '9') return c - '0'; return c - 'A' + 10; } ll f(int n, int k, int t) { if (k - t > n) return 0; if (n == 0 && k == t) return 1; ll res = 0; FOR(i, 0, k - t + 1) { res = (res + comb[k - t][i] * poww(k - i, n) * (i % 2 ? -1 : 1)) % mod; } res = (res * comb[16 - t][k - t]) % mod; res = (mod + res) % mod; return res; } int cnt[MAXN]; int dif; inline void add(int x) { cnt[x]++; if (cnt[x] == 1) dif++; } inline void rem(int x) { cnt[x]--; if (cnt[x] == 0) dif--; } int32_t main(void) { ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); cin >> s >> k; n = s.size(); FOR(i, 0, MAXK) { comb[i][0] = comb[i][i] = 1; FOR(j, 1, i) comb[i][j] = (comb[i - 1][j - 1] + comb[i - 1][j]) % mod; } FOR(i, 0, n) { int fr = (i ? 0 : 1); int d = getdig(s[i]); FOR(j, fr, d) { add(j); if (dif <= k) ans = (ans + f(n - i - 1, k, dif)) % mod; rem(j); } add(d); if (dif > k) break; } if (dif == k) ans = (ans + 1) % mod; FOR(i, 1, n) { ans = (ans + f(i - 1, k, 1) * 15) % mod; } cout << ans << endl; return 0; }
#include<bits/stdc++.h> using namespace std; typedef long long ll; const ll mod=1e9+7; const ll N=2e5+5; char s[N]; ll k,len; ll nums[N]; ll dp[N][20][2][2]; ll dfs(ll pos,int st,bool pre,bool limit){ int cnt=__builtin_popcount(st); if(cnt>k) return 0; if(pos>len) return cnt==k&&pre; if(dp[pos][cnt][limit][pre]!=-1) return dp[pos][cnt][limit][pre]; ll ans=0; ll up=limit?nums[pos]:15; for(int i=0;i<=up;i++){ ans=(ans+dfs(pos+1,(!i&&!pre)?st:st|(1<<i),i|pre,i==up&&limit))%mod; } if(!limit) dp[pos][cnt][limit][pre]=ans; return ans; } int main(){ memset(dp,-1,sizeof(dp)); cin>>s+1>>k; len=strlen(s+1); for(ll i=1;i<=len;i++){ if(s[i]>='0'&&s[i]<='9') nums[i]=s[i]-'0'; else nums[i]=s[i]-'A'+10; } cout<<dfs(1,0,0,true)<<"\n"; }
#include <bits/stdc++.h> using namespace std; const int Maxn = 400004; char tmp[Maxn]; int T; int n; string A, B, C; int nxtA[Maxn][2], nxtB[Maxn][2], nxtC[Maxn][2]; char res[Maxn]; int rlen; void Read(string &S, int nxt[][2]) { scanf("%s", tmp); S = tmp; S = S + S; nxt[S.length()][0] = nxt[S.length()][1] = S.length(); for (int i = int(S.length()) - 1; i >= 0; i--) { nxt[i][0] = nxt[i + 1][0]; nxt[i][1] = nxt[i + 1][1]; nxt[i][S[i] - '0'] = i; } } int main() { scanf("%d", &T); while (T--) { scanf("%d", &n); Read(A, nxtA); Read(B, nxtB); Read(C, nxtC); printf("%s%s%s\n", string(n, '0').c_str(), string(n, '1').c_str(), string(1, '0').c_str()); } return 0; }
#include<bits/stdc++.h> using namespace std; #define rep(i,n) for(int i=0; i<(n); i++) #define pb push_back #define all(v) (v).begin(),(v).end() #define fi first #define se second #define sz(x) ((int)(x).size()) using ll=long long; typedef pair<int,int> pii; typedef pair<ll,ll> pll; #define MOD 1000000007 const ll INF=1e18; template<class T>void show(vector<T>v){for (int i = 0; i < v.size(); i++){cerr<<v[i]<<" ";}cerr<<endl;} 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; } int main(int argc, char const *argv[]) { ll n, sum = 0, ans=0; cin >> n; vector<ll> a(n),an(n); rep(i,n) { cin >> a[i]; sum += a[i]; ans += a[i] * a[i]; } ans *= (n-1); ll tmp = 0; rep(i, n) { sum -= a[i]; ans -= a[i] * sum * 2; } cout << ans << endl; return 0; }
#include<iostream> #include<vector> using namespace std; int main() { /**/ int start_x, start_y, goal_x, goal_y; int cost=0; for (int i = 0; i < 1000; i++) { /*input*/ cin >> start_x >> start_y >> goal_x >> goal_y; /*cul*/ if (start_x - goal_x >= 0) for (int j = 0; j < start_x - goal_x; j++) cout << 'U'; else for (int j = 0; j > start_x - goal_x; j--) cout << 'D'; if (start_y - goal_y >= 0) for (int j =0; j < start_y - goal_y; j++) cout << 'L'; else for (int j = 0; j > start_y - goal_y; j--) cout << 'R'; cout << endl; cin >> cost; } return 0; }
//GIVE ME AC!!!!!!!!!!!!!!!!! #pragma GCC target("avx") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include<bits/stdc++.h> #include <random> #define ll long long #define rep(i, s, n) for (ll i = s; i < (ll)(n); i++) using namespace std; int main(){ rep(i,0,1000){ ll a,b,c,d; cin>>a>>b>>c>>d; string ans=""; if(c>a){ rep(i,0,c-a){ ans+="D"; } } else{ rep(i,0,a-c){ ans+="U"; } } if(b>d){ rep(i,0,b-d){ ans+="L"; } } else{ rep(i,0,d-b){ ans+="R"; } } std::mt19937 get_rand_mt; std::shuffle( ans.begin(), ans.end(), get_rand_mt ); cout<<ans<<endl; ll n; cin>>n; } }
// Problem: E - Spread of Information // Contest: AtCoder - AtCoder Regular Contest 116 // URL: https://atcoder.jp/contests/arc116/tasks/arc116_e // Memory Limit: 1024 MB // Time Limit: 3000 ms // // Powered by CP Editor (https://cpeditor.org) #include <bits/stdc++.h> using namespace std; inline int read(){ int s=0,w=1; char ch=getchar(); while(ch<'0'||ch>'9'){if(ch=='-')w=-1;ch=getchar();} while(ch>='0'&&ch<='9') s=s*10+ch-'0',ch=getchar(); return s*w; } const int N=5e5+5; int n,m,cnt,f[N],g[N],is[N],head[N],ans,gs; struct nood { int nex,to; }; nood e[N*2]; inline void jia(int u,int v) { e[++cnt].nex=head[u]; head[u]=cnt; e[cnt].to=v; } inline void dfs(int u,int fa,int x) { f[u]=1e9; g[u]=-1e9; for ( int i=head[u];i;i=e[i].nex ) { int v=e[i].to; if(v==fa) continue; dfs(v,u,x); f[u]=min(f[v]+1,f[u]); g[u]=max(g[v]+1,g[u]); } if(is[u]&&f[u]>x) g[u]=max(g[u],0); if(g[u]+f[u]<=x) g[u]=-1e9; if(g[u]==x) gs++,g[u]=-1e9,f[u]=0; } inline bool check(int mid) { gs=0; dfs(1,0,mid); gs+=(g[1]>=0); return gs<=m; } int main() { n=read(); m=read(); for ( int i=1;i<=n;i++ ) is[i]=1; for ( int i=1;i<n;i++ ) { int x,y; x=read(),y=read(); jia(x,y); jia(y,x); } int l=0,r=n; while(l<=r) { int mid=(l+r)/2; if(check(mid)) { ans=mid; r=mid-1; } else l=mid+1; } printf("%d\n",ans); return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; #define REP(i, n) for(int i=0; i<n; i++) #define REPi(i, a, b) for(int i=int(a); i<int(b); i++) #define MEMS(a,b) memset(a,b,sizeof(a)) #define mp make_pair 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 ll MOD = 1e9+7; ll C[200100]; class UnionFind{ public: vector<int> par; vector<set<int>> child; vector<int> rank; vector<map<int, int>> num; UnionFind(int n){ child.resize(n); num.resize(n); for(int i = 0; i < n; i++){ par.push_back(i); rank.push_back(0); num[i][C[i]] = 1; } } int find(int x){ if(x == par[x]) return x; else return par[x] = find(par[x]); } void unite(int x, int y){ x = find(x); y = find(y); if(x == y) return; if(rank[x] < rank[y]){ par[x] = y; child[y].insert(x); for(auto&& p : num[x]){ num[y][p.first] += p.second; } } else{ par[y] = x; child[x].insert(y); if(rank[x] == rank[y]) rank[x]++; for(auto&& p : num[y]){ num[x][p.first] += p.second; } } } bool same(int x, int y){ return find(x) == find(y); } ll get_num(int x, int y){ x = find(x); return num[x][y]; } }; int main(){ ll N, Q; cin >> N >> Q; REP(i,N){ ll c; cin >> c; C[i] = c-1; } UnionFind uni(N); REP(q,Q){ ll a, x ,y; cin >> a >> x >> y; x--, y--; if(a == 1){ uni.unite(x, y); } else{ ll ans = 0; ans = uni.get_num(x, y); cout << ans << 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;} unordered_map<int,bool> mp; int t,n,x; int main() { read(t); while(t--) { read(n),mp.clear(); rep(i,1,n) read(x),mp[x]^=1; if(n&1) {puts("Second");continue;} bool flag=false; for(auto &p:mp) if(p.second) flag=true; puts(flag?"First":"Second"); } 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 <bits/stdc++.h> using namespace std; using lint = long long; constexpr lint mod = 1e9 + 7; #define all(x) (x).begin(), (x).end() #define bitcount(n) __builtin_popcountl((lint)(n)) #define fcout cout << fixed << setprecision(15) #define highest(x) (63 - __builtin_clzl(x)) #define rep(i, n) for(int i = 0; i < int(n); i++) #define rep2(i, l, r) for(int i = int(l); i < int(r); i++) #define repr(i, n) for(int i = int(n) - 1; i >= 0; i--) #define repr2(i, l, r) for(int i = int(r) - 1; i >= int(l); i--) #define SZ(x) int(x.size()) constexpr int inf9 = 1e9; constexpr lint inf18 = 1e18; inline void YES(bool condition){ if(condition) cout << "YES" << endl; else cout << "NO" << endl; } inline void Yes(bool condition){ if(condition) cout << "Yes" << endl; else cout << "No" << endl; } inline void assertNO(bool condition){ if(!condition){ cout << "NO" << endl; exit(0); } } inline void assertNo(bool condition){ if(!condition){ cout << "No" << endl; exit(0); } } inline void assertm1(bool condition){ if(!condition){ cout << -1 << endl; exit(0); } } lint power(lint base, lint exponent, lint module){ if(exponent % 2){ return power(base, exponent - 1, module) * base % module; }else if(exponent){ lint root_ans = power(base, exponent / 2, module); return root_ans * root_ans % module; }else{ return 1; }} struct position{ int y, x; }; position mv[4] = {{0, -1}, {1, 0}, {0, 1}, {-1, 0}}; double euclidean(position first, position second){ return sqrt((second.x - first.x) * (second.x - first.x) + (second.y - first.y) * (second.y - first.y)); } template<class T, class U> string to_string(pair<T, U> x){ return to_string(x.first) + "," + to_string(x.second); } string to_string(string x){ return x; } template<class T> string to_string(complex<T> x){ return to_string(make_pair(x.real(), x.imag())); } template<class itr> void array_output(itr start, itr goal){ string ans; for(auto i = start; i != goal; i++) cout << (i == start ? "" : " ") << (*i); if(!ans.empty()) ans.pop_back(); cout << ans << endl; } template<class itr> void cins(itr first, itr last){ for(auto i = first; i != last; i++){ cin >> (*i); } } template<class T> T gcd(T a, T b){ if(b) return gcd(b, a % b); else return a; } template<class T> T lcm(T a, T b){ return a / gcd(a, b) * b; } struct combination{ vector<lint> fact, inv; combination(int sz) : fact(sz + 1), inv(sz + 1){ fact[0] = 1; for(int i = 1; i <= sz; i++){ fact[i] = fact[i - 1] * i % mod; } inv[sz] = power(fact[sz], mod - 2, mod); for(int i = sz - 1; i >= 0; i--){ inv[i] = inv[i + 1] * (i + 1) % mod; } } lint P(int n, int r){ if(r < 0 || n < r) return 0; return (fact[n] * inv[n - r] % mod); } lint C(int p, int q){ if(q < 0 || p < q) return 0; return (fact[p] * inv[q] % mod * inv[p - q] % mod); } }; template<class itr> bool next_sequence(itr first, itr last, int max_bound){ itr now = last; while(now != first){ now--; (*now)++; if((*now) == max_bound){ (*now) = 0; }else{ return true; } } return false; } template<class itr, class itr2> bool next_sequence2(itr first, itr last, itr2 first2, itr2 last2){ itr now = last; itr2 now2 = last2; while(now != first){ now--, now2--; (*now)++; if((*now) == (*now2)){ (*now) = 0; }else{ return true; } } return false; } 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; } inline int at(lint i, int j){ return (i >> j) & 1; } random_device rnd; bool is_in_board(lint y, lint x, lint H, lint W){ return (0 <= y && y < H && 0 <= x && x < W); } string pool[2] = {"First", "Second"}; void solve(){ int N; cin >> N; lint a[N]; cins(a, a + N); map<lint, int> inv; rep(i, N){ inv[a[i]]++; } for(auto i: inv){ if(i.second % 2){ cout << pool[N % 2] << endl; return; } } cout << pool[1 - N % 2] << endl; } int main(){ int T; cin >> T; rep(i, T) solve(); }
#include<bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int,int> PII; const int maxn=200020,mod=998244353; #define MP make_pair #define PB push_back #define lson o<<1,l,mid #define rson o<<1|1,mid+1,r #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 MEM(x,v) memset(x,v,sizeof(x)) inline ll read(){ char ch=getchar();ll x=0,f=0; while(ch<'0' || ch>'9') f|=ch=='-',ch=getchar(); while(ch>='0' && ch<='9') x=x*10+ch-'0',ch=getchar(); return f?-x:x; } inline int qmo(int x){return x+(x>>31?mod:0);} int n,m; char s[maxn],t[maxn]; int main(){ n=read(); scanf("%s",s+1); FOR(i,1,n){ t[++m]=s[i]; if(m>=3 && t[m-2]=='f' && t[m-1]=='o' && t[m]=='x') m-=3; } printf("%d\n",m); }
#include <bits/stdc++.h> using namespace std; #define N 200000 int main() { int n, p, q = 0; vector<bool> u(N+5, 0); scanf("%d", &n); for (int i = 0; i < n; ++i) { scanf("%d", &p); u[p] = 1; while (u[q]) ++q; printf("%d\n", q); } }
#include <bits/stdc++.h> using namespace std; int dp[1001][1001]; int a[1001], b[1001]; int n, m; int solve(int i, int j) { if (dp[i][j] != -1) { return dp[i][j]; } int & res = dp[i][j]; if (i == n) { res = m - j; return res; } if (j == m) { res = n - i; return res; } if (a[i] == b[j]) { res = solve(i + 1, j + 1); } else { res = 1 + solve(i + 1, j + 1); res = min(res, 1 + solve(i, j + 1)); res = min(res, 1 + solve(i + 1, j)); } return res; } int main() { memset(dp, -1, sizeof dp); cin >> n >> m; for (int i = 0; i < n; ++i) { cin >> a[i]; } for (int i = 0; i < m; ++i) { cin >> b[i]; } cout << solve(0, 0) << endl; return 0; }
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> // Common file #include <ext/pb_ds/tree_policy.hpp> // Including tree_order_statistics_node_update using namespace __gnu_pbds; using namespace std; #define rep(i, a, b) for (__typeof((b)) i = (a); i < (b); i++) #define nrep(i, a, b) for (__typeof((b)) i = (a); i > (b); i--) #define all(a) (a).begin(), (a).end() #define ff first #define ss second #define ppi pair<int, int> #define pppi pair<ppi, int> #define vi vector<int> #define vii vector<ppi> #define viii vector<pppi> #define vs vector<string> #define pb push_back #define bitcount __builtin_popcountll // count no's of ones in a set bit #define prq priority_queue #define mp make_pair #define mem(x, val) memset((x), (val), sizeof(x)); #define sz(x) (int)x.size() #define M_PI 3.14159265358979323846 #define rootdada \ ios_base::sync_with_stdio(false); \ cin.tie(0); \ cout.tie(0); #define test \ int t; \ cin >> t; \ while (t--) #define debug(a) \ cerr << #a << ": "; \ for (auto i : a) cerr << i << " "; \ cerr << '\n'; #define trace(a) cerr << #a << ": " << a << "\n" #define print(ar, n) \ for (int u = 0; u < n; u++) { \ cout << ar[u] << " "; \ } \ cout << endl; #define int long long #define M 1000000007 #define ordered_set \ tree<int, null_type, less<int>, rb_tree_tag, \ tree_order_statistics_node_update> int lcs( vector<int> X, vector<int> Y, int n, int m ) { int L[n + 1][m + 1]; int i, j; /* Following steps build L[m+1][n+1] in bottom up fashion. Note that L[i][j] contains length of LCS of X[0..i-1] and Y[0..j-1] */ for (i = 0; i <= n; i++) L[i][0] = i; for (j = 0; j <= m; j++) L[0][j] = j; for (i = 0; i < n; i++) { for (j = 0; j < m; j++) { if (X[i] == Y[j]) L[i + 1][j + 1] = L[i][j]; else L[i + 1][j + 1] = min(L[i][j], min(L[i + 1][j], L[i][j + 1])) + 1; } } /* L[m][n] contains length of LCS for X[0..n-1] and Y[0..m-1] */ return L[n][m]; } signed main() { rootdada; #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("error.txt", "w", stderr); freopen("output.txt", "w", stdout); #endif int n, m; cin >> n >> m; vi a(n), b(m); rep(i, 0, n) cin >> a[i]; rep(i, 0, m) cin >> b[i]; int ans = lcs(a, b, n, m); cout << ans << endl; }
#include<bits/stdc++.h> using namespace std; #define ll long long int #define ld long double #define mem(a,val) memset(a,(val),sizeof((a))) #define FAST std::ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0); #define decimal(n) cout << fixed ; cout << setprecision((n)); #define mp make_pair #define eb emplace_back #define f first #define s second #define all(v) v.begin(), v.end() #define endl "\n" #define lcm(m,n) (m)*((n)/__gcd((m),(n))) #define rep(i,n) for(ll (i)=0;(i)<(n);(i)++) #define rep1(i,n) for(ll (i)=1;(i)<(n);(i)++) #define repa(i,n,a) for(ll (i)=(a);(i)<(n);(i)++) #define repr(i,n) for(ll (i)=(n)-1;(i)>=0;(i)--) #define pll pair<ll,ll> #define mll map<ll,ll> #define vll vector<ll> #define sz(x) (ll)x.size() #define ub upper_bound #define lb lower_bound #define pcnt(x) __builtin_popcountll(x) const long long N=1e4+10; const long long NN=1e18; const int32_t M=1e9+7; const int32_t MM=998244353; template<typename T,typename T1>T maxn(T &a,T1 b){if(b>a)a=b;return a;} template<typename T,typename T1>T minn(T &a,T1 b){if(b<a)a=b;return a;} ll abc[61]; void pre() { abc[0]=1; for(int i=1;i<=60;i++) { abc[i]=abc[i-1]*2; } } void solve() { //code begins from here// ll n; cin>>n; string s[n+1]; rep1(i,n+1)cin>>s[i]; ll ans=0; for(int i=n;i>=1;i--) { if(s[i]=="OR") { ans+=abc[i]; } } ans++; cout<<ans; } signed main() { FAST //freopen("input.txt", "r", stdin); //freopen("output.txt", "w", stdout); int testcase=1; //cin>>testcase; pre(); while(testcase--) solve(); return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for(int i = 0; i < (n); ++i) using ll = long long; using P = tuple<ll, ll, int>; int main() { int n; cin >> n; vector<P> ps; rep(i, n) { ll x, y; cin >> x >> y; ps.emplace_back(x, y, i); } vector<bool> pushed(n); vector<P> use; auto push = [&]() -> void { rep(i, 3) { auto[x, y, id] = ps[i]; if(pushed[id]) continue; use.push_back(ps[i]); pushed[id] = true; } rep(_i, 3) { int i = n - 1 - _i; auto[x, y, id] = ps[i]; if(pushed[id]) continue; use.push_back(ps[i]); pushed[id] = true; } }; sort(ps.begin(), ps.end()); push(); sort(ps.begin(), ps.end(), [&](auto a, auto b) { auto[x, y, i] = a; auto[xb, yb, ib] = b; return y < yb; }); push(); vector<int> dist; for(auto &[x, y, i] : use) { for(auto &[x2, y2, i2] : use) { if(i == i2) continue; ll d = max(abs(x - x2), abs(y - y2)); dist.push_back(d); } } sort(dist.rbegin(), dist.rend()); cout << dist[2] << '\n'; return 0; }
#include <bits/stdc++.h> #define pb push_back #define fst first #define snd second #define fore(i,a,b) for(int i=a,ggdem=b;i<ggdem;++i) #define SZ(x) ((int)x.size()) #define ALL(x) x.begin(),x.end() #define mset(a,v) memset((a),(v),sizeof(a)) #define FIN ios::sync_with_stdio(0);cin.tie(0);cout.tie(0) using namespace std; typedef long long ll; const ll MOD=998244353; const int MAXN=5005; ll fact[MAXN],facti[MAXN]; ll be(ll b, ll e, ll mod){ ll r=1; while(e)if(e&1)r=(r*b)%mod,e^=1; else b=(b*b)%mod,e/=2; return r; } ll comb(ll n, ll k){ if(k>n)return 0; return fact[n]*(facti[k]*facti[n-k]%MOD)%MOD; } vector<ll> mul(vector<ll> a, vector<ll> b){ vector<ll> res(SZ(a)+SZ(b)-1); fore(i,0,SZ(a)){ if(a[i]==0)continue; fore(j,0,SZ(b)){ res[i+j]=(res[i+j]+a[i]*b[j])%MOD; } } return res; } int main(){FIN; fact[0]=1; fore(i,1,MAXN)fact[i]=fact[i-1]*i%MOD; fore(i,0,MAXN)facti[i]=be(fact[i],MOD-2,MOD); ll n,m; cin>>n>>m; if(m&1){ cout<<"0\n"; return 0; } vector<ll> res(m+1); res[0]=1; fore(i,0,13){ ll pot=(1ll<<(i+1)); if(pot>m)break; vector<ll> p(m+1); for(ll j=0;j<=m;j+=pot){ p[j]=comb(n,2*j/pot); } //for(auto i:p)cout<<i<<" "; //cout<<"\n"; res=mul(p,res); //for(auto i:res)cout<<i<<" "; //cout<<"\n"; while(SZ(res)>m+1)res.pop_back(); } cout<<res.back()<<"\n"; return 0; }
#include<cstdio> #define mod 998244353 #define N 5001 int f[N],C[N][N]; int main() { int n,m,t; scanf("%d%d",&n,&m); for(int i=0;i<=n;++i) { C[i][0]=1; for(int j=1;j<=i;++j) { C[i][j]=C[i-1][j-1]+C[i-1][j]; if(C[i][j]>=mod) C[i][j]-=mod; } } f[0]=1; for(int i=0;i<=11;++i) { t=(1<<i)<<1; for(int k=m;k>=t;--k) for(int j=t,l=2;j<=k;j+=t,l+=2) { f[k]+=1ll*f[k-j]*C[n][l]%mod; if(f[k]>=mod) f[k]-=mod; } } printf("%d",f[m]); }
#include <bits/stdc++.h> using namespace std; typedef int_fast32_t int32; typedef int_fast64_t int64; const int32 inf = 1e9+7; const int32 MOD = 1000000007; const int64 llinf = 1e18; #define YES(n) cout << ((n) ? "YES\n" : "NO\n" ) #define Yes(n) cout << ((n) ? "Yes\n" : "No\n" ) #define POSSIBLE(n) cout << ((n) ? "POSSIBLE\n" : "IMPOSSIBLE\n" ) #define ANS(n) cout << (n) << "\n" #define REP(i,n) for(int64 i=0;i<(n);++i) #define FOR(i,a,b) for(int64 i=(a);i<(b);i++) #define FORR(i,a,b) for(int64 i=(a);i>=(b);i--) #define all(obj) (obj).begin(),(obj).end() #define rall(obj) (obj).rbegin(),(obj).rend() #define fi first #define se second #define pb(a) push_back(a) typedef pair<int32,int32> pii; typedef pair<int64,int64> pll; 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; } int main(){ cin.tie(0); ios::sync_with_stdio(false); int32 n,m; cin >> n >> m; vector<vector<int32>> adj(n); REP(i,m){ int32 a,b; cin >> a >> b; --a;--b; adj[a].pb(b); adj[b].pb(a); } int32 k; cin >> k; vector<int32> c(k); REP(i,k){ cin >> c[i]; --c[i]; } vector<vector<int32>> g(k,vector<int32>(k,inf)); REP(i,k){ vector<int32> dist(n,inf); queue<pii> que; auto push = [&](int32 d,int32 v){ if(chmin(dist[v],d)) que.emplace(d,v); }; push(0,c[i]); while(!que.empty()){ auto [d,v] = que.front();que.pop(); if(d != dist[v])continue; for(auto u : adj[v]){ push(d+1,u); } } REP(j,k){ g[i][j] = dist[c[j]]; } } // REP(i,k){ // REP(j,k){ // cout << g[i][j] << " "; // } // cout << endl; // } vector<vector<int32>> dist(k,vector<int32>(1<<k,inf)); queue<pair<int32,pii>> que; auto push = [&](int32 d, int32 v, int32 s){ if(chmin(dist[v][s],d)) que.emplace(d,pii(v,s)); }; REP(i,k){ push(0,i,1<<i); } while(!que.empty()){ auto [d,p] = que.front();que.pop(); auto [v,s] = p; if(dist[v][s] != d)continue; REP(u,k){ if(u == v)continue; if(g[v][u] == inf)continue; push(d+g[v][u],u,s|(1<<u)); } } int32 ans = inf; REP(i,k){ chmin(ans,dist[i][(1<<k)-1]); } if(ans == inf){ ANS(-1); }else{ ANS(ans+1); } return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using pii = pair<int,int>; #define pb push_back #define mp make_pair const int INF = 0x3f3f3f3f; const int MOD = 1e9+7; const int MAX_N = 2e5+10; const int MAX_K = 19; int n, m; int a[MAX_N],b[MAX_N]; int k; int c[MAX_K]; int dist[MAX_K][MAX_N]; int dp[1<<MAX_K][MAX_K]; vector<int> g[MAX_N]; void bfs(int s) { int* D = dist[s]; D[c[s]] = 0; queue<int> que; que.push(c[s]); while(!que.empty()){ int cur = que.front(); que.pop(); for(int t : g[cur]){ if(D[t]>D[cur]+1){ D[t]=D[cur]+1; que.push(t); } } } } void solve() { for(int i=0;i<m;++i){ g[a[i]].push_back(b[i]); g[b[i]].push_back(a[i]); } memset(dist,0x3f,sizeof(dist)); for(int i=0;i<k;++i) bfs(i); memset(dp, 0x3f, sizeof(dp)); for(int i=0;i<k;++i)dp[1<<i][i]=1; for(int i=0;i<(1<<k);++i)for(int j=0;j<k;++j)if(dp[i][j]!=INF){ for(int x=0;x<k;x++)if(!(i>>x&1)){ // adding x const int d=dist[j][c[x]]; if(d != INF){ dp[i|(1<<x)][x]=min(dp[i|(1<<x)][x],dp[i][j]+d); } } } int ans = INF; for(int i=0;i<k;++i)ans=min(ans,dp[(1<<k)-1][i]); if(ans==INF)ans=-1; cout<<ans<<'\n'; } int main() { ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); cin >> n >> m; for(int i=0;i<m;++i){ cin>>a[i]>>b[i]; a[i]--,b[i]--; } cin >> k; for(int i=0;i<k;++i){ cin>> c[i]; c[i]--; } solve(); return 0; }
/*@author Vipen Loka*/ #include <bits/stdc++.h> #define endl '\n' #define ff first #define ss second #define ll long long #define vi vector<int> #define vll vector<ll> #define vvi vector < vi > #define pii pair<int,int> #define pll pair<long long, long long> #define mod 1000000007 #define inf 1000000000000000001; #define deb(x) cout << #x << ':' << x << '\n'; #define int long long using namespace std; template<class T>void show(vector<T> &a) {cerr << "[ "; for (int ij = 0; ij < (int)a.size(); ij++) {cerr << a[ij] << " ";} cerr << "]\n";} template<class T>void show(T a) {cerr << a << endl;} int n, k; int nc2(int n) { if (n <= 0) { return 0; } return (n * (n - 1)) / 2; } int f(int s) { int res = nc2(s - 1); res -= nc2(s - 1 - n) * 3; res += nc2(s - 1 - n * 2) * 3; res -= nc2(s - 1 - n * 3) * 3; return res; } int f2(int s) { int l = max(1LL, s - n); int r = min (n, s - 1); if (l > r)return 0; return r - l + 1; } void solve() { int i, j; cin >> n >> k; int ksum, pref = 0; for (int sum = 3; sum <= 3 * n; sum++) { int now = f(sum); if (k <= now) { ksum = sum; break; } else { k -= now; } } pref = 0; int beauty, taste, popularity; for (beauty = 1; beauty <= n; beauty++) { int now = f2(ksum - beauty); if (k <= now) { break; } else { k -= now; } } for (taste = 1; taste <= n; taste++) { popularity = ksum - beauty - taste; if (popularity <= 0 || popularity > n)continue; if (k == 1) { break; } k--; } popularity = ksum - beauty - taste; cout << beauty << ' ' << taste << ' ' << popularity << endl; } int32_t main(int32_t argc, char *argv[]) { ios_base::sync_with_stdio(false); cin.tie(0); int T = 1; // cin >> T; while (T--) { solve(); } cerr << "time taken : " << (float)clock() / CLOCKS_PER_SEC << " secs" << endl; }
#include<iostream> #include<string> #include<cstdio> #include<vector> #include<cmath> #include<algorithm> #include<functional> #include<iomanip> #include<queue> #include<ciso646> #include<random> #include<map> #include<set> #include<bitset> #include<stack> #include<unordered_map> #include<unordered_set> #include<utility> #include<cassert> #include<complex> #include<numeric> #include<array> using namespace std; //#define int long long typedef long long ll; typedef unsigned long long ul; typedef unsigned int ui; constexpr ll mod = 10007; const ll INF = mod * mod; typedef pair<int, int>P; #define stop char nyaa;cin>>nyaa; #define rep(i,n) for(int i=0;i<n;i++) #define per(i,n) for(int i=n-1;i>=0;i--) #define Rep(i,sta,n) for(int i=sta;i<n;i++) #define rep1(i,n) for(int i=1;i<=n;i++) #define per1(i,n) for(int i=n;i>=1;i--) #define Rep1(i,sta,n) for(int i=sta;i<=n;i++) #define all(v) (v).begin(),(v).end() typedef pair<ll, ll> LP; typedef long double ld; typedef pair<ld, ld> LDP; const ld eps = 1e-12; const ld pi = acosl(-1.0); ll mod_pow(ll x, ll n, ll m = mod) { if (n < 0) { ll res = mod_pow(x, -n, m); return mod_pow(res, m - 2, m); } if (abs(x) >= m)x %= m; if (x < 0)x += m; ll res = 1; while (n) { if (n & 1)res = res * x % m; x = x * x % m; n >>= 1; } return res; } struct modint { ll n; modint() :n(0) { ; } modint(ll m) :n(m) { if (n >= mod)n %= mod; else if (n < 0)n = (n % mod + mod) % mod; } operator int() { return n; } }; bool operator==(modint a, modint b) { return a.n == b.n; } modint operator+=(modint& a, modint b) { a.n += b.n; if (a.n >= mod)a.n -= mod; return a; } modint operator-=(modint& a, modint b) { a.n -= b.n; if (a.n < 0)a.n += mod; return a; } modint operator*=(modint& a, modint b) { a.n = ((ll)a.n * b.n) % mod; return a; } modint operator+(modint a, modint b) { return a += b; } modint operator-(modint a, modint b) { return a -= b; } modint operator*(modint a, modint b) { return a *= b; } modint operator^(modint a, ll n) { if (n == 0)return modint(1); modint res = (a * a) ^ (n / 2); if (n % 2)res = res * a; return res; } ll inv(ll a, ll p) { return (a == 1 ? 1 : (1 - p * inv(p % a, a)) / a + p); } modint operator/(modint a, modint b) { return a * modint(inv(b, mod)); } modint operator/=(modint& a, modint b) { a = a / b; return a; } const int max_n = 1 << 1; modint fact[max_n], factinv[max_n]; void init_f() { fact[0] = modint(1); for (int i = 0; i < max_n - 1; i++) { fact[i + 1] = fact[i] * modint(i + 1); } factinv[max_n - 1] = modint(1) / fact[max_n - 1]; for (int i = max_n - 2; i >= 0; i--) { factinv[i] = factinv[i + 1] * modint(i + 1); } } modint comb(int a, int b) { if (a < 0 || b < 0 || a < b)return 0; return fact[a] * factinv[b] * factinv[a - b]; } modint combP(int a, int b) { if (a < 0 || b < 0 || a < b)return 0; return fact[a] * factinv[a - b]; } const int sup = 1000000; ll dp[3 * sup + 5][4]; void solve() { int n; ll k; cin >> n >> k; dp[0][0] = 1; rep(t, 3) { rep(i, t * n + 1) { dp[i + 1][t + 1] += dp[i][t]; dp[i + n + 1][t + 1] -= dp[i][t]; } rep(i, (t + 1)* n + 1) { dp[i + 1][t + 1] += dp[i][t+1]; } } k--; ll s = 0; for (int i = 3; i <= 3 * n; i++) { if (k < dp[i][3]) { s = i; break; } else { k -= dp[i][3]; } } ll ans[3] = {}; //cout << dp[4][2] << "\n"; rep1(c, n) { ll r = s - c; if (k < dp[r][2]) { ans[0] = c; break; } else { k -= dp[r][2]; } } s -= ans[0]; rep1(c, n) { ll r = s - c; if (k < dp[r][1]) { ans[1] = c; break; } else { k -= dp[r][1]; } } s -= ans[1]; ans[2] = s; rep(i, 3) { if (i > 0)cout << " "; cout << ans[i]; } cout << "\n"; } signed main() { ios::sync_with_stdio(false); cin.tie(0); //cout << fixed << setprecision(10); //init_f(); //init(); //expr(); //int t; cin >> t;rep(i,t) //while(cin>>n,n) //solve(); solve(); return 0; }
#include <bits/stdc++.h> // clang-format off using namespace std; using ll = long long; using ull = unsigned long long; using pll = pair<ll,ll>; const ll INF = 4e18; void print0() {} template<typename Head,typename... Tail> void print0(Head head,Tail... tail){cout<<fixed<<setprecision(15)<<head;print0(tail...);} void print() { print0("\n"); } template<typename Head,typename... Tail>void print(Head head,Tail... tail){print0(head);if(sizeof...(Tail)>0)print0(" ");print(tail...);} // clang-format on ll all; ll memo[65537][9][17]; ll h, w, a, b; ll bit(ll i, ll j) { return 1ULL << (i * w + j); } bool empty(ll stat, ll i, ll j){ if (i >= h) return false; if (j >= w) return false; if(stat & bit(i,j)) return false; return true; } ll dfs(ll stat, ll full, ll half, ll bi, ll bj) { if (full < 0 || half < 0) return 0; if (stat + 1 == all) return 1; if (memo[stat][full][half] != -INF) return memo[stat][full][half]; // 常に一番左上に置く ll ti = -1; ll tj = -1; for (ll j = bj; j < w; j++) { if(empty(stat,bi,j)){ ti=bi; tj=j; break; } } for (ll i = bi+1; i < h; i++) { if (ti >= 0) break; for (ll j = 0; j < w; j++) { if (empty(stat,i,j)) { ti = i; tj = j; break; } } } return memo[stat][full][half] = dfs(stat | bit(ti,tj), full, half - 1, ti, tj) + (empty(stat,ti+1,tj) ? dfs(stat | bit(ti+1,tj) | bit(ti,tj), full - 1, half, ti, tj) : 0) + (empty(stat,ti,tj+1) ? dfs(stat | bit(ti,tj+1) | bit(ti,tj), full - 1, half, ti, tj) : 0); } int main() { cin >> h >> w >> a >> b; all = 1ll << (h * w); for(ll s=0; s<all; s++){ for(ll i=0; i<=a; i++){ for(ll j=0; j<=b; j++){ memo[s][i][j] = -INF; } } } print(dfs(0, a, b, 0, 0)); }
#include "bits/stdc++.h" #define int long long using namespace std; using ll = long long; using P = pair<ll, ll>; const ll INF = (1LL << 61); ll mod = 998244353; int ans = 0; int next_combination(int sub) { if (sub == 0)return 1001001001; int x = sub & -sub, y = sub + x; return (((sub & ~y) / x) >> 1) | y; } int H, W; int A, B; int tmp[17]; map<int, bool>mp; int cnt2 = 0; void dfs(int nowA, vector<vector<int>>&now) { cnt2++; int nowbit = 0; for (int i = 0; i < H; i++) { for (int j = 0; j < W; j++) { nowbit += tmp[i * W + j]*now[i][j]; } } int cnt = 0; for (int i = 0; i < H; i++) { for (int j = 0; j < W; j++) { if (i + 1 < H && now[i][j] == 0 && now[i + 1][j] == 0)cnt++; if (j + 1 < W && now[i][j] == 0 && now[i][j + 1] == 0)cnt++; } } if (mp[nowbit] || cnt < nowA)return; mp[nowbit] = true; if (nowA <= 0) { ans++; return; } for (int i = 0; i < H; i++) { for (int j = 0; j < W; j++) { if (i + 1 < H && now[i][j] == 0 && now[i + 1][j] == 0) { now[i][j] = 2; now[i + 1][j] = 2; nowA--; dfs(nowA, now); nowA++; now[i][j] = 0; now[i + 1][j] = 0; } if (j + 1 < W && now[i][j] == 0 && now[i][j + 1] == 0) { now[i][j] = 3; now[i][j + 1] = 3; nowA--; dfs(nowA, now); nowA++; now[i][j] = 0; now[i][j + 1] = 0; } } } return; } signed main() { ios::sync_with_stdio(false); cin.tie(0); cin >> H >> W; cin >> A >> B; int s = 1; for (int i = 0; i < 17; i++) { tmp[i] = s; s *= 4; } int bit = (1 << B) - 1; for (; bit < (1 << (H*W)); bit = next_combination(bit)) { mp.clear(); vector<vector<int>>now(H, vector<int>(W, 0)); for (int i = 0; i < H * W; i++) { if (bit & (1 << i)) { now[i / W][i % W] = 1; } } dfs(A, now); //cout << "NOW" << endl; } //cout << cnt2 << endl; cout << ans << endl; return 0; }
//dhruv #include<bits/stdc++.h> using namespace std; #define int long long #define ll long long #define ffor(i,n) for(int i = 0;i < (n); ++i) #define fro(i,j,n) for(int i = (j);i < (n); ++i) #define all(v) v.begin(),v.end() #define vi vector<int> #define vvi vector<vi> #define pii pair<int,int> #define vpii vector<pii> #define ff first #define ss second const int mod = 1e9 + 7; const int inf = 1e18 + 5; template<typename T> T binpow(T a,T b,T modi){ T res = 1; while(b){ if(b&1){ res = (res*a)%modi; } b /= 2; (a *= a) %= modi; } return res; } template<typename T> T binpow(T a,T b){ T res = 1; while(b){ if(b&1){ res = (res*a); } b /= 2; a *= a; } return res; } template<typename T> T add(T a,T b){ T x = (a + b)%mod; x%= mod; x += mod; return (x%mod); } template<typename T> T sub(T a,T b){ return add(a,mod - b); } template<typename T> T mul(T a,T b){ return (a*b)%mod; } template<typename T> T inv(T a){ return binpow(a,mod - 2,mod); } int make_int(string s){ int x = 0; reverse(s.begin(),s.end()); string tmp = s; for(int i = 0;i < s.length(); ++i){ x *= 10; x += (int)(tmp.back() - '0'); tmp.pop_back(); } return x; } string make_string(int s){ string x; while(s){ x.push_back(char(s%10 + '0')); s /= 10; } reverse(x.begin(),x.end()); return x; } random_device rd; mt19937 g(rd()); int dx[] = {0,-1,0,1}; int dy[] = {1,0,-1,0}; const int N = 100; vi fact; void factorial(){ fact.resize(N); fact[0] = 1,fact[1] = 1; fro(i,2,N){ fact[i] = (fact[i - 1]*i)%mod; } } int nCr(int n,int r){ return (mul(fact[n],inv(mul(fact[r],fact[n - r])))); } int nPr(int n,int r){ return(mul(nCr(n,r),fact[r])); } // Linear Seive int lp[N + 1]; vector<int> pr; void ls(){ for(int i = 2;i <= N; ++i){ // means prime if(lp[i] == 0){ lp[i] = i; pr.push_back(i); } for(int j = 0;j < pr.size() && pr[j] <= lp[i] && i*pr[j] <= N; j++){ lp[i*pr[j]] = pr[j]; } } } // getting the prime factorisation vector<int> getfc(int n){ vi factors; while(n != 1){ int x = lp[n]; factors.push_back(x); while(n%x == 0){ n /= x; } } return factors; } int gcd(int a,int b){ while(b){ a %= b; swap(a,b); } return a; } signed main(){ ios_base::sync_with_stdio(false); cin.tie(0); // shuffle(all(a),g); char a,b; cin >> a >> b; if(a == 'Y'){ cout << char(b - 'a' + 'A'); }else{ cout << b; } return 0; }
#include<bits/stdc++.h> #define rep(i,N) for(ll (i)=0;(i)<(N);(i)++) #define chmax(x,y) x=max(x,y) #define chmin(x,y) x=min(x,y) using namespace std; typedef long long ll; typedef pair<int,int> P; const int mod = 1000000007; const int INF = 1001001001; int main() { string s, t; cin >> s >> t; if (s == "Y") { rep(i, t.size()) { t[i] = t[i] - 'a' + 'A'; } } cout << t << endl; }
#line 1 "main_b.cpp" #include <algorithm> #include <array> #include <bitset> #include <cassert> #include <cctype> #include <chrono> #include <cmath> #include <complex> #include <cstdint> #include <cstdlib> #include <deque> #include <functional> #include <iomanip> #include <iostream> #include <limits> #include <list> #include <map> #include <memory> #include <numeric> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <type_traits> #include <unordered_map> #include <utility> #include <vector> /* template start */ using i64 = std::int_fast64_t; using u64 = std::uint_fast64_t; #define rep(i, a, b) for (i64 i = (a); (i) < (b); (i)++) #define all(i) i.begin(), i.end() #ifdef LOCAL #define debug(...) \ std::cerr << "LINE: " << __LINE__ << " [" << #__VA_ARGS__ << "]:", \ debug_out(__VA_ARGS__) #else #define debug(...) #endif void debug_out() { std::cerr << std::endl; } template <typename Head, typename... Tail> void debug_out(Head h, Tail... t) { std::cerr << " " << h; if (sizeof...(t) > 0) std::cout << " :"; debug_out(t...); } template <typename T1, typename T2> std::ostream& operator<<(std::ostream& os, std::pair<T1, T2> pa) { return os << pa.first << " " << pa.second; } template <typename T> std::ostream& operator<<(std::ostream& os, std::vector<T> vec) { for (std::size_t i = 0; i < vec.size(); i++) os << vec[i] << (i + 1 == vec.size() ? "" : " "); return os; } 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); } template <typename Num> constexpr Num mypow(Num a, u64 b, Num id = 1) { if (b == 0) return id; Num x = id; while (b > 0) { if (b & 1) x *= a; a *= a; b >>= 1; } return x; } template <typename T> std::vector<std::pair<std::size_t, T>> enumerate(const std::vector<T>& data) { std::vector<std::pair<std::size_t, T>> ret; for (std::size_t index = 0; index < data.size(); index++) ret.emplace_back(index, data[index]); return ret; } /* template end */ int main() { std::cin.tie(nullptr); std::ios::sync_with_stdio(false); i64 n; std::cin >> n; std::string s, t; std::cin >> s >> t; if (s == t) { std::cout << 0 << "\n"; return 0; } std::vector<i64> sbit, tbit; rep(i, 0, n) { if (s[i] == '1') sbit.emplace_back(i); if (t[i] == '1') tbit.emplace_back(i); } i64 snum = sbit.size(); i64 tnum = tbit.size(); if (snum < tnum) { std::cout << -1 << "\n"; return 0; } if ((snum - tnum) % 2 != 0) { std::cout << -1 << "\n"; return 0; } i64 offset = snum - tnum; rep(i, 0, tnum) { if (tbit[i] > sbit[i + offset]) { std::cout << -1 << "\n"; return 0; } } i64 ans = 0; i64 now = 0; rep(i, 0, tnum) { while (sbit[now] < tbit[i]) { ans += sbit[now + 1] - sbit[now]; now += 2; } ans += sbit[now] - tbit[i]; now++; } while (now < snum) { ans += sbit[now + 1] - sbit[now]; now += 2; } std::cout<<ans<<"\n"; return 0; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rrep(i, n) for (int i = (int)(n - 1); i >= 0; i--) #define all(x) (x).begin(), (x).end() #define sz(x) int(x.size()) using namespace std; using ll = long long; const int INF = 1e9; const ll LINF = 1e18; template <class T> void get_unique(vector<T>& x) { x.erase(unique(x.begin(), x.end()), x.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; } template <class T> vector<T> make_vec(size_t a) { return vector<T>(a); } template <class T, class... Ts> auto make_vec(size_t a, Ts... ts) { return vector<decltype(make_vec<T>(ts...))>(a, make_vec<T>(ts...)); } template <typename T> istream& operator>>(istream& is, vector<T>& v) { for (int i = 0; i < int(v.size()); i++) { is >> v[i]; } return is; } template <typename T> ostream& operator<<(ostream& os, const vector<T>& v) { for (int i = 0; i < int(v.size()); i++) { os << v[i]; if (i < sz(v) - 1) os << ' '; } return os; } int main() { int n; cin >> n; queue<int> s, t; rep(i, n) { char c; cin >> c; if (c == '1') s.push(i); } rep(i, n) { char c; cin >> c; if (c == '1') t.push(i); } ll ans = 0; while (sz(s)) { if (!sz(t)) { if (sz(s) & 1) { ans = -1; } else { while (sz(s)) { int x = s.front(); s.pop(); int y = s.front(); s.pop(); ans += ll(y - x); } } break; } if (s.front() == t.front()) { s.pop(); t.pop(); } else if (s.front() < t.front()) { if (sz(s) < 2) { ans = -1; break; } int x = s.front(); s.pop(); int y = s.front(); s.pop(); ans += ll(y - x); } else { int x = s.front(); s.pop(); int y = t.front(); t.pop(); ans += ll(x - y); } } if (sz(t)) ans = -1; cout << ans << '\n'; }
// Copyright 2020 Tsutomu ISHIKAWA // Author: Tsutomu ISHIKAWA #include <bits/stdc++.h> using namespace std; int l; int res; long long a[1010]; long long calcNumOfCombination(int n, int r){ long num = 1; for(int i = 1; i <= r; i++){ num = num * (n - i + 1) / i; } return num; } int main() { cin >> l; cout << calcNumOfCombination(l-1, 11) << endl; return 0; }
/* 2021-03-29 14:18:10.721371 Category: combi Rating: ? */ /* #pragma GCC optimize("Ofast") #pragma GCC optimize ("unroll-loops") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") */ #include<bits/stdc++.h> using namespace std; // // #define fio ios_base::sync_with_stdio(false);cin.tie(NULL); #define int long long #define ll long long #define ld long double #define gap ' ' #define endl '\n' /* void solve() { int n; cin>>n; n--; // we have n-1 positions to split, choose 11 int up=1,down=1; for(int i=1;i<=11;i++) { up*=n--; down*=i; int g=__gcd(up,down); up/=g; down/=g; } cout<<up/down<<endl; } let try dp approach.... */ int dp[201][12]; void solve() { int n; cin>>n; for(int i=1;i<=n;i++) { for(int j=0;j<=11;j++) { if(j==0) dp[i][j]=1; else dp[i][j]=dp[i-1][j-1] + dp[i-1][j]; } } cout<<dp[n][11]<<endl; } void solve(bool testcase) { int t;cin>>t;while(t--)solve(); } int32_t main() { fio solve(); return 0; }
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); int n, res = INT_MAX; cin >> n; vector<vector<int>> p(n, vector<int>(3)); for (auto& i : p) { for (auto& j : i) { cin >> j; } } auto calc = [&](int x, int y) { return abs(p[x][0] - p[y][0]) + abs(p[x][1] - p[y][1]) + max(0, p[y][2] - p[x][2]); }; vector<vector<int>> dp(1 << n, vector<int>(n, 1e9)); dp[1][0] = 0; for (int s = 0; s < (1 << n); s++) { for (int j = 0; j < n; j++) { // 枚举 当前经过的最后那个点 if (!(s & (1 << j))) continue; for (int k = 0; k < n; k++) { // 枚举 将要前往的点 if (s & (1 << k)) continue; dp[s | (1 << k)][k] = min(dp[s | (1 << k)][k], dp[s][j] + calc(j, k)); } } } for (int i = 0; i < n; i++) { res = min(res, dp[(1 << n) - 1][i] + calc(i, 0)); } cout << res; return 0; }
#include<iostream> #include<string> #include<vector> #include<deque> #include<algorithm> #include<stack> #include<iomanip> #include<queue> #include<map> #include<math.h> #include<climits> #include<limits.h> using namespace std; const int N = 17, M = 272144; int x[N], y[N], z[N]; int dp[M][N]; int dis(int f, int s) { return abs(x[f] - x[s]) + abs(y[f] - y[s]) + max(0, z[s] - z[f]); } int solve(int lst, vector <bool> v, bool is_back = false) { if (is_back) { if (lst == 0) return 0; } int h = 0; for (int i = 0; i < (int)v.size(); i++) { h *= 2; h += (int)v[i]; } h *= 2; h += (int)is_back; if (dp[h][lst] != -1) return dp[h][lst]; bool f = true; for (int i = 0; i < (int)v.size(); i++) if (!v[i]) f = false; if (lst == 0 && f) { return 0; } if (f) { for (int i = 0; i < (int)v.size(); i++) { v[i] = false; } v[lst] = true; return solve(lst, v, true); } int ans = INT_MAX; for (int i = 0; i < (int)v.size(); i++) { if (v[i]) continue; v[i] = true; int t = solve(i, v, is_back) + dis(lst, i); ans = min(ans, t); v[i] = false; } return dp[h][lst] = ans; } int main(){ int n; cin >> n; for (int i = 0; i < n; i++) { cin >> x[i] >> y[i] >> z[i]; } for (int i = 0; i < M; i++) for (int j = 0; j < N; j++) dp[i][j] = -1; vector <bool> v; for (int i = 0; i < n; i++) v.push_back(false); v[0] = true; cout << solve(0, v)<<'\n'; }
#include <bits/stdc++.h> typedef long long ll ; using namespace std; int main() { int n; cin >> n; vector<int> a(n),b(n),c(n), hash(n,0); for (int i = 0; i < n ; i++) cin >> a[i]; for (int i = 0; i < n; i++) cin >> b[i]; for (int i = 0; i < n; i++) cin >> c[i]; for (int i = 0; i < n ; i++) hash[a[i]-1]++; ll ans = 0; for (int i = 0; i < n; i++) ans += hash[b[c[i]-1]-1]; cout << ans; return 0; }
// Whatever doesn't kill you simply makes you stronger. // Every single thing is destined, everything is written. #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; #define ll long long #define hii cout << "hii" << endl #define int long long #define endl '\n' #define uid(a, b) uniform_int_distribution<int>(a, b)(rng) #define all(s) s.begin(), s.end() template <class T> ostream& operator << (ostream &os, const vector<T> &v) { for (T i : v) os << i << ' '; return os; } template <class T> ostream& operator << (ostream &os, const set<T> &v) { for (T i : v) os << i << ' '; return os; } template <class T, class S> ostream& operator << (ostream &os, const pair<T, S> &v) { os << v.first << ' ' << v.second; return os; } template <class T, class S> ostream& operator << (ostream &os, const unordered_map<T, S> &v) { for (auto i : v) os << '(' << i.first << "=>" << i.second << ')' << ' '; return os; } #ifndef ONLINE_JUDGE #define trace(...) __f(#__VA_ARGS__, __VA_ARGS__) template <class Arg1> void __f(const char* name, Arg1&& arg1) { cerr << name << " : " << arg1 << endl; } template <class Arg1, class... Args> void __f(const char* names, Arg1&& arg1, Args&&... args) { const char* sep = strchr(names + 1, ','); cerr.write(names, sep - names) << " : " << arg1 << " "; __f(sep + 1, args...); } #else #define trace(...) 0 #pragma GCC optimize ("O3") #pragma GCC optimize ("unroll-loops") #pragma GCC target("avx2,sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #define _CRT_SECURE_NO_WARNINGS #endif // ifndef ONLINE_JUDGE const int N = 5e5 + 5; const int MAXN = 1e7 + 5; const int M = 1000 + 5; const int mod = 1e9 + 7; const int MOD = 998244353; const int INF = 1e17 + 8; const int INFF = 1e18 + 8; const int LG = 21; int arr[N]; int cnt[N]; void solve() { int n; cin >> n; for(int i = 0; i < n; i++) { cin >> arr[i]; cnt[arr[i]]++; } int mx = 0; int no = -1; for(int i = 2; i < N; i++) { int check = 0; for(int j = i; j < N; j += i) { check += cnt[j]; } if(check > mx) { mx = check; no = i; } } cout << no << endl; } int32_t main() { ios_base:: sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output1.txt", "w", stdout); #endif int t = 1; // cin >> t; while(t--) { solve(); } return 0; }
#include <bits/stdc++.h> #define fo(a,b,c) for (a=b; a<=c; a++) #define fd(a,b,c) for (a=b; a>=c; a--) #define add(a,b) a=((a)+(b))%mod #define mod 998244353 #define Mod 998244351 #define ll long long //#define file using namespace std; int n,i,j,k,l,sum; int a[101]; int f[101][10001]; ll jc[101]; ll ans; ll qpower(ll a,int b) {ll ans=1; while (b) {if (b&1) ans=ans*a%mod;a=a*a%mod;b>>=1;} return ans;} int main() { #ifdef file freopen("b.in","r",stdin); #endif scanf("%d",&n); fo(i,1,n) scanf("%d",&a[i]),sum+=a[i]; if (sum&1) {printf("0\n");return 0;} f[0][0]=1; fo(i,1,n) { fd(j,i-1,0) { fo(k,0,10000) if (f[j][k]) add(f[j+1][k+a[i]],f[j][k]); } } sum/=2; jc[0]=1; fo(i,1,n) jc[i]=jc[i-1]*i%mod; fo(i,1,n) add(ans,jc[i]*jc[n-i]%mod*f[i][sum]); printf("%lld\n",(ans+mod)%mod); fclose(stdin); fclose(stdout); return 0; }
#include <bits/stdc++.h> using namespace std; int main(){ int n; cin >> n; int64_t A[n]; for(int i=0; i<n; i++) cin >> A[i]; if(n==1){ cout << A[0] << endl; return 0; }else if(n==2){ cout << (A[0]^A[1]) << endl; } int64_t ans = 1 << 30; for(int64_t i=1; i<(1<<(n-1)); i++){ int j=0; int64_t or_result = A[0], tmp=0; while(j<n-1){ if(i>>j&1){ tmp = tmp ^ or_result; or_result = A[j+1]; }else{ or_result = or_result | A[j+1]; } j++; } tmp = tmp ^ or_result; if(ans>tmp){ ans = tmp; } if(ans==0){ cout << 0 << endl; return 0; } } cout << ans << endl; return 0; }
// // Created by Anton Gorokhov // #ifdef lolipop #define _GLIBCXX_DEBUG #endif #include <iostream> #include <cstddef> #include <vector> #include <cstring> #include <string> #include <algorithm> #include <set> #include <map> #include <ctime> #include <unordered_map> #include <random> #include <iomanip> #include <cmath> #include <queue> #include <unordered_set> #include <cassert> #include <bitset> #include <deque> #include <utility> #define int long long #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define ld double using namespace std; mt19937 rnd(time(nullptr)); inline void fastio() { ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); } void solve() { int n; cin >> n; int L = -1, R = n; while (L + 1 < R) { int M = (L + R) / 2; if ((M * (M + 1)) / 2 >= n) { R = M; } else { L = M; } } cout << R << '\n'; } signed main() { #ifdef lolipop freopen("input.txt", "r", stdin); #else fastio(); #endif int T = 1; // cin >> T; while (T--) { solve(); } return 0; }
#include <stdio.h> int N, Sum; int main() { int i; scanf("%d", &N); for (i = 1; Sum < N; Sum += i, i++); printf("%d", i - 1); return 0; }
#include<bits/stdc++.h> #define AynVul int main() #define ll long long #define task "A" #define rep(i, l, r) for (int i = (l); i <= (r); ++i) #define Rep(i, r, l) for (int i = (r); i >= (l); --i) #define F first #define S second #define all(x) x.begin(), x.end() #define sz(x) (int)(x.size()) #define eb emplace_back #define debug(a) cout << a << ' ' #define Debug(a, b) cout << a << ' ' << b << '\n' using namespace std; typedef pair<int,int> ii; typedef vector<int> vi; typedef vector<ii> vii; const int Sz = 2e3+3; const ll MOD = 1e9+7; const int oo = 1e9; vi g[Sz]; vector<bool> vis(Sz); int cnt[Sz]; int dfs(int u) { int ans = 1; vis[u] = 1; for(int v: g[u]) if(!vis[v]) ans += dfs(v); return ans; } AynVul { //freopen(task".inp", "r", stdin); //freopen(task".out", "w", stdout); ios_base::sync_with_stdio(0); cin.tie(0); //~This too, shall pass~ //Fighting int n, m; cin >> n >> m; rep(i, 1, m) { int u, v; cin >> u >> v; g[u].eb(v); } rep(i, 1, n) vis[i] = 0; int ans = 0; rep(i, 1, n) { vis.assign(n, 0); ans += dfs(i); } cout << ans; return 0; }
#include<bits/stdc++.h> using namespace std; #define ll long long #define fast_io ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); #define endl "\n" #define all(v) v.begin(),v.end() const int mod = 1e9 + 7; ll dp[(1 << 18)][18]; int main (){ fast_io; ll n, m; cin >> n >> m; vector<vector<int> > constraints; for (int i = 0; i < m; i++) { int x, y, z; cin >> x >> y >> z; x--, y--; constraints.push_back({x, y, z}); } dp[0][0] = 1; for (int i = 0; i < (1 << n); i++) { int pref[n]; memset(pref, 0, sizeof(pref)); for (int j = 0; j < n; j++) { if (i & (1 << j)) pref[j]++; } for (int j = 1; j < n; j++) pref[j] += pref[j - 1]; for (int j = 0; j < n; j++) { if (dp[i][j] == 0) continue; for (int k = 0; k < n; k++) { if ((i & (1 << k))) continue; bool flag = false; int len = __builtin_popcount(i); for (auto& constraint: constraints) { if (len != constraint[0]) continue; if ((k <= constraint[1] && constraint[2] == pref[constraint[1]]) || (constraint[2] < pref[constraint[1]])) { flag = true; break; } } if (flag == true) continue; dp[i | (1 << k)][k] += dp[i][j]; } } } ll ans = 0; for (int i = 0; i < n; i++) { ans += dp[(1 << n) - 1][i]; } cout << ans << endl; }
#include <iostream> #include <string> #include <vector> #include <cmath> #include <iomanip> #include <algorithm> #include <utility> #include <set> #include <map> #include <unordered_map> #include <queue> #include <stack> #include <complex> #include <regex> #define Debug cout << "line: " << __LINE__ << "Debug" << endl; #define Yes cout << "Yes" << endl; #define YES cout << "YES" << endl; #define No cout << "No" << endl; #define NO cout << "NO" << endl; #define ALL(a) (a).begin(), (a).end() #define MP make_pair #define MOD 1000000007 #define PI 3.14159265358979323846 using namespace std; using ll = long long; using ld = long double; using vi = vector<int>; using vd = vector<double>; using vl = vector<long long>; void set_FPD(int n){ cout << fixed << setprecision(n); return; } ll func(vl a,vl b,vl c){ ll abmin=1e15,acmin=1e15,bcmin=1e15; for(ll &x:a){ auto itr=lower_bound(ALL(b),x); abmin=min({abs(x-*itr),abs(x-*(itr-1)),abmin}); } for(ll &x:a){ auto itr=lower_bound(ALL(c),x); acmin=min({abs(x-*itr),abs(x-*(itr-1)),acmin}); } for(ll &x:b){ auto itr=lower_bound(ALL(c),x); bcmin=min({abs(x-*itr),abs(x-*(itr-1)),bcmin}); } return min(abmin,acmin+bcmin); } ll func(vl a,vl b){ ll abmin=1e15; for(ll &x:a){ auto itr=lower_bound(ALL(b),x); abmin=min({abs(x-*itr),abs(x-*(itr-1)),abmin}); } return abmin; } void Main(){ int n; cin>>n; vl r,g,b; for(int i=0;i<2*n;i++){ ll a; char c; cin>>a>>c; if(c=='R') r.push_back(a); else if(c=='G') g.push_back(a); else b.push_back(a); } ll rsize=r.size(),gsize=g.size(),bsize=b.size(); if(rsize%2==0 && gsize%2==0 && bsize%2==0){ cout<<0<<endl; return; } if(rsize!=0) sort(ALL(r)); if(gsize!=0) sort(ALL(g)); if(bsize!=0) sort(ALL(b)); if(rsize%2==1 && gsize%2==1){ if(bsize==0) cout<<func(r,g); else cout<<func(r,g,b); } else if(gsize%2==1 && bsize%2==1){ if(rsize==0) cout<<func(g,b); else cout<<func(g,b,r); } else if(bsize%2==1 && rsize%2==1) { if(gsize==0) cout<<func(b,r); else cout<<func(b,r,g); } cout<<endl; return; } int main(){ cin.tie(0); ios::sync_with_stdio(false); Main(); return 0; }
#pragma region Macros #include <bits/stdc++.h> // #include <atcoder/all> using std::cin; using std::cout; using std::endl; using std::sort; using std::string; using std::vector; // using namespace atcoder; typedef long long ll; #define int long long #ifdef _DEBUG #define DEBUG(x) cout << #x << ": " << x << endl; #else #define DEBUG(x) #endif #define ALL(obj) (obj).begin(), (obj).end() #define BIT(n) (1LL << (n)) #define REP(i, n) for (int i = 0; i < (n); ++i) #define YesNo(bool) \ if (bool) \ { \ cout << "Yes" << endl; \ } \ else \ { \ cout << "No" << endl; \ } #define PRINTARR(arr) \ for (auto e : arr) \ cout << e << " "; \ cout << endl; constexpr ll MOD = (ll)1e9 + 7; constexpr ll INF = (ll)1e18; constexpr double EPS = 1e-9; const double PI = std::acos(-1); #pragma endregion #pragma region Library #pragma endregion int calc(vector<int> arr1, vector<int> arr2) { if (arr1.size() == 0 || arr2.size() == 0) { return INF; } auto it1 = 0; auto it2 = 0; int ret = std::abs(arr1[0] - arr2[0]); while (!(it1 == (int)arr1.size() - 1 && it2 == (int)arr2.size() - 1)) { ret = std::min(ret, std::abs(arr1[it1] - arr2[it2])); if (it1 == (int)arr1.size() - 1) { it2++; } else if (it2 == (int)arr2.size() - 1) { it1++; } else if (arr1[it1] < arr2[it2]) { it1++; } else { it2++; } } ret = std::min(ret, std::abs(arr1[it1] - arr2[it2])); return ret; } signed main() { std::ios::sync_with_stdio(false); cin.tie(0); int n; cin >> n; vector<int> red, green, blue; REP(i, 2 * n) { int c; string color; cin >> c >> color; if (color == "R") { red.push_back(c); } if (color == "G") { green.push_back(c); } if (color == "B") { blue.push_back(c); } } if (red.size() % 2 == 0 && green.size() % 2 == 0 && blue.size() % 2 == 0) { cout << 0 << endl; } else { vector<int> even, odd1, odd2; if (red.size() % 2 == 0) { even = red; odd1 = green; odd2 = blue; } if (green.size() % 2 == 0) { even = green; odd1 = red; odd2 = blue; } if (blue.size() % 2 == 0) { even = blue; odd1 = green; odd2 = red; } std::sort(ALL(even)); std::sort(ALL(odd1)); std::sort(ALL(odd2)); cout << std::min(calc(odd1, odd2), calc(odd1, even) + calc(even, odd2)) << endl; // cout << calc(odd1, even) << " " << calc(even, odd2) << endl; // PRINTARR(even); return 0; } }
#include <bits/stdc++.h> using i32 = std::int32_t; using i64 = std::int64_t; using u32 = std::uint32_t; using u64 = std::uint64_t; using usize = std::size_t; const i32 INF = 1001001001; const i64 LINF = 1001001001001001; const u32 MOD1 = 1000000007; const u32 MOD2 = 998244353; i64 ntop(i64 x, i64 m) { if(x < 0) x += std::ceil((double)std::abs(x) / m) * m; return x % m; } i64 gcd(i64 a, i64 b) { return (b == 0 ? a : gcd(b, a % b)); } i64 lcm(i64 a, i64 b) { if(a == 0 || b == 0) return -1; return a / gcd(a, b) * b; } i64 ext_gcd(i64 a, i64& x, i64 b, i64& y) { if(b == 0) { x = 1; y = 0; return a; } i64 g = ext_gcd(b, y, a % b, x); y -= a / b * x; return g; } std::vector<std::pair<i64, i64>> prime_factor(i64 n) { std::vector<std::pair<i64, i64>> pf; i64 e = 0; while(n % 2 == 0) { e++; n /= 2; } if(e > 0) pf.emplace_back(std::make_pair(2, e)); for(i64 i = 3; i * i <= n; i += 2) { e = 0; while(n % i == 0) { e++; n /= i; } if(e > 0) pf.emplace_back(std::make_pair(i, e)); } if(n > 1) pf.emplace_back(std::make_pair(n, 1)); return pf; } i64 euler_totient(i64 n) { std::vector<std::pair<i64, i64>> pf = prime_factor(n); i64 res = n; for(const auto& x : pf) { res -= res / x.first; } return res; } i64 linear_congruence_equation(i64 a, i64 c, i64 m) { i64 u, v; i64 g = ext_gcd(a, u, m, v); if(c % g != 0) return -1; i64 res = c / g * u % m; return ntop(res, m); } i64 chinese_remainder_theorem(i64 b, i64 m, i64 c, i64 n) { return m * linear_congruence_equation(m, ntop(c - b, n), n) + b; } using namespace std; int main(){ std::ios::sync_with_stdio(false); std::cin.tie(nullptr); i64 n; cin>>n; i64 ans=1; for(i64 i=2;i<=n;i++){ ans=lcm(ans,i); } cout<<ans+1<<endl; }
#include <bits/stdc++.h> using namespace std; ////////////////////////////////////////////////////////////////////////////<editor-fold desc="macros"> #define endl "\n" #define long long long #define all(v) (v).begin(),(v).end() #define makeset(v) (v).resize(unique((v).begin(),(v).end())-(v).begin()) #define IOS ios::sync_with_stdio(0), cin.tie(0), cout.tie(0); #define filein freopen("input.txt", "r", stdin); #define fileout freopen("output.txt", "w", stdout); #define getline(x) getline(cin,x) #define makelower(s) transform(s.begin(),s.end(),s.begin(),::tolower) bool sortby(pair<int,int> a,pair<int,int> b){ double x=(double )a.first/a.second; double y=(double )b.first/b.second; return x<y;} long Pow(long x, long y) { if(y == 0)return 1; long tmp=Pow(x,y/2); tmp*=tmp; if(y&1)tmp*=x; return tmp; } #define printcase(x) cout<<"Case "<<in++<<": "<<x<<endl #define memset(a,b) memset(a,b,sizeof(a)) #define print1d(ary) cout<<"[";for(auto x:(ary)){cout<<x<<",";}cout<<"]"<<endl; #define print2d(x) for(int m = 0; m <sizeof(x)/sizeof(x[0]) ; ++m){for(int l = 0; l <sizeof(x[0])/sizeof(x[0][0]) ; ++l){cout<<x[m][l]<<" ";}cout<<endl;} #define pi acos(-1) #define esp 1e-9 ////////////////////////////////////////////////////////////////////////////</editor-fold> int main() { ///<editor-fold desc="ios"> IOS #ifdef _AD_ filein //fileout #endif ///</editor-fold> int in=1,o; long t,n,m,q,tmp; cin>>n; if(n&1)cout<<"Black"<<endl; else cout<<"White"<<endl; }
#include <iostream> #include <string> #include <set> #include <algorithm> #include <cmath> #include <vector> #include <list> #include <array> typedef long long ll; using namespace std; const int logn = 17; int main() { ios::sync_with_stdio(false); cin.tie(0); int n; cin >> n; vector<vector<int> > f(n+1, vector<int>(logn, 0)); vector<int> ans(n + 1, 0); for (int i = 1; i <= n; i++) { ans[i] = -1; for (int j = 0; j < logn; j++) { if (!f[i][j]) { ans[i] = j; break; } } for (int j = i; j <= n; j += i) { f[j][ans[i]]++; } } for (int i = 1; i <= n; i++) cout << ans[i] + 1 << " "; cout << "\n"; return 0; }
#include <bits/stdc++.h> //#include <cmath> #define int long long #define IOS std::ios::sync_with_stdio(false); cin.tie(NULL);cout.tie(NULL); #define pb push_back #define mod 1000000007 //#define lld long double #define mii map<int, int> #define mci map<char, int> #define msi map<string, int> #define pii pair<int, int> #define ff first #define ss second #define bs(yup,x) binary_search(yup.begin(),yup.end(),x) //it will return bollean value #define lb(yup,x) lower_bound(yup.begin(),yup.end(),x) //it will return the adress of the number which is equal to or just greater than x ,and if it is equal to yup.end() than their in no such number exist #define ub(yup,x) upper_bound(yup.begin(),yup.end(),x) #define all(x) (x).begin(), (x).end() #define rep(i,x,y) for(int i=x; i<y; i++) #define fill(a,b) memset(a, b, sizeof(a)) #define vi vector<int> #define setbits(x) __builtin_popcountll(x) using namespace std; const long long N=100005, INF=2000000000000000000; const long double EPS= 0.000000000001; int power(int a, int b, int p) { if(a==0) return 0; int res=1; a%=p; while(b>0) { if(b&1) res=(res*a)%p; b>>=1; a=(a*a)%p; } return res; } vi prime; bool isprime[N]; void pre() { for(int i=2;i<N;i++) { if(isprime[i]) { for(int j=i*i;j<N;j+=i) { isprime[j]=false; prime.pb(i); } } } return; } int32_t main() { IOS; //fill(isprime, true); //pre(); int qter=1; //cin>>qter; for(int wert=1;wert<=qter;wert++) { //cout<<"Case #"<<wert<<": "; int n; cin>>n; int ans[n+1]; ans[1]=1; rep(i,2,n+1) ans[i]=2; rep(i,2,n+1) { int val=ans[i]; for(int j=i*2;j<=n;j+=i) { ans[j]=max(ans[j],ans[i]+1); } } rep(i,1,n+1) cout<<ans[i]<<" "; //cout<<ans<<"\n"; } }
#include<bits/stdc++.h> #define rei register int #define ll long long #define PLL pair<ll,ll> #define mk make_pair using namespace std; const int N=1e5+100; ll k,n,m; ll a[N],b[N]; priority_queue<PLL>p; int main(){ scanf("%d%d%d",&k,&n,&m); ll sum=0; for(rei i=1;i<=k;++i){ scanf("%d",&a[i]); b[i]=(m*a[i])/n; sum+=b[i]; ll temp=m*a[i]-n*b[i]; p.push(mk(temp,i)); } while(sum<m){ ++b[p.top().second]; p.pop(); ++sum; } for(rei i=1;i<=k;++i) printf("%d ",b[i]); puts(""); return 0; }
/* @author: Saurav Sihag */ #include<bits/stdc++.h> using namespace std; #define ll long long int #define ull unsigned long long #define ff first #define ss second #define lld long double template <class T> void print(vector<T>& v){ for(T x:v) cout<<x<<" "; cout<<"\n"; } void inp(vector<ll>& v, int n){ for (int i=0; i<n; ++i) scanf("%lld", &v[i]); } // const int nax=1e+5+5; // const int inf=1e+9+5; const ll mod=1e+9+7; // const ll mod=998244353; const ll nax=1e+17+5; // const int dx[4]={0,0,-1,1}; // const int dy[4]={1,-1,0,0}; lld dp[101][101][101]; lld recur(int a, int b, int c){ if (a==100 || b==100 || c==100) return 0; if (dp[a][b][c]!=-1) return dp[a][b][c]; lld res=0, aa=a, bb=b, cc=c, d=(aa+bb+cc); if (a>0){ res+=aa*(recur(a+1, b, c)+1.0); } if (b>0){ res+=bb*(recur(a, b+1, c)+1.0); } if (c>0){ res+=cc*(recur(a, b, c+1)+1.0); } res/=d; // cout<<a<<" "<<b<<" "<<c<<" res="<<res<<endl; return dp[a][b][c]=res; } void sol(){ int a, b, c; cin>>a>>b>>c; // memset(dp, -1, sizeof(dp)); for (int i=0; i<101; ++i) for (int j=0; j<101; ++j) for (int k=0; k<101; ++k) dp[i][j][k]=-1; lld res=recur(a, b, c); cout<<res<<endl; return ; } int main() { int t; t=1; // cin>>t; t++; std::cout << std::setprecision(20); for (int i=1; i<t; ++i){ // printf("Case #%d: ", i); sol(); } return 0; }
#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; #define gc getchar_unlocked #define fo(i,n) for(int i=0;i<n;i++) #define Fo(i,k,n) for(int i=k;k<n?i<n:i>n;k<n?i+=1:i-=1) #define ll long long int #define s(x) cin>>x #define p(x) cout<<x<<"\n" #define goog(x, y) cout<<"Case #"<<x<<": "<<y<<"\n" #define pb push_back #define mp make_pair #define F first #define S second #define all(x) x.begin(), x.end() #define clr(x) memset(x, 0, sizeof(x)) #define sortall(x) sort(all(x)) #define tr(it, a) for(auto it = a.begin(); it != a.end(); it++) #define PI 3.1415926535897932384626 #define INF 100000000000 #define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> typedef pair<int, int> pii; typedef pair<ll, ll> pl; typedef vector<int> vi; typedef vector<ll> vl; typedef vector<pii> vpi; typedef vector<pl> vpl; typedef vector<vi> vvi; typedef vector<vl> vvl; typedef long double ld; mt19937_64 rang(chrono::high_resolution_clock::now().time_since_epoch().count()); int rng(int lim) { uniform_int_distribution<int> uid(0,lim-1); return uid(rang); } int mpow(int base, int exp); void ipgraph(int n, int m); void dfs(int u, int par); int gcd(int a, int b) ; const int mod = 1'000'000'007; const int N = 3e5, M = N; //======================= vi g[N]; int a[N]; void solve() { int n,a,b;cin>>n>>a>>b; p(n-a+b); } int main() { ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); srand(chrono::high_resolution_clock::now().time_since_epoch().count()); int t = 1; //cin >> t; while(t--) { solve(); } return 0; } int mpow(int base, int exp) { base %= mod; int result = 1; while (exp > 0) { if (exp & 1) result = ((ll)result * base) % mod; base = ((ll)base * base) % mod; exp >>= 1; } return result; } void ipgraph(int n, int m){ int i, u, v; while(m--){ cin>>u>>v; //u--, v--; g[u].pb(v); g[v].pb(u); } } void dfs(int u, int par){ for(int v:g[u]){ if (v == par) continue; dfs(v, u); } } int gcd(int a, int b) { if (a == 0) return b; return gcd(b % a, a); }
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #define ll long long #define pb push_back #define ppb pop_back #define endl '\n' #define mii map<ll, ll> #define pii pair<ll, ll> #define vi vector<ll> #define all(a) (a).begin(), (a).end() #define mem0(x) memset(x, 0, sizeof(x)) #define mem1(x) memset(x, -1, sizeof(x)) #define F first #define S second #define sz(x) ((ll)x.size()) #define DECIMAL(n) cout<<fixed<<setprecision(n); #define rep(i, a, b) for (ll i=a; i<b; i++) #define repr(i, a, b) for (ll i=a-1; i>=b; i--) #define bitcount(a) (ll)__builtin_popcount(a) #define lbnd lower_bound #define ubnd upper_bound #define ios ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); #define trace(...) __f(#__VA_ARGS__, __VA_ARGS__) using namespace std; 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(k) returns iterator to kth element starting from 0 // order_of_key(k) returns count of elements strictly smaller than k template <typename Arg1> void __f(const char* name, Arg1&& arg1) { std::cerr<<name<<" : "<<arg1<<endl; } template <typename Arg1, typename... Args> void __f(const char* names, Arg1&& arg1, Args&&... args) { const char* comma = strchr(names+1, ','); std::cerr.write(names, comma-names)<<" : "<<arg1<<" | "; __f(comma+1, args...); } const long double PI=3.14159265358979323846264338; const double eps=1e-10; ll hell=1e9+7; ll inf=((ll)5e18+5); void solve() { ll n; cin>>n; ll arr[n]; cin>>arr[0]; ll ans=arr[0]; rep(i, 1, n) { cin>>arr[i]; ans=__gcd(ans, arr[i]); } cout<<ans<<endl; } signed main() { ios ll test=1; // cin>>test; while (test--) solve(); return 0; }
#include <bits/stdc++.h> using namespace std; #pragma GCC optimize("O0") typedef long long ll; typedef long double ld; const ll mod = 1e9+7; const ll INF = 1e18; #define rep(i,n) for (ll i = 0; i < (n); ++i) #define Rep(i,a,n) for (ll i = (a); i < (n); ++i) #define All(a) (a).begin(),(a).end() #define Pi acos(-1) using V = vector<ll>; using P = pair<ll,ll>; using Graph = vector<V>; int main() { cin.tie(0); ios_base::sync_with_stdio(false); cout << setprecision(15) << fixed; ll s, p; cin >> s >> p; for (ll i = 1; i <= sqrt(p) + 100; ++i) { if (p%i == 0) { ll j = p/i; if (i+j == s) { cout << "Yes\n"; return 0; } } } cout << "No\n"; }
#include <bits/stdc++.h> #define fi first #define se second #define rep(i,s,n) for (int i = (s); i < (n); ++i) #define rrep(i,n,g) for (int i = (n)-1; i >= (g); --i) #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define len(x) (int)(x).size() #define dup(x,y) (((x)+(y)-1)/(y)) #define pb push_back #define eb emplace_back #define Field(T) vector<vector<T>> #define pq(T) priority_queue<T,vector<T>,greater<T>> using namespace std; using ll = long long; using P = pair<int,int>; int main() { int n; cin >> n; vector<vector<ll>> cnt(n+1); cnt[n].eb(0); set<int> st; st.emplace(n); rep(i,0,n) { ll x; int c; cin >> x >> c; --c; cnt[c].eb(x); st.emplace(c); } ll a1 = 0, a2 = 0; ll ps = 0, pt = 0; for (auto e : st) { vector<ll> &v = cnt[e]; sort(all(v)); ll ns = v.front(), nt = v.back(); ll na1 = min(a1 + abs(ps - nt), a2 + abs(pt - nt)) + nt - ns; ll na2 = min(a1 + abs(ps - ns), a2 + abs(pt - ns)) + nt - ns; a1 = na1, a2 = na2; ps = ns, pt = nt; } cout << min(a1, a2) << endl; return 0; }
#include <bits/stdc++.h> #if __has_include(<atcoder/all>) #include <atcoder/all> using namespace atcoder; #endif using namespace std; using ll = long long; struct Edge { ll to; ll cost; }; using Graph = vector<vector<Edge>>; using P = pair<ll, ll>; #define mp make_pair #define REP(i, n) for (int i = 0; i < (n); ++i) #define SORT(v) sort((v).begin(), (v).end()) #define RSORT(v) sort((v).rbegin(), (v).rend()) #define ALL(v) (v).begin(), v.end() const ll MOD = 1000000007; const ll nmax = 8; const ll INF = LLONG_MAX; const int MAX = 510000; bool graph[nmax][nmax]; long long fac[MAX], finv[MAX], inv[MAX]; void COMinit() { fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; for (int i = 2; i < MAX; i++) { fac[i] = fac[i - 1] * i % MOD; inv[i] = MOD - inv[MOD % i] * (MOD / i) % MOD; finv[i] = finv[i - 1] * inv[i] % MOD; } } ll COM(int n, int k) { if (n < k) return 0; if (n < 0 || k < 0) return 0; return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD; } vector<vector<ll>> dist = vector<vector<ll>>(nmax, vector<ll>(nmax, INF)); void warshall_floyd(ll n) { for (size_t i = 0; i < n; i++) { for (size_t j = 0; j < n; j++) { for (size_t k = 0; k < n; k++) { dist[j][k] = min(dist[j][k], dist[j][i] + dist[i][k]); } } } } ll gcd(ll a, ll b) { if (b == 0) return a; return gcd(b, a % b); } ll lcm(ll a, ll b) { ll g = gcd(a, b); return a / g * b; } ll mulMod(ll a, ll b) { return (((a % MOD) * (b % MOD)) % MOD); } ll powMod(ll a, ll p) { if (p == 0) { return 1; } else if (p % 2 == 0) { ll half = powMod(a, p / 2); return mulMod(half, half); } else { return mulMod(powMod(a, p - 1), a); } } ll ceil(ll a, ll b) { return (a + b - 1) / b; } ll A, B; bool isOK(ll key) { ll cnt = 0; for (int i = A; i <= B; i++) { if (i % key == 0) { cnt++; } } if (cnt >= 2) { return true; } else { return false; } } int main() { scanf("%lld", &A); scanf("%lld", &B); ll ans = -1; for (int i = 1; i < 200010; i++) { ll mi = ceil(A, i); ll div = mi * i; ll div2 = (mi +1) * i; if (A <= div && div2 <= B) { ans = i; } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; template <typename T> void read(T &t) { t=0; char ch=getchar(); int f=1; while (ch<'0'||ch>'9') { if (ch=='-') f=-1; ch=getchar(); } do { (t*=10)+=ch-'0'; ch=getchar(); } while ('0'<=ch&&ch<='9'); t*=f; } const int maxn=3010; const int INF=1e9; int n,a[maxn][5]; int dp[maxn][32][5]; bool solve(int mid) { memset(dp,0,sizeof(dp)); dp[0][0][0]=1; for (int id=1;id<=n;id++) { int now=0; for (int i=0;i<=4;i++) if (a[id][i]>=mid) now|=(1<<i); for (int i=0;i<=3;i++) { for (int t=0;t<32;t++) if (dp[id-1][t][i]) { dp[id][t|now][i+1]=dp[id][t][i]=1; } } } return dp[n][31][3]; } int main() { //freopen("1.txt","r",stdin); read(n); for (int i=1;i<=n;i++) for (int j=0;j<=4;j++) read(a[i][j]); int l=0,r=INF+10,res,mid; while (l<=r) { mid=(l+r)>>1; if (solve(mid)) res=mid,l=mid+1; else r=mid-1; } printf("%d\n",res); return 0; } /* REMEMBER: 1. Think TWICE, Code ONCE! Are there any counterexamples to your algo? 2. Be careful about the BOUNDARIES! N=1? P=1? Something about 0? 3. Do not make STUPID MISTAKES! Array size? Integer overflow? Time complexity? Memory usage? Precision error? */
#include <bits/stdc++.h> #define fi first #define se second #define mp make_pair using namespace std; template <typename T1, typename T2> bool mini(T1 &a, T2 b) { if (a > b) {a = b; return true;} return false; } template <typename T1, typename T2> bool maxi(T1 &a, T2 b) { if (a < b) {a = b; return true;} return false; } const int N = 1e5 + 5; const int oo = 1e9; vector <long long> s[100]; vector <int> val; long long l, r, ans; bool used[100]; bool cop[100][100]; void backtrack(int i, vector <long long> &a) { if (i == (int) val.size()) { ans++; return; } backtrack(i + 1, a); for (long long x : s[val[i]]) { bool ok = true; for (long long y : a) if (!cop[x - l][y - l]) { ok = false; break; } if (!ok) continue; a.push_back(x); backtrack(i + 1, a); a.pop_back(); } } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin >> l >> r; for (long long i = l; i <= r; i++) for (long long j = l; j <= r; j++) if (__gcd(i, j) == 1) cop[i - l][j - l] = true; for (int i = 2; i <= 80; i++) for (long long j = l; j <= r; j++) if (!used[j - l] && j % i == 0) { s[i].push_back(j); used[j - l] = true; } for (int i = 2; i <= 80; i++) if (s[i].size()) val.push_back(i); vector <long long> a; backtrack(0, a); for (int i = 0; i <= r - l; i++) if (!used[i]) ans <<= 1; cout << ans; return 0; }
#pragma GCC optimize ("O2") #pragma GCC target ("avx2") //#include<bits/stdc++.h> //#include<atcoder/all> //using namespace atcoder; #include<iostream> #include<cstring> using namespace std; typedef long long ll; #define rep(i, n) for(int i = 0; i < (n); i++) #define rep1(i, n) for(int i = 1; i <= (n); i++) #define co(x) cout << (x) << "\n" #define cosp(x) cout << (x) << " " #define ce(x) cerr << (x) << "\n" #define cesp(x) cerr << (x) << " " #define pb push_back #define mp make_pair #define chmin(x, y) x = min(x, y) #define chmax(x, y) x = max(x, y) #define Would #define you #define please const int CM = 320000; char cn[CM], * ci = cn, ct; const ll ma0 = 1157442765409226768; const ll ma1 = 1085102592571150095; const ll ma2 = 71777214294589695; const ll ma3 = 281470681808895; const ll ma4 = 4294967295; inline int getint() { ll tmp = *(ll*)ci; int dig = 68 - __builtin_ctzll((tmp & ma0) ^ ma0); tmp = tmp << dig & ma1; tmp = tmp * 10 + (tmp >> 8) & ma2; tmp = tmp * 100 + (tmp >> 16) & ma3; tmp = tmp * 10000 + (tmp >> 32) & ma4; ci += 72 - dig >> 3; return tmp; } const int MAX = 10000; class shuturyoku_unko { public: char C[MAX * 5]; constexpr shuturyoku_unko() : C() { rep(i, MAX) { int X = i; rep(j, 4) { C[i * 5 + 3 - j] = '0' + X % 10; X /= 10; } C[i * 5 + 4] = '\n'; } } }; constexpr shuturyoku_unko f; const int dm = 260000; char dn[dm], * di = dn; void putint(ll A) { int dig = 1; if (A >= 100000000) { if (A >= 100000000000) dig = 4; else if (A >= 10000000000) dig = 3; else if (A >= 1000000000) dig = 2; memcpy(di + 4 + dig, f.C + A % 10000 * 5, 5); A /= 10000; memcpy(di + dig, f.C + A % 10000 * 5, 4); memcpy(di, f.C + A / 10000 * 5 + 4 - dig, dig); di += 9 + dig; } else { if (A >= 10000) { if (A >= 10000000) dig = 4; else if (A >= 1000000) dig = 3; else if (A >= 100000) dig = 2; memcpy(di + dig, f.C + A % 10000 * 5, 5); memcpy(di, f.C + A / 10000 * 5 + 4 - dig, dig); di += 5 + dig; } else { if (A >= 1000) dig = 4; else if (A >= 100) dig = 3; else if (A >= 10) dig = 2; memcpy(di, f.C + A * 5 + 4 - dig, dig + 1); di += 1 + dig; } } } int main() { cin.tie(0); ios::sync_with_stdio(false); fread(cn, 1, 320000, stdin); int T = getint(); rep(t, T) { int L = getint(), R = getint(); ll tmp = R - L - L; if (tmp >= 0) putint((tmp + 2) * (tmp + 1) >> 1); else putint(0); } fwrite(dn, 1, di - dn, stdout); Would you please return 0; }
//-- In the name of ALLAH -- // We're nothing and you're everything. // Ya Ali! #include<bits/stdc++.h> using namespace std; #define pai acos(-1) #define ff first #define ss second #define ll long long #define pb push_back #define mp make_pair #define pll pair<ll,ll> #define sz(a) (ll)a.size() #define endl "\n" #define gcd(a, b) __gcd(a, b) #define lcm(a, b) ((a)*((b)/gcd(a,b)) #define all(vec) vec.begin(),vec.end() #define ms(a, b) memset(a,b,sizeof(a)) #define rep(i,n) for(int i= 0; i < int(n); i++) #define rep1(i,n) for(int i= 1; i <= n; i++) #define rev(i,n) for(int i= (int)(n-1);i>=0;i--) #define rev1(i,n) for(int i= (int) n;i>= 1;i--) #define TEST_CASE(t) for(int zz=1;zz<=t;zz++) #define PRINT_CASE printf("Case %d: ",zz) #define fii freopen("input.txt","r",stdin); #define foo freopen("output.txt","w",stdout); #define FAST ios_base::sync_with_stdio(0);cin.tie(NULL);cout.tie(NULL); const ll M = 1e9+7; const ll mxn = 2e5+7; int main() { ll i,j,k,a,b,c,d,n,m,t,x,y,z,u,v; set<ll>st; for(i=0;i<=mxn;i++) { st.insert(i); } ll ans; map<ll,bool>vis; cin>>n; for(i=0;i<n;i++) { cin>>m; auto p = st.begin(); if(*p!=m) { ans=*p; if(!vis[m]&&(st.find(m)!=st.end())) { st.erase(st.find(m)); vis[m]=true; } } else { st.erase(st.begin()); p = st.begin(); ans=*p; } cout<<ans<<endl; } return 0; }
/*------------------------------------ .......Bismillahir Rahmanir Rahim..... ..........created by Abdul Aziz....... ------------------------------------*/ #include <iostream> #include <algorithm> #include <stdio.h> #include <cmath> #include <vector> #include <set> #include <utility> #include <list> #include <stack> #include <map> #include <cstring> #include <unordered_map> #include <queue> #include <functional> #define mod 998244353 #define int long long #define ld long double #define pb push_back #define vi vector<int> #define co(x) cout << x << '\n' #define dbg(x) cerr << #x << " = " << x << '\n' #define bitcount(x) (int)__builtin_popcount(x) #define fast ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0) #define sz(x) (int)x.size() #define all(a) a.begin(),a.end() #define ff first #define ss second #define pi acos(-1.0) #define pii pair<int,int> #define lcm(a,b) (a*b)/__gcd(a,b) using namespace std; inline void solve(){ int n; cin>>n; map <int,int> c; int cur = 0 ; while (n--){ int x; cin >> x; c[x] = 1; while (c.count(cur)) cur++; co(cur); } } signed main() { fast ; int n=1; // cin>>n; while (n--) solve(); return 0; }
#include <iostream> #include <cstdio> #include <vector> #include <cmath> #include <cstring> #include <numeric> #include <algorithm> #include <functional> #include <fstream> #include <array> #include <map> #include <queue> #include <time.h> #include <limits.h> #include <set> #include <stack> #include <random> #include <complex> #include <unordered_map> #include <unordered_set> #define rep(i,s,n) for(int i = (s); (n) > i; i++) #define REP(i,n) rep(i,0,n) #define RANGE(x,a,b) (min(a,b) <= (x) && (x) <= max(a,b)) //hei #define DUPLE(a,b,c,d) (RANGE(a,c,d) || RANGE(b,c,d) || RANGE(c,a,b) || RANGE(d,a,b)) #define INCLU(a,b,c,d) (RANGE(a,c,d) && (b,c,d)) #define PW(x) ((x)*(x)) #define ALL(x) (x).begin(), (x).end() #define RALL(x) (x).rbegin(), (x).rend() #define MODU 1000000007LL #define bitcheck(a,b) ((a >> b) & 1) #define bitset(a,b) ( a |= (1 << b)) #define bitunset(a,b) (a &= ~(1 << b)) #define MP(a,b) make_pair((a),(b)) #define Manh(a,b) (abs((a).first-(b).first) + abs((a).second - ((b).second)) #define pritnf printf #define scnaf scanf #define itn int #define PI 3.141592653589 #define izryt bool using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; template<typename A, size_t N, typename T> void Fill(A(&array)[N], const T & val) { std::fill((T*)array, (T*)(array + N), val); } //[a, b) #define Getsum(ar, a,b) (ar[b] - ar[a]) #define INF 10000000000000000LL #define chmax(a,b) a = max(a,b) #define chmin(a,b) a = min(a,b) struct Edge { int from, to; ll w; bool operator<(const Edge& rhs) const { return MP(w, MP(from, to)) < MP(rhs.w, MP(rhs.from, rhs.to)); } }; typedef vector<vector<Edge>> Graph; typedef unsigned long long ull; void end(){ cout << "No" << endl; exit(0); } #define IKI 1000 int main(){ int n; cin >> n; vector<int> p(n * 2); REP(i,n){ int a,b; cin >> a >> b; a--,b--; if(a != -2){ if(p[a]) end(); p[a] = i+1; } if(b != -2){ if(p[b]) end(); p[b] = -i-1; } if(a != -2 && b != -2){ p[a] += IKI; p[b] -= IKI; } } bool dp[201][201] = {}; rep(len,1,n + 1){ REP(st, n*2){ int en = st + len * 2; if (en > n*2) continue; rep(i, 1, len){ dp[st][en] |= dp[st][st + i*2] & dp[st + i*2][en]; } bool ok = true; REP(i,len){ if(p[st + i] < 0 || p[st + i + len] > 0) ok = false; else if(p[st + i] == 0){ if(abs(p[st + i + len])>IKI) ok = false; } else if(p[st + i] > IKI){ if(p[st + i + len] != -p[st + i]) ok =false; } else { if(p[st + i + len] != 0) ok =false; } } dp[st][en] |= ok; } } cout << (dp[0][n * 2] ? "Yes" : "No") << endl; }
#include <bits/stdc++.h> using namespace std; #include <math.h> #include <iomanip> #include <cstdint> 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=1001001001; const int mod = 1000000007; int main() { int N; cin>>N; vector<int>type(2*N);//iが誰かの 始点=1 終点=-1 なんでもいい=0 になっているか vector<vector<int>>p(2*N,vector<int>(2*N));//A,Bを ペアにしていい={1,0} ダメ=-1 vector<int>xs,ps; for(int i=0;i<N;i++){ int a,b; cin>>a>>b; if(a!=-1){ a--; if(type[a]!=0){cout<<"No"<<endl;return 0;} type[a]=1; xs.push_back(a); } if(b!=-1){ b--; if(type[b]!=0){cout<<"No"<<endl;return 0;} type[b]=-1; xs.push_back(b); } if(a!=-1&&b!=-1){p[a][b]=1;ps.push_back(a);ps.push_back(b);} } for(int a:xs){//xs:-1ではない物なのでそれ同士は(元からペアになっているものを除いて)ペアにならない。 for(int b:xs){ if(p[a][b]!=1){p[a][b]=-1;} } } for(int a:ps){//ps:元からペアになっているものの片方。元からペアのものがある場合は、その相手以外はペアにできないようにする。 for(int i=0;i<2*N;i++){ if(!p[a][i]){p[a][i]=-1;} if(!p[i][a]){p[i][a]=-1;} } } vector<bool>dp(2*N+1,false); dp[0]=true; for(int i=0;i<2*N;i+=2){//区間の左側を0~2N-2まで試す。奇数だと以前の区間にペアにできないマスがあるので偶数。 if(!dp[i]){continue;} for(int j=1;j<=N;j++){//ある区間の中の人数をN人まで試す。これで区間が定まる(2j人分の空きマスが必要なので)。 int id=i+j*2;//len:区間の終わりのid。 if(id>2*N){break;} bool ok=true; for(int l=i;l<i+j;l++){//l:区間の中のA(入ってくる方)のid(始点)。0インデックスなので<。 int r=l+j;//r:区間の中のB(出ていく方)のid(終点) if(type[l]==-1){ok=false;}//始点を当てはめるとき終点がすでに書き込まれている場合は駄目 if(type[r]==1){ok=false;}//終点を当てはめるとき始点がすでに書き込まれている場合は駄目 if(p[l][r]==-1){ok=false;}//ペアにしてはいけない場合。 } if(ok){dp[id]=true;} } } if(dp[2*N]){cout<<"Yes"<<endl;} else{cout<<"No"<<endl;} return 0; }//お試し
#include <bits/stdc++.h> using namespace std; #define endl "\n" #define ll long long #define rep(i,n) for (ll i = 0;i<(n);++i) #define all(v) v.begin(),v.end() template <typename T>bool chmax(T &a, const T& b) {if (a < b) {a = b;return true;}return false;} template <typename T>bool chmin(T &a, const T& b) {if (a > b) {a = b;return true;}return false;} vector<long long> divisor(long long n){vector<long long> res;long long i = 1;while (i*i<=n){if(n%i==0){res.push_back(i);}i++;}if(res.size()==0)return res;for(long long i = res.size()-1-(res.back()*res.back()==n);i>=0;--i){res.push_back(n/res[i]);}return res;} long long safe_mod(long long x,long long m){x%=m;if(x<0){x+=m;}return x;} long long modpow(long long x,long long n,long long mod){long long ans=1;while(n>0){if(n&1){ans*=x;ans%=mod;}n>>=1;x*=x;x%=mod;}return ans;} long long intpow(long long x,long long n){long long ans=1;while(n>0){if(n&1){ans*=x;}n>>=1;x*=x;}return ans;} vector<pair<long long,long long>> factor_lst(long long n){vector<pair<long long,long long>> factor_lst;long long d=2;while(d*d<=n){if(n%d==0){long long num=0;while(n%d==0){num+=1;n/=d;}factor_lst.push_back({d,num});}d+=1;}if(n!=1){factor_lst.push_back({n,1});}return factor_lst;} int msb(int x){return x==0 ? -1:32-__builtin_clz(x);}//1-indexed int lsb(int x){return x==0 ? 32:__builtin_ctz(x)+1;}//1-indexed int popcnt(int x){return __builtin_popcount(x);} const ll LINF=4*1e18; const ll MINF=5*1e15; const int INF=2*1e9; void Main(); int main(){cout<<fixed<<setprecision(15);Main();} void Main(){ int H,W,X,Y; cin>>H>>W>>X>>Y; X--;Y--; vector<string> S(H); rep(i,H)cin>>S[i]; int cnt=-3; for(int i=X;i>=0;--i){ if(S[i][Y]=='#')break; ++cnt; } for(int i=X;i<H;++i){ if(S[i][Y]=='#')break; ++cnt; } for(int j=Y;j>=0;--j){ if(S[X][j]=='#')break; ++cnt; } for(int j=Y;j<W;++j){ if(S[X][j]=='#')break; ++cnt; } cout<<cnt<<endl; }
#include "bits/stdc++.h" using namespace std; #define FAST ios_base::sync_with_stdio(false); cin.tie(0); #define pb push_back #define eb emplace_back #define ins insert #define f first #define s second #define cbr cerr<<"hi\n" #define mmst(x, v) memset((x), v, sizeof ((x))) #define siz(x) ll(x.size()) #define all(x) (x).begin(), (x).end() #define lbd(x,y) (lower_bound(all(x),y)-x.begin()) #define ubd(x,y) (upper_bound(all(x),y)-x.begin()) mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); inline long long rand(long long x, long long y) { return rng() % (y+1-x) + x; } //inclusive string inline to_string(char c) {string s(1,c);return s;} template<typename T> inline T gcd(T a,T b){ return a==0?llabs(b):gcd(b%a,a); } using ll=long long; using ld=long double; #define FOR(i,s,e) for(ll i=s;i<=ll(e);++i) #define DEC(i,s,e) for(ll i=s;i>=ll(e);--i) using pi=pair<ll,ll>; using spi=pair<ll,pi>; using dpi=pair<pi,pi>; long long LLINF = 1e18; int INF = 1e9+1e6; #define MAXN (200006) int h, w; string A[1002], B[1002]; int p[1002], sz[1002]; void init() { FOR(i,0,1001) p[i]=i, sz[i]=1; } int find(int x) { return p[x] == x ? x : p[x] = find(p[x]); } void merge(int a,int b) { a = find(a), b = find(b); if(a==b) return; if(sz[a]>sz[b]) swap(a, b); sz[b]+=sz[a], p[a]=b; } ll solve() { init(); int ans = 0; A[0][0] = A[0].back() = A[h-1][0] = A[h-1].back() = '#'; FOR(j,0,w-1) { ll pre = -1; FOR(i,0,h-1) { if(A[i][j] != '#') continue; if(~pre) merge(pre, i); pre = i; } } FOR(i,0,h-1) if(find(i) == i) ++ ans; -- ans; return ans; } void copy() { FOR(i,0,h-1) A[i]=B[i]; } int main() { FAST cin>>h>>w; FOR(i,0,h-1) cin>>B[i]; copy(); ll ans = solve(); // invert for(auto&i:A) i.clear(); FOR(i,0,w-1) A[i].resize(h); FOR(i,0,h-1) FOR(j,0,w-1) A[j][i]=B[i][j]; swap(h, w); ans = min(ans, solve()); cout<<ans<<'\n'; }
#pragma GCC optimize("Ofast") #define _USE_MATH_DEFINES #include "bits/stdc++.h" using namespace std; using ll = int64_t; using db = double; using ld = long double; using vi = vector<int>; using vl = vector<ll>; using vvi = vector<vector<int>>; using pii = pair<int, int>; using pll = pair<ll, ll>; using vpii = vector<pii>; using vpll = vector<pll>; constexpr char newl = '\n'; constexpr double eps = 1e-10; #define FOR(i,a,b) for (int i = (a); i < (b); i++) #define F0R(i,b) FOR(i,0,b) #define RFO(i,a,b) for (int i = ((b)-1); i >=(a); i--) #define RF0(i,b) RFO(i,0,b) #define show(x) cout << #x << " = " << (x) << '\n'; #define rng(a) a.begin(),a.end() #define rrng(a) a.rbegin(),a.rend() #define sz(x) (int)(x).size() #define YesNo {cout<<"Yes";}else{cout<<"No";} #define YESNO {cout<<"YES";}else{cout<<"NO";} #define v(T) vector<T> #define vv(T) vector<vector<T>> template<typename T1, typename T2> inline void chmin(T1& a, T2 b) { if (a > b) a = b; } template<typename T1, typename T2> inline void chmax(T1& a, T2 b) { if (a < b) a = b; } template<class T> bool lcmp(const pair<T, T>& l, const pair<T, T>& r) { return l.first < r.first; } template<class T> istream& operator>>(istream& i, v(T)& v) { F0R(j, sz(v)) i >> v[j]; return i; } template<class A, class B> istream& operator>>(istream& i, pair<A, B>& p) { return i >> p.first >> p.second; } template<class A, class B, class C> istream& operator>>(istream& i, tuple<A, B, C>& t) { return i >> get<0>(t) >> get<1>(t) >> get<2>(t); } template<class T> ostream& operator<<(ostream& o, const pair<T, T>& v) { o << "(" << v.first << "," << v.second << ")"; return o; } template<class T> ostream& operator<<(ostream& o, const vector<T>& v) { F0R(i, v.size()) { o << v[i] << ' '; } o << newl; return o; } template<class T> ostream& operator<<(ostream& o, const set<T>& v) { for (auto e : v) { o << e << ' '; } o << newl; return o; } template<class T1, class T2> ostream& operator<<(ostream& o, const map<T1, T2>& m) { for (auto& p : m) { o << p.first << ": " << p.second << newl; } o << newl; return o; } #if 1 int red = 1, gre = 2, blu = 4, all = 7; // INSERT ABOVE HERE signed main() { cin.tie(0); ios_base::sync_with_stdio(false); int N, M; cin >> N >> M; vvi es(N); F0R(i, M) { int a, b; cin >> a >> b; a--; b--; es[a].push_back(b); es[b].push_back(a); } ll re = 1; v(bool) vs(N); F0R(i, N) { if (vs[i]) continue; vi as; // 連結になっている頂点リスト auto arrange = [&](auto arrange, int v)->void { vs[v] = true; as.push_back(v); for (auto to : es[v]) { if (!vs[to]) { arrange(arrange, to); } } }; arrange(arrange, i); vi cs(N, 0); auto calc = [&](auto calc, int ai)->ll { if (ai == sz(as)) return 1; int v = as[ai], a = 0; for (auto to : es[v]) { a |= cs[to]; } ll re = 0; F0R(c, 3) { if ((a >> c) & 1) continue; cs[v] = 1 << c; re += calc(calc, ai+1); } cs[v] = 0; return re; }; re *= calc(calc, 0); } cout << re << newl; } #endif
#include<bits/stdc++.h> using namespace std ; const int N = 2e3+5 ; int n ,m ,u ,v ; char ch ; vector<int> adj[128][N] ; bool edge[N][N] ; long long dis[N][N] ; long long bfs(){ long long ret = 1e18 ; memset(dis,'?',sizeof dis); queue<pair<int,int>> q ; q.push({1,n}); dis[1][n] = 0 ; while(q.size()){ int a = q.front().first ; int b = q.front().second ; q.pop() ; if(a==b){ ret = min(ret ,dis[a][b]*2); continue ; } if(edge[a][b]){ ret = min(ret ,dis[a][b]*2+1); continue ; } for(int ch='a';ch<='z';++ch){ if(!adj[ch][a].size() || !adj[ch][b].size()) continue ; for(int i:adj[ch][a]) for(int j:adj[ch][b]){ long long to = dis[a][b]+1 ; if(dis[i][j]<=to) continue ; dis[i][j] = to ; if(i==j){ ret = min(ret,to*2) ; continue ; } if(edge[i][j]){ ret = min(ret,to*2+1) ; continue ; } q.push({i,j}); } } } if(ret>1e9) ret = -1 ; return ret ; } int main(){ scanf("%d%d",&n,&m); while(m--){ scanf("%d%d %c",&u,&v,&ch); edge[u][v] = edge[v][u] = 1 ; adj[ch][u].push_back(v); adj[ch][v].push_back(u); } printf("%lld",bfs()); return 0; }
#include <bits/stdc++.h> #pragma GCC optimize("Ofast") using namespace std; using std::cout; using std::cin; using std::endl; using ll=long long; using ld=long double; ll I=1167167167167167167; ll Q=1e9+7; #define rep(i,a) for (ll i=0;i<a;i++) template<class T> using _pq = priority_queue<T, vector<T>, greater<T>>; template<class T> ll LB(vector<T> &v,T a){return lower_bound(v.begin(),v.end(),a)-v.begin();} template<class T> ll UB(vector<T> &v,T a){return upper_bound(v.begin(),v.end(),a)-v.begin();} template<class T> bool chmin(T &a,const T &b){if(a>b){a=b;return 1;}else return 0;} template<class T> bool chmax(T &a,const T &b){if(a<b){a=b;return 1;}else return 0;} template<class T> void So(vector<T> &v) {sort(v.begin(),v.end());} template<class T> void Sore(vector<T> &v) {sort(v.begin(),v.end(),[](T x,T y){return x>y;});} template<class T> void print_tate(vector<T> &v) {rep(i,v.size()) cout<<v[i]<<"\n";} void yneos(bool a){if(a) cout<<"Yes"<<"\n"; else cout<<"No"<<"\n";} ll Range=2000000; vector<ll> Kai(Range+1,1); vector<ll> Kai_re(Range+1,1); vector<ll> Kai_g(Range+1,1); void Re(int potato){//Re(0)で初期化 for(int i=1;i<=Range;i++){ if(i!=1){ Kai_g[i]=((Q-Q/i)*Kai_g[Q%i])%Q; } Kai_re[i]=(Kai_g[i]*Kai_re[i-1])%Q; } for(int i=1;i<=Range;i++){ Kai[i]=(i*Kai[i-1])%Q; } } ll si(ll x,ll y){ if(y<0) return 0; ll C; C=(Kai_re[y]*Kai_re[x-y])%Q; C=(C*Kai[x])%Q; return C; } //おちこんだりもしたけれど、私はげんきです。 int main() { ios::sync_with_stdio(false); cin.tie(nullptr); ll N,M,K; cin>>N>>M>>K; Re(0); if(N>M+K) cout<<"0"<<endl; else cout<<(Q+si(N+M,N)-si(N+M,N-K-1))%Q<<endl; }
#include <iostream> #include <vector> #include <algorithm> #include <unordered_set> #include <cstdlib> #include <cfloat> #include <cmath> #include <queue> #include <deque> #include <set> #define ll long long #define lp pair<ll, ll> #define max(a,b)((a)>(b)?(a):(b)) #define min(a,b)((a)<(b)?(a):(b)) #define ALL(obj) (obj).begin(), (obj).end() using namespace std; #define DIV 1000000007 //#define LLONG_MAX 9223372036854775807 //#define LLONG_MIN -9223372036854775808 int main(){ ll i,j,n,a,b,c; cin >> a >> b >> c; if ((-1*a == b && c%2==0) || a == b) { cout << "=" << endl;// } else if (a == 0) { if (b < 0 && c%2 == 1) { cout << ">" << endl; } else { cout << "<" << endl; }// } else if(b==0) { if (a < 0 && c%2 == 1) { cout << "<" << endl; } else { cout << ">" << endl; }// } else if (a > 0 && b > 0) { if (a>b) { cout << ">" << endl; } else { cout << "<" << endl; } } else if (a > 0 && b < 0) { if (c%2 == 1) { cout << ">" << endl; } else { if (a > -1*b) { cout << ">" << endl; } else { cout << "<" << endl; } }// } else if (a < 0 && b > 0) { if (c%2 == 1) { cout << "<" << endl; } else { if (-1*a > b) { cout << ">" << endl; } else { cout << "<" << endl; } }// } else {//a<0 && b<0 if (c%2==1) { if (-1*a > -1*b) { cout << "<" << endl; }else { cout << ">" << endl; }// } else { if (-1*a > -1*b) { cout << ">" << endl; }else { cout << "<" << endl; } } } return 0; }
//#undef DEBUG #include <bits/stdc++.h> using namespace std; using ll = long long; const ll llinf = (1ll<<61)-1; #define sz(a) int(a.size()) #define all(x) begin(x), end(x) #ifdef DEBUG const int DEBUG_END = 26; #define DOS cout #include <debug.h> #else #define bug(args...) void() #define cbug(a, args...) #endif #define ASSERT(a, o, b, args...) if (!((a)o(b))) bug(a, b, ##args), assert((a)o(b)); #define fi first #define se second int TC = 1, CN; const int inf = 1000000007; const int H = 1005; int h, w, d[2]; string grid[H]; bitset<H> vstd[H], visd[2]; vector<pair<int, int>> g[2][H]; void dfs(pair<int, int> u) { auto [r, c] = u; int p[2] = {r, c}; for (int i = 0; i < 2; i++) { if (visd[i][p[i]]) continue; visd[i][p[i]] = 1; for (auto &j : g[i][p[i]]) { if (!vstd[j.fi][j.se]) vstd[j.fi][j.se] = 1, dfs(j); } } } signed main() { cin.tie(0)->sync_with_stdio(0); cin.exceptions(cin.failbit); cout.precision(11), cout.setf(ios::fixed); //cin >> TC;// inputAll + resetAll -> solution auto kase = [&]()->void { cin >> h >> w; d[0] = h, d[1] = w; for (int i = 0; i < h; i++) { cin >> grid[i]; for (int j = 0; j < w; j++) { if (grid[i][j] == '#') g[0][i].push_back({i, j}), g[1][j].push_back({i, j}); } } queue<pair<int, int> > q; for (int i = 0; i < 2; i++) { for (auto &j : g[i][0]) { if (!vstd[j.fi][j.se]) vstd[j.fi][j.se] = 1, dfs(j); } for (auto &j : g[i][d[i]-1]) { if (!vstd[j.fi][j.se]) vstd[j.fi][j.se] = 1, dfs(j); } } int cnt = 0, cntr = h-2, cntc = w-2; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { if (!vstd[i][j] and grid[i][j] == '#') ++cnt, dfs({i, j}); } } for (int i = 1; i < h-1; i++) { bool ok = 0; for (int j = 0; j < w; j++) { ok |= vstd[i][j]; } cntr -= ok; } for (int i = 1; i < w-1; i++) { bool ok = 0; for (int j = 0; j < h; j++) { ok |= vstd[j][i]; } cntc -= ok; } cout << cnt+min(cntr, cntc) << '\n'; }; while (CN++!=TC) kase(); }
#include <bits/stdc++.h> using namespace std; using ll = long long; template <class T> using vec = vector<T>; template <class T> using vvec = vector<vec<T>>; template<class T> bool chmin(T& a,T b){if(a>b) {a = b; return true;} return false;} template<class T> bool chmax(T& a,T b){if(a<b) {a = b; return true;} return false;} #define all(x) (x).begin(),(x).end() #define debug(x) cerr << #x << " = " << (x) << endl; int main(){ cin.tie(0); ios::sync_with_stdio(false); int N,L; cin >> N >> L; vec<int> A(N+2),B(N+2); for(int i=1;i<=N;i++) cin >> A[i]; for(int i=1;i<=N;i++) cin >> B[i]; A[N+1] = B[N+1] = L+1; vec<int> C(N+1),D(N+1); for(int i=0;i<=N;i++){ C[i] = A[i+1]-A[i]-1; D[i] = B[i+1]-B[i]-1; } ll ans = 0; int sum = 0,r = 0; // for(int i=0;i<=N;i++) cerr << C[i] << " " << D[i] << "\n"; for(int i=0;i<=N;i++) if(D[i]){ while(C[r]==0) r++; int l = r; while(r<=N && sum+C[r]<=D[i]){ sum += C[r++]; if(sum==D[i]) break; } if(sum!=D[i]){ cout << "-1\n"; return 0; } // cerr << l << " " << r << "\n"; if(r<=i) ans += i-l; else if(i<=l) ans += r-i-1; else ans += r-l-1; sum = 0; } cout << ans << "\n"; }
#include<bits/stdc++.h> using namespace std; #define rep(i,n) for(int i = 0; i < (int) n; i++) using ll = long long; template <class T> using vt = vector<T>; using vvi = vector<vt<int>>; int main(){ int n, num = 0, t_n; cin >> n; num = pow(2,n); t_n = num; vt<int> a(num); vt<int> tp(num); rep(i,num){ cin >> a[i]; tp[i] = a[i]; } while(num != 2) { rep(i,num){ if (a[i] > a[i+1]) { a.erase(a.begin() + i+1); } else { a.erase(a.begin() + i); } num--; } } int p = a[0] > a[1] ? a[1] : a[0]; rep(i,t_n){ if(p == tp[i]){ cout << i+1 << endl; break; } } return 0; }
#include <stdio.h> #define _USE_MATH_DEFINES #include <math.h> #include <vector> #include <algorithm> #include <iostream> #include <map> using namespace std; int main(){ int n; scanf("%d", &n); long nNum = 1; for(int i = 0; i < n; i++){ nNum *= 2; } vector<int> viNum(nNum); for(int i = 0; i < nNum; i++){ scanf("%d", &viNum[i]); } vector<int> viNumTmp = viNum; long nNumTmp = nNum; while(nNumTmp > 2){ nNumTmp /= 2; for(int i = 0; i < nNum; i++){ viNumTmp[i] = max(viNumTmp[2*i], viNumTmp[2*i+1]); } } int nAns = min(viNumTmp[0], viNumTmp[1]); for(int i = 0; i < nNum; i++){ if(viNum[i] == nAns){ printf("%d", i+1); } } return 0; }
#include <iostream> #include <string> #include <vector> #include <algorithm> #include <numeric> #include <cmath> #include <iomanip> #include <cstdio> #include <set> #include <map> #include <list> #include <cstdlib> #include <queue> #include <stack> #include <bitset> using namespace std; #define MOD 998244353 #define PI 3.1415926535897932 #define INF 1e9 #define rep(i, n) for (int i = 0; i < n; i++) #define repe(i, j, n) for (int i = j; i < n; i++) #define repi(i, n) for (int i = 0; i <= n; i++) #define repie(i, j, n) for (int i = j; i <= n; i++) #define all(x) x.begin(), x.end() #define println() cout << endl #define P pair<int, int> #define fi first #define se second typedef long long ll; using Graph = vector<vector<ll>>; void solve1() { ll a, b; cin >> a >> b; ll sum = 0; if(a == b) { rep(i, a) { cout << i + 1 << " "; } rep(i, b) { if(i == b-1) { cout << -b << endl; break; } cout << -(i+1) << " "; } } else if(a > b) { for(ll i = 1; i <= a; i++) { sum += i; cout << i << " "; } sum *= -1; ll sumb = 0; for(ll i = 1; i <= b; i++) { if(i == b) { cout << sum - sumb << endl; break; } sumb -= i; cout << -i << " "; } } else if(b > a) { for(ll i = 1; i <= b; i++) { sum += i; cout << -i << " "; } ll sumb = 0; for(ll i = 1; i <= a; i++) { if(i == a) { cout << sum - sumb << endl; break; } sumb += i; cout << i << " "; } } } int main() { solve1(); }
#include <bits/stdc++.h> #define fo(i, k, n) for (ll i = k; i < n; i++) #define ll long long #define ld long double using namespace std; int main() { ios_base::sync_with_stdio(false); int a, b; cin >> a >> b; vector<int> pos(a); vector<int> neg(b); if (a > b) { fo(i, 0, a) pos[i] = i + 1; int sum = 0; if (b == 1) { fo(i, 0, a) sum = sum + pos[i]; neg[0] = -(sum); } else { fo(i, 0, b - 1) neg[i] = -(i + 1); fo(i, b - 1, a) sum = sum + pos[i]; neg[b - 1] = -(sum); } } else { fo(i, 0, b) neg[i] = -(i + 1); int sum = 0; if (a == 1) { fo(i, 0, b) sum = sum + neg[i]; pos[0] = -(sum); } else { fo(i, 0, a - 1) pos[i] = (i + 1); fo(i, a - 1, b) sum = sum + neg[i]; pos[a - 1] = -(sum); } } fo(i, 0, a) cout << pos[i] << " "; fo(i, 0, b) cout << neg[i] << " "; cout << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<int> vi; typedef vector<ll> vll; typedef vector<vi> vvi; typedef vector<string> vs; typedef pair<int, int> pii; #define sz(a) int((a).size()) #define pb push_back #define eb emplace_back #define fi first #define se second #define all(c) (c).begin(),(c).end() #define rall(c) (c).rbegin(),(c).rend() #define ini(a, i) memset(a, i, sizeof(a)) #define inin(a, n, i) memset(a, i, sizeof(a[0])*(n)) #define ccont(c, i) ((c).find(i) != (c).end()) #define lcont(c, i) (find(all(c), i) != (c).end()) #define trav(x, c) for(auto& x : c) #define readv(c) for(auto& x : c) read(x) #define rep(i, n) for(int i = 0; i < n; i++) #define repa(i, b, e) for(int i = b; i < e; i++) #define repd(i, b, e) for(int i = b-1; i >= e; i--) template<class T> bool chkmax(T &x, T y) { return x < y ? x = y, true : false; } template<class T> bool chkmin(T &x, T y) { return x > y ? x = y, true : false; } template<class A, class B> A cvt(B x) { stringstream s; s << x; A r; s >> r; return r; } void read() {} void print() {} template<class T, class... Args> void read(T& a, Args&... args) { cin >> a; read(args...); } template<class T, class... Args> void print(T a, Args... args) { cout << a << (sizeof...(args) > 0 ? " " : ""); print(args...); } template<class... Args> void println(Args... args) { print(args...); cout << '\n'; } #define debug(args...) { string s_(#args); replace(all(s_), ',', ' '); stringstream ss_(s_); istream_iterator<string> it_(ss_); cerr_(it_, args); } void cerr_(istream_iterator<string> it) { (void) it; } template<class T, class... Args> void cerr_(istream_iterator<string> it, T a, Args... args) { cerr << *it << " = " << a << endl; cerr_(++it, args...); } template<class T, class S> ostream& operator<<(ostream& os, const pair<T, S>& p) { os << "(" << p.first << ", " << p.second << ")"; return os; } template<class T> ostream& operator<<(ostream &os, const vector<T> &v) { os << '{'; string sep; for (const auto &x : v) os << sep << x, sep = ", "; return os << '}'; } template<class T> ostream& operator<<(ostream &os, const set<T> &s) { os << '{'; string sep; for (const auto &x : s) os << sep << x, sep = ", "; return os << '}'; } template<class T, class S> ostream& operator<<(ostream &os, const map<T, S> &m) { os << '{'; string sep; for (const auto &x : m) os << sep << x, sep = ", "; return os << '}'; } template<class T, size_t size> ostream& operator<<(ostream &os, const array<T, size> &arr) { os << '{'; string sep; for (const auto &x : arr) os << sep << x, sep = ", "; return os << '}'; } const int INF = 0x3F3F3F3F; const int MAXN = (int) 1e6; const int MOD = (int) 1e9+7; //========================= void run_test() { int n; read(n); string s; read(s); if(s[0] != s[n-1]) { println(1); return; } repa(i, 1, n-2) { if(s[0] != s[i] && s[i+1] != s[n-1]) { println(2); return; } } println(-1); } //========================= int main() { ios::sync_with_stdio(false); cin.tie(nullptr); //int t_ = 1, t__; cin >> t__; while(t_ <= t__) { cout << "Case #" << t_++ << ": "; run_test(); } // int t_; cin >> t_; while(t_--) run_test(); run_test(); return 0; }
#include <bits/stdc++.h> using namespace std; #define int long long #define forn(i,a,n) for (int i=a; i<n; i++) signed main(){ ios::sync_with_stdio(false); cin.tie(0); //freopen("input.txt","r",stdin); //freopen("output.txt","w",stdout); string s; cin>>s; if (s[0]==s[1] && s[1]==s[2]) cout<<"Won"<<endl; else cout<<"Lost"<<endl; return 0; }
#include<bits/stdc++.h> using namespace std; #define endl '\n' #define ll long long #define pll pair<ll,ll> #define rep(i,n) for(ll i=0;i<n;i++) #define mod 1000000007 #define INF 10000000000000000 #define F first #define S second #define pb push_back #define lb lower_bound #define ub upper_bound #define pie 3.141592653589793238462643383279 #define PYES cout<<"YES"<<endl #define PNO cout<<"NO"<<endl #define SB(a) sort(a.begin(),a.end(),greater<ll>()); #define SS(a) sort(a.begin(),a.end()); #define vll vector<ll> #define vpll vector<pll> vector<bool> prime; vector<ll> fact,inv,primes,factors; void fast() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); } void factorize(ll a) { factors.clear(); for(ll i=1;i*i<=a;i++) { if (i*i==a) factors.pb(i); else if (a%i==0) { factors.pb(i); factors.pb(a/i); } } sort(factors.begin(),factors.end()); } ll power(ll a,ll b) { if(a==1||b==0) return 1; ll c=power(a,b/2); ll res=1; res=c*c; if(res>=mod) res%=mod; if(b%2) res*=a; if(res>=mod) res%=mod; return res; } ll modInv(int a) { return power(a,mod-2); } void factorial(ll n) { fact.resize(n+1); fact[0]=1; for(ll i=1;i<=n;i++) { fact[i]=fact[i-1]*i; if(fact[i]>=mod) fact[i]%=mod; } } void InvFactorial(ll n) { inv.resize(n+1); inv[0]=1; for(ll i=1;i<=n;i++) inv[i]=modInv(fact[i]); } ll ncr(ll n,ll r) { if(n<r||n<0||r<0) return 0; ll b=inv[n-r]; ll c=inv[r]; ll a=fact[n]*b; if(a>=mod) a%=mod; a*=c; if(a>=mod) a%=mod; return a; } void remove_duplicates(vector<pair<ll,ll> > &v) { sort(v.begin(),v.end()); ll _size=unique(v.begin(),v.end())-v.begin(); v.resize(_size); } unsigned ll gcd(unsigned ll u, unsigned ll v) { if(u==0||v==0) return max(u,v); unsigned ll shift=__builtin_ctz(u|v); u>>=__builtin_ctz(u); do{ v>>=__builtin_ctz(v); if(u>v) swap(u,v); v-=u; }while(v!=0); return u<<shift; } void sieve(int n) { prime.assign(n+1,1); prime[1]=false; for(ll p=2;p*p<=n;p++) if(prime[p]) for(ll i=p*p;i<=n;i+=p) prime[i]=false; for(ll i=2;i<n+1;i++) if(prime[i]) primes.push_back(i); } ll size(ll l) { ll p=l; ll count=0; while(p) p/=10,count++; return count; } //-------------------------------------------------------------------------------------------------------------------------------------------------- // Always remember: if (condition) if (condition) statement; This doesn't work !! // Always increase boundaries for global or frequency questions // pow((int)10,i) doesn't work sometimes. It is better to use multiple of 10 in arrays. Always remember this. // delete values when defining global if there are multiple testcases // don't try to be smart and make stupid mistakes ll n,m; vector<string> a(2005); vector<vll> dp(2005,vll(2005,-INF)); ll cont(ll i,ll j) { if (a[i][j]=='+') return 1; else return -1; } ll func(ll i,ll j) { if (i==n-1 && j==m-1) return 0; ll &ans=dp[i][j]; if (ans>-INF) return ans; if ((i-j)%2==0) { ll t=-INF; if (i<n-1) t=max(t,func(i+1,j)+cont(i+1,j)); if (j<m-1) t=max(t,func(i,j+1)+cont(i,j+1)); ans=t; } else { ll t=INF; if (i<n-1) t=min(t,func(i+1,j)-cont(i+1,j)); if (j<m-1) t=min(t,func(i,j+1)-cont(i,j+1)); ans=t; } return ans; } void solve() { cin>>n>>m; rep(i,n) cin>>a[i]; ll ans=func(0,0); if (ans>0) cout<<"Takahashi"; else if (ans<0) cout<<"Aoki"; else cout<<"Draw"; } signed main() { fast(); ll T=1; //cin>>T; for(ll i=1;i<=T;i++) solve(); }
// Always remember that you are absolutely unique, just like everyone else! #include <iostream> #include <vector> using namespace std; // DEBUGGING SECTION void __print(int x) {cerr << x;} void __print(long long 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 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...);} #define fastio ios_base::sync_with_stdio(false);cin.tie(NULL) #define debug(x...) cerr << "[" << #x << "] = ["; _print(x) #define MOD 1000000007 #define INF 3e18 #define pb push_back #define endl '\n' // Remove if interactive #define ff first #define ss second #define FOR(i, a, b) for(int i = a; i < b; i++) //#include <algorithm> //#include <cstring> //#include <map> //#include <set> //#include <queue> //#include <stack> //#include <math.h> //#include <bits/stdc++.h> #define int long long #define pii pair<int, int> #define vi vector<int> #define vvi vector<vi> #define vpii vector<pii> #define all(x) x.begin(), x.end() int power(int x, int y) { int ans = 1; x %= MOD; while (y) { if (y & 1) ans = (x * ans) % MOD; x = (x * x) % MOD; y >>= 1; } return ans; } // comparator(A, B) -> should return true if A needs to come before B! // ALWAYS RETURN FALSE IF A == B // USE INTEGERS TO REDUCE RUNTIME! const int maxn = 2010; int n, m; vvi arr(maxn, vi(maxn)); vector<vpii> dp(maxn, vpii(maxn, { -1, -1})); pii helper(int x, int y) { if (dp[x][y].ff != -1) return dp[x][y]; if (x == n && y == m) return {0, 0}; pii curr = { -INF, INF}; if (x + 1 <= n) { pii a = helper(x + 1, y); if (a.ss + arr[x + 1][y] - a.ff > curr.ff - curr.ss) { curr = {a.ss + arr[x + 1][y], a.ff}; } } if (y + 1 <= m) { pii a = helper(x, y + 1); if (a.ss + arr[x][y + 1] - a.ff > curr.ff - curr.ss) { curr = {a.ss + arr[x][y + 1], a.ff}; } } dp[x][y] = curr; return curr; } void solve() { cin >> n >> m; FOR(i, 1, n + 1) { FOR(j, 1, m + 1) { char c; cin >> c; arr[i][j] = (c == '+') ? 1 : -1; } } pii ans = helper(1, 1); debug(ans); if (ans.ff == ans.ss) { cout << "Draw\n"; } else if (ans.ff > ans.ss) { cout << "Takahashi\n"; } else { cout << "Aoki\n"; } } int32_t main() { #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); // freopen("error.txt", "w", stderr); freopen("output.txt", "w", stdout); #endif fastio; int t = 1; // cin >> t; while (t--) { solve(); } }
#include<bits/stdc++.h> using namespace std; int a[102],b[102]; int c[20],d[20]; int ans = 0; void solve(int n,int m,bool flag[],int k,int l){ if(l>=k){ int cnt = 0; for(int i=0;i<m;i++) { if(flag[a[i]] == true && flag[b[i]] == true) cnt++; } ans = max(ans,cnt); return ; } bool temp =flag[c[l]]; flag[c[l]] = true; solve(n,m,flag,k,l+1); flag[c[l]] = temp; temp = flag[d[l]]; flag[d[l]] = true; solve(n,m,flag,k,l+1); flag[d[l]] = temp; } int main(){ int n,m; cin >> n >> m; for(int i=0;i<m;i++) cin >> a[i] >> b[i]; int k; cin >> k; for(int i=0;i<k;i++) { cin >> c[i] >> d[i]; } bool flag[105] = {false,}; solve(n,m,flag,k,0); cout<<ans<<endl; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; #define rep(i, n) for (ll i = 0; i < (ll)(n); i++) #define repp(i, st, en) for (ll i = (ll)st; i < (ll)(en); i++) #define repm(i, st, en) for (ll i = (ll)st; i >= (ll)(en); i--) #define all(v) v.begin(), v.end() void chmax(ll &x, ll y) {x = max(x,y);} void chmin(ll &x, ll y) {x = min(x,y);} int main() { ll N, M; cin >> N >> M; vector<pair<ll,ll>> m(M); rep(i,M) { ll a, b; cin >> a >> b; a--; b--; m[i] = {a,b}; } ll K; cin >> K; vector<pair<ll,ll>> k(K); rep(i,K) { ll c, d; cin >> c >> d; c--; d--; k[i] = {c,d}; } ll ans = 0; rep(bit,1<<K) { vector<ll> vec(N); rep(i,K) { ll x = k[i].first, y = k[i].second; if ((bit>>i)&1) vec[x]++; else vec[y]++; } ll cnt = 0; rep(i,M) { ll x = m[i].first, y = m[i].second; if (vec[x]>=1 && vec[y]>=1) cnt++; } ans = max(ans,cnt); } cout << ans << endl; }
#include <bits/stdc++.h> #define int long long using namespace std; const int MAXN = 4e5 + 100; int A[MAXN]; char res[MAXN]; int32_t main() { ios_base::sync_with_stdio(0); cin.tie(0); int N; cin >> N; vector<pair<int,int>> vect; for(int i = 1 ; i <= 2*N ; i++) { int n; cin >> n; vect.push_back({n,i}); } sort(vect.begin(), vect.end()); for(int i = 1 ; i <= N ; i++) { A[vect[i-1].second] = 1; } vector<int> vvv; bool flag = false; for(int i = 1 ; i <= 2*N ; i++) { if(flag == false) { if(A[i]) { vvv.push_back(i); } else { if(vvv.size()) { res[vvv.back()] = '('; res[i] = ')'; vvv.pop_back(); } else { flag = true; vvv.push_back(i); } } } else { if(!A[i]) { vvv.push_back(i); } else { if(vvv.size()) { res[vvv.back()] = '('; res[i] = ')'; vvv.pop_back(); } else { flag = false; vvv.push_back(i); } } } } for(int i = 1 ; i <= 2*N ; i++) { cout << res[i]; } cout << '\n'; return 0; }
#include<bits/stdc++.h> #define rep(i,a,b) for(int i=a;i<=b;i++) #define pre(i,a,b) for(int i=a;i>=b;i--) #define N 400005 using namespace std; int n,a[N],c[N],ans[N],sta[N],top;pair<int,int>u[N]; int main(){ scanf("%d",&n);n<<=1; rep(i,1,n)scanf("%d",&a[i]),u[i]=make_pair(a[i],i); sort(u+1,u+n+1); rep(i,1,n/2)c[u[i].second]=1; rep(i,1,n){ if(!top||c[sta[top]]==c[i])sta[++top]=i; else{ ans[sta[top--]]=0;ans[i]=1; } } rep(i,1,n)if(ans[i])putchar(')');else putchar('('); return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<int> VI; typedef vector<VI> VVI; typedef vector<long long> VL; typedef vector<vector<long long>> VVL; typedef pair<int,int> Pair; typedef tuple<int,int,int> tpl; #define ALL(a) (a).begin(),(a).end() #define SORT(c) sort((c).begin(),(c).end()) #define REVERSE(c) reverse((c).begin(),(c).end()) #define EXIST(m,v) (m).find((v)) != (m).end() #define LB(a,x) lower_bound((a).begin(), (a).end(), x) - (a).begin() #define UB(a,x) upper_bound((a).begin(), (a).end(), x) - (a).begin() #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) #define RFOR(i,a,b) for(int i=(a)-1;i>=(b);--i) #define RREP(i,n) RFOR(i,n,0) #define en "\n" constexpr double EPS = 1e-9; constexpr double PI = 3.1415926535897932; constexpr int INF = 2147483647; constexpr long long LINF = 1LL<<60; constexpr long long MOD = 1000000007; // 998244353; 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;} int N,M; VL dp(8,-1); ll L[8][8]; ll rec(int v){ if(dp[v] != -1) return dp[v]; ll ret = 0; FOR(to,v+1,N){ chmax(ret, rec(to) + L[v][to]); } return dp[v] = ret; } void Main(){ cin >> N >> M; ll MINV = LINF, MAXW = 0; VL w(N); REP(i,N) cin >> w[i], chmax(MAXW,w[i]); VL l(M),v(M); REP(i,M) cin >> l[i] >> v[i], chmin(MINV, v[i]); if(MINV<MAXW){ cout << -1 << en; return; } VI p(M); REP(i,M) p[i] = i; auto cmp = [&](int i, int j){return v[i]<v[j];}; sort(ALL(p), cmp); VL mx(M+1,0); REP(i,M) chmax(mx[i+1], max(mx[i],l[p[i]])); ll ans = LINF; VI q(N); REP(i,N) q[i] = i; do{ VL ww(N); REP(i,N) ww[i] = w[q[i]]; VL sum(N+1,0); REP(i,N) sum[i+1] = sum[i] + ww[i]; REP(i,N-1)FOR(j,i+1,N){ ll s = sum[j+1] - sum[i]; int l = -1, r = M; while(r-l>1){ int x = (l+r)/2; if(v[p[x]]<s) l = x; else r = x; } L[i][j] = mx[r]; } REP(i,N) dp[i] = -1; chmin(ans, rec(0)); }while(next_permutation(ALL(q))); cout << ans << en; return; } int main(void){ cin.tie(0);cout.tie(0);ios_base::sync_with_stdio(0);cout<<fixed<<setprecision(15); int t=1; //cin>>t; REP(_,t) Main(); return 0; }
#include<cstdio> #include<vector> int w[15]; struct Element{ int l,v; }; struct Edge{ int v,w; Edge(int v,int w):v(v),w(w){} }; std::vector<Edge>g[15]; int f[15]; Element e[100005]; int seq[15]; int vis[15]; int pos[15]; int ans = -1; int dis[1<<10]; void dfs(int p,int n,int m){ if(p==n+1){ for(int i = 1; i <= n; i++){ g[i].clear(), f[i] = 0; pos[seq[i]] = i; } for(int i = 0; i < (1<<n); i++){ int l = n+1, r = -1; int mask = i; for(int j = 1; j <= n; j++){ if(mask%2){ int p = pos[j]; if(l>p) l = p; if(r<p) r = p; } mask /= 2; } if(l<=n && r>=1 && l<r) g[l].push_back(Edge(r,dis[i])); } for(int i = 1; i <= n; i++){ if(f[i]<f[i-1]) f[i] = f[i-1]; for(Edge e: g[i]){ int j = e.v, w = e.w; if(f[j]<f[i]+w) f[j] = f[i]+w; } } if(ans==-1 || ans>f[n]) ans = f[n]; } else{ for(int i = 1; i <= n; i++){ if(vis[i]==0){ seq[p] = i; vis[i] = 1; dfs(p+1,n,m); vis[i] = 0; } } } } int main(){ int n,m; scanf("%d%d",&n,&m); int maxn = -1; for(int i = 1; i <= n; i++){ scanf("%d",&w[i]); if(maxn<w[i]) maxn = w[i]; } int ok = 1; for(int i = 1; i <= m; i++){ scanf("%d%d",&e[i].l,&e[i].v); if(e[i].v<maxn) ok = 0; } if(!ok){ printf("-1\n"); return 0; } for(int i = 0; i < (1<<n); i++){ int sum = 0, mask = i; for(int j = 1; j <= n; j++){ if(mask%2) sum += w[j]; mask /= 2; } dis[i] = 0; for(int j = 1; j <= m; j++){ if(e[j].v<sum && dis[i]<e[j].l) dis[i] = e[j].l; } } dfs(1,n,m); printf("%d\n",ans); return 0; }
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(0); int n; cin >> n; vector<pair<int, int>> pos(n); for (auto &&[x, y] : pos) { cin >> x >> y; } auto judge = [&](double r) -> bool { queue<int> q; for (auto i = 0; i != n; ++i) { if (100 - r < pos[i].second + r) { q.push(i); } } vector<bool> used(n); while (!q.empty()) { auto id = q.front(); q.pop(); if (used[id]) continue; used[id] = true; for (auto i = 0; i != n; ++i) { if (hypot(pos[i].first - pos[id].first, pos[i].second - pos[id].second) < 2 * r) { q.push(i); } } } for (auto i = 0; i != n; ++i) { if (used[i]) { if (r - 100 > pos[i].second - r) { return false; } } } return true; }; constexpr double eps = 1e-4; double ok = 0, ng = 100; while (ng - ok > eps) { auto r = (ok + ng) / 2; if (judge(r)) ok = r; else ng = r; } cout << ok << endl; }
#include <bits/stdc++.h> #define ll long long int #define w(t) int t; cin>>t; while(t--) #define F first #define S second #define pb push_back #define mp make_pair #define pii pair<int,int> #define mii map<int,int> #define sp(x,y) fixed<<setprecision(y)<<x using namespace std; // ll modular(ll base, unsigned long long int exp, unsigned int mod) // { // ll x = 1; // ll power = base % mod; // for (ll i = 0; i < sizeof(long long int) * 8; i++) { // ll least_sig_bit = 0x00000001 & (exp >> i); // if (least_sig_bit) // x = (x * power) % mod; // power = (power * power) % mod; // } // return x; // } int main() { ios::sync_with_stdio(false); cin.tie(0); // ll a,b,c; // cin>>a>>b>>c; // if(modular(a,c,1000000007)==modular(b,c,1000000007))cout<<"="; // else if(modular(a,c,1000000007)<modular(b,c,1000000007))cout<<"<"; // else if(modular(a,c,1000000007)>modular(b,c,1000000007))cout<<">"; // return 0; float a,b; cin>>a>>b; float ans=b/100; ans*=a; cout<<ans; return 0; }
#include<bits/stdc++.h> using namespace std; /*#include <ext/pb_ds/assoc_container.hpp> using namespace __gnu_pbds; using namespace std; typedef tree<long long, null_type, less<long long>, rb_tree_tag, tree_order_statistics_node_update> is;*/ #define fb find_by_order #define ok order_of_key #define mem(x,y) memset(x,y,sizeof x) typedef long long ll; typedef int ii; typedef pair<ll,ll> pi; typedef vector<pi> vii; #define map unordered_map #define INF 1000000000000007 #define pi 3.141592654 #define T while(t--) #define for2(i,a,b) for(i=a;i>=b;i--) #define for3(i,a,b) for(i=a;i<=b;i=i+2) #define for1(i,a,b) for(i=a;i<=b;i=i+1) #define for4(i,a,b) for(i=a;i>=b;i=i-2) #define pb push_back #define pf push_front #define mp make_pair #define ff first #define ss second #define si set<ll> #define se multiset<ll> typedef double ld; typedef vector<ll> vi; #define all(v) sort(v.begin(),v.end()) #define all1(v) sort(v.rbegin(),v.rend()) #define pff(uuv) printf("%lld\n",uuv) #define pf1(uu) printf("%.20Lf\n",uu) bool comp(pair<ll,char> aa, pair<ll,char> bb) { if (aa.ff != bb.ff) return aa.ff > bb.ff; return aa.ss < bb.ss; } bool comp1(pair<ll,char> aa, pair<ll,char> bb) { if (aa.ff != bb.ff) return aa.ff < bb.ff; return aa.ss > bb.ss; } bool comp2(pair<ll,ll> aa, pair<ll,ll> bb) { if (aa.ff != bb.ff) return aa.ff > bb.ff; return aa.ss < bb.ss; } bool comp3(pair<ll,ll> aa, pair<ll,ll> bb) { if (aa.ff != bb.ff) return aa.ff < bb.ff; return aa.ss > bb.ss; } ll rup(ll ik,ll ikk){ if(ik%ikk==0) return ik/ikk; else return (ik/ikk)+1; } ll gcd(ll a,ll b){ if(b==0) return a; return gcd(b,a%b); } ll lcm(ll a ,ll b){ return (a*b)/gcd(a,b); } ii main(){ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); ll t=1; //cin>>t; while(t--){ ld n; cin>>n; n*=1.08; n=ll(n); if(n<206) cout<<"Yay!\n"; else if(n==206) cout<<"so-so\n"; else cout<<":(\n"; } }
#include <algorithm> #include <iostream> #include <sstream> #include <string> #include <vector> #include <cstdio> #include <cmath> #include <array> #include <queue> #include <stack> #include <map> #include <set> using namespace std; int main() { int N; cin >> N; int v = N * 1.08; if (v == 206) { puts("so-so"); } else if (v < 206) { puts("Yay!"); } else { puts(":("); } return 0; }
#include<iostream> #include<math.h> #include<map> #include<vector> using namespace std; int main() { long long int n; cin>>n; long long int ans= n*(n-1)/2; map<long long int ,long long int > count; long long int y; for (long long int i = 0; i < n; i++) { cin>>y; count[y]++; } for (auto it = count.begin();it != count.end(); ++it) { if(it->second>0) ans= ans- ((it->second)*((it->second)-1))/2; } cout<<ans; }
#include <vector> #include <iostream> #include <set> #include <map> #include <unordered_set> #include <queue> #include <string> #include <stdio.h> #include <stdlib.h> #include <algorithm> #include <iomanip> #include <numeric> #include <math.h> #include <stack> #include <valarray> #include <typeinfo> #include <array> using namespace std; using ll=long long; using P = pair<ll,ll>; #define rep(i,n) for (int i=0; i<(n);++i) //ll mod=998244353,fac[1000001],finv[1000001],inv[1000001]; int MOD = 1e9+7,ans=0,n,m; unordered_set<char> tops; const double PI = acos(-1); vector<vector<int>> dir = {{0,1},{1,0},{0,-1},{-1,0}}; const int MAX = 1e5+5; vector<ll> fac,finv,inv; int ser(int i,int j,int w,vector<vector<int>> &par){ if(par[i][j]==i*w+j) return par[i][j]; else return par[i][j]=par[par[i][j]/w][par[i][j]%w]; } int main() { int n; cin >> n; vector<int> pw(n),sp(n),te(n),kn(n),id(n); rep(i,n){ cin >> pw[i] >> sp[i] >> te[i] >> kn[i] >> id[i]; } int l=0,r=1e9+1; while(r-l>1){ int mid=(r+l)/2,out=1; vector<int> cnt(32); rep(i,n){ int p=0; if(pw[i]>=mid) p+=1; if(sp[i]>=mid) p+=2; if(te[i]>=mid) p+=4; if(kn[i]>=mid) p+=8; if(id[i]>=mid) p+=16; cnt[p]++; } //rep(i,32) cout << cnt[i] << ' '; //cout << endl; rep(i,32){ rep(j,32){ rep(k,32){ if(cnt[i]==0 || cnt[j]==0 || cnt[k]==0) continue; rep(l,5){ if(!((i& (1<<l)) || (j& (1<<l)) || (k& (1<<l)))) break; if(l==4) out=0; } } } } if(out==0) l=mid; else r=mid; //cout << mid << endl; } cout << l << endl; }