solution
stringlengths
10
983k
difficulty
int64
0
25
language
stringclasses
2 values
def act(x, n, m): y = (x // 2) + 10 z = x - 10 if (n > 0 and y < x): n -= 1 return y, n, m, 0 elif m > 0: m -= 1 return z, n, m, 0 else: return x, n, m, 1 for _ in range(int(input())): x, n, m = map(int, input().split()) while x > 0 and (n > 0 or m > 0): x, n, m, f = act(x, n, m) if f: break if x > 0: print("NO") else: print("YES")
8
PYTHON3
n = list(map(int, input().rstrip().split())) m = max(n) l = len(n) n.remove(m) for i in range(l-1): print((m-n[i]),end=' ')
7
PYTHON3
s = input() ans = 0 for i in range(len(s)//2): if s[:i] == s[i:2*i]: ans = i print(2 * ans)
0
PYTHON3
#include <bits/stdc++.h> using namespace std; int findAns(vector<int> arr) { int diff = arr[1] - arr[0], totalOperations = 0; for (int i = 2; i < arr.size(); i++) { if (abs(arr[i] - arr[i - 1] - diff) > 1) return -1; else { totalOperations += abs(arr[i] - arr[i - 1] - diff); arr[i] = arr[i - 1] + diff; } } return totalOperations; } int main() { int size; cin >> size; vector<int> arr(size); for (int i = 0; i < size; i++) cin >> arr[i]; if (size <= 2) { cout << 0 << endl; return 0; } int lim = 1000000000, minOperations = lim; int first = arr[0], second = arr[1]; for (int i = 1; i >= -1; i--) for (int j = 1; j >= -1; j--) { arr[0] = first + i; arr[1] = second + j; int currAns = findAns(arr); if (currAns != -1) minOperations = min(minOperations, currAns + abs(i) + abs(j)); } if (minOperations != lim) cout << minOperations << endl; else cout << "-1" << endl; return 0; }
10
CPP
n=int(input()) while 1: if sum([int(i) for i in list(str(n))])%4==0: print(n) break n=n+1
7
PYTHON3
n=int(input()) for i in range(n): board=[] check=[[0 for a in range(9)] for b in range(9)] for j in range(9): board.append(list(map(int,input().split()))) board_r = [list(x) for x in zip(*board)] for j in range(9): for k in range(9): if board[j].count(board[j][k])>1:check[j][k]=1 for j in range(9): for k in range(9): if board_r[j].count(board_r[j][k])>1:check[k][j]=1 for j in range(3): for k in range(3): ch_list=[] for l in range(9): ch_list.append(board[j*3+l%3][k*3+l//3]) for l in range(9): if ch_list.count(ch_list[l])>1:check[j*3+l%3][k*3+l//3]=1 for j in range(9): for k in range(9): if check[j][k]==1:print("*",end="") else:print(" ",end="") print(board[j][k],end="") print() if i<n-1:print()
0
PYTHON3
#include<bits/stdc++.h> using namespace std; #define long long long const int MOD=1e9+7; long dp[1000001][13]; int main(){ string S; cin >> S; dp[0][0]=1; for(int i=0; i<S.size(); i++){ int c; if(S[i]=='?') c=-1; else c=S[i]-'0'; for(int j=0; j<10; j++){ if(c!=-1 && c!=j) continue; for(int k=0; k<13; k++){ dp[i+1][(k*10+j)%13]=(dp[i+1][(k*10+j)%13]+dp[i][k]) % MOD; } } } cout << dp[S.size()][5] << endl; return 0; }
0
CPP
#include <bits/stdc++.h> using namespace std; template <typename G> struct triple { G first, second, T; }; vector<int> query(vector<int> v) { cout << "next"; for (auto &i : v) cout << " " << i; cout << '\n'; cout.flush(); vector<int> w(10); int k; cin >> k; for (int i = 0; i < k; i++) { string s; cin >> s; for (auto &j : s) w[j - '0'] = i; } return w; } int main() { while (true) { query({0, 1}); auto v = query({1}); if (v[0] == v[1]) break; } while (true) { auto v = query({0, 1, 2, 3, 4, 5, 6, 7, 8, 9}); bool ok = true; for (int i = 0; i < 10; i++) ok &= (v[i] == 0); if (ok) break; } cout << "done\n"; cout.flush(); return 0; }
12
CPP
# -*- coding: utf-8 -*- """ Created on Mon Jun 22 12:22:38 2020 @author: Harshal """ a,b=map(int,input().split()) c=0 while a<=b: a=a*3 b=b*2 c+=1 print(c)
7
PYTHON3
#include<iostream> using namespace std; int main(){ int a; cin>>a; cout<<(1+a)*a/2<<endl; }
0
CPP
#include <bits/stdc++.h> using namespace std; vector<vector<int> > G; vector<int> order, used; int n, m, cur; bool dfs(int u) { bool f = false; used[u] = 1; for (int i = 0; i < (int)G[u].size(); ++i) { int to = G[u][i]; if (used[to] == 1) { return true; } if (!used[to]) { f = f | dfs(to); } } if (f) { return true; } used[u] = 2; order.push_back(u); return false; } int main() { int i, j, k, u; scanf("%d%d", &n, &m); G.resize(4 * n * m); used.resize(G.size(), 0); cur = m; for (i = 0; i < n; ++i) { vector<pair<int, int> > v(m); for (j = 0; j < m; ++j) { scanf("%d", &v[j].first); v[j].second = j; } sort((v).begin(), (v).end()); j = 0; while (j < (int)v.size() && v[j].first == -1) { ++j; } for (; j < (int)v.size();) { k = j; while (k < (int)v.size() && v[k].first == v[j].first) { ++k; } for (u = k - 1; u >= j; --u) { G[cur].push_back(v[u].second); G[v[u].second].push_back(cur + 1); } j = k; ++cur; } ++cur; } for (i = 0; i <= cur; ++i) { if (!used[i]) { bool f = dfs(i); if (f) { puts("-1"); return 0; } } } reverse((order).begin(), (order).end()); for (i = 0; i < (int)order.size(); ++i) { if (order[i] < m) { printf("%d ", order[i] + 1); } } puts(""); return 0; }
10
CPP
for _ in range(int(input())): n = int(input()) a = list(map(int, input().strip().split())) if(a[0] >= a[n-1]): print("NO") else: c = 0 for i in range(1, n): if(a[0] < a[i] and c<0): c+=1 elif(a[0] >= a[i] and a[-1] <= a[i]): c-=1 if(c == 0): print("YES") else: print("NO")
9
PYTHON3
for t in range(int(input())): a,b=map(int,input().split()) if a==b: print(0) elif a>b: if (a-b)%2==0: print(1) else: print(2) else: if (a-b)%2==0: print(2) else: print(1)
7
PYTHON3
n = int(input()) for _ in range(n): cost1, cost2 = 0, 0 n, a, b = map(int,input().split()) cost1 = n*a cost2 = int(n/2)*b + (n%2)*a print(min(cost1,cost2))
7
PYTHON3
#include <bits/stdc++.h> using namespace std; long long modpow(long long a, long long p, long long mod) { long long ret = 1; while (p) { if (p & 1) ret = (ret * a) % mod; a = (a * a) % mod; p /= 2; } return ret; } long long power(long long a, long long p) { long long ret = 1; while (p) { if (p & 1) ret = (ret * a); a = (a * a); p /= 2; } return ret; } int p[1000011] = {0}; vector<int> prms; void sieve(int n) { int i, j; prms.push_back(2); ; for (i = 3; i < n; i++) { if ((i % 2 == 0) || p[i]) continue; prms.push_back(i); p[i] = 1; for (j = 2 * i; j < n; j += i) p[j] = 1; } } vector<pair<int, int> > app; vector<int> e; int d[100011] = {0}; int main() { int i, j, k, tmp; ios_base::sync_with_stdio(0); cin.tie(NULL); int n; cin >> n; sieve(n / 2 + 1); int l = (int)(prms.size()); j = 1; while (j < l) { e.clear(); for (i = prms[j]; i <= n; i += prms[j]) if (!d[i]) { e.push_back(i); d[i] = 1; } if ((int)(e.size()) % 2) { if ((int)(e.size()) >= 3) app.push_back(make_pair(e[2], e[0])); d[2 * prms[j]] = 0; for (i = 4; i < (int)(e.size()); i += 2) app.push_back(make_pair(e[i], e[i - 1])); } else for (i = 1; i < (int)(e.size()); i += 2) app.push_back(make_pair(e[i], e[i - 1])); j++; } e.clear(); for (i = 2; i <= n; i += 2) if (!d[i]) { e.push_back(i); d[i] = 1; } for (i = 1; i < (int)(e.size()); i += 2) app.push_back(make_pair(e[i], e[i - 1])); int s = (int)(app.size()); cout << s << endl; for (i = 0; i < s; i++) cout << app[i].first << " " << app[i].second << endl; return 0; }
9
CPP
#include <bits/stdc++.h> using namespace std; int a[101],cr[101],b[26]; int main(){ int n;scanf("%d",&n); for(int i=1;i<=n;i++)scanf("%d",a+i); n=100; for(int i=51;i<=100;i++)if(a[i]<0)a[i]=0; for(int i=1;i<=25;i++)for(int j=i+i;j<=25;j+=i)b[i]|=1<<j-1; long long ans=0; for(int tt=0;tt<1<<25;tt++){ bool bad=false; long long a2=0; for(int i=1;i<=25;i++)if((tt&1<<i-1)&&(tt&b[i])){ bad=true;break; } if(bad)continue; for(int i=1;i<=n;i++)cr[i]=a[i]; for(int i=1;i<=25;i++)if(tt&1<<i-1)for(int j=i;j<=n;j+=i)cr[j]=0; for(int i=26;i<=50;i++){ if(i%2==0 && 3*i/2 <= 50){ long long t[4]={ 0LL+cr[i]+cr[3*i/2]+cr[i+i]+cr[i+i+i], cr[i]+cr[i+i], cr[3*i/2], 0 }; int x=max_element(t,t+4)-t; if(x&1)cr[3*i/2]=cr[i+i+i]=0; if(x>=2)cr[i]=cr[i+i]=cr[i+i+i]=0; } else if(3*i <= 100){ if(0LL+cr[i]+cr[i+i]+cr[i+i+i]<0)cr[i]=cr[i+i]=cr[i+i+i]=0; } else{ if(cr[i]+cr[i+i]<0)cr[i]=cr[i+i]=0; } } for(int i=1;i<=100;i++)a2+=cr[i]; ans=max(ans,a2); } printf("%lld\n",ans); }
0
CPP
#include <bits/stdc++.h> int main() { int n, k = 0; scanf("%d", &n); int *mas = new int[n]; for (int i = 0; i < n; i++) scanf("%d", &mas[i]); for (int i = 1; i < n - 1; i++) if ((mas[i] < mas[i - 1] && mas[i] < mas[i + 1]) || (mas[i] > mas[i - 1] && mas[i] > mas[i + 1])) k++; printf("%d", k); return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; long long int expo(int a) { if (a == 0) return 1; if (a % 2 == 1) { long long int ans = expo(a - 1); return ((ans % 998244353) * (2 % 998244353)) % 998244353; } else { long long int ans = expo(a / 2); return ((ans % 998244353) * (ans % 998244353)) % 998244353; } } int main() { int n, i; cin >> n; int a[n]; map<int, int> m; m.clear(); for (i = 0; i < n; i++) { cin >> a[i]; m[a[i]] = i; } int ans = 0; int f = 0; for (i = 0; i < n; i++) { if (m[a[i]] > f) { f = m[a[i]]; } else if (m[a[i]] == f && i == f) { ans++; f = i + 1; } } cout << expo(ans - 1); return 0; }
11
CPP
t = int(input()) for _ in range(t): solarr=[] a, b, c = map(int,input().split()) if a >= c: solarr.append(-1) if c/b<a: solarr.append(b) else: solarr.append(b*(a//c+1)) elif a < c: solarr.append(1) if c/b >= a: solarr.append(-1) else: solarr.append(b) print(*solarr)
7
PYTHON3
// A - Diagonal String #include <bits/stdc++.h> using namespace std; int main(){ string a,b,c; cin>>a>>b>>c; cout<< string{a[0],b[1],c[2]} <<endl; }
0
CPP
#include <bits/stdc++.h> using namespace std; template <typename T> void printv(vector<T> v) { for (auto e : v) { cout << e << " "; } cout << "\n"; } template <typename T> void printvv(vector<T> vv) { for (long long i = 0; i < vv.size(); i++) { cout << i << ": "; for (auto e : vv[i]) { cout << e << " "; } cout << "\n"; } } signed main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); long long t; cin >> t; while (t--) { long long l, r; cin >> l >> r; if (r < 2 * l) { cout << "YES" << "\n"; } else { cout << "NO" << "\n"; } } return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; ifstream f("test.in"); ofstream g("test.out"); long long x, k, b, n, t, nr; int main() { cin >> k >> b >> n >> t; x = 1; while (x <= t) { nr++; x = x * k + b; } cout << ((n - nr + 1 > 0) ? n - nr + 1 : 0); return 0; }
9
CPP
from collections import deque def dfs(path): global visited, A q = deque([]) q.append(path) for d in A[1]: q.append(d) while q: p = q.pop() for d in A[p]: if visited[d] == True: pass else: visited[d] = True if __name__ == '__main__': N, M = map(int, input().split()) A = [[] for _ in range(N+1)] for _ in range(M): a, b = map(int, input().split()) A[a].append(b) A[b].append(a) visited = [False] * (N+1) dfs(1) if visited[N]: print("POSSIBLE") else: print("IMPOSSIBLE")
0
PYTHON3
count=0 temp=0 for _ in range(int(input())): x,y=map(int,input().split()) if(x>y): count+=1 elif(x<y): temp+=1 if(count>temp): print("Mishka") elif(count==temp): print("Friendship is magic!^^") else: print("Chris")
7
PYTHON3
#include<bits/stdc++.h> using namespace std; int main(){ char x,y;cin>>x>>y; cout<<(x<y?'<':x>y?'>':'='); }
0
CPP
#include <bits/stdc++.h> using namespace std; using namespace std; const int maxn = 5e3 + 10; const int maxl = 12; const int maxs = 1 << maxl; bool vis[maxn][maxs]; int n, k; char s[maxn]; int main() { scanf("%s", s); n = strlen(s); k = 0; while ((1 << k) <= n) ++k; k -= 1; vis[0][(1 << k) - 1] = true; vector<pair<int, int> > q; q.push_back(make_pair(0, (1 << k) - 1)); for (;;) { int sz = q.size(); char nxt = 'z' + 1; for (int i = 0; i < q.size(); ++i) { int cur = q[i].first; int mask = q[i].second; nxt = min(nxt, s[cur]); for (int i = 0; i < k; ++i) if ((mask >> i) & 1) { int nxt = cur + (1 << i); int nxtm = mask ^ (1 << i); if (nxt <= n && !vis[nxt][nxtm]) { vis[nxt][nxtm] = true; q.push_back(make_pair(nxt, nxtm)); } } } if (!nxt) break; vector<pair<int, int> > nq; for (auto e : q) { if (s[e.first] == nxt) { nq.push_back(make_pair(e.first + 1, e.second)); vis[e.first + 1][e.second] = true; } } swap(q, nq); putchar(nxt); } putchar('\n'); }
12
CPP
x = [int(y) for y in input().split()] if x[0] == x[1]: print("0 6 0") else: q = 0 r = 0 s = 0 for n in range(1,7): if abs(n-x[0]) < abs(n-x[1]): q += 1 elif abs(n-x[0]) == abs(n-x[1]): r+=1 else: s+=1 pr = str(q) + " " + str(r) + " " + str(s) print(pr)
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int main (){ long long int n; cin>>n; vector<int> v(n); long long int i,k=0; for(i=0;i<n;i++){ cin>>v[i]; k+=v[i]; } long long int m =2020202020,l=0; for(i=0;i<n;i++){ l+=v[i]; k-=v[i]; m = min(abs(k-l),m); } cout<<m; return 0; }
0
CPP
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(0); cin.tie(NULL); int n, t, t1, t2, diferentes = 0, iguales = 0, i, j; string cad1, cad2, ans = ""; cin >> n >> t; cin >> cad1 >> cad2; vector<int> dif(n, 0); for (i = 0; i < n; i++) { if (cad1[i] == cad2[i]) iguales++; else { diferentes++; dif[i] = 1; } } if (diferentes > 2 * t) cout << -1 << '\n'; else { ans = ""; for (i = 0; i < n; i++) { ans.push_back(cad1[i]); } if (diferentes <= t) { for (i = 0; i < n; i++) { if (dif[i] == 1) { t--; for (j = 0; j < 3; j++) { if (cad1[i] != 'a' + j && cad2[i] != 'a' + j) { ans[i] = 'a' + j; break; } } } } for (i = 0; i < n; i++) { if (dif[i] == 0 && t > 0) { t--; for (j = 0; j < 2; j++) { if (cad1[i] != 'a' + j && cad2[i] != 'a' + j) { ans[i] = 'a' + j; break; } } } } } else { t1 = diferentes - t; t2 = t1; t = t - t1; for (i = 0; i < n; i++) { if (dif[i] == 1 && t1 > 0) { dif[i] = 2; t1--; ans[i] = cad2[i]; } } for (i = 0; i < n; i++) { if (dif[i] == 1 && t2 > 0) { dif[i] = 2; t2--; ans[i] = cad1[i]; } } for (i = 0; i < n; i++) { if (dif[i] == 1 && t > 0) { dif[i] = 2; t--; for (j = 0; j < 3; j++) { if (cad1[i] != 'a' + j && cad2[i] != 'a' + j) { ans[i] = 'a' + j; break; } } } } } cout << ans << '\n'; } }
9
CPP
#include <bits/stdc++.h> using namespace std; long long int MOD = 1000000007; long long int inverse(long long int i) { if (i == 1) return 1; return (MOD - ((MOD / i) * inverse(MOD % i)) % MOD + MOD) % MOD; } string sum1(string d1, string d2) { int s, c = 0; int n1 = d1.size(), n2 = d2.size(); int pos = 1; string res; while (pos <= max(n1, n2)) { int sum1 = 0, carry1 = 0; if (n1 - pos > -1) sum1 += (d1[n1 - pos] - '0'); if (n2 - pos > -1) sum1 += (d2[n2 - pos] - '0'); sum1 += c; res.push_back(sum1 % 10 + '0'); c = sum1 / 10; pos++; } if (c != 0) res.push_back(c + '0'); string res2; for (int i = res.size() - 1; i > -1; --i) res2.push_back(res[i]); return res2; } int main() { int l; cin >> l; string s1; cin >> s1; int min1 = l; int ans1, ans2 = -1; for (int i = 1; i < l; ++i) { if (s1[i] != '0') { if (max(i, l - i) < min1) { ans1 = i; min1 = max(i, l - i); } } } for (int i = 1; i < l; ++i) { if (s1[i] != '0') { if (max(i, l - i) == min1 && i != ans1) { ans2 = i; break; } } } string d1, d2; for (int i = 0; i < ans1; ++i) d1.push_back(s1[i]); for (int i = ans1; i < l; ++i) d2.push_back(s1[i]); string s4 = sum1(d1, d2); string s5; if (ans2 != -1) { d1.clear(); d2.clear(); for (int i = 0; i < ans2; ++i) d1.push_back(s1[i]); for (int i = ans2; i < l; ++i) d2.push_back(s1[i]); s5 = sum1(d1, d2); } if (ans2 == -1) cout << s4; else { if (s4 < s5) cout << s4; else cout << s5; } }
8
CPP
#include <bits/stdc++.h> using namespace std; const long long int mod = 1e9 + 7ll; const int N = (int)2e5 + 7; vector<int> adj[N]; int visit[N]; map<int, int> mp; int flag = 1, cntn = 0; void dfs(int nd) { if (mp[nd] != 2) flag = 0; visit[nd] = 1; cntn++; for (int it : adj[nd]) { if (!visit[it]) dfs(it); } return; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int n, m; cin >> n >> m; for (__typeof(m) i = (0) - ((0) > (m)); i != (m) - ((0) > (m)); i += 1 - 2 * ((0) > (m))) { int a, b; cin >> a >> b; a--, b--; adj[a].push_back(b); adj[b].push_back(a); mp[a]++; mp[b]++; } int ans = 0; for (__typeof(n) i = (0) - ((0) > (n)); i != (n) - ((0) > (n)); i += 1 - 2 * ((0) > (n))) { if (!visit[i]) { dfs(i); if (cntn > 2) ans += flag; flag = 1; } } cout << ans << endl; return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; int main() { unsigned n; cin >> n; unsigned c[5] = {0}; while (n--) { unsigned current; cin >> current; ++c[current]; } unsigned c1 = c[1]; unsigned c2 = c[2]; unsigned c3 = c[3]; unsigned c4 = c[4]; unsigned sum = c4 + c3; c1 -= min(c1, c3); sum += c2 / 2; if (c2 % 2 == 1) { ++sum; if (c1 >= 2) c1 -= 2; else c1 = 0; } sum += c1 / 4 + !!(c1 % 4); cout << sum << '\n'; return 0; }
8
CPP
t=int(input()) for i in range(t): n,x,m=map(int,input().split()) ll=x rr=x for j in range(m): l,r=map(int,input().split()) if l<=ll<=r or l<=rr<=r: ll=min(l,ll) rr=max(r,rr) print(rr-ll+1) """ 3 6 4 3 1 6 2 3 5 5 4 1 2 2 4 1 2 3 3 2 2 3 1 2 ---------- 6 2 3 """
8
PYTHON3
#include <bits/stdc++.h> using namespace std; bool isPrime[1200000]; int cntPrime[1200000]; int cntHuiwen[1200000]; FILE *out1 = fopen("out1.txt", "w"); FILE *out2 = fopen("out2.txt", "w"); bool ishuiwen(int n) { int t = 0; int a = n; while (n) { t = t * 10 + n % 10; n /= 10; } return t == a; } void init() { int i, j; memset(isPrime, true, sizeof(isPrime)); isPrime[0] = isPrime[1] = false; for (int i = 2; i < 1200000; i++) { if (isPrime[i]) { for (int j = 2; i * j < 1200000; j++) { isPrime[i * j] = false; } } } cntPrime[0] = 0; for (int i = 1; i < 1200000; i++) { cntPrime[i] = cntPrime[i - 1]; if (isPrime[i]) cntPrime[i]++; } } void init2() { cntHuiwen[0] = 0; for (int i = 1; i < 1200000; i++) { cntHuiwen[i] = cntHuiwen[i - 1]; if (ishuiwen(i)) cntHuiwen[i]++; } } int main() { init(); init2(); int q, p; while (cin >> p >> q) { int s = 1; int e = 1200000 - 1; while (s <= e) { int m = (s + e) / 2; if (cntPrime[m] * q > cntHuiwen[m] * p) e = m - 1; else s = m + 1; } s = s - 1; int ans = s; int len = 20; for (int i = 1; i <= 8888; i++) { if (cntPrime[s + i] * q <= cntHuiwen[s + i] * p) ans = s + i; } cout << ans << endl; } return 0; }
9
CPP
#include <bits/stdc++.h> using namespace std; const int N = 1e4 + 6; vector<pair<int, int> > white; int n, m; string s[N]; void Ok(int x, int y, int d) { if (x + d >= n || y + d >= m) return; for (auto a : white) { if (a.first != x && a.first != (x + d) && a.second != y && a.second != (y + d)) return; } for (int i = 0; i <= d; i++) { if (s[x + i][y] == '.') s[x + i][y] = '+'; if (s[x][y + i] == '.') s[x][y + i] = '+'; if (s[x + d][i + y] == '.') s[x + d][y + i] = '+'; if (s[x + i][d + y] == '.') s[x + i][y + d] = '+'; } for (int i = 0; i < n; i++) cout << s[i] << "\n"; exit(0); } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin >> n >> m; for (int i = 0; i < n; i++) cin >> s[i]; int mnX = n + 2, mxX = 0, mnY = m + 2, mxY = 0; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { if (s[i][j] == 'w') { white.push_back(make_pair(i, j)); mnX = min(mnX, i); mxX = max(mxX, i); mnY = min(mnY, j); mxY = max(mxY, j); } } } int d = max(mxX - mnX, mxY - mnY); Ok(mnX, mnY, d); Ok(mnX, max(0, mxY - d), d); Ok(max(0, mxX - d), mnY, d); cout << "-1\n"; return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; int n, m, t, tp, tu, td; int v[305][305], s[305][305][4]; int add(int x, int y) { if (x > y) return tu; if (x < y) return td; return tp; } int main() { cin >> n >> m >> t >> tp >> tu >> td; for (int i = 0; i < n; ++i) { for (int j = 0; j < m; ++j) { cin >> v[i][j]; } } for (int j = 1; j < m; ++j) { for (int i = 0; i < n; ++i) { s[i][j][0] = s[i][j - 1][0] + add(v[i][j], v[i][j - 1]); } } for (int j = 1; j < m; ++j) { for (int i = 0; i < n; ++i) { s[i][j][1] = s[i][j - 1][1] + add(v[i][j - 1], v[i][j]); } } for (int j = 0; j < m; ++j) { for (int i = 1; i < n; ++i) { s[i][j][2] = s[i - 1][j][2] + add(v[i][j], v[i - 1][j]); } } for (int j = 0; j < m; ++j) { for (int i = 1; i < n; ++i) { s[i][j][3] = s[i - 1][j][3] + add(v[i - 1][j], v[i][j]); } } int anst = INT_MAX, sum; int a0, a1, a2, a3; for (int x1 = 0; x1 < n - 2; ++x1) { for (int y1 = 0; y1 < m - 2; ++y1) { for (int x2 = x1 + 2; x2 < n; ++x2) { for (int y2 = y1 + 2; y2 < m; ++y2) { sum = s[x1][y2][0] - s[x1][y1][0] + s[x2][y2][1] - s[x2][y1][1] + s[x2][y2][2] - s[x1][y2][2] + s[x2][y1][3] - s[x1][y1][3]; if (sum == t) { printf("%d %d %d %d", x1 + 1, y1 + 1, x2 + 1, y2 + 1); return 0; } int temp = abs(sum - t); if (temp < anst) { anst = temp; a0 = x1 + 1; a1 = y1 + 1; a2 = x2 + 1; a3 = y2 + 1; } } } } } printf("%d %d %d %d", a0, a1, a2, a3); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; long long n, c0, c1; long long C(int x, int y) { if (x < y || y < 0) return 0; long double res = 1; if (x - y < y) y = x - y; for (int i = 1; i <= y; ++i) { if (res >= 1e11 / (long double)(x - i + 1)) return 1e11; res /= i, res *= (x - i + 1); } return (long long)(res + 0.5); } long long Cr(int x, int y) { if (x < y || y < 0) return 0; long long res = 1; if (x - y < y) y = x - y; for (int i = 1; i <= y; ++i) res = res * (x - i + 1) / i; return res; } long long check(long long x) { long long cnt = 0, lim; for (int i = 0; i <= 30; ++i) { if (1ll * c1 * i > x) break; lim = (x - 1ll * c1 * i) / c0, cnt += C(i + lim + 1, i + 1); if (cnt >= 1e11) return cnt; } return cnt; } int main() { cin >> n >> c0 >> c1; if (c0 > c1) swap(c0, c1); --n; if (!n) puts("0"), exit(0); if (c0 == 0) { cout << 1ll * n * c1 << endl; return 0; } long long L = 0, R = 30ll * c1; while (L < R - 1) { long long mid = (L + R) >> 1; (check(mid) >= n) ? R = mid : L = mid; } long long cnt = 0, ans = 0; for (int i = 0; i <= 30; ++i) { if (1ll * c1 * i > R - 1) break; long long lim = (R - 1 - 1ll * c1 * i) / c0, tmp = Cr(lim + i + 1, i + 1); cnt += tmp, ans += tmp * i * c1 + Cr(lim + i + 1, i + 2) * (i + 1) * c0; } cout << ans + (n - cnt) * R + n * (c0 + c1); return 0; }
8
CPP
# import sys # sys.stdin = open('input.txt', 'r') # sys.stdout = open('output.txt', 'w+') for _ in range (0, int(input())): n = int(input()) a = list(map(int, input().split())) b = list(map(int, input().split())) pf,nf = 0,0 ans = 1 l = ["NO","YES"] for i in range (0,n): diff = b[i]-a[i] if (diff>0 and pf==1) or (diff<0 and nf==1) or (diff==0): ans = 1 else: ans = 0 break if a[i]==-1: nf = 1 if a[i]==1: pf = 1 print (l[ans])
8
PYTHON3
n = int(input()) w = str(input().strip()) ones = w.count('1') zeros = w.count('0') print(ones+zeros-2*min(ones,zeros))
7
PYTHON3
n=int(input()) l=[] for i in range(n): l.append(input()) for j in l: if(j[-2:]=='po'): print('FILIPINO') elif(j[-4:]=='desu'or j[-4:]=='masu'): print('JAPANESE') elif(j[-5:]=='mnida'): print('KOREAN')
7
PYTHON3
x = int(input()) print(1-x)
0
PYTHON3
#include <bits/stdc++.h> using namespace std; const int maxn = 3e5 + 10; vector<int> G[maxn]; int dfn[maxn], coc; stack<int> s; bool ins[maxn]; int bel[maxn], blo; int crash[maxn][2]; int tarjan(int u, int f) { int lowu = dfn[u] = ++coc; ins[u] = true; s.push(u); for (int i = 0; i < G[u].size(); i++) { int v = G[u][i]; if (v == f) continue; if (!dfn[v]) { int lowv = tarjan(v, u); lowu = min(lowv, lowu); } else if (ins[v]) lowu = min(lowu, dfn[v]); } if (lowu == dfn[u]) { crash[blo][0] = crash[blo][1] = u; int size = 0; while (ins[u]) { int v = s.top(); s.pop(); size++; ins[v] = false; bel[v] = blo; crash[blo][0] = min(crash[blo][0], v); crash[blo][1] = max(crash[blo][1], v); } if (size != 1) blo++; } return lowu; } set<int> lp; vector<int> rp[maxn]; int maxr[maxn]; pair<int, int> query[maxn]; int id[maxn]; long long ans[maxn]; bool cmp(int x, int y) { return (query[x] > query[y]); } namespace Seg { long long sum[maxn << 2], all[maxn << 2]; void updata(int p, int l, int r, int lq, int rq, long long v) { if (l == lq && r == rq) return void(all[p] += v); sum[p] += (rq - lq + 1) * v; int mid = l + r >> 1; if (rq <= mid) updata((p << 1), l, mid, lq, rq, v); else if (lq > mid) updata((p << 1 | 1), mid + 1, r, lq, rq, v); else updata((p << 1), l, mid, lq, mid, v), updata((p << 1 | 1), mid + 1, r, mid + 1, rq, v); } long long query(int p, int l, int r, int lq, int rq) { long long rtn = all[p] * (rq - lq + 1); if (l == lq && r == rq) return rtn + sum[p]; int mid = l + r >> 1; if (rq <= mid) return query((p << 1), l, mid, lq, rq) + rtn; else if (lq > mid) return query((p << 1 | 1), mid + 1, r, lq, rq) + rtn; else return query((p << 1), l, mid, lq, mid) + rtn + query((p << 1 | 1), mid + 1, r, mid + 1, rq); } } // namespace Seg int main() { int n, m; scanf("%d%d", &n, &m); while (m--) { int x, y; scanf("%d%d", &x, &y); G[x].push_back(y); G[y].push_back(x); } for (int i = 1; i <= n; i++) if (!dfn[i]) tarjan(i, 0); for (int i = 0; i < blo; i++) { rp[crash[i][0]].push_back(crash[i][1]); lp.insert(crash[i][1]); } for (int i = 1; i <= n; i++) { maxr[i] = lp.size() ? *lp.begin() - 1 : n; for (int j = 0; j < rp[i].size(); j++) lp.erase(rp[i][j]); } int q; scanf("%d", &q); for (int i = 1; i <= q; i++) scanf("%d%d", &query[i].first, &query[i].second), id[i] = i; sort(id + 1, id + 1 + q, cmp); int minl = n + 1; for (int i = 1; i <= q; i++) { while (minl > query[id[i]].first) Seg::updata(1, 1, n, minl - 1, maxr[minl - 1], 1), --minl; ans[id[i]] = Seg::query(1, 1, n, query[id[i]].first, query[id[i]].second); } for (int i = 1; i <= q; i++) printf("%lld\n", ans[i]); }
11
CPP
(a, b) = map(int, input().split()) print(a * b // 2)
7
PYTHON3
for i in range(int(input())): s=input() if len(s)>10: print(s[0],end="") print(len(s)-2,end="") print(s[len(s)-1]) else: print(s)
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int n, dp[4005][4005], dps[4005], comb[4005][4005]; int main() { scanf("%d", &n); dp[0][0] = 1; dps[0] = 1; for (int i = 1; i <= n; i++) for (int j = 1; j <= i; j++) { dp[i][j] = (dp[i - 1][j - 1] + 1LL * j * dp[i - 1][j]) % 1000000007; dps[i] += dp[i][j]; while (dps[i] >= 1000000007) dps[i] -= 1000000007; } comb[0][0] = 1; for (int i = 1; i <= n; i++) { comb[i][0] = 1; for (int j = 1; j <= i; j++) { comb[i][j] = comb[i - 1][j] + comb[i - 1][j - 1]; while (comb[i][j] >= 1000000007) comb[i][j] -= 1000000007; } } int sol = 0; for (int i = 0; i < n; i++) sol = (sol + 1LL * comb[n][n - i] * dps[i]) % 1000000007; printf("%d\n", sol); return 0; }
8
CPP
for _ in range(int(input())): l, r, m = map(int, input().split()) if l == r == m: print(l, r, m) continue for a in range(l, r + 1): x = m % a y = a - x if m > a: if x <= r - l: print(a, r, r - x) break elif y <= r - l: print(a, r - y, r) break if m < a: print(a, l, l + y) break
8
PYTHON3
import sys import math input = sys.stdin.readline T = int(input()) for i in range (0,T): n = int(input()) string = input() leng = len(string) st = en = -1 for i in range (0,leng): if string[i]=='1': if st == -1: st = en = i else : en = i if st == -1: print(n) else: shift = st if en != -1: shift = min(n-1-en,shift) print(max(n,(n-shift)*2))
8
PYTHON3
from collections import* input() a=[*map(int,input().split())] print(max(Counter(x+y for x in a for y in a if x!=y).values())//2)
8
PYTHON3
import sys t=int(sys.stdin.readline()) for _ in range(t): ans=0 n,m=map(int,input().split()) if (n==1): ans=0 elif(n==2): ans=m else: ans=2*m print(ans)
7
PYTHON3
#include <bits/stdc++.h> inline long long read() { long long x = 0; char c = getchar(), f = 1; for (; c < '0' || '9' < c; c = getchar()) if (c == '-') f = -1; for (; '0' <= c && c <= '9'; c = getchar()) x = x * 10 + c - '0'; return x * f; } inline void write(long long x) { static char buf[20]; int len = 0; if (x < 0) putchar('-'), x = -x; for (; x; x /= 10) buf[len++] = x % 10 + '0'; if (!len) putchar('0'); else while (len) putchar(buf[--len]); } inline void writesp(long long x) { write(x); putchar(' '); } inline void writeln(long long x) { write(x); putchar('\n'); } struct edge { int to, nxt, d; } e[2 * 200010]; int fir[200010], mark[200010], dist[200010], from[200010], size[200010]; double f[200010]; int w[200010]; int n, tot; void add_edge(int x, int y, int z) { e[tot].to = y; e[tot].d = z; e[tot].nxt = fir[x]; fir[x] = tot++; } void dfs(int now, int fa) { for (int i = fir[now]; ~i; i = e[i].nxt) if (e[i].to != fa) { dist[e[i].to] = dist[now] + e[i].d; from[e[i].to] = from[now]; dfs(e[i].to, now); } } void prepare(int now, int fa) { size[now] = 1; for (int i = fir[now]; ~i; i = e[i].nxt) if (e[i].to != fa && !mark[e[i].to]) { prepare(e[i].to, now); size[now] += size[e[i].to]; } } int find_root(int now, int fa, int S) { int mx = 0; for (int i = fir[now]; ~i; i = e[i].nxt) if (e[i].to != fa && !mark[e[i].to]) { int tmp = find_root(e[i].to, now, S); if (tmp) return tmp; mx = std::max(mx, size[e[i].to]); } if (std::max(mx, S - size[now]) <= S / 2) return now; else return 0; } struct Data { double val; int id; friend bool operator<(Data a, Data b) { return a.val < b.val; } }; Data solve(int now) { mark[now] = 1; dist[now] = 0; for (int i = fir[now]; ~i; i = e[i].nxt) { dist[e[i].to] = e[i].d; from[e[i].to] = e[i].to; f[e[i].to] = 0; dfs(e[i].to, now); } Data ret = (Data){0, now}; for (int i = 1; i <= n; i++) { f[from[i]] += 1.5 * sqrt(dist[i]) * w[i]; ret.val += dist[i] * sqrt(dist[i]) * w[i]; } double sum = 0; for (int i = fir[now]; ~i; i = e[i].nxt) sum += f[e[i].to]; Data mn = (Data){1e36, 0}; for (int i = fir[now]; ~i; i = e[i].nxt) { Data tmp = (Data){sum - 2 * f[e[i].to], e[i].to}; if (tmp < mn) mn = tmp; } if (!mark[mn.id]) { prepare(mn.id, now); Data tmp = solve(find_root(mn.id, now, size[mn.id])); if (tmp < ret) ret = tmp; } return ret; } int main() { n = read(); for (int i = 1; i <= n; i++) w[i] = read(); memset(fir, 255, sizeof(fir)); tot = 0; for (int i = 1; i < n; i++) { int x = read(), y = read(), z = read(); add_edge(x, y, z); add_edge(y, x, z); } Data ans = solve(1); printf("%d %.10lf\n", ans.id, ans.val); return 0; }
9
CPP
N = int(input()) Xmi, Xma, Ymi, Yma, DYmi, DYma, UYmi, UYma, RXmi, RXma, LXmi, LXma = [(10**10), -(10**10)] * 6 for _ in range(N): x, y, d = input().split() x, y = int(x), int(y) if d == "R": RXmi = min(RXmi, x) RXma = max(RXma, x) elif d == "L": LXmi = min(LXmi, x) LXma = max(LXma, x) else: Xmi = min(Xmi, x) Xma = max(Xma, x) if d == "U": UYmi = min(UYmi, y) UYma = max(UYma, y) elif d == "D": DYmi = min(DYmi, y) DYma = max(DYma, y) else: Ymi = min(Ymi, y) Yma = max(Yma, y) def calc(t): xmi = min(RXmi+t, LXmi-t, Xmi) xma = max(RXma+t, LXma-t, Xma) ymi = min(UYmi+t, DYmi-t, Ymi) yma = max(UYma+t, DYma-t, Yma) return max(yma-ymi, 0)*max(xma-xmi, 0) def di(t): a = 1 return calc(t+a) - calc(t-a) def dii(t): a = 0.0000001 return calc(t+a) - calc(t-a) l = 0 r = 10**10 for _ in range(100): m = (l+r)//2 if di(m) > 0: r = m else: l = m for _ in range(100): m = (l+r)/2 if dii(m) > 0: r = m else: l = m print(calc(m))
0
PYTHON3
#C - こだわり者いろはちゃん 2 def checkDigit(n): d = [] for i in range(9): if n%10 in D: return False n //= 10 if n==0: return True def solve(n): for i in range(N,1000000): if checkDigit(i): return i N, K = [int(x) for x in input().split()] D = [int(x) for x in input().split()] #print(N,K,D) print(solve(N))
0
PYTHON3
#include<bits/stdc++.h> using namespace std; int main() { int d[100001],a[100001],sum[100001]; int n,k; cin>>n>>k; for(int i=1;i<=n;i++) { char c; cin>>c; d[i]=c-'0'; } for(int i=1;i<=n;i++) { a[i]=d[i-1]^d[i]; } sum[0]=0; for(int i=1;i<=n;i++) { sum[i]=sum[i-1]+a[i]; } int b=0; int maxn=0; for(int i=1;i<=n;i++) { b^=a[i]; int x=upper_bound(sum,sum+n+1,2*k-(!b)+sum[i])-sum; maxn=max(maxn,x-i); } cout<<maxn<<endl; return 0; }
0
CPP
def get_sieve_of_eratosthenes_new(n): import math if not isinstance(n, int): raise TypeError('n is int type.') if n < 2: raise ValueError('n is more than 2') prime = [] limit = math.sqrt(n) data = [i + 1 for i in range(1, n)] while True: p = data[0] if limit <= p: return prime + data prime.append(p) data = [e for e in data if e % p != 0] prime=get_sieve_of_eratosthenes_new(2160) def ind(b,n): res=0 while n%b==0: res+=1 n//=b return res import sys input=sys.stdin.readline N=int(input()) dic={} inverse={} for i in range(N): s=int(input()) news=1 invs=1 for p in prime: a=ind(p,s) s//=p**a news*=p**(a%3) invs*=p**((-a)%3) if s==1 or int(s**0.5)**2!=s: news*=s invs*=s**2 if news not in dic: dic[news]=0 inverse[news]=0 dic[news]+=1 inverse[news]=invs else: news*=s invs*=int(s**0.5) if news not in dic: dic[news]=0 inverse[news]=0 dic[news]+=1 inverse[news]=invs one=0 double=0 for i in dic: if i!=1: if inverse[i] in dic: double+=max(dic[i],dic[inverse[i]]) else: one+=dic[i] double//=2 ans=one+double if 1 in dic: ans+=1 print(ans)
0
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { int n, h, i, j, k; cin >> n >> h; int a[n + 1]; for (i = 0; i < n; i++) cin >> a[i]; for (i = 1; i < n; i++) { sort(a, a + i + 1); int s = 0; for (j = i; j >= 0; j -= 2) { s += a[j]; } if (s > h) { cout << i << endl; return 0; } } cout << n << endl; }
8
CPP
na,nb = map(int,input().split()) k,m = map(int,input().split()) a = list(map(int,input().split())) b = list(map(int,input().split())) a = a[0:k] b = b[len(b)-m:len(b)] if b[0] > a[len(a)-1]: print("YES") else: print("NO")
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { int k, a, b; scanf("%d%d%d", &k, &a, &b); int ans = 0; ans += a / k; ans += b / k; if ((a / k == 0 && b / k == 0) || (a / k != 0 && a % k != 0 && b / k == 0) || (b / k != 0 && b % k != 0 && a / k == 0)) { printf("-1\n"); } else printf("%d\n", ans); return 0; }
9
CPP
a="+".join(sorted(input().split("+"))) print (a)
7
PYTHON3
(n, L, a) = map(int, input().split()) customers = [list(map(int, input().split())) for i in range(n)] breaks_cnt = 0 customers.insert(0, (0, 0)) customers.insert(len(customers), (L, 0)) for i in range(len(customers)-1): finished = customers[i][0] + customers[i][1] free_time = customers[i + 1][0] - finished breaks_cnt += free_time // a print(int(breaks_cnt))
7
PYTHON3
#include <bits/stdc++.h> using namespace std; int n, k, h; long long m[100002]; long long v[100002]; vector<pair<long long, pair<long long, long long> > > vp; vector<long long> ret; vector<long long> working; int ok(double m) { vector<long long> temp; int l = 1; for (int i = 0; i < n; i++) { if (vp[i].second.first * m > l * h * (1.0 - 1E-9)) { temp.push_back(vp[i].second.second); l++; } if (l == k + 1) { working = temp; return true; } } return false; } int main() { cout << setprecision(9); cin >> n >> k >> h; for (int i = 0; i < n; i++) cin >> m[i]; for (int i = 0; i < n; i++) cin >> v[i]; for (int i = 0; i < n; i++) vp.push_back(make_pair(m[i], make_pair(v[i], i))); sort(vp.begin(), vp.end()); double l = 0; double r = 1E9; for (int i = 0; i < 200; i++) { double m = (l + r) / 2; if (ok(m)) { r = m; } else { l = m; } } for (int i = 0; i < k; i++) cout << 1 + working[i] << " "; cout << endl; return 0; }
8
CPP
#include <bits/stdc++.h> const long long MOD = 1e9 + 7; const long long N = 1e4 + 5; const long long demo = 10; using namespace std; const long long cfmod = 998244353; long long gcd(long long a, long long b) { if (a == 0) return b; return gcd(b % a, a); } long long dx[4] = {0, 0, -1, 1}; long long dy[4] = {-1, 1, 0, 0}; char button[4] = {'L', 'R', 'U', 'D'}; long long lcm(long long a, long long b) { return (a * b) / gcd(a, b); } signed main() { ios_base::sync_with_stdio(false); cin.tie(NULL); long long q = 1; cin >> q; while (q--) { long long n; cin >> n; if (n % 2) { set<long long> s; pair<long long, long long> ans; ans = {1, n - 1}; for (long long i = 2; i <= sqrt(n); i++) { if (n % i == 0) { long long x = n / i; if (lcm(i, n - i) < lcm(ans.first, ans.second)) { ans = {i, n - i}; } if (lcm(x, n - x) < lcm(ans.first, ans.second)) { ans = {x, n - x}; } } } cout << ans.first << " " << ans.second << "\n"; } else { cout << n / 2 << " " << n / 2 << "\n"; } } }
8
CPP
#include<bits/stdc++.h> #define N 100005 #define M 105 using namespace std; int n,m,c,a[M]; void GG(){ printf("Impossible"); exit(0);} int main() { int i; scanf("%d %d",&n,&m); for(i=1;i<=m;i++) scanf("%d",&a[i]),c+=(a[i]&1); if(n==1){ printf("1\n1\n1"); return 0;} if(m==1){ printf("%d\n2\n%d %d",n,1,n-1); return 0; } if(n%2==1&&c>1) GG(); if(n%2==0&&c>2) GG(); sort(a+1,a+m+1); if(n%2==0&&c==2){ for(i=1;i<=n;i++) if(a[i]&1) break; while(i>1) swap(a[i],a[i-1]),i--; for(i=2;i<=n;i++) if(a[i]&1) break; while(i<m) swap(a[i],a[i+1]),i++; } if(n&1){ for(i=1;i<=n;i++) if(a[i]&1) break; while(i>1) swap(a[i],a[i-1]),i--; } for(i=1;i<=m;i++) printf("%d ",a[i]); a[1]--,a[m]++; printf("\n%d\n",m-(a[1]==0)); for(i=1;i<=m;i++) if(a[i]) printf("%d ",a[i]); return 0; }
0
CPP
n=str(input()) for i in range(len(n)-1,-1,-1): if n[i]!="0": break k=i+1 f=0 for i in range(k//2): if n[i]!=n[k-1-i]: f=1 break if f==1: print("NO") else: print("YES")
7
PYTHON3
if __name__ == '__main__': n = int(input().strip()) lst = list(map(int,input().strip().split())) new_lst = sorted(lst) # if n % 2 != 0: # giua = new_lst.index(new_lst[n//2]) # print(new_lst[giua::]) # print(new_lst[:giua]) # sum1 = sum(new_lst[giua::]) # sum2 = sum(new_lst[:giua]) # print(sum1*sum1 + sum2*sum2) # else: sum1 = sum(new_lst[n//2::]) sum2 = sum(new_lst[:n//2]) print(sum1 * sum1 + sum2 * sum2)
8
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(0); cin.tie(0); int n; cin >> n; int x; int pos1 = 0, pos2; for (int i = 1; i <= n; i++) { cin >> x; if (x == 0) { pos2 = i; for (int j = pos1 + 1; j <= pos2; j++) { if (pos1 != 0) { if (abs(pos1 - j) < abs(pos2 - j)) cout << abs(pos1 - j) << ' '; else cout << abs(pos2 - j) << ' '; } else cout << pos2 - j << ' '; } pos1 = i; } } for (int i = pos2 + 1; i <= n; i++) cout << i - pos2 << ' '; return 0; }
8
CPP
#include "bits/stdc++.h" using namespace std; int main(void){ int a,b,c,d; cin >> a >> b >> c>> d; cout << max(0,min(b,d)-max(a,c)); }
0
CPP
#include <bits/stdc++.h> using namespace std; int main() { long long int n; cin >> n; if (n == 1) cout << "-1" << endl; else if (n == 3) cout << "2 7 42" << endl; else cout << n << " " << (n + 1) << " " << (n * (n + 1)) << endl; return 0; }
9
CPP
#include <bits/stdc++.h> using namespace std; int main() { long long t; cin >> t; while (t--) { long long n; cin >> n; string str[n]; for (auto &i : str) cin >> i; map<char, int> cnt; for (auto i : str) { for (auto j : i) cnt[j]++; } bool ok = 1; for (auto i : cnt) ok &= (i.second % n == 0); cout << (ok ? "YES" : "NO") << endl; } return 0; }
7
CPP
t = int(input()) for _ in range(t): n = int(input()) p = list(map(int, input().split())) ans = [] i = 2 * n - 1 while i >= 0: if p[i] == 2 * n: ans.append(2*n-i) break i -= 1 i -= 1 while i >= 0: ind = i - p.index(max(p[:i+1])) + 1 ans.append(ind) i -= ind ans_len = len(ans) dp = [[False] * (n+1) for i in range(ans_len+1)] for i in range(ans_len+1): dp[i][0] = True for i in range(n+1): dp[0][i] = False for i in range(1, ans_len + 1): for j in range(1, n+1): if ans[i-1] > j: dp[i][j] = dp[i-1][j] else: dp[i][j] = (dp[i-1][j] or dp[i-1][j-ans[i-1]]) if dp[-1][-1]: print("YES") else: print("NO")
8
PYTHON3
import re s=input().strip() r1=re.match("(.*)h(.*)e(.*)l(.*)l(.*)o(.*)",s) if r1: print('YES') else: print('NO')
7
PYTHON3
n,c = map(int,input().split()) s = input() ans = 0;first = n-1;last = 0 for i in range(n//2): if s[i] != s[n-i-1]: first = min(first,i) last = max(last,i) a = ord(s[i])-97;b = ord(s[n-i-1])-97 change = min(a,b) + 26 - max(a,b) #print(change,s[i]) ans += min(abs(b-a),change) #print(first,last,ans) if c == n//2: ans += n//2 - first elif c < n//2: c-=1 a = c-min(c,first) b = max(c,last)-c #print(a,b) ans += a+b+min(a,b) else: c = n-c a = c-min(c,first) b = max(c,last)-c #print(a,b) ans += a+b+min(a,b) print(max(0,ans))
9
PYTHON3
t=int(input()) for _ in range(t): n=int(input()) s=input() t=list() m=list() c=1 for i in range(len(s)): if(s[i]=='T'): t.append(i) else: m.append(i) if(len(t)!=2*len(m)): c=0 else: for i in range(len(m)): if(m[i]<t[i] or m[i]>t[i+len(m)]): c=0 break if(c==0): print('NO') else: print('YES')
8
PYTHON3
n, m = map(int, input().split()) rows, columns = set(), set() resp = "" for i in range(m): num = n ** 2 row, column = map(int, input().split()) rows.add(row) columns.add(column) pre = (len(rows) * n) + (len(columns) * n) rep = len(rows) * len(columns) resp += str(num - (pre - rep)) + " " print(resp)
8
PYTHON3
#include <bits/stdc++.h> using namespace std; const int prime[5][9] = {{2, 3, 5, 7, 11, 13, 17, 19, 23}, {29, 31, 37, 41, 43}, {47, 53, 59, 61}, {67, 71, 73, 79}, {83, 89, 97}}; const long long val[5] = {223092870, 58642669, 600662303, 27433619, 716539}; int n, m, len, sl; long long A[10010]; vector<long long> dp[5][17]; void init() { for (int T = 0; T < 5; T++) { for (int i = 2; i <= 16; i++) { int t = 1, prod = 1; while (t <= n) t *= i, prod *= (i + 1); dp[T][i].resize(prod, -1); } } } char s[35]; int b[35]; inline int calc(int d, int p) { int x = 0; for (int i = 0; i < len; i++) x = x * (d + 1) + b[i]; if (dp[p][d][x] != -1) return x; dp[p][d][x] = 1; for (int i = 0; i < len; i++) { if (b[i] == d) { for (int j = 0; j < d; j++) { b[i] = j; dp[p][d][x] = dp[p][d][x] * dp[p][d][calc(d, p)] % val[p]; } b[i] = d; return x; } } int y = 0; for (int i = len - 1; i >= 0; i--) y = y * d + b[i]; if (y < n) dp[p][d][x] = A[y] % val[p]; return x; } int main() { scanf("%d", &n); for (int i = 0; i < n; i++) scanf("%lld", &A[i]); init(); scanf("%d", &m); while (m--) { int d; long long c; scanf("%d%s%lld", &d, s + 1, &c); len = 0, sl = strlen(s + 1); for (int t = 1; t < n; len++, t *= d) ; for (int i = 0; i < len; i++) { if (s[sl - i] == '?') b[i] = d; else if (s[sl - i] <= '9') b[i] = s[sl - i] - '0'; else b[i] = s[sl - i] - 'A' + 10; } bool flag = 1; for (int i = 0; i < 5; i++) { int p = calc(d, i); int ans = (dp[i][d][p] + c) % val[i]; for (int j = 0; j < 9; j++) { if (prime[i][j] && ans % prime[i][j] == 0) { printf("%d\n", prime[i][j]); flag = 0; break; } } if (!flag) break; } if (flag) puts("-1"); } return 0; }
11
CPP
n=int(input()) l=list(map(int,input().split())) l.sort() ans=0 for i in range(n): for j in range(i+1,n): for k in range(j+1,n): if(l[k]<l[i]+l[j] and l[i]!=l[j] and l[j]!=l[k]): ans+=1 print(ans)
0
PYTHON3
n,k=map(int,input().split()) l=list(map(int,input().split())) a=l[k-1] c=0 for i in l: if(i>=a and i!=0): c+=1 print(c)
7
PYTHON3
#include <bits/stdc++.h> using namespace std; const int MAXN = 2000; int n, D[MAXN][MAXN]; template <int N, int M, class T> struct LCA { std::vector<std::pair<int, T> > e[N]; int d[N], p[N][M]; T l[N]; void init(int n) { for (int i = 0; i < n; ++i) { e[i].clear(); } } void add(int u, int v, T w) { e[u].push_back(std::make_pair(v, w)); e[v].push_back(std::make_pair(u, w)); } void dfs(int u, int f) { p[u][0] = f; for (int i = 1; i < M; ++i) { p[u][i] = p[p[u][i - 1]][i - 1]; } for (int i = 0; i < (int)e[u].size(); ++i) { int v = e[u][i].first; if (v != f) { d[v] = d[u] + 1; l[v] = l[u] + e[u][i].second; dfs(v, u); } } } int up(int u, int m) { for (int i = 0; i < M; ++i) { if ((m >> i) & 1) { u = p[u][i]; } } return u; } int lca(int u, int v) { if (d[u] > d[v]) { std::swap(u, v); } v = up(v, d[v] - d[u]); if (u == v) { return u; } else { for (int i = M - 1; i >= 0; --i) { if (p[u][i] != p[v][i]) { u = p[u][i]; v = p[v][i]; } } return p[u][0]; } } T howfar(int u, int v) { int w = lca(u, v); return l[u] + l[v] - 2 * l[w]; } void build() { d[0] = l[0] = 0; dfs(0, 0); } }; LCA<MAXN, 11, int> lca; vector<pair<int, pair<int, int> > > V; int P[MAXN]; int getp(int x) { return x == P[x] ? x : (P[x] = getp(P[x])); } bool judge() { for (int i = 0; i < n; ++i) { if (D[i][i] != 0) { return false; } for (int j = i + 1; j < n; ++j) { if (D[i][j] != D[j][i]) { return false; } if (D[i][j] == 0) { return false; } } } for (int i = 0; i < n; ++i) { for (int j = i + 1; j < n; ++j) { V.push_back(make_pair(D[i][j], make_pair(i, j))); } } sort(V.begin(), V.end()); for (int i = 0; i < n; ++i) { P[i] = i; } lca.init(n); for (int i = 0; i < (int)V.size(); ++i) { int a = V[i].second.first; int b = V[i].second.second; int x = getp(a); int y = getp(b); if (x != y) { P[x] = y; lca.add(a, b, D[a][b]); } } for (int i = 1; i < n; ++i) { if (getp(0) != getp(i)) { return false; } } lca.build(); for (int i = 0; i < n; ++i) { for (int j = i + 1; j < n; ++j) { if (lca.howfar(i, j) != D[i][j]) { return false; } } } return true; } int main() { scanf("%d", &n); for (int i = 0; i < n; ++i) { for (int j = 0; j < n; ++j) { scanf("%d", &D[i][j]); } } puts(judge() ? "YES" : "NO"); return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; const int maxn = 3000 + 5; int n, dp[maxn * maxn], a[maxn]; int t[maxn], m; int lowbit(int x) { return x & (-x); } void add(int x, int d) { for (; x <= n; x += lowbit(x)) t[x] += d; } int ask(int x) { int res = 0; while (x) { res += t[x]; x -= lowbit(x); } return res; } int main() { scanf("%d", &n); for (int i = 1; i <= n; i++) { scanf("%d", &a[i]); m += (ask(n) - ask(a[i])); add(a[i], 1); } if (m == 0) puts("0.000000"); else { printf("%.6lf", 1.0 * (m & 1 ? ((m / 2) * 4 + 1) : ((m / 2) * 4))); } return 0; }
10
CPP
#include <bits/stdc++.h> using namespace std; int main() { int t; cin >> t; while (t != 0) { int n = 0; cin >> n; vector<int> v; v.resize(n); for (int i = 0; i < n; i++) { cin >> v[i]; } int count = 0; for (int i = 0; i < n; i++) { for (int j = i + 1; j < n; j++) { if (v[i] - v[j] == 1 || v[i] - v[j] == -1) count++; } } if (count == 0) { cout << "1" << endl; } else cout << "2" << endl; t--; } }
7
CPP
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; int a[n]; for (int i = 0; i < n; i++) { cin >> a[i]; } int d = 0; int min_diff = a[n - 1] - a[0]; for (int i = 0; i < n - 1; i++) { d = max(d, a[i + 1] - a[i]); } for (int i = 1; i < n - 1; i++) { min_diff = min(max(d, a[i + 1] - a[i - 1]), min_diff); } cout << min_diff << endl; }
7
CPP
n, m = map(int, input().split()) for i in range(n): if i % 2 == 0: print('#'*m) elif (i//2) % 2 == 0: print('.'*(m-1) + '#') else: print('#' + '.'*(m-1))
7
PYTHON3
#include <bits/stdc++.h> using namespace std; const long long MOD = pow(10, 9) + 7; long long fac[1001]; template <typename T, typename U> static inline void amin(T &x, U y) { if (y < x) x = y; } template <typename T, typename U> static inline void amax(T &x, U y) { if (x < y) x = y; } void SieveOfEratosthenes(long long n) { bool prime[n + 1]; memset(prime, true, sizeof(prime)); for (long long p = 2; p * p <= n; p++) { if (prime[p] == true) { for (long long i = p * p; i <= n; i += p) prime[i] = false; } } for (long long p = 2; p <= n; p++) if (prime[p]) { } } long long power(long long x, long long y, long long p) { long long res = 1; x = x % p; while (y > 0) { if (y & 1) res = (res * x) % p; y = y >> 1; x = (x * x) % p; } return res; } long long modInverse(long long n, long long p) { return power(n, p - 2, p); } long long nCrModPFermat(long long n, long long r, long long p) { if (n < r) return 0; if (r == 0) return 1; return (fac[n] * modInverse(fac[r], p) % p * modInverse(fac[n - r], p) % p) % p; } void dfs(long long v, vector<vector<long long>> &adj, vector<long long> &visited) { for (long long u : adj[v]) { if (!visited[u]) { visited[u] = 1; } } } void solve() { int n; cin >> n; if (n == 1) { cout << "a" << "\n"; return; } if (n == 2) { cout << "ab" << "\n"; return; } if (n == 3) { cout << "abc" << "\n"; return; } long long i; if (n & 1) { int cnt = (n - 2) / 2; string s = ""; for (i = 0; i < cnt; i++) { s += 'a'; } s += 'b'; s += 'c'; for (i = 0; i < cnt + 1; i++) { s += 'a'; } cout << s << "\n"; } else { int cnt = (n - 1) / 2; string s = ""; for (i = 0; i < cnt; i++) { s += 'a'; } s += 'b'; for (i = 0; i < cnt + 1; i++) { s += 'a'; } cout << s << "\n"; } return; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); long long test = 2; switch (test) { case 1: solve(); break; case 2: { long long t; cin >> t; while (t--) { solve(); } }; break; } }
10
CPP
#include <bits/stdc++.h> using namespace std; long long r[250], g[250], b[250]; long long dp[210][210][210]; int main() { int x, y, z; scanf("%d %d %d", &x, &y, &z); for (int i = 1; i <= x; i++) { scanf("%lld", &r[i]); } sort(r + 1, r + x + 1); for (int i = 1; i <= y; i++) { scanf("%lld", &g[i]); } sort(g + 1, g + y + 1); for (int i = 1; i <= z; i++) { scanf("%lld", &b[i]); } sort(b + 1, b + z + 1); long long ans = 0; memset(dp, -1, sizeof(dp)); dp[x][y][z] = 0; for (int i = x; i >= 0; i--) { for (int j = y; j >= 0; j--) { for (int k = z; k >= 0; k--) { if (dp[i + 1][j + 1][k] >= 0) { dp[i][j][k] = max(dp[i][j][k], dp[i + 1][j + 1][k] + r[i + 1] * g[j + 1]); } if (dp[i][j + 1][k + 1] >= 0) { dp[i][j][k] = max(dp[i][j][k], dp[i][j + 1][k + 1] + g[j + 1] * b[k + 1]); } if (dp[i + 1][j][k + 1] >= 0) { dp[i][j][k] = max(dp[i][j][k], dp[i + 1][j][k + 1] + r[i + 1] * b[k + 1]); } ans = max(ans, dp[i][j][k]); } } } printf("%lld\n", ans); }
10
CPP
#include <bits/stdc++.h> using namespace std; #define rep(i,n) for(int i=0;i<n;i++) #define REP(i,s,n) for(int i=s;i<n;i++) #define all(a) a.begin(),a.end() typedef long long ll; const ll inf = 1e9; int main(){ int a, b, c; cin >> a >> b >> c; cout << min(a, min(b, c)) << " " << max(a, max(b, c)) << endl; return 0; }
0
CPP
N = int(input()) M = 10**9 y = -(-N//M) x = (M - N%M) % M print(0,0,M,1,x,y)
0
PYTHON3
s = input() S = s[2:-1] if s[0]=='A' and S.count('C')==1 and s[1:].replace("C","",1).islower(): print('AC') else: print('WA')
0
PYTHON3
#include<bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair<int,int> pii; const int inf = 0x3f3f3f3f; #define Rep(i,a,b) for(register int i=(a);i<=int(b);++i) #define Dep(i,a,b) for(register int i=(a);i>=int(b);--i) #define rep(i,a,b) for(register int i=(a);i<int(b);++i) #define mem(x,v) memset(x,v,sizeof(x)) #define pc putchar #define gc getchar inline ll read(){ register ll x=0,f=1;register char c=gc(); for(;!isdigit(c);c=gc())if(c=='-')f=-1; for(;isdigit(c);c=gc())x=(x<<1)+(x<<3)+(c^48); return x*f; } void write(ll x){if(x<0)x=-x,pc('-');if(x>=10)write(x/10);putchar(x%10+'0');} void wri(ll x){write(x),pc(' ');} void writeln(ll x){write(x);pc('\n');} const int maxn = 2e5+233; const int mod = 1e9+7; int fac[maxn],ifac[maxn],n,i,ans,ct[maxn],ct2,X,Y,m11,m12,c11,m2[maxn],c[maxn],w[maxn]; bool b[maxn]; inline int qpow(int a,int b){ int ans=1; for(;b;b>>=1,a=1ll*a*a%mod) if(b&1) ans=1ll*ans*a%mod; return ans; } int main(){ fac[0] = 1;rep(i,1,maxn) fac[i] = 1ll * fac[i-1] * i % mod; ifac[maxn - 1] = qpow(fac[maxn-1],mod-2); Dep(i,maxn-2,0) ifac[i] = 1ll * ifac[i+1] * (i+1) % mod; n = read(),Y = read(),X = read(); Rep(i,1,n) m2[i]=1<<30,m11=m12=1<<30; Rep(i,1,n){ c[i]=read(),w[i]=read(); m2[c[i]]=min(m2[c[i]],w[i]); if(w[i]<m11) m12=m11,m11=w[i],c11=c[i]; else if(w[i]<m12) m12=w[i]; } Rep(i,1,n)if(c11!=c[i]&&m11+w[i]<=X || c11==c[i]&&m12+w[i]<=X) ++ct[c[i]],++ct2,b[i]=1; Rep(i,1,n)if(!b[i] && ct[c[i]] && m2[c[i]]+w[i]<=Y) ++ct[c[i]],++ct2; int ans=fac[ct2]; Rep(i,1,n) ans=1ll*ans*ifac[ct[i]]%mod; writeln(ans); }
0
CPP
from math import * for u in range(int(input())): n=int(input()) X=pi/(2*n) print(cos(X/2)/sin(X))
9
PYTHON3
N = int(input()) a = list(map(int, input().split())) ans = 0 for i in range(N): ans ^= a[i] if(ans == 0): print("Yes") else: print("No")
0
PYTHON3
#include <bits/stdc++.h> using namespace std; const int MOD = 1000000007; const int inf = 1 << 30; int n, t; int main() { cin >> n; int v; set<int> s; for (int i = 0; i < n; i++) { cin >> v; if (v != 0) s.insert(v); } int a = s.size(); if (a != 0) cout << a << endl; else cout << 1 << endl; return 0; }
7
CPP
#include <bits/stdc++.h> using namespace std; int main() { int t; cin >> t; while (t--) { int n, m, sum = 0; cin >> n >> m; int arr[n]; for (int i = 0; i < n; i++) { cin >> arr[i]; } for (int i = 0; i < n; i++) { sum += arr[i]; } if (sum != m) { cout << "NO" << endl; } else { cout << "YES" << endl; } } return 0; }
7
CPP
n = int(input()) m = (2*n-1) for i in range(1,1000): if 2*i-1>=n: ans=i break print(ans) c=0 for i in range(1,ans+1): print(1,i) c+=1 if c>=n: exit() for i in range(2,ans+1): print(ans,i) c+=1 if c>=n: break
8
PYTHON3
import sys import math input = sys.stdin.readline N = int(input()) k = N ans = set() while True: if k == 1 : break q = k for i in range(2,int(math.sqrt(k))+2): if k % i == 0: ans.add(i) k //= i break if k == q: ans.add(k) break if N == 1: print(1) elif len(ans) == 1: print(*ans) else: print(1)
7
PYTHON3
#include<iostream> using namespace std; int main(){ int n, w, r[205], b[205], ans = 0; cin >> n; for(int i=0; i<201; ++i) r[i] = b[i] = 201; for(int i=0; i<n; ++i) {cin >> w; cin >> r[w];} for(int i=0; i<n; ++i) {cin >> w; cin >> b[w];} for(int i=1; i<200; ++i){ if(b[i] != 201){ int rmaxi = 201; for(int k=0; k<i; ++k){ if(r[k] != 201 && r[k] < b[i]){ if(rmaxi == 201) rmaxi = k; if(r[rmaxi] < r[k]){ rmaxi = k; } } } if(rmaxi != 201){ r[rmaxi] = 201; ++ans; } } } cout << ans << endl; }
0
CPP
#include <bits/stdc++.h> using namespace std; const int MAXN = 3 * 10000 * 10 + 100; long long n, m, a[MAXN], b[MAXN], ans; long long find(long long k) { long long ans = 0; b[n - 1] = a[n - 1]; for (int i = n - 2; i >= 0; i--) b[i] = min(a[i], b[i + 1] - k); if (b[0] < (k * (k - 1) / 2 * n + k)) return 0; long long o = (k - 1) * m - (k - 1) * (k) / 2 * n + k - 1; long long pos0 = (b[0] <= o ? 1 : b[0] - o); long long empties = m - pos0 + 1 - k * n; o = k * (k - 1) / 2 * n + k * pos0; for (int i = 0; i < n; i++) { ans += o; b[i] -= o; o += k; } if (!empties) return ans; long long t = b[0]; ans += t * n; for (int i = 0; i < n; i++) { b[i] -= t; ans += min(b[i], empties); } return ans; } int main() { ios_base::sync_with_stdio(0); cin.tie(NULL); cin >> n >> m; for (int i = 0; i < n; i++) cin >> a[i]; for (int i = 1; i <= m / n; i++) ans = max(ans, find(i)); cout << ans << endl; return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; const int MAXN = 100000 + 10, LOG = 20; pair<pair<int, int>, int> e[MAXN]; struct Graph { int id, next, dis; bool flag; } g[MAXN * LOG * 2]; int n, N, m, tot, st[MAXN * LOG], dis[MAXN * LOG], size[MAXN * LOG], bel[MAXN * LOG], opp[MAXN]; bool b[MAXN * LOG]; void Add(int first, int second, int z) { g[tot].id = second, g[tot].dis = z, g[tot].flag = true, g[tot].next = st[first], st[first] = tot++; g[tot].id = first, g[tot].dis = z, g[tot].flag = true, g[tot].next = st[second], st[second] = tot++; } void init() { scanf("%d%d", &n, &m); N = n; tot = 0; for (int i = 1; i <= m; ++i) { int first; scanf("%d", &first); b[first] = true; } for (int i = 1; i <= n; ++i) bel[i] = i; memset(st, -1, sizeof(st)); tot = 0; for (int i = 1; i < n; ++i) { int first, second, z; scanf("%d%d%d", &first, &second, &z); Add(first, second, z); e[i] = make_pair(make_pair(first, second), z); } } int Find_G(int first, int fa, int n) { size[first] = 1; bool flag = true; for (int i = st[first]; i != -1; i = g[i].next) if (g[i].flag && g[i].id != fa) { int second = Find_G(g[i].id, first, n); if (second != -1) return second; size[first] += size[g[i].id]; if (size[g[i].id] > n / 2) flag = false; } if (flag && n - size[first] <= n / 2) return first; return -1; } const int INF = 0x3f3f3f3f; pair<int, int> DFS(int first, int fa) { size[first] = 1; pair<int, int> Tohka = b[first] ? make_pair(dis[first], first) : make_pair(-INF, 0); for (int i = st[first]; i != -1; i = g[i].next) if (g[i].flag && g[i].id != fa) { dis[g[i].id] = dis[first] + g[i].dis; pair<int, int> second = DFS(g[i].id, first); size[first] += size[g[i].id]; if (second.first == Tohka.first) Tohka.second = first; if (second.first > Tohka.first) Tohka = second; } return Tohka; } void solve(int dep, int first, int n) { if (n == 2) { for (int i = st[first]; i != -1; i = g[i].next) if (g[i].flag) { if (first < MAXN) opp[first] = g[i].id; if (g[i].id < MAXN) opp[g[i].id] = first; break; } return; } int G = Find_G(first, 0, n); pair<pair<int, int>, int> ent[3]; memset(ent, 0, sizeof(ent)); for (int i = 0; i < 3; ++i) ent[i].first.first = -INF; if (b[G]) ent[0].first = make_pair(0, G); for (int i = st[G]; i != -1; i = g[i].next) if (g[i].flag) { dis[g[i].id] = g[i].dis; pair<pair<int, int>, int> info = make_pair(DFS(g[i].id, G), g[i].id); if (ent[0] < info) ent[2] = ent[1], ent[1] = ent[0], ent[0] = info; else if (ent[1] < info) ent[2] = ent[1], ent[1] = info; else if (ent[2] < info) ent[2] = info; } int ty = (ent[0].first.first == ent[1].first.first) + (ent[0].first.first == ent[2].first.first); if (G < MAXN) if (ent[0].first.first != ent[1].first.first) opp[G] = ent[0].first.second; else opp[G] = G; for (int i = st[G]; i != -1; i = g[i].next) if (g[i].flag) { if (ent[0].first.first >= 0) if (!ty) { ++N; b[N] = true; if (g[i].id == ent[0].second) { if (ent[1].first.first >= 0) bel[N] = ent[1].first.second, Add(g[i].id, N, ent[1].first.first + g[i].dis); } else bel[N] = ent[0].first.second, Add(g[i].id, N, ent[0].first.first + g[i].dis); } else if (ty == 1) { ++N; b[N] = true; if (g[i].id != ent[0].second && g[i].id != ent[1].second) bel[N] = G, Add(g[i].id, N, ent[0].first.first + g[i].dis); else { int p = (g[i].id == ent[0].second); bel[N] = ent[p].first.second; Add(g[i].id, N, ent[0].first.first + g[i].dis); } } else { ++N; b[N] = true; bel[N] = G; Add(g[i].id, N, ent[0].first.first + g[i].dis); } g[i].flag = g[i ^ 1].flag = false; solve(dep + 1, g[i].id, size[g[i].id] + 1); } } int get_bel(int first) { if (bel[first] <= n) return bel[first]; bel[first] = get_bel(bel[first]); return bel[first]; } int f[MAXN][LOG], Tohka[MAXN], dep[MAXN], c[MAXN]; void Vis(int first, int fa) { for (int i = st[first]; i != -1; i = g[i].next) if (g[i].id != fa) { dep[g[i].id] = dep[first] + 1; f[g[i].id][0] = first; for (int j = 1; j < LOG; ++j) f[g[i].id][j] = f[f[g[i].id][j - 1]][j - 1]; Vis(g[i].id, first); } } int LCA(int first, int second) { if (dep[first] > dep[second]) swap(first, second); for (int i = LOG - 1; i >= 0; --i) if (dep[f[second][i]] >= dep[first]) second = f[second][i]; if (first == second) return first; for (int i = LOG - 1; i >= 0; --i) if (f[first][i] != f[second][i]) first = f[first][i], second = f[second][i]; return f[first][0]; } void Vis2(int first, int fa) { for (int i = st[first]; i != -1; i = g[i].next) if (g[i].id != fa) { Vis2(g[i].id, first); c[first] += c[g[i].id]; } Tohka[first] += c[first]; } void solve() { solve(0, 1, n); for (int i = 1; i <= n; ++i) opp[i] = get_bel(opp[i]); tot = 0; memset(st, -1, sizeof(st)); for (int i = 1; i < n; ++i) Add(e[i].first.first, e[i].first.second, e[i].second); Vis(1, 0); for (int i = 1; i <= n; ++i) if (b[i]) { int first = i, second = opp[i], lca = LCA(first, second); if (first == second) continue; ++Tohka[lca], c[lca] -= 2, ++c[first], ++c[second]; } Vis2(1, 0); int Houki = 0, Kurumi = 0; for (int i = 1; i <= n; ++i) if (!b[i]) { if (Tohka[i] > Houki) Houki = Tohka[i], Kurumi = 0; Kurumi += (Houki == Tohka[i]); } cout << Houki << " " << Kurumi << endl; } int main() { init(); solve(); fclose(stdin); fclose(stdout); return 0; }
11
CPP
#include <bits/stdc++.h> using namespace std; vector<int> v[4]; int dp[4][200111]; int e, s, n, m; int f(int a, int b) { int x = lower_bound(v[a].begin(), v[a].end(), b) - v[a].begin(); return dp[a][x] + max(0, v[a][x] - b - s); } int main() { scanf("%d%d%d%d", &e, &s, &n, &m); for (int i = 0; i < n; i++) { int a, b; scanf("%d%d", &a, &b); if (b >= e) continue; for (int j = 1; j <= a; j++) v[j].push_back(b); } for (int i = 1; i <= 3; i++) { v[i].push_back(e); sort(v[i].begin(), v[i].end()); for (int j = v[i].size() - 1 - 1; j >= 0; j--) dp[i][j] = dp[i][j + 1] + max(0, v[i][j + 1] - v[i][j] - s); } while (m--) { int a; scanf("%d", &a); if (f(1, a) != 0) printf("-1 -1\n"); else printf("%d %d\n", f(2, a) - f(1, a), f(3, a) - f(2, a)); } }
11
CPP
t=int(input()) for i in range(t): a,b,n=map(int,input().split()) l=[a,b] c=a^b l.append(c) print(l[n%3])
7
PYTHON3
#include <bits/stdc++.h> using namespace std; template <class TH> void _dbg(const char *sdbg, TH h) { cerr << sdbg << '=' << h << endl; } template <class TH, class... TA> void _dbg(const char *sdbg, TH h, TA... a) { while (*sdbg != ',') cerr << *sdbg++; cerr << '=' << h << ','; _dbg(sdbg + 1, a...); } template <class L, class R> ostream &operator<<(ostream &os, pair<L, R> p) { return os << "(" << p.first << ", " << p.second << ")"; } template <class Iterable, class = typename enable_if<!is_same<string, Iterable>::value>::type> auto operator<<(ostream &os, Iterable v) -> decltype(os << *begin(v)) { os << "["; for (auto vv : v) os << vv << ", "; return os << "]"; } const int inf = 0x3f3f3f3f; const long long infll = 0x3f3f3f3f3f3f3f3fll; template <class T> int sign(T x) { return (x > 0) - (x < 0); } template <class T> T abs(const T &x) { return (x < T(0)) ? -x : x; } const long long mod = (119 << 23) + 1, root = 62; long long modpow(long long b, long long e) { long long ans = 1; for (; e; b = b * b % mod, e /= 2) if (e & 1) ans = ans * b % mod; return ans; } void ntt(vector<long long> &a, vector<long long> &rt, vector<long long> &rev, int n) { for (int i = 0; i < n; i++) if (i < rev[i]) swap(a[i], a[rev[i]]); for (int k = 1; k < n; k *= 2) for (int i = 0; i < n; i += 2 * k) for (int j = 0; j < k; j++) { long long z = rt[j + k] * a[i + j + k] % mod, &ai = a[i + j]; a[i + j + k] = (z > ai ? ai - z + mod : ai - z); ai += (ai + z >= mod ? z - mod : z); } } vector<long long> conv(const vector<long long> &a, const vector<long long> &b) { if (a.empty() || b.empty()) return {}; int s = ((int)(a).size()) + ((int)(b).size()) - 1, B = 32 - __builtin_clz(s), n = 1 << B; vector<long long> L(a), R(b), out(n), rt(n, 1), rev(n); L.resize(n), R.resize(n); for (int i = 0; i < n; i++) rev[i] = (rev[i / 2] | (i & 1) << B) / 2; long long curL = mod / 2, inv = modpow(n, mod - 2); for (int k = 2; k < n; k *= 2) { long long z[] = {1, modpow(root, curL /= 2)}; for (int i = k; i < 2 * k; i++) rt[i] = rt[i / 2] * z[i & 1] % mod; } ntt(L, rt, rev, n); ntt(R, rt, rev, n); for (int i = 0; i < n; i++) out[-i & (n - 1)] = L[i] * R[i] % mod * inv % mod; ntt(out, rt, rev, n); return {out.begin(), out.begin() + s}; } struct term { vector<long long> p; bool operator<(const term &rhs) const { return p.size() < rhs.p.size(); } }; vector<long long> productory(vector<vector<long long>> polys) { multiset<term> s; for (auto &p : polys) s.insert({p}); while (s.size() > 1) { auto it = s.begin(); vector<long long> a = it->p; it = s.erase(it); vector<long long> b = it->p; s.erase(it); vector<long long> prod = conv(a, b); while (prod.back() == 0) prod.pop_back(); s.insert({prod}); } return s.begin()->p; } int main() { cin.sync_with_stdio(0); cin.tie(0); int n, p; cin >> n; map<int, int> rdm; for (int i = 0; i < n; i++) { cin >> p; rdm[p]++; } vector<vector<long long>> polys; for (auto x : rdm) { vector<long long> tmp(x.second + 1, 1); polys.push_back(tmp); } vector<long long> res = productory(polys); cout << res[n / 2] << endl; }
13
CPP
#include <bits/stdc++.h> using namespace std; const long long N = 5e5 + 5; int main() { ios::sync_with_stdio(false); cin.tie(NULL); long long n, k; cin >> n >> k; string s, t; cin >> s >> t; long long possible = 0, res = 0, first = 0, second = 0; long long i = 0; for (i = 0; i < n && possible < k; i++) { first *= 2ll; second *= 2ll; first += s[i] - 'a'; second += t[i] - 'a'; possible = second - first + 1; res += min(possible, k); } i = n - i; res += k * i; cout << res << "\n"; return 0; }
11
CPP