solution
stringlengths
10
983k
difficulty
int64
0
25
language
stringclasses
2 values
import sys def minp(): return sys.stdin.readline().strip() def mint(): return int(minp()) def mints(): return map(int, minp().split()) def solve(): n, k, l = mints() x = 0 pz = k for d in mints(): z = l - d if z < 0: print("No") return if z >= k: x = 0 elif x < k: x = max(x + 1, k - z) elif x >= k: x = x + 1 if x - k > z: print("No") return print("Yes") for i in range(mint()): solve()
8
PYTHON3
def lpf(n,m=0,i=2): while i*i<=n: if n%i:i+=1 else:n//=i return m-n x=int(input()) a=x for i in range(lpf(x,x+1),x+1): if lpf(i,i+1)>=3:a=min(lpf(i,i+1),a) print(a)
7
PYTHON3
for i in range(int(input())): n=int(input()) dict={} flag=0 for i in range(n): s=input() for i in s: if i not in dict: dict[i]=1 else: dict[i]+=1 for i in dict: if dict[i]%n!=0: flag=1 break if flag==1: print('NO') else: print('YES')
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { long t; cin >> t; while (t--) { long n, k; string s; cin >> n >> k; cin >> s; string ns = ""; for (int i = 0; i < 26; i++) { for (int j = 0; j < n; j++) { if (s[j] == (i + 'a')) { ns += (i + 'a'); } } } int f = 0; for (int i = 0; i < k - 1; i++) { if (ns[i] != ns[i + 1]) { f = 1; } } if (f == 1) { cout << ns[k - 1] << endl; continue; } int flag = 0; for (int i = k; i < n - 1; i++) { if (ns[i] != ns[i + 1]) { flag = 1; } } if (flag == 0) { int tot = n - k; int pr = 0; if (tot == 0) { pr = 0; } else if (tot <= k) { pr = 1; } else { pr = tot / k; if (tot % k > 0) { pr++; } } cout << ns[0]; for (int i = 0; i < pr; i++) { cout << ns[k]; } cout << endl; } else { for (int i = k - 1; i < n; i++) { cout << ns[i]; } cout << endl; } } return 0; }
9
CPP
#include <bits/stdc++.h> using namespace std; int main() { int t; scanf("%d", &t); while (t--) { long long a, b, k; scanf("%lld%lld%lld", &a, &b, &k); long long ans = 0; ans = (a - b) * (k >> 1); if (k & 1) ans += a; printf("%lld\n", ans); } }
7
CPP
a = input() a = list(a) a = set(a) if len(a) % 2 == 0: print("CHAT WITH HER!") else: print("IGNORE HIM!")
7
PYTHON3
#include <bits/stdc++.h> using namespace std; const int maxn = 100000 + 1912; struct edge { int w; bool in; int id; int u, v; bool operator<(const edge b) const { if (w == b.w) return in > b.in; else return w < b.w; } } e[maxn]; int n, m; void ReadData() { cin >> n >> m; for (int i = 1; i <= m; i++) cin >> e[i].w >> e[i].in; for (int i = 1; i <= m; i++) e[i].id = i; sort(e + 1, e + 1 + m); } int ptr[maxn]; int used; void fail() { cout << -1 << endl; return; } priority_queue<pair<int, int>, vector<pair<int, int> >, greater<pair<int, int> > > qu; bool cmp(const edge a, const edge b) { return a.id < b.id; } void Process() { if (!e[1].in) return fail(); used = 2; ptr[1] = 2; ptr[2] = 2; qu.push(pair<int, int>(2, 1)); qu.push(pair<int, int>(2, 2)); e[1].u = 1; e[1].v = 2; for (int i = 2; i <= m; i++) { if (e[i].in) { used++; ptr[used - 1] = used; ptr[used] = used; e[i].u = used - 1; e[i].v = used; qu.push(pair<int, int>(ptr[used - 1], used - 1)); qu.push(pair<int, int>(ptr[used], used)); } else { bool found = false; while (((int)qu.size())) { pair<int, int> tt = qu.top(); qu.pop(); int id = tt.second, val = tt.first; if (ptr[id] != val) continue; if (ptr[id] == used) continue; ptr[id]++; e[i].u = id; e[i].v = ptr[id]; qu.push(pair<int, int>(ptr[id], id)); found = true; break; } if (!found) return fail(); } } sort(e + 1, e + 1 + m, cmp); for (int i = 1; i <= m; i++) cout << e[i].u << " " << e[i].v << "\n"; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); ReadData(); Process(); }
10
CPP
t = int(input()) count = 0 flag = 1; while(t): n = int(input()) n_aux = n words = "" for i in range(n): words += input() words = "".join(sorted(words)) nn_aux = 0 flag = 1 tam = len(words) for j in range(0, tam, n_aux): nn_aux += n_aux if(tam % n_aux != 0): flag = 0 for k in range(j, nn_aux): if words[j] != words[k]: flag = 0 break if(flag == 0): break if(flag): print("YES") else: print("NO") t -= 1
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int i, j, k, n, m, t, cnt; bool h, e, l1, l2, o; int main() { ios::sync_with_stdio(0); cin.tie(0); string s; cin >> s; int size = s.size(); for (__typeof(size - 1) i = 0; i <= size - 1; i += 1) { if (s[i] == 'h') { h = true; } if (h && s[i] == 'e') { e = true; } if (h && e && s[i] == 'l') { if (l1) { l2 = true; } l1 = true; } if (h && e && l1 && l2 && s[i] == 'o') { o = true; } } if (h && e && l1 && l2 && o) { cout << "YES"; } else { cout << "NO"; } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; const int64_t MOD = 1e9+7; void add(int64_t& a, int64_t b){ a = (a+b)%MOD; } int nth_bit(int64_t num , int n) { return (num >> n) & 1; } int main() { int64_t N; cin >> N; int64_t dp[61][3] = {0}; dp[60][0] = 1; for(int d = 59; d >= 0; d--) { for(int s = 0; s <= 2; s++) { for (int k = 0; k <= 2; k++) { int s2 = min(2, 2*s+nth_bit(N, d) - k); if (s2 >= 0) add(dp[d][s2], dp[d+1][s]); } } } int64_t ans = (dp[0][0] + dp[0][1] + dp[0][2]) % MOD; cout << ans << endl; return 0; }
0
CPP
n = int(input()) a = [int(j) for j in input().split()] x = a.count(200) y = a.count(100) if(x%2==0 and y%2==0): print("YES") elif(x%2==1 and y%2==0 and y>=2): print("YES") else: print("NO")
7
PYTHON3
#include <bits/stdc++.h> using namespace std; inline long long bs(long long a) { return a > 0 ? a : -a; } int main() { int n, x, m, y; while (cin >> n >> x >> m >> y) { long long ans = n + 1; for (int i = 1; i <= m; i++) { long long a = y - i - x; long long b = y + i - x; if (a * b >= 0) { a = bs(a); b = bs(b); if (a > n) a = n + 1; if (b > n) b = n + 1; if (a < n || b < n) ans += (bs(a - b) - 1) * 2; else ans += 1; } else { a = bs(a); b = bs(b); if (a > n) a = n + 1; if (b > n) b = n + 1; if (a < n || b < n) ans += (bs(a - b)) * 2 - 1; else ans += 1; } } cout << ans << endl; } }
9
CPP
#include <bits/stdc++.h> using namespace std; using ll = long long; int const N = 200 * 1000 + 16; int const M = 1000 * 1000 * 1000 + 7; int n; pair<int, int> a[N]; int dp[N]; int z[N]; int main() { cin.tie(0); cin.sync_with_stdio(0); cin >> n; for (int i = 0; i < n; i++) { int x, w; cin >> x >> w; a[i] = {x + w, x - w}; } sort(a, a + n); int best = 1; int last = a[0].first; for (int i = 1; i < n; i += 2) { if (last <= a[i].second) { last = a[i].first; best++; } if (i + 1 == n) break; if (last <= a[i + 1].second) { last = a[i + 1].first; best++; } } cout << best; }
8
CPP
#include <bits/stdc++.h> using namespace std; inline long long RR() { long long v = 0, k = 1; char c = 0; while ('0' > c || c > '9') { if (c == '-') k = -1; c = getchar(); } while ('0' <= c && c <= '9') v = v * 10 + c - 48, c = getchar(); return v * k; } inline void W(long long x) { if (x < 0) putchar('-'), x = -x; if (x > 9) W(x / 10); putchar(x % 10 + 48); } inline void WW(long long x) { W(x); puts(""); } inline void read(int &x, int &y) { x = RR(); y = RR(); } const int N = 2e5 + 5; int f[N][23], dp[N]; int n, m, x, y, z, A, B, ans; int lca(int x, int y) { if (dp[y] > dp[x]) swap(x, y); for (int j = 22; j >= 0; j--) if (dp[f[x][j]] >= dp[y]) x = f[x][j]; if (x == y) return x; for (int j = 22; j >= 0; j--) if (f[x][j] != f[y][j]) x = f[x][j], y = f[y][j]; return f[x][0]; } int main() { n = RR(); dp[1] = 1; x = RR(); dp[2] = 2; f[2][0] = 1; A = 1; B = 2; ans = 1; W(ans); putchar(' '); for (int i = 3; i <= n; i++) { x = RR(); dp[i] = dp[x] + 1; f[i][0] = x; for (int j = 1; j <= 22; j++) f[i][j] = f[f[i][j - 1]][j - 1]; y = dp[i] + dp[A] - dp[lca(i, A)] * 2; z = dp[i] + dp[B] - dp[lca(i, B)] * 2; ans = max(ans, max(y, z)); if (ans == y) B = i; else if (ans == z) A = i; W(ans); putchar(' '); } }
9
CPP
import itertools while True: n = int(input()) if n == 0: break score_lst = [int(i) for i in input().split()] dist = 1000001 for i1, i2 in itertools.combinations(score_lst, 2): if abs(i1 - i2) < dist: dist = abs(i1 - i2) print(dist)
0
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int m, n, h, i, j, k, w, z, t, p, q; cin >> t; while (t--) { cin >> n >> k; int a[n]; for (int i = 0; i < n; i++) cin >> a[i]; int mindist = INT_MAX, ans = -1; for (i = 0; i + k < n; i++) { if ((a[i + k] - a[i] + 1) / 2 < mindist) { mindist = (a[i + k] - a[i] + 1) / 2; ans = a[i] + mindist; } } cout << ans << endl; } return 0; }
9
CPP
#include <bits/stdc++.h> using namespace std; vector<pair<long long, long long>> v; int main() { long long n; cin >> n; long long inx, iny; for (long long i = 0; i < n; i++) { cin >> inx >> iny; v.push_back(make_pair(inx, iny)); } if (n % 2 == 1) { cout << "NO" << endl; return 0; } for (long long i = 0; i + 1 < n / 2; i++) { if (((v[i + 1].first - v[i].first) != (v[i + n / 2].first - v[i + 1 + n / 2].first)) || ((v[i + 1].second - v[i].second) != (v[i + n / 2].second - v[i + 1 + n / 2].second))) { cout << "NO" << endl; return 0; } } cout << "YES" << endl; return 0; }
8
CPP
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair<ll, ll> P; #define fi first #define se second #define repl(i,a,b) for(ll i=(ll)(a);i<(ll)(b);i++) #define rep(i,n) repl(i,0,n) #define all(x) (x).begin(),(x).end() #define dbg(x) cout<<#x"="<<x<<endl #define mmax(x,y) (x>y?x:y) #define mmin(x,y) (x<y?x:y) #define maxch(x,y) x=mmax(x,y) #define minch(x,y) x=mmin(x,y) #define uni(x) x.erase(unique(all(x)),x.end()) #define exist(x,y) (find(all(x),y)!=x.end()) #define bcnt __builtin_popcount #define INF 1e16 #define mod 1000000007 int n,m; bool used[200010]; vector<int> a; int main(){ cin>>n>>m; rep(i,m){ int aa; cin>>aa; aa--; a.push_back(aa); } reverse(all(a)); vector<int> res; rep(i,m){ if(used[a[i]])continue; used[a[i]]=true; res.push_back(a[i]); } rep(i,n)if(!used[i])res.push_back(i); rep(i,n)cout<<res[i]+1<<endl; return 0; }
0
CPP
#include <bits/stdc++.h> using namespace std; #define ll long long int main(){ int N; cin >> N; vector<int> A(N); for (int i = 0; i < N; i++) cin >> A[i]; int l, r = N; l = max(0, (int)count(A.begin(), A.end(), 1)-1); while (r-l > 1) { int c = (19*l+r+18)/20; map<int, int> mp; for (int i = 1; i < N; i++) { if (A[i-1] >= A[i]) { if (c == 1) { mp[0] = 1; break; } int t = A[i]; mp[t]++; auto it = mp.upper_bound(t); mp.erase(it, mp.end()); while (t > 0 && mp[t] == c) { mp[t] = 0; mp[t-1]++; t--; } } if (mp[0] > 0) break; } if (mp[0] == 0) r = c; else l = c; } cout << r << endl; return 0; }
0
CPP
#include <bits/stdc++.h> using namespace std; int n, a, ctr = 0; map<int, int> M; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin >> n; for (int i = 1; i <= n; i++) { cin >> a; if (M[a] == 0 && a != 0) ctr++; M[a]++; } cout << ctr << "\n"; return 0; }
7
CPP
n = int(input()) l = list(map(int, input().split())) b = 10 ** 9 for i in range(0, len(l)): b = min(b, l[i] / max(i, n - i - 1)) print(int(b))
8
PYTHON3
import sys import math as mt import bisect input=sys.stdin.readline #t=int(input()) t=1 def ncr_util(): inv[0]=inv[1]=1 fact[0]=fact[1]=1 for i in range(2,300001): inv[i]=(inv[i%p]*(p-p//i))%p for i in range(1,300001): inv[i]=(inv[i-1]*inv[i])%p fact[i]=(fact[i-1]*i)%p def solve(d1,d2): ans1,ans2=0,0 for i in ['R','S','P']: x=0 for j in ['R','S','P']: if win[i]!=j: x+=d2[j] ans1+=min(d1[i],x) for j in ['R','S','P']: if win[i]==j: ans2+=min(d1[i],d2[j]) return [n-ans1,ans2] for _ in range(t): n=int(input()) #n,m=(map(int,input().split())) #n1=n #a=int(input()) #b=int(input()) #a,b,c,r=map(int,input().split()) #x2,y2=map(int,input().split()) a1,a2,a3=map(int,input().split()) b1,b2,b3=map(int,input().split()) d1={} d1['R']=a1 d1['S']=a2 d1['P']=a3 d2={} d2['R']=b1 d2['S']=b2 d2['P']=b3 win={} win['R']='S' win['S']='P' win['P']='R' #n=int(input()) #s=input() #s1=input() #p=input() #l=list(map(int,input().split())) #l2=list(map(int,input().split())) #l=str(n) #l.sort(reverse=True) #l2.sort(reverse=True) #l1.sort(reverse=True) print(*solve(d1,d2))
11
PYTHON3
n = int(input()) for test in range(n): m, k = map(int, input().split()) if m % 2 == 1 and k % 2 == 0: print('NO') elif (m % 2 == 1 and k % 2 == 1) or (m % 2 == 0 and k % 2 == 0): l = ['1']*(k-1) m -= k-1 if m % 2 != 1 or m <= 0: print('NO') else: print('YES') l.append(str(m)) print(' '.join(l)) elif m % 2 == 0 and k % 2 == 1: l = ['2']*(k-1) m -= (k-1)*2 if m % 2 != 0 or m <= 0: print('NO') else: print('YES') l.append(str(m)) print(' '.join(l))
8
PYTHON3
import sys, os.path from collections import* from copy import* import math mod=10**9+7 if(os.path.exists('input.txt')): sys.stdin = open("input.txt","r") sys.stdout = open("output.txt","w") for t in range(int(input())): x1,y1,x2,y2=map(int,input().split()) if(x1==x2): print(abs(y2-y1)) elif(y1==y2): print(abs(x2-x1)) else: print(abs(x2-x1)+1+abs(y2-y1)+1)
7
PYTHON3
participants,cutoffrank=map(int,input().split()) pointsearned=list(reversed(sorted(list(map(int,input().split()))))) cutoffpoint=pointsearned[cutoffrank-1] counter=0 for points in pointsearned: if points>=cutoffpoint and points>0: counter+=1 else: break print(counter)
7
PYTHON3
#include<bits/stdc++.h> using namespace std; int main (){ int n,m; cin>>n>>m; vector<vector<int>> v(100005); for(int i=0;i<n;i++){ int d,val; cin>>d>>val; v[d].push_back(val); } long long int ans=0; priority_queue<int> q; for(int i=1;i<=m;i++){ for(int j=0;j<v[i].size();j++) q.push(v[i][j]); if(!q.empty()) ans+=q.top(),q.pop(); } cout<<ans; return 0; }
0
CPP
n=int(input()) a=[] b=[] for i in range(n): a.append(int(input())) for i in set(a): b.append(i) if len(b) == 2 and a.count(b[0]) == a.count(b[1]): print("YES") print(b[0],end=" ") #print(end=" ") print(b[1]) else: print("NO")
7
PYTHON3
#include <bits/stdc++.h> using namespace std; struct two_sat { static const int MAXV = 1.1e6; int V; vector<int> implies[MAXV * 2]; int new_var() { assert(V < MAXV); return ((V++) * 2 + 1); } inline int n(int a) { return a ^ 1; } void constrain(int a, int b) { if (a < 0 || b < 0) return; implies[a].push_back(b); implies[n(b)].push_back(n(a)); } int make_and(int a, int b) { if (a < 0) return b; if (b < 0) return a; int v = new_var(); constrain(v, a); constrain(v, b); return v; } int make_or(int a, int b) { if (a < 0) return b; if (b < 0) return a; int v = new_var(); constrain(a, v); constrain(b, v); return v; } int make_at_most_one(int a, int b) { if (a < 0) return b; if (b < 0) return a; constrain(a, n(b)); return make_or(a, b); } bool solution[MAXV * 2]; bool vis[2][MAXV * 2]; int q[2][MAXV * 2]; bool solve() { for (int i = 0; i < 2 * V; i++) { solution[i] = false; vis[0][i] = vis[1][i] = false; } for (int i = 0; i < V; i++) { if (!solution[2 * i + 0] && !solution[2 * i + 1]) { bool bad[2] = {false, false}; int qs[2] = {0, 0}; int qi[2] = {0, 0}; int qt[2] = {0, 0}; for (int z = 0; z < 2; z++) { vis[z][2 * i + z] = true; q[z][qt[z]++] = 2 * i + z; } while (true) { if (bad[0] && bad[1]) { return false; } for (int z = 0; z < 2; z++) { if (bad[z]) continue; if (qs[z] >= qt[z]) { for (int ind = 0; ind < qt[z]; ind++) { solution[q[z][ind]] = true; } bad[!z] = true; goto done; } int v = q[z][qs[z]]; if (qi[z] == int(implies[v].size())) { qs[z]++; qi[z] = 0; continue; } int u = implies[v][qi[z]]; assert(!solution[n(u)]); if (vis[z][n(u)]) { bad[z] = true; } else if (!solution[u] && !vis[z][u]) { vis[z][u] = true; q[z][qt[z]++] = u; } qi[z]++; } } done: assert(bad[0] + bad[1] == 1); for (int z = 0; z < 2; z++) { for (int ind = 0; ind < qt[z]; ind++) { vis[z][q[z][ind]] = false; } } } assert(solution[2 * i + 0] + solution[2 * i + 1] == 1); } return true; } } ts; const int MAXN = int(1e5) + 20; int N; vector<int> adj[MAXN]; int depth[MAXN]; int par[MAXN][20]; int sz[MAXN]; int lca(int a, int b) { if (depth[a] != depth[b]) { if (depth[a] > depth[b]) swap(a, b); assert(depth[b] > depth[a]); int d = depth[b] - depth[a]; assert(d > 0); for (int i = 0; (1 << i) <= d; i++) { if (d & (1 << i)) b = par[b][i]; } } if (a == b) return a; int i = 0; while (par[a][i] != par[b][i]) i++; assert(par[a][i] == par[b][i]); for (; i > 0; i--) { assert(par[a][i] == par[b][i]); if (par[a][i - 1] != par[b][i - 1]) { a = par[a][i - 1]; b = par[b][i - 1]; } assert(par[a][i - 1] == par[b][i - 1]); } return par[a][0]; } void dfs_lca(int cur, int prv = 0) { depth[cur] = depth[prv] + 1; par[cur][0] = prv; for (int i = 0; par[cur][i] != 0; i++) { par[cur][i + 1] = par[par[cur][i]][i]; } sz[cur] = 1; for (int nxt : adj[cur]) { if (nxt == prv) continue; dfs_lca(nxt, cur); sz[cur] += sz[nxt]; } } int hld_ind[MAXN]; int hld_top[MAXN]; void dfs_hld(int cur = 1, int prv = 0, int hpar = 1, int ind = 1) { hld_ind[cur] = ind; hld_top[cur] = hpar; ind++; for (int nxt : adj[cur]) { if (nxt == prv) continue; if (sz[nxt] * 2 >= sz[cur]) { dfs_hld(nxt, cur, hpar, ind); ind += sz[nxt]; break; } } for (int nxt : adj[cur]) { if (nxt == prv) continue; if (sz[nxt] * 2 >= sz[cur]) { continue; } dfs_hld(nxt, cur, nxt, ind); ind += sz[nxt]; } assert(ind == hld_ind[cur] + sz[cur]); } const int S = 1 << 17; int seg[S * 2]; const int MAXM = 1.1e4; int M; int ant_vars[MAXM]; int main() { scanf("%d", &N); for (int i = 0; i < N - 1; i++) { int u, v; scanf("%d %d", &u, &v); adj[u].push_back(v); adj[v].push_back(u); } depth[0] = 0; dfs_lca(1); hld_ind[0] = 0; hld_top[0] = 0; dfs_hld(); memset(seg, -1, sizeof(seg)); scanf("%d", &M); for (int i = 0; i < M; i++) { int v = ts.new_var(); ant_vars[i] = v; for (int z = 0; z < 2; z++, v = ts.n(v)) { int a[2]; scanf("%d %d", &a[0], &a[1]); int c = lca(a[0], a[1]); for (int y = 0; y < 2; y++) { int cur = a[y]; while (cur != c) { int nxt; int top = hld_top[cur]; int l, r; if (depth[top] > depth[c]) { nxt = par[top][0]; l = hld_ind[top]; r = hld_ind[cur]; } else { assert(hld_top[c] == top); nxt = c; l = hld_ind[c] + 1; r = hld_ind[cur]; } r++; for (l += S, r += S; l < r; l /= 2, r /= 2) { if (l & 1) { seg[l] = ts.make_at_most_one(seg[l], v); l++; } if (r & 1) { r--; seg[r] = ts.make_at_most_one(seg[r], v); } } cur = nxt; } } } } for (int i = S - 1; i > 0; i--) { seg[i] = ts.make_at_most_one(seg[i], ts.make_or(seg[2 * i + 0], seg[2 * i + 1])); } if (ts.solve()) { printf("YES\n"); for (int i = 0; i < M; i++) { printf("%c\n", ts.solution[ant_vars[i]] ? '1' : '2'); } } else { printf("NO\n"); } return 0; }
10
CPP
N = int(input()) a = map(int, input().split()) print(sum(a) - N)
0
PYTHON3
#include<iostream> #include<stdio.h> #include<stdlib.h> #include<algorithm> #include<string> #include<stack> #include<queue> #include<deque> #include<map> #include<vector> #include<set> using namespace std; typedef long long ll; typedef long double ld; typedef vector<ll> vl; #define eb emplace_back #define all(x) begin(x), end(x) #define FOR(i, a, b) for(ll i=(a); i<=(b); i++) #define ROF(i, a, b) for(ll i=(a); i>=(b); i--) #define chkmax(x, a) x = max(x, a) #define chkmin(x, a) x = min(x, a) ll fillable, any, na, nb; void insert(queue<ll>& a, queue<ll>& x, ll ts, ll ti, ll dstSz) { FOR(i, 1, ts) { if (a.size() != dstSz) a.emplace(ti); else x.emplace(ti); } } void solve(){ ll n, nc; cin >> n >> nc; ll t; vector<pair<ll, ll>> c; FOR(i, 1, nc) cin >> t, c.eb(t, i); sort(all(c), greater<pair<ll, ll>>()); ll lo = 1, hi = 1000; while (lo < hi) { ll mi = lo + hi >> 1; fillable = mi * mi - (mi / 2) * (mi / 2); any = ((mi + 1) / 2) * ((mi + 1) / 2); na = nb = ((mi + 1) / 2) * (mi / 2); if (fillable >= n && na + any >= c[0].first) hi = mi; else lo = mi + 1; } fillable = lo * lo - (lo / 2) * (lo / 2); any = ((lo + 1) / 2) * ((lo + 1) / 2); na = nb = ((lo + 1) / 2) * (lo / 2); vector<vl> m(lo + 1, vl(lo+1)); queue<ll> a, b, x; for (auto [ts, ti]: c) { if (a.size() != na) insert(a, x, ts, ti, na); else insert(b, x, ts, ti, nb); } cout << lo << endl; FOR(i, 1, lo) { FOR(j, 1, lo) { if (i % 2 && j % 2 && x.size()) m[i][j] = x.front(), x.pop(); else if (i % 2 && j % 2 == 0 && a.size()) m[i][j] = a.front(), a.pop(); else if (i % 2 == 0 && j % 2 && b.size()) m[i][j] = b.front(), b.pop(); cout << m[i][j] << " "; } cout << "\n"; } cout.flush(); } int main(){ ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); ll T = 1; cin >> T; while (T--) solve(); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; const long long mx = 1e5 + 666; const long long mod = 1e9 + 7; const long long inf = 1e7; const int llg = 18; long long power(long long a, long long b) { if (b == 0) return 1; if (b % 2) return a * power(a, b - 1) % mod; else return power(a * a % mod, b / 2); } long long n, cn = 1, a[mx], dis[mx], par[mx], ans = inf; vector<long long> g[mx]; int dij() { for (int i = 1; i < cn + 1; i++) { fill(dis, dis + cn + 6, inf); fill(par, par + cn + 6, -1); queue<long long> q; dis[i] = 0; q.push(i); while (!q.empty()) { int u = q.front(); q.pop(); for (auto v : g[u]) { if (dis[v] == inf) { dis[v] = dis[u] + 1; par[v] = u; q.push(v); } if (v != par[u] && par[v] != u) ans = min(ans, dis[v] + dis[u] + 1); } } } if (ans == inf) return -1; else return ans; } int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); cin >> n; for (int i = 1; i < n + 1; i++) { long long x; cin >> x; if (x > 0) { a[cn] = x; cn++; } } if (cn > 128) cout << 3; else { for (int i = 1; i < cn + 1; i++) { dis[i] = inf; par[i] = -1; for (int j = i + 1; j < cn + 1; j++) { long long x = a[i] & a[j]; if (x != 0) { g[i].push_back(j); g[j].push_back(i); } } } cout << dij(); } }
8
CPP
n = int(input()) a = [int(e) for e in input().split()] if 1 in a: print('HARD') else: print('EASY')
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); }; int n, k; cin >> n >> k; if (k < 3 * n) { cout << 3 * n - k; } else { cout << "0"; } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; queue<pair<int, int> > q; int n, m; vector<int> AdjList[300001], re[300001]; int deg[300001]; int f[300001], p[300001]; int in[300001], out[300001]; int L[300001], R[300001], id[300011]; bool vis[300001], on_P[300001]; vector<int> P, S; int main() { ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); cin >> n >> m; while (m--) { int u, v; cin >> u >> v; AdjList[u].push_back(v); re[v].push_back(u); deg[v]++; } for (int i = 1; i <= n; i++) if (!deg[i]) { q.push(pair<int, int>(i, 1)); f[i] = 1; } while (!q.empty()) { int u = q.front().first; int x = q.front().second; q.pop(); for (int i = 0; i < AdjList[u].size(); i++) { int v = AdjList[u][i]; deg[v]--; if (x + 1 > f[v]) { f[v] = x + 1; p[v] = u; } if (!deg[v]) q.push(pair<int, int>(v, f[v])); } } int ed = -1, mx = 0; for (int i = 1; i <= n; i++) if (f[i] > mx) { ed = i; mx = f[i]; } while (ed) { on_P[ed] = true; P.push_back(ed); ed = p[ed]; } reverse(P.begin(), P.end()); queue<int> cal_l, cal_r; for (int i = 1; i <= n; i++) { L[i] = P.size(); R[i] = -1; } int pre = 0; for (int i = 1; i <= n; i++) vis[i] = false; for (int i = P.size() - 1; i >= 0; i--) { int st = P[i]; cal_r.push(st); vis[st] = true; while (!cal_r.empty()) { int u = cal_r.front(); cal_r.pop(); out[st]++; for (int j = 0; j < AdjList[u].size(); j++) { int v = AdjList[u][j]; if (!vis[v] && !on_P[v]) { vis[v] = true; R[v] = i; cal_r.push(v); } } } out[st] += out[pre]; pre = st; } pre = 0; for (int i = 1; i <= n; i++) vis[i] = false; for (int i = 0; i < P.size(); i++) { int st = P[i]; cal_l.push(st); vis[st] = true; while (!cal_l.empty()) { int u = cal_l.front(); cal_l.pop(); in[st]++; for (int j = 0; j < re[u].size(); j++) { int v = re[u][j]; if (!vis[v] && !on_P[v]) { vis[v] = true; L[v] = i; cal_l.push(v); } } } in[st] += in[pre]; pre = st; } for (int i = 1; i <= n; i++) if (!on_P[i] && (L[i] - 2 == R[i])) { if (id[L[i]]) id[L[i]] = -1; else if (!id[L[i]]) id[L[i]] = i; } for (int i = 1; i <= n; i++) if (!on_P[i]) in[i] = out[i] = 1; queue<int> CurrList; for (int i = 1; i <= n; i++) vis[i] = false; for (int i = P.size() - 1; i >= 0; i--) { int u = P[i]; CurrList.push(u); vis[u] = true; while (!CurrList.empty()) { int cur = CurrList.front(); CurrList.pop(); for (int j = 0; j < AdjList[cur].size(); j++) { int v = AdjList[cur][j]; if (!on_P[v] && !vis[v]) { vis[v] = true; CurrList.push(v); } } } if (id[i] >= 1) { out[id[i]] += out[u]; CurrList.push(id[i]); vector<int> tmp; vis[id[i]] = true; while (!CurrList.empty()) { int cur = CurrList.front(); CurrList.pop(); tmp.push_back(cur); for (int j = 0; j < AdjList[cur].size(); j++) { int v = AdjList[cur][j]; if (!on_P[v] && !vis[v]) { vis[v] = true; out[id[i]]++; CurrList.push(v); } } } for (int i = 0; i < tmp.size(); i++) vis[tmp[i]] = false; } } for (int i = 1; i <= n; i++) vis[i] = false; for (int i = 0; i < P.size(); i++) { int u = P[i]; CurrList.push(u); vis[u] = true; while (!CurrList.empty()) { int cur = CurrList.front(); CurrList.pop(); for (int j = 0; j < re[cur].size(); j++) { int v = re[cur][j]; if (!on_P[v] && !vis[v]) { vis[v] = true; CurrList.push(v); } } } if (id[i + 2] >= 1) { in[id[i + 2]] += in[u]; CurrList.push(id[i + 2]); vector<int> tmp; vis[id[i + 2]] = true; while (!CurrList.empty()) { int cur = CurrList.front(); CurrList.pop(); tmp.push_back(cur); for (int j = 0; j < re[cur].size(); j++) { int v = re[cur][j]; if (!on_P[v] && !vis[v]) { vis[v] = true; in[id[i + 2]]++; CurrList.push(v); } } } for (int i = 0; i < tmp.size(); i++) vis[tmp[i]] = false; } } int res = 0; for (int i = 1; i <= n; i++) if ((in[i] + out[i] == n) || (in[i] + out[i] == n + 1)) res++; cout << res; }
12
CPP
#include <bits/stdc++.h> using namespace std; const int mod = 1e9 + 7; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); ; string a; cin >> a; int n = a.length(), i, j; if (n <= 2) { cout << a << "\n"; return 0; } for (i = 2; i < n;) { for (j = 0; j < 3; j++) { if ((a[i - j] == 'a' || a[i - j] == 'e' || a[i - j] == 'i' || a[i - j] == 'o' || a[i - j] == 'u')) break; } if (j == 3 && !(a[i] == a[i - 1] && a[i - 1] == a[i - 2])) { cout << a[i - 2] << a[i - 1]; cout << " "; if (i + 2 >= n) break; i += 2; } else { cout << a[i - 2]; i++; if (i == n) cout << a[i - 2] << a[i - 1]; } } for (; i < n; i++) { cout << a[i]; } cout << "\n"; }
9
CPP
s=list(map(int,input().split(" "))) print(4-len(set(s)))
7
PYTHON3
x1,y1,x2,y2=map(int,input().split()) if x1==x2: y=y2-y1 print(x1+y,y1,x2+y,y2) elif y1==y2: x=x2-x1 print(x1,y1+x,x2,y2+x) else: if abs(x1-x2)==abs(y1-y2): print(x1,y2,x2,y1) else: print(-1)
7
PYTHON3
#!usr/bin/env python3 from collections import defaultdict,deque from heapq import heappush, heappop import sys import math import bisect import random def LI(): return [int(x) for x in sys.stdin.readline().split()] def I(): return int(sys.stdin.readline()) def LS():return [list(x) for x in sys.stdin.readline().split()] def S(): return list(sys.stdin.readline())[:-1] def IR(n): return [I() for i in range(n)] def LIR(n): return [LI() for i in range(n)] def SR(n): return [S() for i in range(n)] def LSR(n): return [LS() for i in range(n)] sys.setrecursionlimit(1000000) mod = 1000000007 #2005_c """ n = int(input()) k = list("mcxi") for i in range(n): d = {"m":0,"c":0,"x":0,"i":0} a,b = input().split() a = list(a) b = list(b) a.insert(0,1) b.insert(0,1) for j in range(1,len(a)): if a[j] in k: if a[j-1] in k: d[a[j]] += 1 else: d[a[j]] += int(a[j-1]) for j in range(1,len(b))[::-1]: if b[j] in k: if b[j-1] in k: d[b[j]] += 1 else: d[b[j]] += int(b[j-1]) if d[b[j]] >= 10: l = b[j] while d[l] >= 10: d[l] -= 10 l = k[k.index(l)-1] d[l] += 1 for j in k: if d[j]: if d[j] == 1: print(j,end = "") else: print(str(d[j])+j,end = "") print() """ #2017_c """ while 1: h, w = map(int, input().split()) if h == w == 0: break s = [list(map(int, input().split())) for i in range(h)] ans = 0 for u in range(h): for d in range(u+2,h): for l in range(w): for r in range(l+2,w): m = float("inf") for i in range(u,d+1): m = min(m,s[i][l],s[i][r]) for i in range(l,r+1): m = min(m,s[u][i],s[d][i]) f = 1 su = 0 for i in range(u+1,d): for j in range(l+1,r): su += (m-s[i][j]) if s[i][j] >= m: f = 0 break if not f: break if f: ans = max(ans,su) print(ans) """ #2016_c """ while 1: m,n = map(int, input().split()) if m == n == 0: break ma = 7368791 d = [0]*(ma+1) z = m for i in range(n): while d[z]: z += 1 j = z while j <= ma: d[j] = 1 j += z for j in range(z,ma+1): if not d[j]: print(j) break """ #2018_c """ def factorize(n): if n < 4: return [1,n] i = 2 l = [1] while i**2 <= n: if n%i == 0: l.append(i) if n//i != i: l.append(n//i) i += 1 l.append(n) l.sort() return l while 1: b = int(input()) if b == 0: break f = factorize(2*b) for n in f[::-1]: a = 1-n+(2*b)//n if a >= 1 and a%2 == 0: print(a//2,n) break """ #2010_c """ import sys dp = [100]*1000000 dp_2 = [100]*1000000 dp[0] = 0 dp_2[0] = 0 for i in range(1,181): s = i*(i+1)*(i+2)//6 for j in range(s,1000000): if dp[j-s]+1 < dp[j]: dp[j] = dp[j-s]+1 if s%2: for j in range(s,1000000): if dp_2[j-s]+1 < dp_2[j]: dp_2[j] = dp_2[j-s]+1 while 1: m = int(sys.stdin.readline()) if m == 0: break print(dp[m],dp_2[m]) """ #2015_c """ from collections import deque while 1: n = int(input()) if n == 0: break s = [input() for i in range(n)] d = [s[i].count(".") for i in range(n)] m = max(d) c = [s[i][-1] for i in range(n)] q = deque() for i in range(1,m+1)[::-1]: j = 0 while j < n: for k in range(j,n): if d[k] == i:break else: break j = k op = c[j-1] while j < n and d[j] == i: q.append(j) j += 1 j = k if op == "+": k = 0 while q: x = q.pop() k += int(c[x]) c.pop(x) d.pop(x) n -= 1 else: k = 1 while q: x = q.pop() k *= int(c[x]) c.pop(x) d.pop(x) n -= 1 c[j-1] = k print(c[0]) """ #2013_c """ from collections import defaultdict def parse_expr(s,i): i += 1 if s[i] == "[": q = [] while s[i] != "]": e,i = parse_expr(s,i) q.append(e) return (calc(q),i+1) else: n,i = parse_num(s,i) return (calc([n]),i+1) def parse_num(s,i): m = int(s[i]) i += 1 while f_num[s[i]]: m *= 10 m += int(s[i]) i += 1 return (m,i) def calc(q): if len(q) == 1: return (q[0]+1)//2 q.sort() return sum(q[:len(q)//2+1]) f_num = defaultdict(lambda : 0) for i in range(10): f_num[str(i)] = 1 n = int(input()) for i in range(n): s = input() print(parse_expr(s,0)[0]) """ #2003_C """ while 1: w,h = LI() if w == h == 0: break s = SR(h) dp = [[0]*w for i in range(h)] for y in range(h): for x in range(w): if s[y][x].isdecimal(): dp[y][x] = max(dp[y-1][x],dp[y][x-1])*10+int(s[y][x]) ans = 0 for i in dp: ans = max(ans,max(i)) print(ans) """ #2008_C """def parse_formula(s,i): if s[i] == "-": i += 1 e,i = parse_formula(s,i) return 2-e,i elif s[i] == "(": i += 1 e1,i = parse_formula(s,i) op = s[i] i += 1 e2,i = parse_formula(s,i) i += 1 return calc(op,e1,e2),i else: return int(s[i]),i+1 def calc(op,a,b): if op == "*": return min(a,b) else: return max(a,b) while 1: s = S() if s[0] == ".": break t = [] f = defaultdict(int) for p in range(3): f["P"] = p for q in range(3): f["Q"] = q for r in range(3): f["R"] = r t.append([f[s[i]] if s[i] in "PQR" else s[i] for i in range(len(s))]) ans = 0 for s in t: if parse_formula(s,0)[0] == 2: ans += 1 print(ans) """ #2011_C """ d = [(1,0),(-1,0),(0,1),(0,-1)] def dfs(dep,s): global ans if dep == 5: b = bfs(s) m = 0 for i in b: m += sum(i) ans = max(ans, m) else: if dep < 4: for i in range(6): b = bfs(s) dfs(dep+1,[[i+1 if b[y][x] else s[y][x] for x in range(w)] for y in range(h)]) else: b = bfs(s) dfs(dep+1,[[c if b[y][x] else s[y][x] for x in range(w)] for y in range(h)]) def bfs(s): b = [[0]*w for i in range(h)] b[0][0] = 1 q = deque([(0,0)]) while q: y,x = q.popleft() for dy,dx in d: y_ = y+dy x_ = x+dx if 0 <= y_ < h and 0 <= x_ < w: if not b[y_][x_] and s[y_][x_] == s[0][0]: b[y_][x_] = 1 q.append((y_,x_)) return b while 1: h,w,c = LI() if h == 0: break s = LIR(h) ans = 0 dfs(0,s) print(ans) """ #2012_C def make_dice(t,f): if t == 1: if f == 2: return [t,f,3,7-f,4,7-t] if f == 3: return [t,f,5,7-f,2,7-t] if f == 5: return [t,f,4,7-f,3,7-t] if f == 4: return [t,f,2,7-f,5,7-t] if t == 2: if f == 1: return [t,f,4,7-f,3,7-t] if f == 4: return [t,f,6,7-f,1,7-t] if f == 6: return [t,f,3,7-f,4,7-t] if f == 3: return [t,f,1,7-f,6,7-t] if t == 3: if f == 1: return [t,f,2,7-f,5,7-t] if f == 2: return [t,f,6,7-f,1,7-t] if f == 6: return [t,f,5,7-f,2,7-t] if f == 5: return [t,f,1,7-f,6,7-t] if t == 4: if f == 1: return [t,f,5,7-f,2,7-t] if f == 5: return [t,f,6,7-f,1,7-t] if f == 6: return [t,f,2,7-f,5,7-t] if f == 2: return [t,f,1,7-f,6,7-t] if t == 5: if f == 1: return [t,f,3,7-f,4,7-t] if f == 3: return [t,f,6,7-f,1,7-t] if f == 6: return [t,f,4,7-f,3,7-t] if f == 4: return [t,f,1,7-f,6,7-t] if t == 6: if f == 2: return [t,f,4,7-f,3,7-t] if f == 4: return [t,f,5,7-f,2,7-t] if f == 5: return [t,f,3,7-f,4,7-t] if f == 3: return [t,f,2,7-f,5,7-t] dy = [0,-1,0,1,0,0] dx = [0,0,1,0,-1,0] def Set(s,dice): z,y,x = fall(s,dice,99,99) dir = check(s,z,y,x,dice) while dir: s[z][y][x] = 0 dice = rotate(dice,dir) z,y,x = fall(s,dice,y+dy[dir],x+dx[dir]) dir = check(s,z,y,x,dice) def fall(s,dice,y,x): for z in range(100): if s[z][y][x] == 0: s[z][y][x] = dice[0] return z,y,x def check(s,z,y,x,dice): if z == 0: return 0 for c in (6,5,4): dir = dice.index(c) if s[z][y+dy[dir]][x+dx[dir]] == 0 and s[z-1][y+dy[dir]][x+dx[dir]] == 0 : return dir return 0 def rotate(dice,dir): if dir == 1: return [dice[3],dice[0],dice[2],dice[5],dice[4],dice[1]] if dir == 2: return [dice[4],dice[1],dice[0],dice[3],dice[5],dice[2]] if dir == 3: return [dice[1],dice[5],dice[2],dice[0],dice[4],dice[3]] else: return [dice[2],dice[1],dice[5],dice[3],dice[0],dice[4]] while 1: n = I() if n == 0: break s = [[[0]*200 for i in range(200)] for j in range(100)] for i in range(n): t,f = LI() dice = make_dice(t,f) Set(s,dice) d = {0:0,1:0,2:0,3:0,4:0,5:0,6:0} for y in range(200): for x in range(200): for z in range(100): if s[z][y][x] == 0: break d[s[z-1][y][x]] += 1 for i in range(1,6): print(d[i],end = " ") print(d[6])
0
PYTHON3
n=int(input()) l=list(map(int,input().split())) sum1=0 avg=0.0 for i in l: sum1=sum1+i avg=sum1/n print(avg)
8
PYTHON3
s = input() for i in 'HQ9': if i in s: print('YES') quit(0) print('NO')
7
PYTHON3
I=lambda:list(map(int,input().split()));n,m=I();l=[I()[::-1]+[i]for i in range(m)];c=[0]*-~n;a=[0]*m for y,p,i in sorted(l):c[p]+=1;a[i]='%06d'%p+'%06d'%c[p] for t in a:print(t)
0
PYTHON3
def find(n, l, r, x, contests, lista): if n == 0: s = sum(lista) if s >= l and s <= r and max(lista)-min(lista) >= x: return 1 else: return 0 c = 0 for i in range(len(contests)): c += find(n-1, l, r, x, contests[i+1:], lista+[contests[i],]) return c n, l, r, x = list(map(int, input().split())) contests = list(map(int, input().split())) c = 0 for i in range(2, n+1): c += find(i, l, r, x, contests, []) print(c)
8
PYTHON3
#include <bits/stdc++.h> using namespace std; class point { public: int x, y; } p[100010], q[100010]; int cmp1(const point &A, const point &B) { return A.x < B.x || (A.x == B.x && A.y < B.y); } int cmp2(const point &A, const point &B) { return A.y < B.y || (A.y == B.y && A.x < B.x); } int n, col[100010]; long long solve() { copy(p, p + n, q); sort(q, q + n, cmp2); long long ret = 0; for (int i = 1; i < n; i++) ret += 2ll * min(i, n - i) * (q[i].y - q[i - 1].y); int mid = n >> 1; if (n & 1) { for (int i = 0; i < n; i++) { if (q[i].x < p[mid].x) col[i] = 0; else if (q[i].x > p[mid].x) col[i] = 1; else col[i] = -1; } int it; int cur = -1; for (it = 0; it < mid; it++) { if (col[it] != -1) { if (cur != -1 && cur != col[it]) break; cur = col[it]; } } if (it < mid) goto cont; ++it; for (; it < n; it++) { if (col[it] != -1) { if (cur != -1 && col[it] == cur) break; cur = !col[it]; } } cont: if (!(it == n || col[mid] != -1)) ret += 2ll * max(q[mid - 1].y - q[mid].y, q[mid].y - q[mid + 1].y); return ret; } else { for (int i = 0; i < n; i++) { if (q[i].x < p[mid].x) col[i] = 0; else if (q[i].x > p[mid - 1].x) col[i] = 1; else col[i] = -1; } int cur = -1, it; for (it = 0; it < mid; it++) { if (col[it] != -1) { if (cur != -1 && cur != col[it]) break; cur = col[it]; } } if (it < mid) goto cont2; for (; it < n; it++) { if (col[it] != -1) { if (cur != -1 && cur == col[it]) break; cur = !col[it]; } } cont2: if (it != n) ret += 2ll * (q[mid - 1].y - q[mid].y); return ret; } } int main() { scanf("%d", &n); for (int i = 0; i < n; i++) scanf("%d%d", &p[i].x, &p[i].y); sort(p, p + n, cmp1); long long ans = 0; long long cur = 0; for (int i = 1; i < n; i++) cur += 2ll * min(i, n - i) * (p[i].x - p[i - 1].x); ans = cur + solve(); for (int i = 0; i < n; i++) swap(p[i].x, p[i].y); sort(p, p + n, cmp1); cur = 0; for (int i = 1; i < n; i++) cur += 2ll * min(i, n - i) * (p[i].x - p[i - 1].x); ans = max(ans, cur + solve()); printf("%lld\n", ans); return 0; }
11
CPP
""" :Created by: Peter Thomas :Created on: 23/03/17 """ def createLanternArray(lanterns): outputArray = [] lanternsList = lanterns.split(" ") for item in lanternsList: outputArray.append(int(item)) return outputArray def selection_sort(the_array): """ :param the_array: :return: """ for k in range(len(the_array) - 1): minimum = k for j in range(k, len(the_array)): if the_array[j] < the_array[minimum]: minimum = j swap(the_array, minimum, k) def find_distance(lanterns, length): max = 0 for k in range(len(lanterns) - 1): if lanterns[k + 1] - lanterns[k] > max: max = lanterns[k + 1] - lanterns[k] if lanterns[0] * 2 > max: max = lanterns[0] * 2 if (length - lanterns[-1])*2 > max: max = (length - lanterns[-1]) * 2 return max def swap(the_array, a, b): """ :param the_array: :param a: :param b: :return: """ temp = the_array[a] the_array[a] = the_array[b] the_array[b] = temp if __name__ == "__main__": inString1 = input() numberOfLanterns = int(inString1.split(" ")[0]) length = int(inString1.split(" ")[1]) lanternString = input() lanternArray = createLanternArray(lanternString) selection_sort(lanternArray) max_distance = find_distance(lanternArray, length) print(max_distance/2)
8
PYTHON3
#include <iostream> #include <cstdio> #include <cassert> #include <cstring> #include <vector> #include <valarray> #include <array> #include <queue> #include <set> #include <unordered_set> #include <map> #include <unordered_map> #include <algorithm> #include <cmath> #include <complex> #include <random> #include <bitset> using namespace std; typedef long long ll; typedef unsigned long long ull; /** * hash???????????????UnionFind ????´???°???16????????????????????¨?????????????????? */ template<int N> struct SUnionFind { int i2g[N]; SUnionFind() { for (int i = 0; i < N; i++) { i2g[i] = i; } } SUnionFind(ull hs) { for (int i = 0; i < N; i++) { i2g[i] = hs & 0xf; hs >>= 4; } } void merge(int x, int y) { int xg = i2g[x], yg = i2g[y]; for (int i = 0; i < N; i++) { if (i2g[i] == yg) i2g[i] = xg; } } bool same(int x, int y) { return i2g[x] == i2g[y]; } ull hash() { int b[N]; memset(b, -1, sizeof(b)); int c = 0; ull hs = 0; for (int i = N-1; i >= 0; i--) { hs <<= 4; if (b[i2g[i]] == -1) { b[i2g[i]] = c; c++; } hs += b[i2g[i]]; } return hs; } }; typedef SUnionFind<14> UF; typedef pair<ull, double> P; struct MyCmp { bool operator()(const P &l, const P &r) const { return l.first < r.first; } }; int main() { int n, m, pp; cin >> n >> m >> pp; double p = pp / 100.0; int g[14]= {}; for (int i = 0; i < m; i++) { int a, b; cin >> a >> b; a--; b--; if (a > b) swap(a, b); g[a] |= (1<<b); } vector<P> mp; mp.push_back(P(UF().hash(), 1.0)); for (int i = 0; i < n-1; i++) { for (int j = i+1; j < n; j++) { if (!(g[i] & (1<<j))) continue; mp.reserve(mp.size()*2); int S = (int)mp.size(); for (int k = 0; k < S; k++) { ull d; double r; tie(d, r) = mp[k]; UF uf(d); uf.merge(i, j); mp[k].second *= p; mp.push_back(P(uf.hash(), r*(1-p))); } if (!mp.size()) continue; sort(mp.begin(), mp.end(), MyCmp()); int l = 0; for (int k = 1; k < (int)mp.size(); k++) { if (mp[l].first != mp[k].first) { l++; mp[l] = mp[k]; } else { mp[l].second += mp[k].second; } } l++; mp.resize(l); } int nn = 0; int S = (int)mp.size(); for (int k = 0; k < S; k++) { P p = mp[k]; UF uf(p.first); bool f = false; for (int j = i+1; j < n; j++) { if (uf.same(i, j)) { f = true; break; } } if (!f) continue; UF uf2; for (int j = i+1; j < n; j++) { for (int k = j+1; k < n; k++) { if (uf.same(j, k)) uf2.merge(j, k); } } mp[nn] = P(uf2.hash(), p.second); nn++; } mp.resize(nn); if (!mp.size()) continue; sort(mp.begin(), mp.end(), MyCmp()); int l = 0; for (int k = 1; k < (int)mp.size(); k++) { if (mp[l].first != mp[k].first) { l++; mp[l] = mp[k]; } else { mp[l].second += mp[k].second; } } l++; mp.resize(l); } double res = 0; for (auto p : mp) { res += p.second; } printf("%.20lf\n", res); return 0; }
0
CPP
#include <bits/stdc++.h> using namespace std; int main() { int t; cin >> t; while (t--) { int n; cin >> n; vector<int> woo(n); for (int i = 0; i < n; i++) cin >> woo[i]; vector<int> rooms(n, 0); bool no = 0; for (int i = 0; i < n; i++) { int num = (woo[i] + i) % n; if (num < 0) num += n; if (rooms[num] > 0) { no = 1; break; } rooms[num]++; } if (no) cout << "NO" << endl; else cout << "YES" << endl; } return 0; }
7
CPP
#include<bits/stdc++.h> using namespace std; #define N 100011 typedef struct{ int to,nxt; }edge; edge e[N<<1]; queue<int> q; int cnt,head[N<<1],dep[N],fa[N],siz[N],vis[N],ans,a,b,n,st,ed,sta[N],top; int p1[N],p2[N],np[N],val[N]; void add(int a,int b){ cnt++; e[cnt].to=b; e[cnt].nxt=head[a]; head[a]=cnt; } void bfs(int s){ dep[s]=1; q.push(s); while(!q.empty()){ int o=q.front();q.pop(); for(int i=head[o];i!=-1;i=e[i].nxt){ int v=e[i].to; if(!dep[v]){ dep[v]=dep[o]+1; q.push(v); } } } } void dfs(int u,int f){ fa[u]=f; for(int i=head[u];i!=-1;i=e[i].nxt){ int v=e[i].to; if(v==f) continue; dfs(v,u); } } int main(){ memset(head,-1,sizeof(head)); scanf("%d",&n); for(int i=1;i<=n-1;i++){ scanf("%d%d",&a,&b); add(a,b);add(b,a); } bfs(1);int mx=0; for(int i=1;i<=n;i++) if(mx<dep[i]){ mx=dep[i]; st=i; } memset(dep,0,sizeof(dep)); bfs(st);mx=0; for(int i=1;i<=n;i++) if(mx<dep[i]){ mx=dep[i];ed=i; } dfs(st,0); int x=ed; while(x){ vis[x]=2; for(int i=head[x];i!=-1;i=e[i].nxt){ int v=e[i].to; if(v==fa[x]) continue; if(!vis[v]) vis[v]=1; } x=fa[x]; } for(int i=1;i<=n;i++) if(!vis[i]){ printf("-1\n"); return 0; } for(int i=1;i<=n;i++){ if(vis[i]==1){ val[fa[i]]++; } } x=ed; while(x){ sta[++top]=val[x]+1; x=fa[x]; } int ccnt=0; for(int i=1;i<=top;i++){ np[ccnt+1]=ccnt+sta[i]; for(int j=1;j<=sta[i]-1;j++) np[ccnt+1+j]=ccnt+j; ccnt+=sta[i]; } for(int i=1;i<=n;i++) p1[np[i]]=i; ccnt=0; for(int i=top;i>=1;i--){ np[ccnt+1]=ccnt+sta[i]; for(int j=1;j<=sta[i]-1;j++) np[ccnt+1+j]=ccnt+j; ccnt+=sta[i]; } for(int i=1;i<=n;i++) p2[np[i]]=i; for(int i=1;i<=n;i++) if(p1[i]>p2[i]){ for(int j=1;j<=n;j++) printf("%d ",p2[j]); printf("\n"); return 0; }else if(p1[i]<p2[i]){ for(int j=1;j<=n;j++) printf("%d ",p1[j]); printf("\n"); return 0; } for(int i=1;i<=n;i++) printf("%d ",p1[i]); printf("\n"); }
0
CPP
import sys input=sys.stdin.buffer.readline mod=10**9+7 n,m=map(int,input().split()) *x,=map(int,input().split()) *y,=map(int,input().split()) xd=[i-j for j,i in zip(x,x[1:])] yd=[i-j for j,i in zip(y,y[1:])] xs=ys=0 for i,d in enumerate(xd): xs+=d*(i+1)*(n-1-i)%mod xs%=mod for i,d in enumerate(yd): ys+=d*(i+1)*(m-1-i)%mod ys%=mod print(xs*ys%mod)
0
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { int t, n; cin >> t; while (t--) { long long int a[51], b[51], ma = INT_MAX, mb = INT_MAX, sum = 0; bool flag = true; cin >> n; for (int i = 0; i < n; i++) { cin >> a[i]; ma = min(ma, a[i]); } for (int i = 0; i < n; i++) { cin >> b[i]; mb = min(mb, b[i]); } for (int i = 0; i < n; i++) { a[i] = a[i] - ma; b[i] = b[i] - mb; sum += max(a[i], b[i]); } cout << sum << endl; } return 0; }
8
CPP
#include <bits/stdc++.h> using namespace std; const int I = 0x3f3f3f3f; int main() { int a, b, c, d, x, y, n; a = b = c = d = -I; cin >> n; while (n--) { cin >> x >> y; a = max(a, x + y); b = max(b, x - y); c = max(c, y - x); d = max(d, -x - y); } cout << a + b + c + d + 4; return 0; }
9
CPP
''' Auther: ghoshashis545 Ashis Ghosh College: Jalpaiguri Govt Enggineering College ''' from os import path from io import BytesIO, IOBase import sys from heapq import heappush,heappop from functools import cmp_to_key as ctk from collections import deque,Counter,defaultdict as dd from bisect import bisect,bisect_left,bisect_right,insort,insort_left,insort_right from itertools import permutations from datetime import datetime from math import ceil,sqrt,log,gcd def ii():return int(input()) def si():return input().rstrip() def mi():return map(int,input().split()) def li():return list(mi()) abc='abcdefghijklmnopqrstuvwxyz' mod=1000000007 #mod=998244353 inf = float("inf") vow=['a','e','i','o','u'] dx,dy=[-1,1,0,0],[0,0,1,-1] def bo(i): return ord(i)-ord('0') file = 1 def ceil(a,b): return (a+b-1)//b def solve(): # for n in range(1,ii()+1): n = ii() p = 1 x = [] for i in range(1,n): if gcd(i,n)==1: x.append(i) p *= i p %= n if p!=1: x.remove(p) print(len(x)) print(*x) if __name__ =="__main__": if(file): if path.exists('input.txt'): sys.stdin=open('input.txt', 'r') sys.stdout=open('output.txt','w') else: input=sys.stdin.readline solve()
9
PYTHON3
n,m = map(int,input().split()) a = sorted([int(s) for s in input().split()]) b = [int(s) for s in input().split()] output = [] for i in range(len(b)): lo = 0 hi = n - 1 ans = 0 while (lo <= hi): MiddleNum = lo + ((hi - lo)//2) if a[MiddleNum] <= b[i]: lo = MiddleNum +1 ans = MiddleNum + 1 else: hi = MiddleNum - 1 output.append(ans) print(" ".join(str(i) for i in output))
8
PYTHON3
#include <bits/stdc++.h> #pragma GCC optimize("Ofast,no-stack-protector") #pragma GCC target( \ "sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native") using std::abs; using std::acos; using std::cin; using std::cout; using std::endl; using std::ios; using std::map; using std::max; using std::min; using std::pair; using std::reverse; using std::runtime_error; using std::set; using std::sort; using std::string; using std::swap; using std::vector; const int maxn = 2e5 + 5; const int minn = 2005; const long long mod = 1e9 + 7; const long long mod1 = 998244353; const long double pi = acos(-1.); void solve() { int n; cin >> n; vector<pair<int, int>> a(n); vector<int> answ(n); for (int i = 0; i < n; i++) { cin >> a[i].first; a[i].second = i; } sort(a.begin(), a.end()); int q = 0; int g = 0; for (int i = 0; i < n; i++) { if (a[i].first >= 0) { a[i].first++; a[i].first *= -1; q++; } else if (a[i].first < 0) q++; } sort(a.begin(), a.end()); if (n % 2 == 1) { int gg = -1; int p = 0; int ma = -1000001; int k = 0; for (int i = 0; i < n; i++) { if (a[i].first < -1) { gg = 1; a[i].first = abs(a[i].first) - 1; break; } if (a[i].first == -1) p = i; } if (gg == -1) { a[p].first = 0; } } for (int i = 0; i < n; i++) { answ[a[i].second] = a[i].first; } for (auto x : answ) { cout << x << " "; } } int main() { ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); int t; t = 1; while (t--) { solve(); } cin >> t; return 0; }
8
CPP
#include <bits/stdc++.h> using namespace std; #pragma GCC optimize("Ofast") #pragma GCC target("avx,avx2,fma") const long long int MAXN = 2e5 + 5; const long long int mod = 998244353; const long long int N = 200005; void solve() { int n; cin >> n; vector<long long int> x1(n + 1), y1(n + 1), x2(n + 1), y2(n + 1); vector<long long int> prex1(n + 2), prex2(n + 2), prey1(n + 2), prey2(n + 2), suffx1(n + 2), suffx2(n + 2), suffy1(n + 2), suffy2(n + 2); for (int i = 1; i <= n; i++) { cin >> x1[i] >> y1[i] >> x2[i] >> y2[i]; } prex1[0] = prey1[0] = suffx1[n + 1] = suffy1[n + 1] = -1e10; prex2[0] = prey2[0] = suffx2[n + 1] = suffy2[n + 1] = 1e10; vector<pair<long long int, long long int>> vec1(n), vec2(n); for (int i = 1; i <= n; i++) { prex1[i] = max(prex1[i - 1], x1[i]); prey1[i] = max(prey1[i - 1], y1[i]); prex2[i] = min(prex2[i - 1], x2[i]); prey2[i] = min(prey2[i - 1], y2[i]); } for (int i = n; i >= 1; i--) { suffx1[i] = max(suffx1[i + 1], x1[i]); suffy1[i] = max(suffy1[i + 1], y1[i]); suffx2[i] = min(suffx2[i + 1], x2[i]); suffy2[i] = min(suffy2[i + 1], y2[i]); } for (int i = 1; i <= n; i++) { long long int x3 = max(prex1[i - 1], suffx1[i + 1]); long long int x4 = min(prex2[i - 1], suffx2[i + 1]); long long int y3 = max(prey1[i - 1], suffy1[i + 1]); long long int y4 = min(prey2[i - 1], suffy2[i + 1]); if (x3 > x4 || y3 > y4) { continue; } else { cout << x3 << " " << y3 << "\n"; return; } } return; } int main() { ios_base ::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int t = 1; while (t--) { solve(); } return 0; }
9
CPP
#include <bits/stdc++.h> using namespace std; using ll = long long; using pi = pair<int, int>; using vi = vector<int>; const int nax = 200 * 1000 + 10; const ll INF = 1e18; int t, n, m; pi seg[nax]; ll pt[nax]; vi ind; vi occ[nax]; ll dp[nax][2]; void test_case() { cin >> n >> m; for (int i = 1; i <= n; ++i) { cin >> pt[i]; } for (int i = 1; i <= m; ++i) { cin >> seg[i].first >> seg[i].second; } for (int i = 0; i <= n; ++i) { occ[i].clear(); } ind.clear(); sort(pt + 1, pt + n + 1); sort(seg + 1, seg + m + 1); for (int i = 1; i <= m; ++i) { while ((int)ind.size() > 0 && seg[ind.back()].second >= seg[i].second) { ind.pop_back(); } ind.push_back(i); } int ptr = 0; m = (int)ind.size(); for (int i = 1; i <= n; ++i) { while (ptr < m && seg[ind[ptr]].second < pt[i]) { occ[i - 1].push_back(ind[ptr]); ptr++; } while (ptr < m && seg[ind[ptr]].first <= pt[i] && pt[i] <= seg[ind[ptr]].second) { ptr++; } } for (int i = ptr; i < m; ++i) { occ[n].push_back(ind[i]); } pt[0] = -INF; pt[n + 1] = INF; for (int i = 1; i <= n + 1; ++i) { dp[i][0] = dp[i - 1][0] + ((int)occ[i - 1].size() > 0 ? abs(pt[i] - seg[occ[i - 1][0]].second) : 0); dp[i][1] = dp[i - 1][0] + 2 * ((int)occ[i - 1].size() > 0 ? abs(pt[i] - seg[occ[i - 1][0]].second) : 0); int nxt = 0; for (auto id : occ[i - 1]) { ll tmp = min(dp[i - 1][1] + seg[id].first - pt[i - 1], dp[i - 1][0] + 2 * (seg[id].first - pt[i - 1])); ll d = (nxt == (int)occ[i - 1].size() - 1 ? 0 : pt[i] - seg[occ[i - 1][nxt + 1]].second); dp[i][0] = min(dp[i][0], tmp + d); dp[i][1] = min(dp[i][1], tmp + 2 * d); nxt++; } } cout << min(dp[n + 1][0], dp[n + 1][1]) << "\n"; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin >> t; while (t--) { test_case(); } }
12
CPP
n = int(input()) A = list(map(int,input().split())) ans = [] for i in range(n)[::-1]: for j in range(i+1)[::-1]: if j+1 == A[j]: ans.append(A.pop(j)) break if len(ans)==n: for a in ans[::-1]: print(a) else: print(-1)
0
PYTHON3
n,m=map(int,input().split()) a={int(input()) for i in range(m)} mod=10**9+7 x=1 if 1 not in a else 0 dp=[1,x]+[0]*(n-1) for i in range(2,n+1): if i in a: continue dp[i]=(dp[i-1]+dp[i-2]) print(dp[-1]%mod)
0
PYTHON3
#include <iostream> using namespace std; int B[8][8]={{1,2,1,2,1,4,1,4},{1,2,1,4,1,4,1,2},{1,4,1,2,1,2,1,4},{1,4,1,4,1,2,1,2},{2,1,2,1,4,1,4,1},{2,1,4,1,4,1,2,1},{4,1,2,1,2,1,4,1},{4,1,4,1,2,1,2,1}}; int d[8]; int cal(int num){ int TMP=0; for(int i=0;i<8;i++){ if(d[i]>B[num][i]){ TMP+=(d[i]-B[num][i]); } } return TMP; } int main(){ int tmp,f; while(cin>>d[0]){ for(int i=1;i<8;i++)cin>>d[i]; f=1; tmp=cal(0); for(int i=1;i<8;i++)if(tmp>cal(i))tmp=cal(i); for(int i=0;f;i++){ if(tmp==cal(i)){ for(int j=0;j<8;j++){ if(j<7)cout<<B[i][j]<<" "; else cout<<B[i][j]<<endl; } f=0; } } } return 0; }
0
CPP
n,k=map(int,input().split()) s=n//2 if(n%2!=0): s=s+1 if(k>s): ele=2*(k-s) else: ele=2*k-1 print(ele)
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int n, m, b, mod; int v[501][501]; int main() { cin >> n >> m >> b >> mod; v[0][0] = 1; for (int it = 1; it <= n; it++) { int a; cin >> a; for (int j = 0; j < m; j++) { for (int bu = 0; bu <= b - a; bu++) { v[j + 1][bu + a] += v[j][bu]; v[j + 1][bu + a] %= mod; } } } int ans = 0; for (int i = 0; i <= b; i++) { ans += v[m][i]; ans %= mod; } cout << ans << endl; }
9
CPP
#include <bits/stdc++.h> int main() { std::ios::sync_with_stdio(false); std::cin.tie(0); std::cout.tie(0); int32_t n; std::cin >> n; std::set<std::pair<int32_t, int32_t> > segments; for (int32_t i = 0; i < n; i++) { int32_t left, right; std::cin >> left >> right; auto it = segments.lower_bound({left, 0}); if (it != segments.begin()) { it--; if (it->second < left) it++; } int32_t min_left = left, max_right = right; while (it != segments.end() && ((it->second >= left && it->second <= right) || (it->first >= left && it->first <= right) || (it->first <= left && it->second >= right))) { min_left = std::min(min_left, it->first); max_right = std::max(max_right, it->second); auto next = it; next++; segments.erase(it); it = next; } segments.emplace(min_left, max_right); std::cout << segments.size() << " "; } return 0; }
16
CPP
#include <iostream> using namespace std; typedef long long ll; typedef pair<int,int> P; int x; int main(){ cin>>x; int i=x/100,j=x%100; if(i*5<j)cout<<0<<endl; else cout<<1<<endl; }
0
CPP
#include<iostream> using namespace std; int main(){ int n,i,a;cin >> n; int s[n]; for(i=1;i<=n;i++){ cin >> a; s[a-1] = i; } for(i=0;i<n;i++) cout << s[i] << " "; cout << endl; }
0
CPP
N = int(input()) V = map(int, input().split()) C = map(int, input().split()) D = [v - c for v, c in zip(V, C) if v - c > 0] print(sum(D))
0
PYTHON3
#include <bits/stdc++.h> using namespace std; inline bool EQ(double a, double b) { return fabs(a - b) < 1e-9; } inline int msbp(int x) { return 31 - __builtin_clz(x); } inline int msb(int x) { return 1 << msbp(x); } const int INF = 0x3f3f3f3f; const int N = 2e5 + 10; int n, s, ans, a[N], l[N], hi; signed main() { ios::sync_with_stdio(false); cin >> n >> s; for (int i = (1); i <= (n); ++i) { cin >> a[i]; if (i == s && a[i]) { ++ans; a[i] = 0; } hi = max(hi, a[i]); l[a[i]]++; } ans += l[0] - 1; int liars = l[0] - 1; for (int i = (1); i <= (hi); ++i) { if (!l[i]) { ++l[i]; if (liars) --liars; else { ++ans; --l[hi]; while (l[hi] == 0) --hi; } } } cout << ans << endl; return 0; }
9
CPP
#include <bits/stdc++.h> using namespace std; long long max(long long i, long long j) { return i > j ? i : j; } long long min(long long i, long long j) { return i < j ? i : j; } int hcf(int a, int b) { if (b == 0) return a; return hcf(b, a % b); } int ncr(int n, int r) { if (r == 0) return 1; if (n == r) return 1; if (r == 1) return n; return ncr(n - 1, r) + ncr(n - 1, r - 1); } bool isPrime(long long n) { for (long long i = 2; i * i <= n; i++) { if (n % i == 0) return false; } return true; } bool sortValD(pair<int, int> a, pair<int, int> b) { return a.second > b.second; } vector<int> sieve(int n) { vector<bool> prime(n + 1, true); for (int p = 2; p * p <= n; p++) { if (prime[p] == true) { for (int i = p * p; i <= n; i += p) prime[i] = false; } } vector<int> v; for (int i = 2; i < prime.size() + 2; i++) { if (prime[i]) v.push_back(i); } return v; } int main() { long long n, h, l, r; cin >> n >> h >> l >> r; vector<long long> a(n, 0); for (long long i = 0; i < n; i++) { cin >> a[i]; } vector<vector<long long>> dp(n + 1, vector<long long>(h, 0)); for (long long i = n - 1; i >= 0; i--) { for (long long j = 0; j < h; j++) { long long x = (j + a[i]) % h; long long y = (j + a[i] - 1) % h; int A = 0, B = 0; if (x >= l && x <= r) A = 1; if (y >= l && y <= r) B = 1; dp[i][j] = max(dp[i + 1][x] + A, dp[i + 1][y] + B); } } cout << dp[0][0] << endl; }
11
CPP
n = int(input()) s = input() months1 = "31 28 31 30 31 30 31 31 30 31 30 31 31 28 31 30 31 30 31 31 30 31 30 31 31 28 31 30 31 30 31 31 30 31 30 31" months2 = "31 29 31 30 31 30 31 31 30 31 30 31 31 28 31 30 31 30 31 31 30 31 30 31 31 28 31 30 31 30 31 31 30 31 30 31" months3 = "31 28 31 30 31 30 31 31 30 31 30 31 31 29 31 30 31 30 31 31 30 31 30 31 31 28 31 30 31 30 31 31 30 31 30 31" months4 = "31 28 31 30 31 30 31 31 30 31 30 31 31 28 31 30 31 30 31 31 30 31 30 31 31 29 31 30 31 30 31 31 30 31 30 31" if s in months1 or s in months2 or s in months3 or s in months4: print("Yes") else: print("No")
8
PYTHON3
#include<iostream> using namespace std; int main() { long long n; while(cin>>n && n!=0){ int ans=1; long long count=3; while(count<n){ ans++; count*=3; } cout<<ans<<endl; } return 0; }
0
CPP
#include <iostream> #include <vector> #include <string> #include <map> #include <queue> using namespace std; class Node { public: vector<pair<int, int> > tos; int c; bool d; friend bool operator< (const Node &n1, const Node &n2) { return n1.c > n2.c; } }; int n; vector<Node> ns; int dijkstra(int s, int t) { for (int i = 0; i < n; i++) { ns[i].c = -1; ns[i].d = false; } priority_queue<Node> q; ns[s].c = 0; q.push(ns[s]); while (!q.empty()) { Node node = q.top(); q.pop(); if (node.d) { continue; } node.d = true; for (vector<pair<int, int> >::iterator it = node.tos.begin(); it != node.tos.end(); it++) { int to = it->first; int c = node.c + it->second; if (ns[to].c < 0 || c < ns[to].c) { ns[to].c = c; q.push(ns[to]); } } } return ns[t].c; } int main() { int m; while (cin >> n >> m, n|m) { string s, p, g; cin >> s >> p >> g; map<string, int> st; st[s] = 0; st[p] = 1; st[g] = 2; ns.clear(); ns.resize(n); for (int i = 0, idx = 3; i < m; i++) { string a, b; int d, t; cin >> a >> b >> d >> t; if (st.find(a) == st.end()) { st[a] = idx++; } if (st.find(b) == st.end()) { st[b] = idx++; } int a_i = st[a]; int b_i = st[b]; int c = d / 40 + t; ns[a_i].tos.push_back(make_pair(b_i, c)); ns[b_i].tos.push_back(make_pair(a_i, c)); } cout << dijkstra(st[s], st[p]) + dijkstra(st[p], st[g]) << endl; } }
0
CPP
#include<iostream> #include<vector> using namespace std; vector<int> Name; typedef struct{int number; int point;} SCORE; vector <int> toV(string in){ vector<int> out; for(int i = 0; i < in.length(); i++){ int num = 0; while(in[i] != ' '){ num *= 10; num += in[i]-'0'; i++; } out.push_back(num); } return out; } int score(vector<int> V){ int j= 0; int sum = 0; int po; for(int i = 1; i < V.size(); i++){ j++; if(j == 10){ po = i; break; } if(V[i] == 10) sum += 10+V[i+1]+V[i+2]; else if(V[i] + V[i+1] == 10){ i++; sum += 10+V[i+1]; }else{ sum += V[i] + V[i+1]; i++; } } if(V[po] + V[po+1] >= 10) sum += V[po] + V[po+1] + V[po+2]; else sum += V[po]+V[po+1]; return sum; } int main(){ int in; while(cin >> in && in){ SCORE SC[in]; Name.clear(); string t; getline(cin,t); vector<int> V; for(int i = 0; i < in; i++){ string s; getline(cin,s); s += ' '; V = toV(s); Name.push_back(V[0]); SC[i].number = V[0]; SC[i].point = score(V); } for(int i = 0; i < in; i++){ for(int j = 0; j < in-i-1; j++){ if(SC[j].point < SC[j+1].point) swap(SC[j],SC[j+1]); else if(SC[j].point == SC[j+1].point && SC[j].number > SC[j+1].number) swap(SC[j],SC[j+1]); } } for(int i = 0; i < in; i++) cout << SC[i].number << " " << SC[i].point<< endl; } return 0; }
0
CPP
#include <bits/stdc++.h> using namespace std; double PI = acos(-1); double EPS = 1e-7; int INF = 1000000000; long long INFLL = 1000000000000000000LL; int mx[8] = {-1, 1, 0, 0, -1, -1, 1, 1}; int my[8] = {0, 0, -1, 1, -1, 1, -1, 1}; long long f(long long n) { if (n == 0) return 0; long long ans = n; for (long long x = 2; x * x <= n; ++x) { if (n % x == 0) { ans -= ans / x; while (n % x == 0) n /= x; } } if (n > 1) ans -= ans / n; return ans; } int main() { long long n, k; cin >> n >> k; k = (k - 1) / 2 + 1; while (k-- && n > 1) { n = f(n); } cout << n % 1000000007 << endl; }
11
CPP
#include<iostream> int main(){int a;std::cin>>a;std::cout<<!a;}
0
CPP
#include <bits/stdc++.h> using namespace std; int main() { int N; cin >> N; if (N == 1) { cout << "! 1" << endl; return 0; } vector<int> res(N); for (;;) { int x = 0, y = 0; for (int i = 0; i < N; ++i) { if (x == 0 && res[i] == 0) { x = i + 1; } else if (res[i] == 0) { y = i + 1; break; } } if (y == 0) break; int z, w; cout << "? " << x << " " << y << endl; cin >> z; cout << "? " << y << " " << x << endl; cin >> w; if (z == 0) { res[y - 1] = w; } else if (w == 0) { res[x - 1] = z; } else if (z > w) { res[x - 1] = z; } else { res[y - 1] = w; } } set<int> a; for (int i = 1; i <= N; ++i) a.insert(i); for (auto x : res) a.erase(x); for (auto& x : res) if (x == 0) x = *a.begin(); cout << "!"; for (auto x : res) cout << " " << x; cout << endl; }
9
CPP
infinity = 99999999999 minR1 = minR2 = infinity maxL1 = maxL2 = -infinity n = int(input()) for i in range(0, n): (l, r) = map(int, input().split()) maxL1 = max(maxL1, l) minR1 = min(minR1, r) m = int(input()) for i in range(0, m): (l, r) = map(int, input().split()) maxL2 = max(maxL2, l) minR2 = min(minR2, r) res = max(maxL2 - minR1, maxL1 - minR2); print(max(res, 0))
8
PYTHON3
n=int(input()) o=[0]*n for i in range(n): a,b=map(int,input().split()) o[i]=b-a%b if(o[i]==b): o[i]=0 for i in o: print(i)
10
PYTHON3
#include <bits/stdc++.h> using namespace std; const int maxn = 100003; const long long inf = 1000000000000000LL; int n; long long t, ans; long long k1, k2, k3, t1, t2, t3; long long ay[maxn]; priority_queue<pair<long long, int>, vector<pair<long long, int> >, greater<pair<long long, int> > > heap1, heap2, heap3; queue<int> q1, q2, q3; inline int get() { char ch = getchar(); while (!isdigit(ch) && ch != -1) ch = getchar(); int v = ch - 48; ch = getchar(); while (isdigit(ch)) { v = v * 10 + ch - 48; ch = getchar(); } return v; } void work() { int i = 1, j; long long tmp; t = 0; ans = 0; while (i <= n || heap1.size() > 0 || heap2.size() > 0 || heap3.size() > 0) { while (i <= n && ay[i] == t) { if (heap1.size() < k1) heap1.push(pair<long long, int>(ay[i] + t1, i)); else q1.push(i); i++; } while (!heap1.empty() && heap1.top().first == t) { if (heap2.size() < k2) heap2.push( pair<long long, int>(heap1.top().first + t2, heap1.top().second)); else q2.push(heap1.top().second); heap1.pop(); if (q1.size() > 0) { heap1.push(pair<long long, int>(t + t1, q1.front())); q1.pop(); } } while (!heap2.empty() && heap2.top().first == t) { if (heap3.size() < k3) heap3.push( pair<long long, int>(heap2.top().first + t3, heap2.top().second)); else q3.push(heap2.top().second); heap2.pop(); if (q2.size() > 0) { heap2.push(pair<long long, int>(t + t2, q2.front())); q2.pop(); } } while (!heap3.empty() && heap3.top().first == t) { ans = ((ans > heap3.top().first - ay[heap3.top().second]) ? ans : heap3.top().first - ay[heap3.top().second]); heap3.pop(); if (q3.size() > 0) { heap3.push(pair<long long, int>(t + t3, q3.front())); q3.pop(); } } tmp = inf; if (i <= n) tmp = ((tmp < ay[i]) ? tmp : ay[i]); if (!heap1.empty()) tmp = ((tmp < heap1.top().first) ? tmp : heap1.top().first); if (!heap2.empty()) tmp = ((tmp < heap2.top().first) ? tmp : heap2.top().first); if (!heap3.empty()) tmp = ((tmp < heap3.top().first) ? tmp : heap3.top().first); if (tmp != inf) t = tmp; } } int main() { cin >> k1 >> k2 >> k3 >> t1 >> t2 >> t3 >> n; int i; for (i = 1; i <= n; i++) { ay[i] = get(); } work(); cout << ans << endl; return 0; }
8
CPP
number_of_magnet=int(input()) list_of_magnet=[] for i in range(number_of_magnet): magnet=input() list_of_magnet.append(magnet) gp=1 for i in range(len(list_of_magnet)-1): if not list_of_magnet[i+1]==list_of_magnet[i]: gp+=1 print(gp)
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { int r1, r2, c1, c2, d1, d2; cin >> r1 >> r2 >> c1 >> c2 >> d1 >> d2; int a, b, c, d; a = (d1 + c1 - r2) / 2; b = r1 - a; c = c1 - a; d = c2 - b; if (a != b && a != c && a != d && b != c && b != d && c != d && a <= 9 && b <= 9 && c <= 9 && d <= 9 && a + d == d1 && b + c == d2 && a && b && c && d) { cout << a << " " << b << endl; cout << c << " " << d << endl; } else cout << -1; return 0; }
7
CPP
#include <iostream> #include <fstream> #include <vector> using namespace std; vector<int> result; int used[2 * 100000 + 10]; int este[100000 + 10]; vector<vector<int>> edges(2 * 100000 + 10); void dfs(int node) { used[node] = 1; result.push_back(node); for(int son : edges[node]) { if(!used[son]) { dfs(son); } } } int main() { int n, m; cin >> n >> m; for(int i = 0; i < n; i++) { int k; cin >> k; for(int j = 0; j < k; j++) { int x; cin >> x; edges[x].push_back(m + i + 1); edges[m + i + 1].push_back(x); } } dfs(m + 1); for(int i = 0; i < result.size(); i++) { if(result[i] > m) { este[result[i] - m] = 1; } } bool ok = true; for(int i = 1; i <= n; i++) { if(este[i] == 0) { ok = false; } } ok ? cout << "YES" : cout << "NO"; return 0; }
0
CPP
#include <bits/stdc++.h> using namespace std; int n; int seg[1048580], mx[1048580]; void merge(int i) { seg[i] = seg[i * 2] + seg[i * 2 + 1]; mx[i] = max(mx[i * 2 + 1], mx[i * 2] + seg[i * 2 + 1]); } void upd(int k, int v) { k += 524287; if (v == 1) { if (++seg[k] == 1) { mx[k] = k - 524287; } else { ++mx[k]; } } else { if (--seg[k] == 0) { mx[k] = 0; } else { --mx[k]; } } for (k >>= 1; k; k >>= 1) merge(k); } set<pair<int, int> > st; int main() { int m, k; scanf("%d %d %d", &n, &m, &k); for (int i = (1); i <= (k); i++) { int x, y; scanf("%d %d", &x, &y); if (st.find({x, y}) == st.end()) { upd(y + abs(x - m), 1); st.insert({x, y}); } else { upd(y + abs(x - m), -1); st.erase({x, y}); } printf("%d\n", max(0, mx[1] - n)); } return 0; }
13
CPP
#include <bits/stdc++.h> using namespace std; vector<int> E[1 << 19]; void solve(int test) { int n, m; cin >> n >> m; int i; for (i = (0); i < (m); ++i) { int a, b; cin >> a >> b; --a; --b; E[a].push_back(b); E[b].push_back(a); } vector<pair<int, int> > v(n); for (i = (0); i < (n); ++i) { cin >> v[i].first; v[i].second = i; } sort((v).begin(), (v).end()); vector<int> next(n, 1); vector<int> res(n, -1); for (i = (0); i < (n); ++i) { int a = v[i].second; if (next[a] != v[i].first) { cout << (-1) << endl; return; } res[a] = next[a]; for (int b : E[a]) if (res[b] == -1 && next[b] == next[a]) ++next[b]; } for (i = (0); i < (n); ++i) { int a = v[i].second; cout << (a + 1) << ' '; } } int main() { int T = 1, t; for (t = (0); t < (T); ++t) solve(t); return 0; }
7
CPP
l=sorted(list(map(int,input().split()))) print(l[2]-l[0])
7
PYTHON3
#include <bits/stdc++.h> using namespace std; const int N = 125010; const double pi = acos(-1); char s[N], t[N]; int rev[N << 2], num[6][6][N << 2], fa[8]; struct cp { double real, imag; cp(double x = 0, double y = 0) { real = x; imag = y; } cp operator+(const cp &t) const { return cp(real + t.real, imag + t.imag); } cp operator-(const cp &t) const { return cp(real - t.real, imag - t.imag); } cp operator*(const cp &t) const { return cp(real * t.real - imag * t.imag, real * t.imag + imag * t.real); } } A[N << 2], B[N << 2]; void swp(cp &u, cp &v) { cp t = u; u = v; v = t; } void FFT(cp *pn, int len, int f) { for (int i = 0; i < len; i++) if (i < rev[i]) swp(pn[i], pn[rev[i]]); for (int i = 1; i < len; i <<= 1) { cp wn(cos(pi / i), f * sin(pi / i)); for (int j = 0, d = (i << 1); j < len; j += d) { cp w(1, 0); for (int k = 0; k < i; k++) { cp u = pn[j + k], v = w * pn[j + k + i]; pn[j + k] = u + v, pn[j + k + i] = u - v; w = w * wn; } } } if (f == -1) { for (int i = 0; i < len; i++) pn[i].real /= len; } } int Find(int x) { if (x != fa[x]) return fa[x] = Find(fa[x]); else return x; } int main() { scanf("%s%s", s, t); int n = strlen(s), m = strlen(t); reverse(t, t + m); int len = 1, cnt = 0, maxn = m + n; while (len < maxn) { len <<= 1; cnt++; } for (int i = 0; i < len; i++) rev[i] = (rev[i >> 1] >> 1) | ((i & 1) << (cnt - 1)); for (int i = 0; i < 6; i++) { for (int j = 0; j < 6; j++) { if (i == j) continue; for (int k = 0; k < len; k++) A[k] = cp(0, 0), B[k] = cp(0, 0); for (int k = 0; k < n; k++) { if (s[k] - 'a' == i) A[k] = cp(1, 0); } for (int k = 0; k < m; k++) { if (t[k] - 'a' == j) B[k] = cp(1, 0); } FFT(A, len, 1); FFT(B, len, 1); for (int k = 0; k < len; k++) A[k] = A[k] * B[k]; FFT(A, len, -1); for (int k = 0; k < len; k++) num[i][j][k] = (int)(A[k].real + 0.5); } } for (int i = m - 1; i < n; i++) { int ans = 0; for (int j = 0; j < 6; j++) fa[j] = j; for (int j = 0; j < 6; j++) { for (int k = 0; k < 6; k++) { if (j == k) continue; if (num[j][k][i] > 0) { int p1 = Find(j), p2 = Find(k); if (p1 != p2) fa[p1] = p2; } } } for (int j = 0; j < 6; j++) { if (Find(j) != j) ans++; } printf("%d%c", ans, i == n - 1 ? '\n' : ' '); } return 0; }
15
CPP
n = int(input()) cnt = 0 for i in range(n): x = list(map(int,input().split())) if x.count(1) > 1: cnt += 1 print(cnt)
7
PYTHON3
#include <bits/stdc++.h> using namespace std; const long long maxN = 4000; long long n, m, k, ans; char a[maxN][maxN]; long long check1(long long r) { long long f = 0; long long ret = 0; for (long long i = 0; i < m; i++) { if (a[r][i] == '.') f++; else if (a[r][i] == '*') { if (f >= k) { ret += f - k + 1; } f = 0; } } if (f >= k) { ret += f - k + 1; f = 0; } return ret; } long long check2(long long c) { long long f = 0; long long ret = 0; for (long long i = 0; i < n; i++) { if (a[i][c] == '.') f++; else if (a[i][c] == '*') { if (f >= k) { ret += f - k + 1; } f = 0; } } if (f >= k) { ret += f - k + 1; f = 0; } return ret; } int32_t main() { ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); cin >> n >> m >> k; long long ch = 0; for (long long i = 0; i < n; i++) { string s; cin >> s; for (long long j = 0; j < m; j++) { a[i][j] = s[j]; if (s[j] == '.') ch++; } } if (k == 1) { cout << ch; return 0; } for (long long i = 0; i < n; i++) { ans += check1(i); } for (long long i = 0; i < m; i++) { ans += check2(i); } cout << ans << endl; return 0; }
9
CPP
#### import #### import sys import math from collections import defaultdict #### 設定 #### sys.setrecursionlimit(10**7) def input(): return sys.stdin.readline()[:-1] #### 読み込み #### def I(): return int(input()) def II(): return map(int, input().split()) def III(): return list(map(int, input().split())) def Line(N): read_all = [tuple(map(int, input().split())) for _ in range(N)] return map(list,zip(*read_all)) ################# import heapq N = I() A = III() B = III() x = [] for i,b in enumerate(B): heapq.heappush(x,(-b,i)) counter = 0 while x: temp = heapq.heappop(x) i = temp[1] b = -temp[0] a = B[(i-1)%N] c = B[(i+1)%N] if b == A[i]: continue elif b<A[i]: print(-1) exit() else: d,m = divmod(b-A[i],a+c) if d==0: print(-1) exit() elif m == 0: B[i] = A[i] counter += d else: B[i] = A[i]+m heapq.heappush(x,(-B[i],i)) counter += d print(counter)
0
PYTHON3
N=int(input()) A,B=map(int,input().split()) *P,=map(int,input().split()) X=Y=Z=0 for p in P: if p<=A: X+=1 elif B<p: Z+=1 else: Y+=1 print(min([X,Y,Z]))
0
PYTHON3
#include <bits/stdc++.h> using namespace std; inline 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 << 3) + (x << 1) + (ch ^ 48); ch = getchar(); } return x * f; } const int N = 2002; double f[N], p[N], q[N]; int numa[N], numb[N]; int n, a, b; inline void calc(double ca, double cb) { for (int i = 1; i <= n; i++) { f[i] = f[i - 1]; numa[i] = numa[i - 1]; numb[i] = numb[i - 1]; if (f[i - 1] + p[i] - ca > f[i]) f[i] = f[i - 1] + p[i] - ca, numa[i] = numa[i - 1] + 1, numb[i] = numb[i - 1]; if (f[i - 1] + q[i] - cb > f[i]) f[i] = f[i - 1] + q[i] - cb, numa[i] = numa[i - 1], numb[i] = numb[i - 1] + 1; if (f[i - 1] + p[i] + q[i] - p[i] * q[i] - ca - cb > f[i]) f[i] = f[i - 1] + p[i] + q[i] - p[i] * q[i] - ca - cb, numa[i] = numa[i - 1] + 1, numb[i] = numb[i - 1] + 1; } } inline double check(double ca) { double l = 0, r = 1; int cnt = 50; while (cnt-- > 0) { double mid = (l + r) / 2.0; calc(ca, mid); if (numb[n] > b) l = mid; else r = mid; } calc(ca, r); return r; } inline void solve() { n = read(); a = read(); b = read(); for (int i = 1; i <= n; i++) scanf("%lf", &p[i]); for (int i = 1; i <= n; i++) scanf("%lf", &q[i]); double l = 0, r = 1, cb; int cnt = 50; while (cnt-- > 0) { double mid = (l + r) / 2.0; cb = check(mid); if (numa[n] > a) l = mid; else r = mid; } calc(r, cb); printf("%.5f\n", f[n] + r * a + cb * b); } int main() { int T = 1; while (T-- > 0) solve(); fclose(stdin); fclose(stdout); return 0; }
11
CPP
#!/usr/bin/env python n = int(input()) - 2 print(n * (n**2 + 6 * n + 11) // 3)
10
PYTHON3
#include<bits/stdc++.h> #define For(i,j,k) for (int i=(int)(j);i<=(int)(k);i++) #define Rep(i,j,k) for (int i=(int)(j);i>=(int)(k);i--) #define pii pair<int,int> #define fi first #define se second #define PB push_back #define ll long long #define ull unsigned long long #define pll pair<ll,ll> #define y1 orzkcz using namespace std; const int N=500005; int n,m,deg[N]; int vis[N],q[N],rem; int ban[N],qq[N]; int perm1[N],perm2[N]; vector<int> e[N],vq[N],E[N],f[N]; int dfs(int x,int fa){ f[x].PB(x); for (auto i:E[x]) if (i!=fa){ int v=dfs(i,x); if (v) f[x].PB(v); } if (f[x].size()==1) return x; return 0; } void solve(int x){ int h=0,t=1; qq[t]=x; vis[x]=1; while (h!=t){ int x=qq[++h]; for (auto i:e[x]) ban[i]=1; int nt=0; For(i,1,*q) if (!ban[q[i]]){ if (!vis[q[i]]){ vis[q[i]]=1; qq[++t]=q[i]; E[q[i]].PB(x); E[x].PB(q[i]); } } else q[++nt]=q[i]; *q=nt; for (auto i:e[x]) ban[i]=0; } For(i,1,t) f[qq[i]].resize(0); if (dfs(qq[1],0)) if (f[qq[1]].size()==1) f[E[qq[1]][0]].PB(qq[1]); For(i,1,t) if (f[qq[i]].size()!=1){ //for (auto j:f[qq[i]]) cout<<j<<endl; For(j,0,f[qq[i]].size()-1){ int p1=j,p2=(j+1)%f[qq[i]].size(); perm1[f[qq[i]][p1]]=rem; perm2[f[qq[i]][p2]]=rem; --rem; } } } void solve(){ scanf("%d%d",&n,&m); For(i,1,n) e[i].resize(0); For(i,1,n) E[i].resize(0); For(i,1,m){ int x,y; scanf("%d%d",&x,&y); e[x].PB(y); e[y].PB(x); } For(i,0,n) vq[i].resize(0); For(i,1,n) deg[i]=e[i].size(),vis[i]=0; For(i,1,n) vq[deg[i]].PB(i); rem=n; for (;rem;){ int p=-1; for (auto i:vq[rem-1]) if (deg[i]==rem-1) p=i; if (p==-1) break; perm1[p]=perm2[p]=rem; vis[p]=1; --rem; for (auto i:e[p]) vq[--deg[i]].PB(i); } *q=0; For(i,1,n) if (!vis[i]) q[++*q]=i; For(i,1,n) if (!vis[i]) solve(i); For(i,1,n) printf("%d ",perm1[i]); puts(""); For(i,1,n) printf("%d ",perm2[i]); puts(""); } int main(){ int T; scanf("%d",&T); while (T--) solve(); }
10
CPP
#include <algorithm> #include <cassert> #include <cctype> #include <cmath> #include <cstdio> #include <cstdlib> #include <ctime> #include <deque> #include <functional> #include <iomanip> #include <iostream> #include <list> #include <map> #include <queue> #include <random> #include <set> #include <sstream> #include <string> #include <utility> #include <vector> #define MOCK 0 #define REP(i,s,n) for(int i=(int)(s);i<(int)(n);i++) #define DEBUGP(val) cerr << #val << "=" << val << "\n" using namespace std; typedef long long int ll; typedef vector<int> VI; typedef vector<ll> VL; typedef pair<int, int> PI; const int N = 300; vector<VI> trans(const vector<VI> &a) { vector<VI> ret(N, VI(N)); REP(i, 0, N) REP(j, 0, N) ret[i][j] = a[j][i]; return ret; } ll calc(const vector<VI> &sig) { ll tot = 0; vector<VI> acc(N, VI(N + 1, 0)); REP(i, 0, N) { REP(j, 0, N) { acc[i][j + 1] = acc[i][j] + sig[i][j]; } } REP(i, 0, N) { REP(j, 0, N) { if (sig[i][j] == 0) continue; REP(k, j + 1, N) { if (sig[i][k] == 0) continue; int dif = k - j; if (i - dif >= 0) { int idx = i - dif; tot += 2 * (acc[idx][k + 1] - acc[idx][j]); if (sig[i - dif][j] == 1) tot--; if (sig[i - dif][k] == 1) tot--; } if (i + dif < N) { int idx = i + dif; tot += 2 * (acc[idx][k + 1] - acc[idx][j]); if (sig[i + dif][j] == 1) tot--; if (sig[i + dif][k] == 1) tot--; } } } } return tot; } int main(void) { ios::sync_with_stdio(false); cin.tie(0); int h, w; cin >> h >> w; vector<string> s(h); #if MOCK REP(i, 0, h) s[i] = string(w, '#'); #else REP(i, 0, h) cin >> s[i]; #endif ll tot = 0; REP(par, 0, 2) { vector<VI> sig(N, VI(N, 0)); REP(i, 0, h) { REP(j, 0, w) { if (s[i][j] == '.') continue; if ((i + j) % 2 == par) { int x = (i + j - par) / 2; int y = (i - j - par + w) / 2; sig[x][y] = 1; } } } tot += calc(sig); sig = trans(sig); tot += calc(sig); } cout << tot / 2 << endl; }
0
CPP
n = int(input()) l = [''] * n for i in range(0, n, 4): l[i] = 'a' for i in range(1, n, 4): l[i] = 'a' for i in range(2, n, 4): l[i] = 'b' for i in range(3, n, 4): l[i] = 'b' print("".join(l))
8
PYTHON3
n=int(input()) s=input() str="EASY" for x in s: if x=='1': str="HARD" print(str)
7
PYTHON3
n,k=map(int,input().split()) p=list(map(int,input().split())) s=sum(p[:k]) s_max=s for i in range(k,n): s=s-p[i-k]+p[i] s_max=max(s_max,s) print((s_max+k)/2)
0
PYTHON3
def main(): n = int(input()) a = list(map(int, input().split())) l, r = [-1 for i in range(n)], [n for i in range(n)] for i in range(n): if i == 0: continue elif a[i] > a[i-1]: l[i] = i - 1 else: idx = l[i-1] while idx != -1 and a[i] < a[idx]: idx = l[idx] l[i] = idx for i in range(n-1, -1, -1): if i == n-1: continue elif a[i] > a[i+1]: r[i] = i + 1 else: idx = r[i+1] while idx != n and a[i] < a[idx]: idx = r[idx] r[i] = idx ans = 0 for i in range(n): ans += a[i] * (i-l[i]) * (r[i]-i) print(ans) if __name__ == '__main__': main()
0
PYTHON3
#include <bits/stdc++.h> using namespace std; const long long int M = 1e9 + 7; const long long int mod = M; const long long int N = 4e3 + 7; long long int a[N], b[N], c[N]; vector<long long int> adj[N]; vector<pair<long long int, long long int> > v[N], ans; long long int vist[N], root; long long int val = 0, n; void dfs(long long int src) { for (auto x : adj[src]) { dfs(x); for (auto y : v[x]) v[src].push_back(y); } val++; if (adj[src].size() == 0) { if (b[src] != 0) { cout << "NO"; exit(0); } else { v[src].push_back({val, src}); c[src] = val; } return; } sort(v[src].begin(), v[src].end()); if (v[src].size() < b[src]) { cout << "NO"; exit(0); } long long int ins; if (b[src] == 0) ins = v[src][b[src]].first; else ins = v[src][b[src] - 1].first + 1; for (long long int i = b[src]; i < v[src].size(); i++) { v[src][i].first += 1; } v[src].push_back({ins, src}); } signed main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin >> n; for (long long int i = 1; i <= n; i++) { cin >> a[i] >> b[i]; if (a[i] != 0) { adj[a[i]].push_back(i); } else { root = i; } } dfs(root); for (auto x : v[root]) { ans.push_back({x.second, x.first}); } sort(ans.begin(), ans.end()); cout << "YES\n"; for (auto x : ans) { cout << x.second << " "; } }
8
CPP
#include <iostream> #include <math.h> #include <algorithm> #include <vector> using namespace std; long long extgcd(long long a, long long b, long long &x, long long &y){ if(b==0){ x=1; y=0; return a; } long long d=extgcd(b,a%b,y,x); y-=(a/b)*x; return d; } int main(){ long long N; cin>>N; N*=2; long long M=N; vector<long long> d; for(long long i=2;i*i<=M;i++){ if(M%i==0){ long long k=1; while(M%i==0){ M/=i; k*=i; } d.push_back(k); } } if(M!=1) d.push_back(M); long long answer=N; long long l=1; for(int i=0;i<d.size();i++) l*=2; for(long long i=0;i<l;i++){ long long dev=1; long long judge=1; for(int j=0;j<d.size();j++){ if((i%(judge*2))/judge==1) dev*=d[j]; judge*=2; } long long x,y; extgcd(N/dev,dev,x,y); y*=-1; if(y>0) y%=(N/dev); else{ y+=(abs(y)/(N/dev)+1)*(N/dev); } answer=min(answer,y*dev); } cout<<answer<<endl; return 0; }
0
CPP
#include <bits/stdc++.h> using namespace std; void __print(int32_t x) { cout << x; } void __print(long long x) { cout << x; } void __print(long double x) { cout << x; } void __print(double x) { cout << x; } void __print(float x) { cout << x; } void __print(bool x) { cout << (x ? "true" : "false"); } void __print(char x) { cout << '\'' << x << '\''; } void __print(const char *x) { cout << '\"' << x << '\"'; } void __print(const string &x) { cout << '\"' << x << '\"'; } template <typename T, typename V> void __print(const pair<T, V> &x) { cout << '{'; __print(x.first); cout << ','; __print(x.second); cout << '}'; } template <typename T> void __print(const T &x) { long long f = 0; cout << '{'; for (auto &i : x) cout << (f++ ? "," : ""), __print(i); cout << "}"; } void _print() { cout << "]\n"; } template <typename T, typename... V> void _print(T t, V... v) { __print(t); if (sizeof...(v)) cout << ", "; _print(v...); } long long power(long long base, long long exp) { long long res = 1; base %= 1000000007; while (exp > 0) { if (exp & 1) res = (res * base) % 1000000007; base = (base * base) % 1000000007; exp = exp >> 1; } return res; } long long inv(long long x) { return power(x, 1000000007 - 2) % 1000000007; } const long long N = 1e3 + 3, M = N; long long i, j; long long dp[N][M]; long long ncr(long long n, long long r) { if (r > n) return 0; if (n == r or r == 0) return 1; if (dp[n][r] != 0) return dp[n][r]; return dp[n][r] = ncr(n - 1, r - 1) + ncr(n - 1, r); } void solve() { long long n, m, t; cin >> n >> m >> t; fill(&dp[0][0], &dp[0][0] + N * M, 0); long long sm = 0; for (i = 1; i <= m; i++) { long long g = i, b = t - g; if (g <= m and b <= n and b >= 4) { sm += ncr(n, b) * ncr(m, g); } } cout << sm << '\n'; } int32_t main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); long long t = 1; while (t--) solve(); return 0; }
9
CPP
#include<bits/stdc++.h> using namespace std; int n,k,ans,i,j; string s; int main(){ cin>>n>>k>>s; while(j<n){ while(j<n && s[j]=='1')++j; ans=max(ans,j-i); while(j<n && s[j]=='0')++j; --k; if(k<0){ while(i<n && s[i]=='1')++i; while(i<n && s[i]=='0')++i; } ans=max(ans,j-i); } cout<<ans<<endl; }
0
CPP
#include <bits/stdc++.h> using namespace std; int T, n, m, k; char c[200005]; int main() { scanf("%d %d\n", &n, &k); for (int i = 0; i < k; i++) { c[i] = getchar(); } int chg = 0; for (int i = k; i < n; i++) { char ch = getchar(); if (ch < c[i % k]) break; if (ch > c[i % k]) { chg = 1; break; } } if (chg) { for (int i = k - 1; i >= 0; i--) { if (c[i] == '9') { c[i] = '0'; } else { c[i]++; break; } } } printf("%d\n", n); for (int i = 0; i < n; i++) putchar(c[i % k]); return 0; }
9
CPP