solution
stringlengths
10
159k
difficulty
int64
0
3.5k
language
stringclasses
2 values
t = int(input()) for _ in range(t) : n = int(input()) l =list(map(int,input().split())) l.sort() f = 0 for i in range(1,n) : if l[i]-l[i-1]==1 : f = 1 break if f==1 : print("2") else : print("1")
800
PYTHON3
#include <bits/stdc++.h> const int N = 400200; const int Q = 400200; using namespace std; int n; int tim; int dip[N]; int tin[N]; int tout[N]; int f[N][20]; vector<int> v[N]; void dfs(int x, int p) { tin[x] = ++tim; f[x][0] = p; for (int i = 1; i < 20; i++) f[x][i] = f[f[x][i - 1]][i - 1]; for (int y : v[x]) { if (y == p) continue; dip[y] = dip[x] + 1; dfs(y, x); } tout[x] = ++tim; } bool isp(int x, int y) { return tin[x] <= tin[y] && tout[x] >= tout[y]; } int lca(int x, int y) { if (isp(x, y)) return x; if (isp(y, x)) return y; for (int i = 19; i >= 0; i--) if (!isp(f[x][i], y)) x = f[x][i]; return f[x][0]; } int V[N]; int s[N]; int a[N]; int id[N]; int inv[N]; int spec[N]; vector<pair<int, int> > g[N]; int get_len(int x, int y) { return dip[x] + dip[y] - 2 * dip[lca(x, y)]; } void make(set<pair<pair<int, int>, int> > &S, int x) { int i = a[x]; for (auto p : g[x]) { if (a[p.first]) { continue; } S.insert({{(get_len(V[i], inv[p.first]) - 1) / s[i] + 1, i}, p.first}); } } pair<int, int> T[N]; void upd_(int x, int y) { while (x < N) { T[x] = max(T[x], make_pair(tin[y], y)); x += x & -x; } } void cler(int x) { while (x < N) { T[x] = {0, 0}; x += x & -x; } } pair<int, int> get_(int x) { pair<int, int> res = {0, 0}; while (x > 0) { res = max(res, T[x]); x -= x & -x; } return res; } void solve() { int k, m; scanf("%d%d", &k, &m); vector<int> v; for (int i = 1; i <= k; i++) { scanf("%d%d", V + i, s + i); v.push_back(V[i]); } for (int i = 1; i <= m; i++) { scanf("%d", spec + i); v.push_back(spec[i]); } sort(v.begin(), v.end(), [&](int x, int y) { return tin[x] < tin[y]; }); int len = v.size(); for (int i = 1; i < len; i++) { if (v[i] == v[i - 1]) { continue; } v.push_back(lca(v[i - 1], v[i])); } sort(v.begin(), v.end(), [&](int x, int y) { return make_pair(tin[x], x) < make_pair(tin[y], y); }); vector<int> nv = {v[0]}; for (int i = 1; i < v.size(); i++) if (v[i] != v[i - 1]) nv.push_back(v[i]); v = nv; for (int i = 1; i <= v.size(); i++) g[i].clear(); for (int i = 0, len; i < v.size(); i++) { auto q = get_(N - tin[v[i]]); id[v[i]] = i + 1; inv[i + 1] = v[i]; if (q.second > 0) { len = dip[v[i]] - dip[q.second]; g[id[q.second]].push_back({i + 1, len}); g[i + 1].push_back({id[q.second], len}); } upd_(N - tout[v[i]], v[i]); } for (int i = 0; i < v.size(); i++) { cler(N - tout[v[i]]); } for (int i = 1; i <= v.size(); i++) a[i] = 0; set<pair<pair<int, int>, int> > S; for (int i = 1; i <= k; i++) { int x = V[i]; a[id[x]] = i; } for (int i = 1; i <= k; i++) { make(S, id[V[i]]); } while (!S.empty()) { auto shit = *S.begin(); S.erase(S.begin()); if (a[shit.second]) { continue; } a[shit.second] = shit.first.second; make(S, shit.second); } for (int i = 1; i <= m; i++) { printf("%d ", a[id[spec[i]]]); } printf("\n"); } int main() { ios_base::sync_with_stdio(0); scanf("%d", &n); for (int i = 1, x, y; i < n; i++) { scanf("%d%d", &x, &y); v[x].push_back(y); v[y].push_back(x); } dfs(1, 1); int q; scanf("%d", &q); while (q--) { solve(); } }
3,000
CPP
from collections import deque, Counter, OrderedDict from heapq import nsmallest, nlargest from math import ceil,floor,log,log2,sqrt def binNumber(n,size=1): return bin(n)[2:].zfill(size) def gcd(a,b): if a == 0: return b return gcd(b%a,a) def iar(): return list(map(int,input().split())) def ini(): return int(input()) def isp(): return map(int,input().split()) def sti(): return str(input()) # ========= /\ /| |====/| # | / \ | | / | # | /____\ | | / | # | / \ | | / | # ========= / \ ===== |/====| # code if __name__ == "__main__": n = ini() x = [] y = [] z = [] for _ in range(n): a = iar() x.append(a[0]) y.append(a[1]) z.append(a[2]) if abs(sum(x)) + abs(sum(y)) + abs(sum(z)) == 0: print("YES") else: print("NO")
1,000
PYTHON3
a,b=input().split() n=int(a) k=int(b)-1 s=input().split() s1=list(s) L=[] for i in s1: sd=int(i) L.append(sd) sum=0 for i in range(n): if (L[i]>=L[k])&(L[i]>0): sum=sum+1 print(sum)
800
PYTHON3
#include <bits/stdc++.h> using namespace std; using ll = long long; using pii = pair<int, int>; using pll = pair<ll, ll>; using pil = pair<int, ll>; using pli = pair<ll, int>; using piii = pair<int, pii>; using pib = pair<int, bool>; using ld = long double; struct node { int l, r; ll v; }; int n, x; ll psa1[300001], psa2[300001], kv[300001], jv[300001]; node st[1200000]; void b1(int l, int r, int i) { st[i] = {l, r, 0}; if (l != r) { int mid = (l + r) / 2; b1(l, mid, i * 2 + 1); b1(mid + 1, r, i * 2 + 2); st[i].v = min(st[i * 2 + 1].v, st[i * 2 + 2].v); } else st[i].v = psa1[l]; } void b2(int l, int r, int i) { if (l != r) { int mid = (l + r) / 2; b2(l, mid, i * 2 + 1); b2(mid + 1, r, i * 2 + 2); st[i].v = min(st[i * 2 + 1].v, st[i * 2 + 2].v); } else st[i].v = kv[l]; } void b3(int l, int r, int i) { if (l != r) { int mid = (l + r) / 2; b3(l, mid, i * 2 + 1); b3(mid + 1, r, i * 2 + 2); st[i].v = max(st[i * 2 + 1].v, st[i * 2 + 2].v); } else st[i].v = jv[l]; } ll q1(int l, int r, int i) { if (st[i].l >= l && st[i].r <= r) { return st[i].v; } else { int mid = (st[i].l + st[i].r) / 2; if (r <= mid) return q1(l, r, i * 2 + 1); else if (l > mid) return q1(l, r, i * 2 + 2); else { return min(q1(l, r, i * 2 + 1), q1(l, r, i * 2 + 2)); } } } ll q2(int l, int r, int i) { if (st[i].l >= l && st[i].r <= r) { return st[i].v; } else { int mid = (st[i].l + st[i].r) / 2; if (r <= mid) return q2(l, r, i * 2 + 1); else if (l > mid) return q2(l, r, i * 2 + 2); else { return max(q2(l, r, i * 2 + 1), q2(l, r, i * 2 + 2)); } } } int main() { cin.sync_with_stdio(0); cin.tie(0); cin >> n >> x; for (int i = 1; i <= n; i++) { cin >> psa1[i]; psa2[i] = psa1[i] * x + psa2[i - 1]; psa1[i] += psa1[i - 1]; } b1(0, n, 0); for (int i = 1; i <= n; i++) { kv[i] = psa2[i] - psa1[i] + q1(0, i, 0); } b2(0, n, 0); for (int i = 1; i <= n; i++) { jv[i] = psa2[i] - psa1[i] - q1(0, i, 0); } b3(0, n, 0); ll ans = 0; for (int i = 1; i <= n; i++) { ans = max(ans, psa1[i] + q2(0, i, 0)); } cout << ans << "\n"; return 0; }
1,900
CPP
log_word = input() i = 0 hello_word = 'hello' for val in log_word: if val == hello_word[i]: i += 1 if(i == 5): break print('YES' if i == 5 else 'NO')
1,000
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { long long int r, b; cin >> r >> b; int xr[b], xb[b], yr[b], yb[b]; for (int i = 0; i < b; i++) { cin >> xr[i] >> yr[i]; } for (int i = 0; i < b; i++) { cin >> xb[i] >> yb[i]; } if (r != b) { cout << "NO" << endl; return 0; } cout << "YES" << endl; return 0; }
1,600
CPP
#include <bits/stdc++.h> using namespace std; const double eps = 1e-10; const int dx[] = {1, 0, -1, 0, -1, -1, 1, 1}; const int dy[] = {0, 1, 0, -1, -1, 1, -1, 1}; const double PI = M_PI; const int OO = INT_MAX; template <class A, class B> A convert(B x) { stringstream s; s << x; A r; s >> r; return r; } int main() { double arr[6]; for (int i = 0; i < 5; i++) { cin >> arr[i]; } double distance = sqrt((arr[1] - arr[3]) * (arr[1] - arr[3]) + (arr[2] - arr[4]) * (arr[2] - arr[4])); cout << ceil(distance / (2.0 * arr[0])) << '\n'; return 0; }
1,400
CPP
#include <bits/stdc++.h> using namespace std; inline long long read() { long long ret = 0, f = 1; char ch = getchar(); while (ch < '0' || ch > '9') { if (ch == '-') f = -1; ch = getchar(); } while (ch >= '0' && ch <= '9') ret = ret * 10 + ch - '0', ch = getchar(); return ret * f; } const long long maxn = 55; const double eps = 1e-5, INF = 1.0e9; long long n; double ans = -1.0; double f[maxn][maxn][maxn]; pair<long long, long long> tasks[maxn]; bool check(double now) { for (long long i = 0; i <= n; i++) for (long long j = 0; j <= n; j++) for (long long k = 0; k <= n; k++) f[i][j][k] = INF; f[0][0][0] = 0.0; for (long long i = 1; i <= n; i++) for (long long j = 0; j <= i; j++) for (long long k = 0; k <= i; k++) if (f[i - 1][j][k] != INF) { double delta = (double)tasks[i].first - now * (double)tasks[i].second; if (tasks[i - 1].first == tasks[i].first || i == 1) { f[i][j][k] = min(f[i][j][k], f[i - 1][j][k] + delta); if (j - 1 >= 0) f[i][j - 1][k] = min(f[i][j - 1][k], f[i - 1][j][k] + delta); f[i][j][k + 1] = min(f[i][j][k + 1], f[i - 1][j][k]); } else { if (j + k <= n) f[i][j + k][0] = min(f[i][j + k][0], f[i - 1][j][k] + delta); if (j + k - 1 >= 0 && j + k - 1 <= n) f[i][j + k - 1][0] = min(f[i][j + k - 1][0], f[i - 1][j][k] + delta); if (j + k <= n) f[i][j + k][1] = min(f[i][j + k][1], f[i - 1][j][k]); } } return f[n][0][0] < 0.0; } bool cmp(pair<long long, long long> aa, pair<long long, long long> bb) { return aa.first < bb.first; } signed main() { n = read(); for (long long i = 1; i <= n; i++) tasks[i].first = read(); for (long long i = 1; i <= n; i++) tasks[i].second = read(); sort(tasks + 1, tasks + 1 + n, cmp); double L = 0.0001, R = 1.0e8; while (L <= R) { double mid = (L + R) / 2.0; if (check(mid)) R = mid - eps; else ans = mid, L = mid + eps; } printf("%lld\n", (long long)ceil(ans * 1000.0)); return 0; }
2,500
CPP
#include <bits/stdc++.h> using namespace std; int n, m, a[105][105], b[105][105]; vector<pair<int, int>> p; int main() { ios_base::sync_with_stdio(0); cin >> n >> m; for (int i = (1); i <= (n); i++) for (int j = (1); j <= (m); j++) cin >> a[i][j]; for (int i = (1); i <= (n - 1); i++) for (int j = (1); j <= (m - 1); j++) if (a[i][j] && a[i + 1][j] && a[i][j + 1] && a[i + 1][j + 1]) b[i][j] = b[i][j + 1] = b[i + 1][j] = b[i + 1][j + 1] = 1; for (int i = (1); i <= (n); i++) for (int j = (1); j <= (m); j++) if (a[i][j] != b[i][j]) return cout << -1, 0; for (int i = (1); i <= (n - 1); i++) for (int j = (1); j <= (m - 1); j++) if (a[i][j] && a[i + 1][j] && a[i][j + 1] && a[i + 1][j + 1]) p.push_back(make_pair(i, j)); cout << p.size() << '\n'; for (auto v : p) cout << v.first << " " << v.second << '\n'; }
1,200
CPP
import sys input=sys.stdin.readline t=int(input()) for tt in range(t): n = int(input()) a1 = input().strip("\n") b1 = input().strip("\n") ans = [] a = [] b = [] for i in a1: a.append(int(i)) for i in b1: b.append(int(i)) for i in range(n-1,-1,-1): if a[0] == b[i]: a[0] ^= 1 ans.append(1) ans.append(i+1) temp = a[0:i+1] temp = temp[::-1] length = len(temp) for j in range(length): temp[j] ^= 1 for j in range(i+1): a[j] = temp[j] print(len(ans),end=" ") for i in ans: print(i,end=" ") print()
1,300
PYTHON3
#include <bits/stdc++.h> using namespace std; int a[100100]; int b[100100]; int c[100100]; int main() { int n; cin >> n; int k = 0; for (int i = 0; i < n; i++) { a[i] = i; } int j = 1; j %= n; for (int i = 0; i < n; i++) { b[i] = j; j++; j %= n; } for (int i = 0; i < n; i++) { c[i] = a[i] + b[i]; c[i] %= n; } set<int> st; for (int i = 0; i < n; i++) { st.insert(c[i]); } if (st.size() != n) { cout << -1; return 0; } for (int i = 0; i < n; i++) { printf("%d ", a[i]); } printf("\n"); for (int i = 0; i < n; i++) { printf("%d ", b[i]); } printf("\n"); for (int i = 0; i < n; i++) { printf("%d ", c[i]); } printf("\n"); return 0; }
1,300
CPP
n=int(input()) v=list(map(int,input().split())) a=[] for _v in v: if _v: a.append(_v) v=a n=len(a) if n>128: print(3) exit(0) ans=1e10 dis=[[1e10 for _ in range(n)] for __ in range(n)] dp=[[1e10 for _ in range(n)] for __ in range(n)] for i in range(n): for j in range(n): if i!=j and v[i]&v[j]: dp[i][j]=dis[i][j]=1 for k in range(n): for i in range(k): for j in range(i+1,k): ans=min(ans,dp[i][j]+dis[i][k]+dis[k][j]) for i in range(n): for j in range(n): dp[i][j]=min(dp[i][j],dp[i][k]+dp[k][j]) print([ans,-1][ans==1e10])
1,900
PYTHON3
#include <bits/stdc++.h> using namespace std; const int MAX_SIZE = 110; bool space[MAX_SIZE][MAX_SIZE][MAX_SIZE]; int N, M, K; void read_state() { for (int i = 0; i < MAX_SIZE; ++i) for (int j = 0; j < MAX_SIZE; ++j) for (int k = 0; k < MAX_SIZE; ++k) space[i][j][k] = false; string states = ""; for (int i = 1; i <= N; ++i) for (int j = 1; j <= M; ++j) { cin >> states; for (int k = 1; k <= K; ++k) space[i][j][k] = (states[k - 1] == '1'); } return; } bool is_important(int i, int j, int k) { if ((space[i - 1][j][k] && space[i + 1][j][k]) || (space[i][j - 1][k] && space[i][j + 1][k]) || (space[i][j][k - 1] && space[i][j][k + 1])) { return true; } if (space[i - 1][j][k]) { if (space[i][j + 1][k] && !space[i - 1][j + 1][k]) return true; if (space[i][j][k + 1] && !space[i - 1][j][k + 1]) return true; } if (space[i][j - 1][k]) { if (space[i + 1][j][k] && !space[i + 1][j - 1][k]) return true; if (space[i][j][k + 1] && !space[i][j - 1][k + 1]) return true; } if (space[i][j][k - 1]) { if (space[i + 1][j][k] && !space[i + 1][j][k - 1]) return true; if (space[i][j + 1][k] && !space[i][j + 1][k - 1]) return true; } return false; } void print_state() { for (int i = 1; i <= N; ++i, cout << endl) for (int j = 1; j <= M; ++j, cout << endl) for (int k = 1; k <= K; ++k) { if (space[i][j][k]) { if (is_important(i, j, k)) cout << '*'; else cout << '1'; } else { cout << '0'; } } return; } int main(void) { ios_base::sync_with_stdio(false); cin >> N >> M >> K; read_state(); int answer = 0; for (int i = 1; i <= N; ++i) for (int j = 1; j <= M; ++j) for (int k = 1; k <= K; ++k) { if (space[i][j][k]) answer += is_important(i, j, k); } cout << answer << endl; return 0; }
1,800
CPP
cases = int(input()) for _ in range(cases): n = int(input()) numbers = [int(number) for number in input().split()] print(n*3) for i in range(0, n, 2): for k in range(6): print("%s %s %s" % (k%2+1, i+1, i+2))
1,100
PYTHON3
#include <bits/stdc++.h> using namespace std; const int MN = 1e6 + 5, mod = 1e9 + 7; int N, dp[MN], nxt[MN], sum[MN]; char s[MN]; inline int get_val(int x) { return nxt[x] < N ? dp[nxt[x]] : 0; } int main() { scanf("%s", s); N = strlen(s); for (int i = 0; i < N; ++i) if (s[i] == '0') sum[i] = (i ? sum[i - 1] : 0) + 1; for (int i = 0; i <= N; ++i) nxt[0] = N; for (int i = N - 1; i >= 0; --i) { dp[i] = ((sum[i] <= sum[N - 1]) + get_val(0) + get_val(sum[i] + 1)) % mod; nxt[sum[i]] = i; } if (nxt[0] < N) printf("%d\n", 1ll * get_val(0) * (nxt[0] + 1) % mod); else printf("%d\n", N); return 0; }
2,800
CPP
#include <bits/stdc++.h> using namespace std; const int maxn = 5000; long long x, y; string s[30]; int nm[600000][25], n, k, mx, k1[600000], k2[600000], k3[600000], v, tp[500000], a[300], b[300], c[300]; struct sq { int l, m, w; }; sq d[600000]; bool cmp(const sq &i, const sq &j) { if (i.l < j.l) return 1; else if (i.l == j.l && (i.m < j.m)) return 1; else if (i.l == j.l && i.m == j.m && i.w < j.w) return 1; else return 0; } void go(int l, int r, int x, int y, int z, int k) { if (l > r) { v++; d[v].l = x - y; d[v].m = y - z; d[v].w = v; k1[v] = x; k2[v] = y; k3[v] = z; for (int i = 1; i <= k; i++) nm[v][i] = tp[i]; return; } k++; tp[k] = 1; go(l + 1, r, x + a[l], y + b[l], z, k); tp[k] = 2; go(l + 1, r, x + a[l], y, z + c[l], k); tp[k] = 3; go(l + 1, r, x, y + b[l], z + c[l], k); } void go2(int l, int r, int x, int y, int z, int k) { if (l > r) { int ll = lower_bound(d + 1, d + v + 1, (sq){y - x, z - y, 0}, cmp) - d; if (ll == v + 1) return; if (x - y + d[ll].l == 0 && y - z + d[ll].m == 0) { if (k1[d[ll].w] + x > mx) mx = k1[d[ll].w] + x; else return; for (int i = 1; i <= n / 2; i++) { int x = d[ll].w; if (nm[x][i] == 1) s[i].assign("LM"); else if (nm[x][i] == 2) s[i].assign("LW"); else if (nm[x][i] == 3) s[i].assign("MW"); } for (int i = 1; i <= n - n / 2; i++) { if (tp[i] == 1) s[i + n / 2].assign("LM"); else if (tp[i] == 2) s[i + n / 2].assign("LW"); else if (tp[i] == 3) s[i + n / 2].assign("MW"); } return; } return; } k++; tp[k] = 1; go2(l + 1, r, x + a[l], y + b[l], z, k); tp[k] = 2; go2(l + 1, r, x + a[l], y, z + c[l], k); tp[k] = 3; go2(l + 1, r, x, y + b[l], z + c[l], k); } void build(int l, int r) { k = 0; go(l, r, 0, 0, 0, 0); } void build2(int l, int r) { k = 0; sort(d + 1, d + v + 1, cmp); go2(l, r, 0, 0, 0, 0); } int main() { ios_base::sync_with_stdio(0); cin >> n; for (int i = 1; i <= n; i++) cin >> a[i] >> b[i] >> c[i]; if (n == 1) { if (a[1] == 0 && b[1] == 0) cout << "LM\n"; else if (a[1] == 0 && c[1] == 0) cout << "LW\n"; else if (b[1] == 0 && c[1] == 0) cout << "MW\n"; return 0; } mx = -2e9; build(1, n / 2); build2(n / 2 + 1, n); if (mx != -2e9) { for (int i = 1; i <= n; i++) cout << s[i] << "\n"; } else cout << "Impossible\n"; return 0; }
2,300
CPP
#include <bits/stdc++.h> using namespace std; const int N = 5e5 + 5; const int INF = 0x3f3f3f3f; struct qry { int l, r, idx, ans; }; int n, q, a[N], f[N], last[N]; vector<qry> qs; pair<int, int> first[4 * N]; void update(int idx, int val, int p = 1, int l = 1, int r = n) { int mid = (l + r) / 2; if (l == r) { first[p] = {val, a[l]}; return; } if (idx <= mid) update(idx, val, 2 * p, l, mid); else update(idx, val, 2 * p + 1, mid + 1, r); first[p] = min(first[2 * p], first[2 * p + 1]); } pair<int, int> query(int i, int j, int p = 1, int l = 1, int r = n) { if (j < l or i > r) return {INF, INF}; if (i <= l and r <= j) return first[p]; return min(query(i, j, 2 * p, l, (l + r) / 2), query(i, j, 2 * p + 1, (l + r) / 2 + 1, r)); } int main() { ios_base::sync_with_stdio(0), cin.tie(0); cin >> n; for (int i = 1; i <= n; i++) cin >> a[i]; cin >> q; qs.resize(q); for (int i = 0; i < q; i++) cin >> qs[i].l >> qs[i].r, qs[i].idx = i, qs[i].ans = 0; sort(qs.begin(), qs.end(), [](qry a, qry b) { return a.r == b.r ? a.l < b.l : a.r < b.r; }); for (int i = 0; i < 4 * N; i++) first[i] = {INF, INF}; int ptr = 0; for (auto &x : qs) { while (ptr < x.r) { ptr++; f[a[ptr]] = last[a[ptr]]; if (last[a[ptr]]) update(last[a[ptr]], INF); last[a[ptr]] = ptr; update(ptr, f[a[ptr]]); } pair<int, int> ans = query(x.l, x.r); if (ans.first < x.l) x.ans = ans.second; } sort(qs.begin(), qs.end(), [](qry a, qry b) { return a.idx < b.idx; }); for (auto x : qs) cout << x.ans << "\n"; }
2,400
CPP
x=input() y=list(x) k="" i=0 while(1): if(i<len(y)): if(y[i]=="."): k=k+"0" i=i+1 else: if(y[i+1]=="-"): k=k+"2" else: k=k+"1" i=i+2 else: break print(k)
800
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(0); cin.tie(0); string s[2]; long long int n, k, i; cin >> n >> k; for (i = 0; i < n; i++) { s[0] += "."; s[1] += "."; } if (k % 2 == 0) { for (i = 1; i <= k / 2; i++) s[0][i] = s[1][i] = '#'; } else { if (k <= n - 2) { k--; s[0][n / 2] = '#'; for (i = 1; i <= k / 2; i++) s[0][n / 2 - i] = s[0][n / 2 + i] = '#'; } else { for (i = 1; i <= n - 2; i++) s[0][i] = '#'; k -= n - 2; for (i = 1; i <= k / 2; i++) s[1][i] = s[1][n - 1 - i] = '#'; } } cout << "YES\n"; for (i = 0; i < n; i++) cout << "."; cout << "\n"; cout << s[0] << "\n"; cout << s[1] << "\n"; for (i = 0; i < n; i++) cout << "."; cout << "\n"; return 0; }
1,600
CPP
w,h,k = map(int,input().split()) ans = 0 for i in range(k): minus= i*4 ans += 2*(w - 2*minus + h) - 4 print(ans)
800
PYTHON3
#include <bits/stdc++.h> int main() { int n, numa, numb, i, x; int a[105], b[105], ans[105]; scanf("%d %d %d", &n, &numa, &numb); memset(a, 0, sizeof(a)); memset(b, 0, sizeof(b)); memset(ans, 0, sizeof(ans)); for (i = 1; i <= numa; i++) { scanf("%d", &x); a[x] = 1; ans[x] = 1; } for (i = 1; i <= numb; i++) { scanf("%d", &x); b[x] = 1; if (ans[x] == 0) ans[x] = 2; } for (i = 1; i <= n; i++) printf("%d ", ans[i]); return 0; }
800
CPP
#include <bits/stdc++.h> using namespace std; int a, b, c; long long Prefix[5007], C[5007][5007]; inline void init() { memset(C, 0, sizeof(C)); for (int i = 0; i <= 5000; i++) { C[i][0] = 1LL; for (int j = 1; j <= i; j++) C[i][j] = (C[i - 1][j - 1] + C[i - 1][j]) % 998244353; } Prefix[0] = 1LL; for (int i = 1; i <= 5000; i++) Prefix[i] = (Prefix[i - 1] * (long long)i) % 998244353; } int main() { init(); scanf("%d %d %d", &a, &b, &c); long long temp1 = 0; for (int i = 0; i <= min(a, b); i++) temp1 = (temp1 + (((C[a][i] * C[b][i]) % 998244353) * Prefix[i]) % 998244353) % 998244353; long long temp2 = 0; for (int i = 0; i <= min(a, c); i++) temp2 = (temp2 + (((C[a][i] * C[c][i]) % 998244353) * Prefix[i]) % 998244353) % 998244353; long long temp3 = 0; for (int i = 0; i <= min(b, c); i++) temp3 = (temp3 + (((C[b][i] * C[c][i]) % 998244353) * Prefix[i]) % 998244353) % 998244353; printf("%lld\n", ((temp1 * temp2) % 998244353 * temp3) % 998244353); return 0; }
1,800
CPP
#include <bits/stdc++.h> using namespace std; const long long inf = 2e18 + 7; const long long mod = 1e9 + 7; const double eps = 1e-12; const double PI = 2 * acos(0.0); const double E = 2.71828; int n, a, b; int f[100005]; int main(void) { scanf("%d", &n); for (int(i) = 0; (i) < (n); ++(i)) { int x; scanf("%d", &x); if (x == 1) ++a; else ++b; } f[0] = 1; f[1] = 1; for (int i = 2; i <= a; ++i) { f[i] = (f[i - 1] + 1LL * (i - 1) * f[i - 2]) % mod; } int res = f[a]; for (int i = 0, cnt = a + 1; i < b; ++i, ++cnt) { res = (1LL * res * cnt) % mod; } printf("%d\n", res); return 0; }
2,300
CPP
#include <bits/stdc++.h> using namespace std; const int MAX_N = 100000; const int BN = 17; vector<int> nbrs[MAX_N]; int ps[MAX_N][BN], ds[MAX_N], cns[MAX_N], ss[MAX_N]; long long ess[MAX_N], pess[MAX_N]; int find_lca(int u, int v) { if (ds[u] > ds[v]) swap(u, v); for (int i = BN - 1; i >= 0; i--) if (((ds[v] - ds[u]) >> i) & 1) v = ps[v][i]; if (u == v) return u; for (int i = BN - 1; i >= 0; i--) if (ps[u][i] != ps[v][i]) { u = ps[u][i]; v = ps[v][i]; } return ps[u][0]; } int main() { int n, m; scanf("%d%d", &n, &m); for (int i = 1; i < n; i++) { int a, b; scanf("%d%d", &a, &b); a--, b--; nbrs[a].push_back(b); nbrs[b].push_back(a); } ps[0][0] = -1, ds[0] = 0; queue<int> q; q.push(0); while (!q.empty()) { int u = q.front(); q.pop(); int up = ps[u][0], vd = ds[u] + 1; vector<int> &nbru = nbrs[u]; for (vector<int>::iterator vit = nbru.begin(); vit != nbru.end(); vit++) { int v = *vit; if (v != up) { ps[v][0] = u, ds[v] = vd; cns[u]++; q.push(v); } } } for (int u = 0; u < n; u++) if (cns[u] == 0) q.push(u); while (!q.empty()) { int u = q.front(); q.pop(); ss[u]++; int up = ps[u][0]; if (up >= 0) { ess[up] += ess[u] + ss[u]; ss[up] += ss[u]; if (--cns[up] == 0) q.push(up); } } for (int k = 0; k < BN - 1; k++) for (int u = 0; u < n; u++) ps[u][k + 1] = (ps[u][k] >= 0) ? ps[ps[u][k]][k] : -1; pess[0] = ess[0]; q.push(0); while (!q.empty()) { int u = q.front(); q.pop(); int up = ps[u][0]; vector<int> &nbru = nbrs[u]; for (vector<int>::iterator vit = nbru.begin(); vit != nbru.end(); vit++) { int v = *vit; if (v != up) { pess[v] = pess[u] - ss[v] + (n - ss[v]); q.push(v); } } } while (m--) { int u, v; scanf("%d%d", &u, &v); u--, v--; if (ds[u] > ds[v]) swap(u, v); int w = find_lca(u, v); double e = 0.0; if (w == u) { int cu = v, d = ds[v] - ds[u] - 1; for (int k = BN - 1; k >= 0; k--) if ((d >> k) & 1) cu = ps[cu][k]; int spu = n - ss[cu]; long long epu = pess[u] - (ess[cu] + ss[cu]); long long esum = epu * ss[v] + ess[v] * spu + (long long)(ds[v] - ds[u] + 1) * spu * ss[v]; e = (double)esum / ((long long)spu * ss[v]); } else { long long esum = ess[u] * ss[v] + ess[v] * ss[u] + (long long)(ds[u] + ds[v] - ds[w] * 2 + 1) * ss[u] * ss[v]; e = (double)esum / ((long long)ss[u] * ss[v]); } printf("%.8lf\n", e); } return 0; }
2,300
CPP
class Node: def __init__(self, key = 0, left = None, right = None): self.key = key self.left = left self.right = right def find(self, x): if self.key == x: return self if self.right and self.key < x: return self.right.find(x) if self.left and self.key > x: return self.left.find(x) return None def insert(self, x): if x < self.key: if self.left: self.left.insert(x) else: self.left = Node(x) elif x > self.key: if self.right: self.right.insert(x) else: self.right = Node(x) def find_min(self): cur = self while cur.left: cur = cur.left return cur def remove(self, x): if x < self.key: self.left = self.left.remove(x) elif x > self.key: self.right = self.right.remove(x) else: if self.left == None: return self.right elif root.right == None: return self.left temp = self.right.find_min() self.key = temp.key self.right = self.right.remove(temp.key) return self def size(self): size_left = 0 size_right = 0 if self.left: size_left = self.left.size() if self.right: size_right = self.right.size() return size_left + size_right + 1 class Set: def __init__(self): self.root = None def insert(self, x): if self.root: self.root.insert(x) else: self.root = Node(x) def remove(self, x): if self.root: self.root = self.root.remove(x) def find(self, x): if self.root: return self.root.find(x) return None def size(self): if self.root: return self.root.size() return 0 input_line = input().split() n = int(input_line[0]) x0 = float(input_line[1]) y0 = float(input_line[2]) bonus = 0 s = Set() for i in range(n): x, y = map(float, input().split()) if y == y0: bonus = 1 continue s.insert((x - x0) / (y - y0)) print(s.size() + bonus)
1,400
PYTHON3
#include <bits/stdc++.h> using namespace std; int a[400]; int check(long long int val, int n) { long long int vl = sqrt(val); int ct = 0; for (int h = 1; h <= vl; h++) { if (h != vl && val % h == 0) { ct += 2; } if (h == vl && 1LL * vl * vl == val) ct++; else if (h == vl && val % vl == 0) ct += 2; } if (ct - 2 == n) return 1; else return 0; } int main() { int t; cin >> t; while (t--) { int n; cin >> n; for (int h = 0; h < n; h++) cin >> a[h]; sort(a, a + n); long long int val, cal; int f = 1; if (n % 2 == 0) { val = 1LL * a[0] * a[n - 1]; for (int h = 1; h < n / 2; h++) { cal = 1LL * a[h] * a[n - h - 1]; if (cal != val) { f = 0; break; } } } else { val = 1LL * a[n / 2] * a[n / 2]; for (int h = 0; h < n / 2; h++) { cal = 1LL * a[h] * a[n - h - 1]; if (cal != val) { f = 0; break; } } } if (f == 0) { cout << -1 << endl; } else { if (check(val, n)) cout << val << endl; else cout << -1 << endl; } } }
1,600
CPP
fast=lambda:stdin.readline().strip() zzz=lambda:[int(i) for i in fast().split()] z,zz=input,lambda:list(map(int,z().split())) szz,graph,mod,szzz=lambda:sorted(zz()),{},10**9+7,lambda:sorted(zzz()) from re import * from sys import * from math import * from heapq import * from queue import * from bisect import * from string import * from itertools import * from collections import * from math import factorial as f from bisect import bisect as bs from bisect import bisect_left as bsl from collections import Counter as cc from itertools import accumulate as ac def lcd(xnum1,xnum2):return (xnum1*xnum2//gcd(xnum1,xnum2)) def output(answer):stdout.write(str(answer)) ###########################---Test-Case---################################# """ If you Know me , Then you probably don't know me ! """ ###########################---START-CODING---############################## n=int(z()) arr=zzz() mx=max(arr) lst=[mx-arr[i] for i in range(n)] g=lst[0] for i in lst[1:]: g=gcd(g,i) print(sum(lst)//g,g)
1,300
PYTHON3
#include <bits/stdc++.h> using namespace std; template <class T1> void deb(T1 e1) { cout << e1 << endl; } template <class T1, class T2> void deb(T1 e1, T2 e2) { cout << e1 << " " << e2 << endl; } template <class T1, class T2, class T3> void deb(T1 e1, T2 e2, T3 e3) { cout << e1 << " " << e2 << " " << e3 << endl; } template <class T1, class T2, class T3, class T4> void deb(T1 e1, T2 e2, T3 e3, T4 e4) { cout << e1 << " " << e2 << " " << e3 << " " << e4 << endl; } template <class T1, class T2, class T3, class T4, class T5> void deb(T1 e1, T2 e2, T3 e3, T4 e4, T5 e5) { cout << e1 << " " << e2 << " " << e3 << " " << e4 << " " << e5 << endl; } template <class T1, class T2, class T3, class T4, class T5, class T6> void deb(T1 e1, T2 e2, T3 e3, T4 e4, T5 e5, T6 e6) { cout << e1 << " " << e2 << " " << e3 << " " << e4 << " " << e5 << " " << e6 << endl; } struct data { int vl, step; } tmp; int main() { int n, arr[100000 + 7], cnt, tym, ans, i, j, k; while (scanf("%d", &n) == 1) { stack<data> stk; for (i = 1; i <= n; i++) { scanf("%d", &arr[i]); } ans = 0; tmp.vl = arr[n]; tmp.step = 0; stk.push(tmp); for (i = n - 1; i > 0; i--) { cnt = 1; while (!stk.empty() and stk.top().vl < arr[i]) { ans = max(ans, cnt); cnt = max(cnt, stk.top().step); stk.pop(); cnt++; } tmp.vl = arr[i]; tmp.step = cnt - 1; stk.push(tmp); } printf("%d\n", ans); } return 0; }
1,900
CPP
def reverse(s): return 'b' if s == 'a' else 'a' t = int(input()) for _ in range(t): n = int(input()) diff = list(map(int, input().split())) words = ['a'*50]*(len(diff)+1) print(words[0]) for i in range(1, len(diff)+1): words[i] = words[i-1][:diff[i-1]]+reverse(words[i-1][diff[i-1]:diff[i-1]+1])+words[i-1][diff[i-1]+1:] print(words[i])
1,200
PYTHON3
#include <bits/stdc++.h> using namespace std; template <typename T> inline bool chkmin(T &a, const T &b) { return a > b ? a = b, 1 : 0; } template <typename T> inline bool chkmax(T &a, const T &b) { return a < b ? a = b, 1 : 0; } const int oo = 0x3f3f3f3f; const int Mod = 1e9 + 7; const int maxn = 1000100; int fac[maxn + 5]; inline void prepare() { fac[0] = 1; for (int i = (0), i_end_ = (maxn); i < i_end_; ++i) fac[i + 1] = (long long)fac[i] * (i + 1) % Mod; } int n; int a[maxn + 5]; bool notpr[maxn + 5]; int res[maxn + 5]; int ker[maxn + 5]; int bel[maxn + 5], cnt[maxn + 5], val[maxn + 5]; bool vis[maxn + 5]; inline int calc() { for (int i = (1), i_end_ = (n + 1); i < i_end_; ++i) res[i] = i, ker[i] = 1; memset(notpr, 0, sizeof notpr); int ret = 1; for (int i = 2; i * i <= n; ++i) if (!notpr[i]) for (int j = i; j <= n; j += i) { ker[j] *= i; notpr[j] = 1; while (!(res[j] % i)) res[j] /= i; } for (int i = (1), i_end_ = (n + 1); i < i_end_; ++i) if (a[i] && ker[i] != ker[a[i]]) return 0; for (int i = (1), i_end_ = (n + 1); i < i_end_; ++i) ker[i] *= res[i]; for (int i = (1), i_end_ = (n + 1); i < i_end_; ++i) ++cnt[ker[i]]; for (int i = (1), i_end_ = (n + 1); i < i_end_; ++i) if (a[i]) --cnt[ker[i]]; for (int i = (1), i_end_ = (n + 1); i < i_end_; ++i) ret = (long long)ret * fac[cnt[i]] % Mod; memset(cnt, 0, sizeof cnt); memset(vis, 0, sizeof vis); bel[1] = 1; for (int i = (2), i_end_ = (n + 1); i < i_end_; ++i) if (!notpr[i]) bel[i] = n / i; for (int i = (1), i_end_ = (n + 1); i < i_end_; ++i) if (bel[i]) ++cnt[bel[i]]; for (int i = (1), i_end_ = (n + 1); i < i_end_; ++i) if (a[i]) { if (bel[res[i]] != bel[res[a[i]]]) return 0; if (i == 1 || res[i] > 1) { if (val[res[i]]) { if (val[res[i]] != res[a[i]]) return 0; } else { if (vis[res[a[i]]]) return 0; val[res[i]] = res[a[i]]; vis[res[a[i]]] = 1; --cnt[bel[res[i]]]; } } } for (int i = (1), i_end_ = (n + 1); i < i_end_; ++i) ret = (long long)ret * fac[cnt[i]] % Mod; return ret; } int main() { prepare(); scanf("%d", &n); for (int i = (1), i_end_ = (n + 1); i < i_end_; ++i) scanf("%d", a + i); printf("%d\n", calc()); return 0; }
3,000
CPP
#include <bits/stdc++.h> const uint64_t mod = 2e9 + 11; const uint64_t pp = 919; using ll = int64_t; using namespace std; ll CalculateAnswer(vector<ll>& a, ll k) { ll res = k; for (int i = 0; i + 1 < a.size(); ++i) { res += min(k, a[i + 1] - a[i]); } return res; } void solve() { ll n, h; cin >> n >> h; vector<ll> a(n); for (auto& el : a) { cin >> el; } ll l = 0, r = h; while (l + 1 < r) { ll c = l + (r - l) / 2; if (CalculateAnswer(a, c) < h) { l = c; } else { r = c; } } cout << r << endl; } int main() { std::ios_base::sync_with_stdio(false); std::cin.tie(nullptr), std::cout.tie(nullptr); int t; cin >> t; while (t--) { solve(); } return 0; }
1,200
CPP
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 5; struct SegmentBeats { struct node { long long sum; int mx1, mx2, cnt, lz; } seg[N << 2]; SegmentBeats() { build(); } inline node merge(node a, node b) { if (a.mx1 < b.mx1) swap(a, b); a.mx1 > b.mx1 ? a.mx2 = max(a.mx2, b.mx1) : a.cnt += b.cnt; a.sum += b.sum, a.lz = 0, a.mx2 = max(a.mx2, b.mx2); return a; } inline void change(int id, int x) { if (seg[id].mx1 > x) { seg[id].sum += 1LL * seg[id].cnt * (x - seg[id].mx1); seg[id].mx1 = seg[id].lz = x; } } inline void shift(int id) { if (seg[id].lz) { change(id << 1 | 1, seg[id].lz); change(id << 1, seg[id].lz); seg[id].lz = 0; } } void build(int id = 1, int st = 0, int en = N) { seg[id].cnt = en - st; if (en - st == 1) return; int mid = st + en >> 1; build(id << 1, st, mid); build(id << 1 | 1, mid, en); } void set(int p, int x, int id = 1, int st = 0, int en = N) { if (en - st == 1) { seg[id] = {x, x, 0, 1, 0}; return; } shift(id); int mid = st + en >> 1; p < mid ? set(p, x, id << 1, st, mid) : set(p, x, id << 1 | 1, mid, en); seg[id] = merge(seg[id << 1], seg[id << 1 | 1]); } void update(int l, int r, int x, int id = 1, int st = 0, int en = N) { if (r <= st || en <= l || seg[id].mx1 <= x) return; if (l <= st && en <= r && seg[id].mx2 < x) return change(id, x); shift(id); int mid = st + en >> 1; update(l, r, x, id << 1, st, mid); update(l, r, x, id << 1 | 1, mid, en); seg[id] = merge(seg[id << 1], seg[id << 1 | 1]); } long long get(int l, int r, int id = 1, int st = 0, int en = N) { if (r <= st || en <= l) return 0; if (l <= st && en <= r) return seg[id].sum; shift(id); int mid = st + en >> 1; return get(l, r, id << 1, st, mid) + get(l, r, id << 1 | 1, mid, en); } } A[2]; struct SegmentMin { int seg[N << 2]; SegmentMin() { memset(seg, 63, sizeof seg); } void update(int l, int r, int x, int id = 1, int st = 0, int en = N) { if (r <= st || en <= l) return; if (l <= st && en <= r) { seg[id] = min(seg[id], x); return; } int mid = st + en >> 1; update(l, r, x, id << 1, st, mid); update(l, r, x, id << 1 | 1, mid, en); } int get(int p, int id = 1, int st = 0, int en = N) { if (en - st == 1) return seg[id]; int mid = st + en >> 1; return min(seg[id], p < mid ? get(p, id << 1, st, mid) : get(p, id << 1 | 1, mid, en)); } } B[2]; set<int> S[3]; int main() { int q; scanf("%d", &q); for (int i = 0; i < N; i++) S[2].insert(i); while (q--) { int t, l, r; scanf("%d%d%d", &t, &l, &r); if (t & 1) { int k; scanf("%d", &k); auto it = S[2].lower_bound(l); while (it != S[2].end() && *it < r) { S[k < 0].insert(*it), S[2].erase(it); it = S[2].lower_bound(l); } it = S[k > 0].lower_bound(l), B[k < 0].update(l, r, abs(k)); while (it != S[k > 0].end() && *it < r) { A[k < 0].set(*it, B[k < 0].get(*it)); A[k > 0].set(*it, B[k > 0].get(*it)); S[k > 0].erase(it), it = S[k > 0].lower_bound(l); } A[k < 0].update(l, r, abs(k)); } else printf("%lld\n", A[0].get(l, r) + A[1].get(l, r)); } }
3,100
CPP
#include <bits/stdc++.h> using namespace std; bool win(int a[3][3], int x) { bool w = 0; for (int i = 0; i < 3; i++) { w |= (a[i][0] == x & a[i][1] == x & a[i][2] == x); w |= (a[0][i] == x & a[1][i] == x & a[2][i] == x); } w |= (a[0][0] == x & a[1][1] == x & a[2][2] == x); w |= (a[0][2] == x & a[1][1] == x & a[2][0] == x); return w; } int main() { char c; int a[3][3]; memset(a, 0, sizeof(a)); int nx = 0, no = 0; for (int i = 0; i < 3; i++) for (int j = 0; j < 3; j++) { cin >> c; nx += (c == 'X'); no += (c == '0'); a[i][j] += (c == 'X'); a[i][j] += (c == '0') * 2; } bool wx = 0, wo = 0; if (nx - no > 1) { cout << "illegal" << endl; return 0; } if (nx - no < 0) { cout << "illegal" << endl; return 0; } wx = win(a, 1); wo = win(a, 2); if (wx && wo) { cout << "illegal" << endl; return 0; } if (wx && (nx == no)) { cout << "illegal" << endl; return 0; } if (wo && (nx > no)) { cout << "illegal" << endl; return 0; } if (wx) { cout << "the first player won" << endl; return 0; } if (wo) { cout << "the second player won" << endl; return 0; } if (nx + no == 9 && wx + wo == 0) { cout << "draw" << endl; return 0; } if (nx == no) { cout << "first" << endl; return 0; } else { cout << "second" << endl; return 0; } return 0; }
1,800
CPP
import sys n=int(input ()) a=list(map(int, input ().split())) a.sort() k=sys.maxsize c=0 for I in range(1,n): if k>a[I]-a[I-1]: k=a[I]-a[I-1] for I in range(1,n): if k==a[I]-a[I-1]: c+=1 print(k,c)
1,100
PYTHON3
s = input() n = len(s) MOD = 10**9+7 bckt = [] ct = 0 for i in range(n): if s[i] == "a": ct += 1 elif s[i] == "b" and ct: bckt.append(ct) ct = 0 if ct: bckt.append(ct) prod = 1 for i in bckt: prod = (prod*(i+1))%MOD prod = (prod-1)%MOD print(prod)
1,500
PYTHON3
#!/usr/bin/python3 import sys input = lambda: sys.stdin.readline().strip() for _ in range(int(input())): k = int(input()) s = input() a = [*(i for i in range(k) if s[i] == 'A'), k] print(max((j - i - 1 for i, j in zip(a, a[1:])), default=0))
800
PYTHON3
import io import os from collections import deque, defaultdict if 'STDINPUT' not in os.environ: input = io.BytesIO(os.read(0, os.fstat(0).st_size)).readline else: print('Standard input') def solve(): n = int(input()) a = [abs(int(x)) for x in input().split()] for i in range(n//2+1): a[i*2] = -a[i*2] print(*a) test_cases = True if test_cases: _q = int(input()) for _ in range(_q): solve() else: solve()
1,100
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); int n, k; cin >> n >> k; vector<int> v(n); for (int i = 0; i < n; i++) cin >> v[i]; int maxl = 1, curr = 1; for (int i = 1; i < n; i++) { if (v[i] == v[i - 1]) curr = 1; else curr++; maxl = max(curr, maxl); } cout << maxl << endl; return 0; }
1,000
CPP
for _ in range(int(input())): a,b,c,d=map(int,input().split()) if b==d or a==c: print(abs(a-c)+abs(b-d)) else: print(abs(a-c)+abs(b-d)+2)
800
PYTHON3
#include <bits/stdc++.h> using namespace std; const int INF = 0x3f3f3f3f, MOD = 1e9 + 7; const int N = 1e3 + 1000, n_ = 2e3 + 3000; long long gcd(long long a, long long b) { return (a ? gcd(b % a, a) : b); } long long power(long long a, long long n) { long long p = 1; while (n > 0) { if (n % 2) { p = p * a; } n >>= 1; a *= a; } return p; } long long power(long long a, long long n, long long mod) { long long p = 1; while (n > 0) { if (n % 2) { p = p * a; p %= mod; } n >>= 1; a *= a; a %= mod; } return p % mod; } int n, m, q, par[n_]; vector<pair<pair<int, int>, pair<int, int> > > e; void rm() { for (int i = 0; i < n_; i++) { par[i] = i; } } int find(int u) { return par[u] = (par[u] == u ? u : find(par[u])); } int merge(int u, int v) { int fu = find(u), fv = find(v); if (fv == fu) return 0; par[fv] = find(u + N); par[fu] = find(v + N); return 1; } int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); cin >> n >> m >> q; for (int i = 0; i < m; i++) { int u, v, w; pair<pair<int, int>, pair<int, int> > tmp; cin >> u >> v >> w; u--, v--; tmp.second.first = u, tmp.second.second = v, tmp.first.first = w, tmp.first.second = i; e.push_back(tmp); } sort((e).begin(), (e).end()); while (q--) { int l, r, ans = -1; cin >> l >> r; l--; rm(); for (int i = m - 1; i >= 0; i--) { if (e[i].first.second >= l && e[i].first.second < r && !merge(e[i].second.first, e[i].second.second)) { ans = e[i].first.first; break; } } cout << ans << "\n"; } return 0; }
2,500
CPP
import math h1, h2 = map(int, input().split()) a, b = map(int, input().split()) # if h1 + 8 * a >= h2: # print(0) # else: # if 20*a-12*b<=0: # print(-1) # else: # print(math.ceil((h2-h1)/(20*a-12*b))) if h1 + 8 * a >= h2: print(0) else: if a <= b: print(-1) else: d = 0 h1 += 8*a-12*b while True: d+=1 h1 += 12*a if h1 >= h2: break h1 -= 12*b print(d)
1,400
PYTHON3
t=int(input()) for _ in range(t): a,b=map(int,input().split()) if(abs(b-a)%10): print(abs(b-a)//10+1) else: print(abs(b-a)//10)
800
PYTHON3
#include <bits/stdc++.h> using namespace std; const long long int mod = 1000000007; const long long int N = 5e5; void solve() { long long int n; cin >> n; string A; cin >> A; string B; cin >> B; long long int ans = 0; for (long long int i = 0; i < n; ++i) { if (i + 1 < n && A[i] != B[i] && A[i + 1] != B[i + 1] && A[i] == B[i + 1] && A[i + 1] == B[i]) { ans++; i++; } else if (A[i] != B[i]) { ans++; } } cout << ans << endl; } int32_t main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); long long int t; t = 1; while (t--) { solve(); } return 0; }
1,300
CPP
n,a=int(input()),[*map(int,input().split())] for j in range(1,(n+1)//2): if n%j==0: for l in range(j): t=1 for i in range(l,n,j): if a[i]==0:t=0;break if t:exit(print("YES")) print("NO")
1,600
PYTHON3
from math import factorial from collections import Counter from heapq import heapify, heappop, heappush import os import sys from io import BytesIO, IOBase # region fastio BUFSIZE = 8192 class FastIO(IOBase): newlines = 0 def __init__(self, file): self._fd = file.fileno() self.buffer = BytesIO() self.writable = "x" in file.mode or "r" not in file.mode self.write = self.buffer.write if self.writable else None def read(self): while True: b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE)) if not b: break ptr = self.buffer.tell() self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr) self.newlines = 0 return self.buffer.read() def readline(self): while self.newlines == 0: b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE)) self.newlines = b.count(b"\n") + (not b) ptr = self.buffer.tell() self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr) self.newlines -= 1 return self.buffer.readline() def flush(self): if self.writable: os.write(self._fd, self.buffer.getvalue()) self.buffer.truncate(0), self.buffer.seek(0) class IOWrapper(IOBase): def __init__(self, file): self.buffer = FastIO(file) self.flush = self.buffer.flush self.writable = self.buffer.writable self.write = lambda s: self.buffer.write(s.encode("ascii")) self.read = lambda: self.buffer.read().decode("ascii") self.readline = lambda: self.buffer.readline().decode("ascii") sys.stdin, sys.stdout = IOWrapper(sys.stdin), IOWrapper(sys.stdout) input = lambda: sys.stdin.readline().rstrip("\r\n") # ------------------------------ def RL(): return map(int, sys.stdin.readline().rstrip().split()) def comb(n, m): return factorial(n) / (factorial(m) * factorial(n - m)) if n >= m else 0 def perm(n, m): return factorial(n) // (factorial(n - m)) if n >= m else 0 def mdis(x1, y1, x2, y2): return abs(x1 - x2) + abs(y1 - y2) mod = 1000000007 INF = float('inf') # ------------------------------ def main(): n, kk = list(RL()) cards = ["S", "E", "T"] cs = [] res = 0 rec = set() for i in range(n): c = input() cs.append(c) rec.add(c) for i in range(len(cs) - 1): for j in range(i + 1, len(cs)): new = "" for k in range(kk): if cs[i][k] == cs[j][k]: new += cs[i][k] else: for t in cards: if t != cs[i][k] and t != cs[j][k]: new += t if new in rec: res += 1 print(res // 3) if __name__ == "__main__": main()
1,500
PYTHON3
tc = int(input()) for tc_idx in range(tc): n, x = map(int, input().split()) *a, = map(int, input().split()) *b, = map(int, input().split()) a.sort() b.sort(reverse=True) res = True for aa, bb in zip(a, b): if aa + bb > x: res = False break print("Yes" if res else "No") if tc_idx != tc - 1: _ = input()
800
PYTHON3
from collections import defaultdict, deque, Counter from sys import stdin, stdout from heapq import heappush, heappop import math import io import os import math import bisect #?############################################################ def isPrime(x): for i in range(2, x): if i*i > x: break if (x % i == 0): return False return True #?############################################################ def ncr(n, r, p): num = den = 1 for i in range(r): num = (num * (n - i)) % p den = (den * (i + 1)) % p return (num * pow(den, p - 2, p)) % p #?############################################################ def primeFactors(n): l = [] while n % 2 == 0: l.append(2) n = n / 2 for i in range(3, int(math.sqrt(n))+1, 2): while n % i == 0: l.append(int(i)) n = n / i if n > 2: l.append(n) return list(set(l)) #?############################################################ def power(x, y, p): res = 1 x = x % p if (x == 0): return 0 while (y > 0): if ((y & 1) == 1): res = (res * x) % p y = y >> 1 x = (x * x) % p return res #?############################################################ def sieve(n): prime = [True for i in range(n+1)] p = 2 while (p * p <= n): if (prime[p] == True): for i in range(p * p, n+1, p): prime[i] = False p += 1 return prime #?############################################################ def digits(n): c = 0 while (n > 0): n //= 10 c += 1 return c #?############################################################ def ceil(n, x): if (n % x == 0): return n//x return n//x+1 #?############################################################ def mapin(): return map(float, input().split()) #?############################################################ # input = io.BytesIO(os.read(0, os.fstat(0).st_size)).readline # python3 15.py<in>op def solve(a,b,size): msf = -1e9 meh = 0 for i in range(b,size): meh = meh + a[i] if (msf < meh): msf = meh if meh < 0: meh = 0 return msf t = 1 for _ in range(t): r, x1, x2, x3,x4 = mapin() dis = (x4-x2)**2 dis2 = (x3-x1)**2 dis+=dis2 dis = math.sqrt(dis) r+=r ans = math.ceil(dis/r) print(ans)
1,400
PYTHON3
#include <bits/stdc++.h> using namespace std; vector<bool> isThere; string t; vector<string> p; vector<int> sums; void tryit(int i, int n); int sum(int x, int n); int main() { int n, m; cin >> n >> m; for (int i = 0; i <= n; ++i) isThere.push_back(false); tryit(1, n); sort(p.begin(), p.end()); int max = 0; sums.resize(p.size()); for (int i = 0; i < p.size(); ++i) { sums[i] = sum(i, n); if (sums[i] > max) max = sums[i]; } int x = 0; while (m != 0) { if (sums[x] == max) --m; ++x; } --x; for (int i = 0; i < p[x].size(); ++i) { cout << (int)p[x][i] << " "; } cout << endl; return 0; } void tryit(int i, int n) { for (int j = 1; j <= n; ++j) { if (!isThere[j]) { t.push_back(j); isThere[j] = true; if (t.size() == n) { p.push_back(t); } else tryit(j, n); t.pop_back(); isThere[j] = false; } } } int sum(int x, int n) { int s = 0; vector<int> t; for (int i = 0; i < p[x].length(); ++i) t.push_back(int(p[x][i])); for (int i = 0; i < n; ++i) { for (int j = i; j < n; ++j) { int min = 300000; for (int k = i; k <= j; ++k) if (t[k] < min) min = t[k]; s += min; } } return s; }
1,400
CPP
#include <bits/stdc++.h> using namespace std; string s; long long n, i; long long pal(string aa) { long long ii; for (ii = 0; ii < n; ii++) if (aa[ii] != aa[n - ii - 1]) return 0; return 1; } long long sama(long long aa, long long bb) { long long ii; for (ii = aa; ii <= bb; ii++) if (s[ii] != s[aa]) return 0; return 1; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); cin >> s; n = s.length(); for (i = 1; i < n; i++) { string s1 = s.substr(0, i); string s2 = s.substr(i, n - i); string s3 = s2 + s1; if (pal(s3) && s3 != s) { cout << 1 << "\n"; return 0; } } long long tengah = n / 2; if (sama(0, tengah - 1)) cout << "Impossible\n"; else cout << 2 << "\n"; }
1,800
CPP
x=[] for i in input(): x += [int(i)] l=[] while len(x): d = 0 for i in range(len(x)): if x[i] > 0: d += int(10**(len(x) - i - 1)) x[i] -= 1 l += [d] while len(x) and x[0] == 0: x.pop(0) print(len(l)) print(*l)
1,400
PYTHON3
import sys import math import heapq import bisect from collections import Counter from collections import defaultdict from io import BytesIO, IOBase import string class FastIO(IOBase): newlines = 0 def __init__(self, file): import os self.os = os self._fd = file.fileno() self.buffer = BytesIO() self.writable = "x" in file.mode or "r" not in file.mode self.write = self.buffer.write if self.writable else None self.BUFSIZE = 8192 def read(self): while True: b = self.os.read(self._fd, max(self.os.fstat(self._fd).st_size, self.BUFSIZE)) if not b: break ptr = self.buffer.tell() self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr) self.newlines = 0 return self.buffer.read() def readline(self): while self.newlines == 0: b = self.os.read(self._fd, max(self.os.fstat(self._fd).st_size, self.BUFSIZE)) self.newlines = b.count(b"\n") + (not b) ptr = self.buffer.tell() self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr) self.newlines -= 1 return self.buffer.readline() def flush(self): if self.writable: self.os.write(self._fd, self.buffer.getvalue()) self.buffer.truncate(0), self.buffer.seek(0) class IOWrapper(IOBase): def __init__(self, file): self.buffer = FastIO(file) self.flush = self.buffer.flush self.writable = self.buffer.writable self.write = lambda s: self.buffer.write(s.encode("ascii")) self.read = lambda: self.buffer.read().decode("ascii") self.readline = lambda: self.buffer.readline().decode("ascii") sys.stdin, sys.stdout = IOWrapper(sys.stdin), IOWrapper(sys.stdout) input = lambda: sys.stdin.readline().rstrip("\r\n") def get_int(): return int(input()) def get_ints(): return list(map(int, input().split(' '))) def get_int_grid(n): return [get_ints() for _ in range(n)] def get_str(): return input().strip() def get_strs(): return get_str().split(' ') def flat_list(arr): return [item for subarr in arr for item in subarr] def yes_no(b): if b: return "YES" else: return "NO" def binary_search(good, left, right, delta=1, right_true=False): """ Performs binary search ---------- Parameters ---------- :param good: Function used to perform the binary search :param left: Starting value of left limit :param right: Starting value of the right limit :param delta: Margin of error, defaults value of 1 for integer binary search :param right_true: Boolean, for whether the right limit is the true invariant :return: Returns the most extremal value interval [left, right] which is good function evaluates to True, alternatively returns False if no such value found """ limits = [left, right] while limits[1] - limits[0] > delta: if delta == 1: mid = sum(limits) // 2 else: mid = sum(limits) / 2 if good(mid): limits[int(right_true)] = mid else: limits[int(~right_true)] = mid if good(limits[int(right_true)]): return limits[int(right_true)] else: return False def prefix_sums(a): p = [0] for x in a: p.append(p[-1] + x) return p def solve_f(): n = get_int() s = get_str() t = get_str() Cs = Counter(s) Ct = Counter(t) for k, v in Cs.items(): if k not in Ct or Ct[k] != v: return False for k, v in Cs.items(): if v > 1: return True inv_s, inv_t = 0, 0 for i in range(n): for j in range(i): inv_s += s[j] > s[i] inv_t += t[j] > t[i] return (inv_s + inv_t) % 2 == 0 t = get_int() for _ in range(t): print(yes_no(solve_f()))
2,000
PYTHON3
#include <bits/stdc++.h> using namespace std; const double eps = 1e-9; template <class T> struct RMQ { const int STEP_P = 5; const int STEP = 1 << STEP_P; vector<T> data; const T INF; vector<vector<T> > small_powers; vector<vector<T> > group_powers; int N; RMQ(vector<T> data_, T INF_) : data(data_), INF(INF_){}; void init() { N = int((data).size()); small_powers = vector<vector<T> >(STEP_P + 1, vector<T>(N)); small_powers[0] = data; for (int p = (0); p < (STEP_P); p++) for (int n = (0); n < (N); n++) { small_powers[p + 1][n] = min(small_powers[p][n], small_powers[p][min(n + (1 << p), N - 1)]); } int GN = (N + STEP - 1) / STEP; int GP = 1; while (GN > (1 << GP)) ++GP; group_powers = vector<vector<T> >(GP + 1, vector<T>(GN)); for (int i = (0); i < (GN); i++) group_powers[0][i] = small_powers[STEP_P][i << STEP_P]; for (int p = (0); p < (GP); p++) for (int n = (0); n < (GN); n++) { group_powers[p + 1][n] = min(group_powers[p][n], group_powers[p][min(n + (1 << p), GN - 1)]); } } int largest_bit(int n) { return 31 - __builtin_clz(max(1, n - 1)); } T query(int f, int t) { assert(f >= 0 && t <= N); if (f >= t) return INF; int p = min(STEP_P, largest_bit(t - f)); auto res = min(small_powers[p][f], small_powers[p][t - (1 << p)]); if (t - f > STEP + STEP) { int g_f = f / STEP + 1, g_t = t / STEP; p = largest_bit(g_t - g_f); res = min(res, min(group_powers[p][g_f], group_powers[p][g_t - (1 << p)])); } return res; } }; const int MAXN = 5e5; long long A[MAXN]; vector<int> adj[MAXN]; vector<long long> dp_only[MAXN]; vector<long long> dp_not[MAXN]; long long dp_all[MAXN]; int todo[MAXN]; int xo[MAXN]; long long cost[MAXN]; int etox[MAXN][2]; int edgeval[MAXN][2]; int N, Q; long long calc_not(int n, int eid) { int xid = etox[eid][0]; if (int((adj[n]).size()) <= xid || adj[n][xid] != eid) xid = etox[eid][1]; if (dp_not[n][xid] == -1) { if (dp_all[n] == -1) { dp_all[n] = A[n]; todo[n] = xid; for (int i = (0); i < (int((adj[n]).size())); i++) if (i != xid) { int neid = adj[n][i]; dp_only[n][i] = max(0ll, calc_not(xo[neid] ^ n, neid) - cost[neid] * 2ll); dp_all[n] += dp_only[n][i]; } dp_not[n][xid] = dp_all[n]; } else if (todo[n] != -1) { int neid = adj[n][todo[n]]; dp_only[n][todo[n]] = max(0ll, calc_not(xo[neid] ^ n, neid) - cost[neid] * 2ll); dp_all[n] += dp_only[n][todo[n]]; assert(dp_only[n][xid] != -1); dp_not[n][xid] = dp_all[n] - dp_only[n][xid]; todo[n] = -1; } else { assert(dp_only[n][xid] != -1); dp_not[n][xid] = dp_all[n] - dp_only[n][xid]; } } return dp_not[n][xid]; } long long calc_only(int n, int eid) { int xid = etox[eid][0]; if (adj[n][xid] != eid) xid = etox[eid][1]; assert(adj[n][xid] == eid); assert(dp_only[n][xid] != -1); return dp_only[n][xid]; } int parent_edge[MAXN]; int depth[MAXN]; long long dp_acc[MAXN]; pair<int, int> tmp_rmqdata[MAXN * 2]; int rmqposition[MAXN]; int TMP_RMQDATA; void calc_accumulate(int n) { rmqposition[n] = TMP_RMQDATA; tmp_rmqdata[TMP_RMQDATA++] = make_pair(depth[n], n); for (auto eid : adj[n]) if (eid != parent_edge[n]) { int to = xo[eid] ^ n; dp_acc[to] = dp_acc[n] - calc_only(n, eid) - cost[eid] + calc_not(to, eid); depth[to] = depth[n] + 1; parent_edge[to] = eid; calc_accumulate(to); tmp_rmqdata[TMP_RMQDATA++] = make_pair(depth[n], n); } } int main() { ios::sync_with_stdio(false); cin >> N >> Q; for (int i = (1); i < (N + 1); i++) cin >> A[i]; for (int i = (0); i < (N + 1); i++) adj[i].clear(); for (int i = (1); i < (N); i++) { int a, b; long long c; cin >> a >> b >> c; etox[i][0] = int((adj[a]).size()); etox[i][1] = int((adj[b]).size()); adj[a].push_back(i); adj[b].push_back(i); xo[i] = a ^ b; cost[i] = c; edgeval[i][0] = a; edgeval[i][1] = b; } for (int i = (1); i < (N + 1); i++) dp_not[i] = dp_only[i] = vector<long long>(int((adj[i]).size()), -1); for (int i = (1); i < (N + 1); i++) dp_all[i] = -1; for (int i = (1); i < (N + 1); i++) for (auto e : adj[i]) calc_not(i, e); for (int n = (1); n < (N + 1); n++) { assert(dp_all[n] != -1); if (todo[n] != -1) { int neid = adj[n][todo[n]]; dp_only[n][todo[n]] = max(0ll, calc_not(xo[neid] ^ n, neid) - cost[neid] * 2ll); dp_all[n] += dp_only[n][todo[n]]; todo[n] = -1; } for (int i = (0); i < (int((adj[i]).size())); i++) assert(dp_only[n][i] != -1); for (int i = (0); i < (int((adj[i]).size())); i++) assert(dp_not[n][i] != -1); } parent_edge[1] = -1; dp_acc[1] = dp_all[1]; depth[1] = 0; TMP_RMQDATA = 0; calc_accumulate(1); vector<pair<int, int> > rmqdata(tmp_rmqdata, tmp_rmqdata + TMP_RMQDATA); cerr << TMP_RMQDATA << endl; RMQ<pair<int, int> > rmq(rmqdata, make_pair(N + 1, N + 1)); rmq.init(); for (int q = (0); q < (Q); q++) { int a, b; cin >> a >> b; if (rmqposition[b] < rmqposition[a]) swap(a, b); int lc = rmq.query(rmqposition[a], rmqposition[b] + 1).second; assert(lc > 0 && lc <= N); long long ares = dp_acc[a] + dp_acc[b] - 2 * dp_acc[lc] + dp_all[lc]; cout << ares << endl; } return 0; for (int i = (1); i < (N + 1); i++) { cout << i << ": all=" << dp_all[i]; for (auto eid : adj[i]) { cout << " (" << i << "->" << (xo[eid] ^ i) << "):not=" << calc_not(i, eid) << " only=" << calc_only(i, eid); } cout << endl; } for (int i = (1); i < (N + 1); i++) { cout << i << " dp=" << dp_acc[i] << " depth=" << depth[i]; if (parent_edge[i] != -1) cout << " parent=" << (xo[parent_edge[i]] ^ i); cout << endl; } return 0; }
2,700
CPP
#include <bits/stdc++.h> using namespace std; long long s[20][20][20][2], n, len, a0[20]; inline long long Calc(long long x, long long y) { while (y) x /= 10, y--; int ma = 0; while (x) ma = max(ma, int(x % 10)), x /= 10; return ma; } long long Solve(long long x, long long y) { long long ans = 0; for (int i = 1; i <= y && x >= a0[i - 1]; i++) { int ma = Calc(x, i), k = x % a0[i] / a0[i - 1], now = x % 10; if (x % 10 == 0) { ans++; x -= ma; continue; } if ((k == 9 && i != y) || i == 1) continue; for (; k >= 0; k--) ans += s[i - 1][max(ma, k)][now][0], x -= s[i - 1][max(ma, k)][now][1], now = (now - (s[i - 1][max(ma, k)][now][1]) % 10 + 10) % 10; } if (x < 0) return ans - 1; else if (x < 10) return ans + 1; else return ans + Solve(x, y - 1); } int main() { cin >> n; if (n < 10) { puts(!n ? "0" : "1"); return 0; } long long p = n; while (p) p /= 10, len++; a0[0] = 1; for (int i = 1; i <= 18; i++) a0[i] = a0[i - 1] * 10; for (int i = 1; i <= 9; i++) for (int j = 0; j <= 9; j++) if (i <= j) s[1][i][j][1] = i + j, s[1][i][j][0] = 2; else s[1][i][j][1] = i, s[1][i][j][0] = 1; for (int i = 2; i < len; i++) for (int j = 1; j <= 9; j++) for (int k = 1; k <= 9; k++) { long long cnt = 0, tot = 0, now = k; for (int l = 9; l >= 0; l--) cnt += s[i - 1][max(j, l)][now][0], tot += s[i - 1][max(j, l)][now][1], now = (now - (s[i - 1][max(j, l)][now][1]) % 10 + 10) % 10; s[i][j][k][0] = cnt; s[i][j][k][1] = tot; } printf("%I64d\n", Solve(n, len)); return 0; }
2,500
CPP
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(0); cin.tie(0); long n, m, x, y, k = 2e9; for (cin >> n >> m; m--;) { cin >> x >> y; k = min(k, y - x + 1); } cout << k << "\n"; for (long i = long(0); i < long(n); i++) cout << i % k << " "; }
1,700
CPP
#import math #from functools import lru_cache #import heapq #from collections import defaultdict #from collections import Counter #from collections import deque #from sys import stdout #from sys import setrecursionlimit #setrecursionlimit(10**7) from sys import stdin input = stdin.readline INF = 10**9 + 7 MAX = 10**7 + 7 MOD = 10**9 + 7 for Ti in range(int(input().strip())): n = int(input().strip()) if(n<31): print('NO') else: print('YES') if(n-30 in [6, 14, 10]): m1, m2 = 15, n-31 else: m1, m2 = 14, n-30 print('6 10', m1, m2)
800
PYTHON3
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; n = 2 * n; int a[n]; for (int i = 0; i < n; i++) cin >> a[i]; map<int, pair<int, int>> d; map<int, int> dd; map<int, pair<int, int>>::iterator it; for (int i = 0; i < n; i++) { it = d.find(a[i]); if (it == d.end()) d[a[i]].first = i; else d[a[i]].second = i; } for (int i = 1; i < n / 2; i++) dd[i] = 0; int ans = 0, x; for (int i = 0; i < n; i++) { if (dd[a[i]] == 0) { ans += d[a[i]].second - d[a[i]].first - 1; x = d[a[i]].second - d[a[i]].first - 1; for (int j = 1; j <= n / 2; j++) { if (d[j].first > i and d[j].first < d[a[i]].second) d[j].first++; if (d[j].second > i and d[j].second < d[a[i]].second) d[j].second++; } d[a[i]].second -= x; dd[a[i]] = 1; } } cout << ans << endl; return 0; }
1,400
CPP
#include <bits/stdc++.h> using namespace std; int main() { int t; cin >> t; while (t--) { int a = 6, b = 10, c = 14, d = 15; int n; cin >> n; if (n <= 30) cout << "NO\n"; else { if (n - a - b - c != a && n - a - b - c != b && n - a - b - c != c) { cout << "YES\n"; cout << a << ' ' << b << ' ' << c << ' ' << n - a - b - c << '\n'; } else { if (n <= 31) { cout << "NO\n"; } else { cout << "YES\n"; cout << a << ' ' << b << ' ' << d << ' ' << n - a - b - d << '\n'; } } } } return 0; }
800
CPP
#include <bits/stdc++.h> using namespace std; int n, t, cn, a[2000 + 5]; int main() { int T, i, j, k; while (~scanf("%d %d", &n, &t)) { for (i = 0; i < n; i++) { scanf("%d %d", &j, &k); a[i * 2] = j * 2 + k; a[i * 2 + 1] = j * 2 - k; } sort(a, a + 2 * n); n *= 2; t *= 2; cn = 2; for (i = 1; i < n; i += 2) { if (a[i + 1] - a[i] > t) cn += 2; else if (a[i + 1] - a[i] == t) cn++; } printf("%d\n", cn); } return 0; }
1,200
CPP
n=int(input()) a=list(map(int,input().split())) for i in sorted(a): print(i,end=" ")
900
PYTHON3
#include <bits/stdc++.h> using namespace std; int n, m, c; vector<int> adj[100001]; const int N = 1000000; vector<int> v1, v2; int main() { cin >> n >> m; for (int i = 0; i < m; ++i) { int x, y; cin >> x >> y; adj[x].push_back(y); adj[y].push_back(x); } vector<int> d(n + 1, -1); for (int i = 1; i <= n; ++i) { if (d[i] == -1 && adj[i].size() > 0) { queue<int> q; q.push(i); d[i] = 0; while (!q.empty()) { int v = q.front(); q.pop(); if (!d[v]) v1.push_back(v); else v2.push_back(v); for (int j = 0; j < adj[v].size(); ++j) { if (d[adj[v][j]] == -1) { d[adj[v][j]] = !d[v]; q.push(adj[v][j]); } else if (d[adj[v][j]] == 1) { if (d[v] == 1) { cout << -1; return 0; } } else { if (d[v] == 0) { cout << -1; return 0; } } } } } } cout << v1.size() << "\n"; for (int i = 0; i < v1.size(); ++i) cout << v1[i] << " "; cout << "\n" << v2.size() << "\n"; for (int i = 0; i < v2.size(); ++i) cout << v2[i] << " "; }
1,500
CPP
import sys input=sys.stdin.readline import collections from collections import defaultdict visited=set() mem=[] G=defaultdict(list) n=int(input()) l=[int(i) for i in input().split()] l=[i for i in l if i>0] if len(l)>=121 : print(3) elif len(l)<3: print(-1) else: for i in range(1,len(l)): for j in range(0,i): if l[i]&l[j]!=0: G[i].append(j) G[j].append(i) #print(G) min_cycle = n + 1 for key, _ in G.items(): #print(key,_) qu = collections.deque() qu.append((key, 0, None)) visited = {} while len(qu) > 0: #print(qu,visited) node = qu.popleft() visited[node[0]] = node[1] for child in G[node[0]]: if child not in visited: qu.append((child, node[1] + 1, node[0])) #print(qu) else: if node[2] != child: min_cycle = min(min_cycle, visited[child] + node[1] + 1) #print(min_cycle,visited[child],node[1]) if min_cycle == n + 1: print(-1) else: print(min_cycle)
1,900
PYTHON3
import sys nm=list(map(int,input().split(' '))) ms=list(map(int,input().split(' '))) n=nm[0] m=nm[1] counter=[0]*m diff=[0]*n times=0 for mi in ms: diff[mi-1]+=1 counter[diff[mi-1]-1]+=1 if counter[diff[mi-1]-1]%n==0 : times+=1 sys.stdout.write('1') else: sys.stdout.write('0')
1,300
PYTHON3
st = input() a = 0 for c in st: if c == "a": a += 1 print(min(len(st), a*2-1))
800
PYTHON3
n=int(input()) for i in range(0,n): n1=int(input()) l=list(map(int,input().split())) for j in range(n1-1,-1,-1): print(l[j],end=" ") print()
800
PYTHON3
#include <bits/stdc++.h> using namespace std; const int maxn = 301; short sec[maxn][maxn], thr[maxn][maxn][maxn]; int main() { char LGM[] = "BitLGM", Aryo[] = "BitAryo"; int n, x, y, z; scanf("%d", &n); if (n == 1) { scanf("%d", &x); x ? puts(LGM) : puts(Aryo); } else if (n == 2) { scanf("%d%d", &x, &y); memset(sec, 0, sizeof sec); for (int i = 1; i < maxn; ++i) sec[i][0] = 1; for (int i = 1; i < maxn; ++i) { sec[i][i] = 1; for (int j = 1; j < i; ++j) if (!sec[i][j]) { for (int ii = 1; i + ii < maxn; ++ii) sec[i + ii][j + ii] = 1; for (int ii = i + 1; ii < maxn; ++ii) sec[ii][j] = 1; for (int ii = j + 1; ii < maxn; ++ii) { if (i >= ii) sec[i][ii] = 1; else sec[ii][i] = 1; } } } if (x < y) swap(x, y); sec[x][y] ? puts(LGM) : puts(Aryo); } else { scanf("%d%d%d", &x, &y, &z); for (int i = 0; i < maxn; ++i) { for (int j = 0; j <= i; ++j) { for (int k = 0; k <= j; ++k) { thr[i][j][k] = 0; } } } for (int i = 1; i < maxn; ++i) thr[i][0][0] = 1; for (int i = 1; i < maxn; ++i) { for (int j = 1; j <= i; ++j) { if (i != j) thr[i][j][0] = 1; } } for (int i = 1; i < maxn; i++) { for (int j = 1; j <= i; ++j) { for (int k = 1; k <= j; ++k) if (!thr[i][j][k]) { if (i == j || i == k || j == k) { thr[i][j][k] = 1; } else { for (int ii = 1; ii + i < maxn; ++ii) thr[ii + i][j + ii][k + ii] = 1; for (int ii = 1; ii + i < maxn; ++ii) { thr[ii + i][j][k] = 1; } for (int ii = 1; ii + j < maxn; ++ii) { if (i >= ii + j) thr[i][ii + j][k] = 1; else thr[ii + j][i][k] = 1; } for (int ii = 1; ii + k < maxn; ++ii) { if (ii + k > i) thr[ii + k][i][j] = 1; else if (ii + k > j) thr[i][ii + k][j] = 1; else thr[i][j][ii + k] = 1; } } } } } if (y > x) swap(x, y); if (z > x) swap(x, z); if (z > y) swap(y, z); thr[x][y][z] ? puts(LGM) : puts(Aryo); } return 0; }
2,100
CPP
def ans(s): aaa=0 t=0 for i in s: if i=="L": t+=1 else: aaa=max(aaa,t) t=0 aaa=max(aaa,t) return aaa+1 for i in range(int(input())): s=input() print(ans(s))
1,100
PYTHON3
#include <bits/stdc++.h> using namespace std; const int mod = 1000000007; int to[100010 << 1], nxt[100010 << 1], head[100010], tot; int f[100010][210], g[210], h[210], k, sz[100010], fac[210], C[210][210]; char *p1, *p2, buf[100000]; int rd() { int x = 0, f = 1; char c = (p1 == p2 && (p2 = (p1 = buf) + fread(buf, 1, 100000, stdin), p1 == p2) ? EOF : *p1++); while (c < 48) { if (c == '-') f = -1; c = (p1 == p2 && (p2 = (p1 = buf) + fread(buf, 1, 100000, stdin), p1 == p2) ? EOF : *p1++); } while (c > 47) { x = (((x << 2) + x) << 1) + (c ^ 48), c = (p1 == p2 && (p2 = (p1 = buf) + fread(buf, 1, 100000, stdin), p1 == p2) ? EOF : *p1++); } return x * f; } inline void add(int x, int y) { to[++tot] = y; nxt[tot] = head[x]; head[x] = tot; } void dfs(int p, int fa) { sz[p] = 1; f[p][0] = 2; for (int i = head[p]; i; i = nxt[i]) { if (to[i] != fa) { dfs(to[i], p); for (int j = 0; j <= min(sz[p] + sz[to[i]] - 1, k); j++) { g[j] = 0; } for (int j = 0; j < sz[p] && j <= k; j++) { for (int l = 0; l <= sz[to[i]] && j + l <= k; l++) { g[j + l] = (g[j + l] + (long long)f[p][j] * f[to[i]][l] % mod) % mod; } } sz[p] += sz[to[i]]; for (int j = 0; j <= min(sz[p] - 1, k); j++) { f[p][j] = g[j]; } } } if (p == 1) { for (int i = 0; i <= k; i++) { h[i] = (h[i] + f[p][i]) % mod; } } else { for (int i = 1; i <= k; i++) { h[i] = (h[i] - f[p][i - 1]) % mod; } h[1] = (h[1] + 1) % mod; } for (int i = k; i >= 1; i--) { f[p][i] = (f[p][i] + f[p][i - 1]) % mod; } f[p][1] = (f[p][1] - 1 + mod) % mod; } void init() { fac[0] = 1; for (int i = 1; i <= k; i++) { fac[i] = (long long)fac[i - 1] * i % mod; } C[0][0] = 1; for (int i = 1; i <= k; i++) { for (int j = 1; j <= i; j++) { C[i][j] = ((long long)C[i - 1][j] * j % mod + C[i - 1][j - 1]) % mod; } } } int main() { int n = rd(); k = rd(); init(); for (int i = 1; i < n; i++) { int x = rd(), y = rd(); add(x, y); add(y, x); } dfs(1, 1); int ans = 0; for (int i = 0; i <= k; i++) { ans = (ans + (long long)C[k][i] * fac[i] % mod * h[i] % mod) % mod; } cout << (ans + mod) % mod << endl; return 0; }
3,000
CPP
#include <bits/stdc++.h> using namespace std; complex<double> p[1000]; int ans[2000]; int len, N, n; const double pi = acos(-1.0); const double sd = cos(36.0 / 180 * pi) * 10 * 2; const double ag = 2 * asin(5 / sd); struct pol { int p[5]; } num[200]; void dfs(int tp, const complex<double>& s) { if (tp == n) return; num[tp].p[0] = tp; p[len] = complex<double>(real(s) + sd, imag(s)); num[tp].p[1] = len; ans[N++] = len++; dfs(tp + 1, p[len - 1]); p[len] = complex<double>(real(p[tp + 1]) - cos(ag) * sd, imag(p[tp + 1]) - sin(ag) * sd); num[tp].p[2] = len; ans[N++] = len++; p[len] = complex<double>(real(p[len - 1]) + sin(ag / 2) * sd, imag(p[len - 1]) + cos(ag / 2) * sd); num[tp].p[3] = len; ans[N++] = len++; p[len] = complex<double>(real(p[len - 1]) + sin(ag / 2) * sd, imag(p[len - 1]) - cos(ag / 2) * sd); num[tp].p[4] = len; ans[N++] = len++; ans[N++] = tp; } int main() { ans[0] = 0; p[0] = complex<double>(0, 0); while (cin >> n) { N = len = 1; dfs(0, p[0]); cout << len << endl; for (int i = 0; i < len; i++) printf("%.11lf %.11lf\n", real(p[i]), imag(p[i])); for (int i = 0; i < n; i++) { int* p = num[i].p; for (int j = 0; j < 5; j++) num[i].p[j]++; cout << p[0] << " " << p[3] << " " << p[1] << " " << p[4] << " " << p[2] << endl; } for (int i = 0; i < N; i++) cout << ans[i] + 1 << " "; cout << endl; } }
2,300
CPP
#include <bits/stdc++.h> using namespace std; inline bool cmp(pair<long long, long long> a, pair<long long, long long> b) { if (a.first == b.first) return a.second < b.second; return a.first > b.first; } long long sumofdigit(long long n) { long long sum = 0; while (n) { sum = sum + n % 10; n = n / 10; } return sum; } template <class T> inline T gcd(T a, T b) { if (b == 0) return a; return gcd(b, a % b); } template <class T> inline T lcm(T a, T b) { return a * b / gcd<T>(a, b); } template <class T> inline T power(T b, T p) { long long ans = 1; while (p--) ans *= b; return ans; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); long long a, b, c; cin >> a >> b >> c; vector<long long> v; for (long long i = 1; i <= 81; i++) { long long x = b * pow(i, a) + c; if (sumofdigit(x) == i && x <= 1000000000 && x >= 0) v.push_back(x); } cout << v.size() << endl; for (long long i = 0; i < v.size(); i++) cout << v[i] << " "; }
1,500
CPP
t = int(input()) for t_ in range(t): s = input() t = input() flag = False for c in s: if c in t: flag = True break if flag: print("YES") else: print("NO")
1,000
PYTHON3
t = int(input()) def sign(number): if number>0: return 1 else: return -1 for i in range(t): n = int(input()) a = list(map(int, input().split())) sum = 0 j=0 while(j<n): cur = a[j] k = j while(k<n and (sign(a[j])==sign(a[k]))): cur = max(cur, a[k]) k += 1 sum += cur j = k - 1 j+= 1 print(sum)
1,200
PYTHON3
#include <bits/stdc++.h> using namespace std; const int N = 10100; const double eps = 1e-9; struct node { int x, y; node operator+(const node &q) const { return node{x + q.x, y + q.y}; } node operator-(const node &q) const { return node{x - q.x, y - q.y}; } bool operator==(const node &q) const { return x == q.x && y == q.y; } long long len_2() { return x * x + y * y; } void print() { printf("%d %d\n", x, y); return; } } a[N], b[N], p[N]; int dj(node x, node y) { return x.x * y.x + x.y * y.y; } int cj(node x, node y) { return x.x * y.y - x.y * y.x; } int n, m; bool cal(node x, node y) { double l = -1e9, r = 1e9; for (int i = 1; i <= n; i++) { node op1 = x - a[i], op2 = y - a[i]; if (cj(op1, op2) == 0) continue; double op = 1.0 * dj(op1, op2) / cj(op1, op2); if (cj((a[i] - x), (y - x)) < 0) l = max(l, op); else r = min(r, op); } for (int i = 1; i <= m; i++) { node op1 = x - b[i], op2 = y - b[i]; if (cj(op1, op2) == 0) { if (b[i].x >= min(x.x, y.x) && b[i].x <= max(x.x, y.x) && b[i].y >= min(x.y, y.y) && b[i].y <= max(x.y, y.y)) return 0; continue; } double op = 1.0 * dj(op1, op2) / cj(op1, op2); if (cj((b[i] - x), (y - x)) > 0) l = max(l, op); else r = min(r, op); } return l + eps < r; } bool dfs(int l, int r) { if (l == r - 1) return 0; int mid; double op = 1e9; for (int i = l + 1; i <= r - 1; i++) { node op1 = p[i] - p[l], op2 = p[i] - p[r]; double x = 1.0 * dj(op1, op2) / cj(op1, op2); if (x < op) op = x, mid = i; } return cal(p[l], p[mid]) || cal(p[r], p[mid]) || dfs(l, mid) || dfs(mid, r); } bool cmp1(node x, node y) { return x.x == y.x ? x.y < y.y : x.x < y.x; } bool cmp2(node x, node y) { node op1 = x - a[1], op2 = y - a[1]; int op = cj(op1, op2); return op == 0 ? op1.len_2() < op2.len_2() : op > 0; } bool check() { sort(a + 1, a + n + 1, cmp1); sort(a + 2, a + n + 1, cmp2); int top = 0; p[++top] = a[1], p[++top] = a[2]; for (int i = 3; i <= n; i++) { while (top >= 2 && cj((a[i] - p[top - 1]), (p[top] - p[top - 1])) >= 0) top--; p[++top] = a[i]; } return cal(p[1], p[top]) || dfs(1, top); } int main() { scanf("%d%d", &n, &m); if (n == 1 || m == 1) return puts("YES"), 0; for (int i = 1; i <= n; i++) scanf("%d%d", &a[i].x, &a[i].y); for (int i = 1; i <= m; i++) scanf("%d%d", &b[i].x, &b[i].y); bool flag = check(); swap(a, b); swap(n, m); flag |= check(); if (flag) puts("YES"); else puts("NO"); return 0; }
2,700
CPP
def f(n): i = 2 while(i<=n): if i == n: return(True) else: i = i*2 return(False) def g(n): l = int(n**(1/2))+1 c = 0 for i in range(2,l+1): if n%i == 0: if i%2 ==1 and (n//i)%2 == 1: c = c+2 elif i%2 == 1 or (n//i)%2 == 1: c = c+1 if c>1: return(True) return(False) t = int(input()) while(t>0): t = t-1 n = int(input()) if n == 1: print("FastestFinger") elif n == 2: print("Ashishgup") elif f(n) == True: print("FastestFinger") elif n%2 == 1: print("Ashishgup") elif (n//2)%2 == 0: print("Ashishgup") elif (n//2)%2 == 1: if g(n//2) == True: print("Ashishgup") else: print("FastestFinger")
1,400
PYTHON3
###################################################################### # Write your code here #import sys #import resource #resource.setrlimit(resource.RLIMIT_STACK, [0x10000000, resource.RLIM_INFINITY]) #sys.setrecursionlimit(0x100000) # Write your code here RI = lambda : [int(x) for x in input().strip().split()] rw = lambda : input().strip().split() from collections import defaultdict as df #import heapq #heapq.heapify(li) heappush(li,4) heappop(li) #import random #random.shuffle(list) #infinite = float('inf') ####################################################################### n=int(input()) m=RI()#deck l=RI()#pile index=df(int) for i in range(n): if(l[i]!=0): index[l[i]]=(i+1) extra=[0]*(n+1) for i in range(n): if(index[i+1]==0): extra[i+1]=1 else: extra[i+1]=index[i+1]+1 e=n s=n-1 while(l[s]!=1): if(l[s-1]==l[s]-1): s-=1 continue else: break if(l[s]==1): for i in range(n-s): extra[i+1]=-1 #################without zero card sumo=0 flag=0 for i in range(n): if(extra[i+1]==-1): continue if(extra[i+1]<=sumo+1): sumo+=1 else: flag=1 break #print(sumo) if(flag==0): print(sumo) else: for i in range(n): if(index[i+1]==0): extra[i+1]=1 else: extra[i+1]=index[i+1]+1 sumo=0 for i in range(n): if(extra[i+1]<=sumo+1): sumo+=1 else: sumo=extra[i+1] print(sumo)
1,800
PYTHON3
import re s=str(input()) p=re.compile('WUB') res=p.sub(' ',s) print (res)
900
PYTHON3
#include <bits/stdc++.h> using namespace std; const int N = 1e6; int arr[2][N]; int main() { int n; cin >> n; int q; cin >> q; int x, y; int v = 0, c1 = 0, c2 = 0; while (q--) { cin >> x >> y; x--; if (arr[x][y] && arr[1 - x][y]) v--; if (x == 0 && arr[0][y] && arr[1][y + 1]) c1--; if (x == 1 && arr[1][y] && arr[0][y - 1]) c1--; if (x == 0 && arr[0][y] && arr[1][y - 1]) c2--; if (x == 1 && arr[1][y] && arr[0][y + 1]) c2--; arr[x][y] = 1 - arr[x][y]; if (arr[x][y] && arr[1 - x][y]) v++; if (x == 0 && arr[0][y] && arr[1][y + 1]) c1++; if (x == 1 && arr[1][y] && arr[0][y - 1]) c1++; if (x == 0 && arr[0][y] && arr[1][y - 1]) c2++; if (x == 1 && arr[1][y] && arr[0][y + 1]) c2++; if (v || c1 || c2) { cout << "No" << endl; } else { cout << "Yes" << endl; } } return 0; }
1,400
CPP
#include <bits/stdc++.h> #pragma GCC optimize("Ofast,no-stack-protector,unroll-loops") #pragma GCC optimize("no-stack-protector,fast-math") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") using namespace std; template <class S, class T> inline S smax(S &l, T r) { return l = max(l, (S)r); } template <class S, class T> inline S smin(S &l, T r) { return l = min(l, (S)r); } int32_t main() { ios::sync_with_stdio(0), cin.tie(0), cout.tie(0); long long n, m, d; cin >> n >> m >> d; vector<long long> dp(n); vector<long long> pd(n); long long time = 0; for (long long i = 0; i < m; ++i) { long long a, b, t; cin >> a >> b >> t; a--; long long mx = 0; for (long long j = 0; j < n; ++j) if (dp[mx] < dp[j]) mx = j; for (long long j = 0; j < n; ++j) { if ((j + (t - time) * d) <= mx) pd[j] = dp[j + (t - time) * d]; else if ((j - (t - time) * d) >= mx) pd[j] = dp[j - (t - time) * d]; else pd[j] = dp[mx]; } for (long long j = 0; j < n; ++j) pd[j] += (b - abs(a - j)); for (long long j = 0; j < n; ++j) dp[j] = pd[j]; time = t; } long long ans = (long long)(-1e9); for (long long i : dp) smax(ans, i); cout << ans << "\n"; return 0; }
2,100
CPP
#include <bits/stdc++.h> using namespace std; const int MAXN = 1000 + 10; int r, c; pair<int, int> e, s; char a[MAXN][MAXN]; int lev[MAXN][MAXN], ans; int dx[] = {1, -1, 0, 0}, dy[] = {0, 0, 1, -1}; void bfs() { queue<pair<int, int>> q; q.push(e); lev[e.first][e.second] = 1; while (!q.empty()) { pair<int, int> u = q.front(); q.pop(); for (int i = 0; i < 4; i++) if (lev[u.first + dx[i]][u.second + dy[i]] > lev[u.first][u.second] + 1 and a[u.first + dx[i]][u.second + dy[i]] != 'T') { lev[u.first + dx[i]][u.second + dy[i]] = lev[u.first][u.second] + 1; q.push({u.first + dx[i], u.second + dy[i]}); } } } int main() { memset(lev, 5, sizeof(lev)); memset(a, 'T', sizeof(a)); cin >> r >> c; for (int i = 1; i <= r; i++) for (int j = 1; j <= c; j++) { cin >> a[i][j]; if (a[i][j] == 'E') e = {i, j}; if (a[i][j] == 'S') s = {i, j}; } bfs(); for (int i = 1; i <= r; i++) for (int j = 1; j <= c; j++) if (lev[i][j] <= lev[s.first][s.second] and isdigit(a[i][j])) ans += int(a[i][j] - '0'); cout << ans << endl; return 0; }
1,500
CPP
n=int(input()) if n%2==0 : print(4,end=' ') print(n-4) else : print(9,end=' ') print(n-9)
800
PYTHON3
#include <bits/stdc++.h> using namespace std; const int maxn = 2e5 + 20; const int maxb = 20; vector<int> adj[maxn], x[maxn]; int p[maxn][maxb], st[maxn], ft[maxn], t, from[maxn], to[maxn], w[maxn], h[maxn]; long long fen_dp[maxn], fen_pd[maxn]; long long dp[maxn], pd[maxn]; long long get_pd(int v) { v = st[v]; long long res = 0; for (v++; v > 0; v -= v & (-v)) res += fen_pd[v]; return res; } void update_pd(int v, long long val) { for (v++; v < maxn; v += v & (-v)) fen_pd[v] += val; } long long get_dp(int v) { v = st[v]; long long res = 0; for (v++; v > 0; v -= v & (-v)) res += fen_dp[v]; return res; } void update_dp(int v, long long val) { for (v++; v < maxn; v += v & (-v)) fen_dp[v] += val; } void set_dfs(int v) { st[v] = ++t; for (auto u : adj[v]) { p[u][0] = v; for (int i = 1; i < maxb; i++) p[u][i] = p[p[u][i - 1]][i - 1]; h[u] = h[v] + 1; set_dfs(u); } ft[v] = t; } bool is_par(int v, int u) { return st[v] <= st[u] && st[u] <= ft[v]; } int lca(int v, int u) { for (int i = maxb - 1; i >= 0; i--) if (!is_par(p[v][i], u)) v = p[v][i]; if (is_par(v, u)) return v; return p[v][0]; } void dfs(int v) { for (auto u : adj[v]) dfs(u), pd[v] += dp[u]; update_pd(st[v], pd[v]); update_pd(ft[v] + 1, -pd[v]); for (auto e : x[v]) { long long a = 0, b = 0; if (from[e] != v) a = get_pd(from[e]) - pd[v] - get_dp(from[e]); if (to[e] != v) b = get_pd(to[e]) - pd[v] - get_dp(to[e]); dp[v] = max(dp[v], w[e] + a + b + pd[v]); } dp[v] = max(dp[v], pd[v]); update_dp(st[v], dp[v]); update_dp(ft[v] + 1, -dp[v]); } int main() { ios_base::sync_with_stdio(false); cin.tie(0); int n, m; cin >> n >> m; for (int i = 1; i < n; i++) { int p; cin >> p; p--; adj[p].push_back(i); } set_dfs(0); for (int i = 0; i < m; i++) { cin >> from[i] >> to[i] >> w[i]; from[i]--; to[i]--; x[lca(from[i], to[i])].push_back(i); } dfs(0); cout << dp[0] << endl; }
2,400
CPP
a=int(input()) if a%2==0 and not(a==2): print("Yes") else: print("No")
800
PYTHON3
#include <bits/stdc++.h> const int INF = 0x7F7F7F7F; const double EPS = 1e-10; const long long mod7 = 1e9 + 7; const long long mod9 = 1e9 + 9; using namespace std; inline long long rit() { long long f = 0, key = 1; char c; do { c = getchar(); if (c == '-') key = -1; } while (c < '0' || c > '9'); do { f = f * 10 + c - '0'; c = getchar(); } while (c >= '0' && c <= '9'); return f * key; } inline void fprt(double f) { printf("%.08lf", f); } void init() {} string sa, sb; void read() { cin >> sa >> sb; } void solve() { if (sa == sb) cout << -1 << endl; else cout << max((int)((sa).size()), (int)((sb).size())); } int main() { int nn = 1; while (nn--) { init(), read(), solve(); } return 0; }
1,000
CPP
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 10, M = 51, MOD = 1e9 + 7; int n, m; vector<int> v; bool left, rightt, up, down; double a, b, c, xx1, xx2, yy1, yy2; double man(double a, double a2, double b, double b2) { return abs(a - b) + abs(a2 - b2); } double dist(double a, double a2, double b, double b2) { return sqrt((a - b) * (a - b) + (a2 - b2) * (a2 - b2)); } double lineToPoint(double beginx, double beginy, double endx, double endy) { double res = 0; double nx = ((-b * endy) - c) / a; res += dist(beginx, beginy, nx, endy); res += abs(nx - endx); double res2 = 0; double ny = ((-a * endx) - c) / b; res2 += dist(beginx, beginy, endx, ny); res2 += abs(ny - endy); return min(res, res2); } int main() { scanf("%lf%lf%lf", &a, &b, &c); scanf("%lf%lf%lf%lf", &xx1, &yy1, &xx2, &yy2); double res = man(xx1, yy1, xx2, yy2); if (a == 0 || b == 0) { return printf("%.9lf", res), 0; } double distToLine = abs(xx1 - ((-b * yy1) - c) / a); double lp = lineToPoint(((-b * yy1) - c) / a, yy1, xx2, yy2); res = min(res, distToLine + lp); distToLine = abs(yy1 - ((-a * xx1) - c) / b); lp = lineToPoint(xx1, ((-a * xx1) - c) / b, xx2, yy2); res = min(res, distToLine + lp); return printf("%.9lf", res), 0; return 0; }
1,900
CPP
import math def div(n,k): return math.ceil(k/(n-1))+k-1 t=int(input()) for i in range(t): string=input() I=string.split() n=int(I[0]) k=int(I[1]) print(div(n,k))
1,200
PYTHON3
def main(): n, s = map(int, input().split()) cities = [] for i in range(n): x, y, p = map(int, input().split()) dist = (x**2 + y**2)**(1/2) cities.append((x, y, p, dist)) cities.sort(key=lambda city: city[3]) total = s for city in cities: total += city[2] if total >= 10**6: print((city[0]**2 + city[1]**2)**(1/2)) return print(-1) if __name__ == '__main__': main()
1,200
PYTHON3
#include <bits/stdc++.h> int main() { int n; scanf("%d", &n); long long a[2 * 100000 + 5]; for (int i = 0; i < n; i++) scanf("%I64d", &a[i]); int left[2 * 100000 + 5], right[2 * 100000 + 5]; for (int i = 0; i < n; i++) { left[i] = i - 1; right[i] = i + 1; } right[n - 1] = -1; for (int i = 0; i < n; i++) { int cur = i; while (left[cur] != -1 && a[left[cur]] == a[cur]) { int l = left[cur], r = right[cur]; a[l]++; right[l] = r; left[r] = l; cur = l; } } int cnt = 0; for (int i = 0; i != -1;) { cnt++; i = right[i]; } printf("%d\n", cnt); for (int i = 0; i != -1;) { printf("%I64d ", a[i]); i = right[i]; } printf("\n"); }
1,900
CPP
n=int(input()) l=[] li=[] for i in range(n): a,b=map(int,input().split()) if a<0: l.append(a) else: li.append(a) if len(l)==1 or len(li)==1: print("YES") elif len(l)==n or len(li)==n: print("YES") else: print("NO")
800
PYTHON3
#include <bits/stdc++.h> using namespace std; const int MAXN = 110; int mp[MAXN][MAXN]; int row[MAXN], col[MAXN]; int ans[MAXN][MAXN]; int main() { int n, m, i, j, k; while (scanf("%d%d", &n, &m) == 2) { memset(row, 0, sizeof(row)); memset(col, 0, sizeof(col)); for (i = 0; i < n; i++) for (j = 0; j < m; j++) ans[i][j] = 1; for (i = 0; i < n; i++) { for (j = 0; j < m; j++) { scanf("%d", &mp[i][j]); if (!mp[i][j]) { for (k = 0; k < n; k++) ans[k][j] = 0; for (k = 0; k < m; k++) ans[i][k] = 0; } } } for (i = 0; i < n; i++) for (j = 0; j < m; j++) { row[i] += ans[i][j]; col[j] += ans[i][j]; } int flag = 1; for (i = 0; i < n; i++) { for (j = 0; j < m; j++) { if (mp[i][j] && !ans[i][j]) { if (row[i] == 0 && col[j] == 0) { flag = 0; break; } } } } if (!flag) { printf("NO\n"); continue; } printf("YES\n"); for (i = 0; i < n; i++) { for (j = 0; j < m; j++) printf("%d ", ans[i][j]); printf("\n"); } } return 0; }
1,300
CPP
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); char r, g, b; r = 'R'; g = 'G'; b = 'B'; int n; cin >> n; string s; cin >> s; int cnt = 0; for (int i = 1; i < n; i++) { if (s[i] == s[i - 1]) { cnt++; if (s[i] == r) { s[i] = b; if (s[i + 1] == b || s[i + 1] == r) { s[i] = g; } else if (s[i + 1] == g) { s[i] = b; } } else if (s[i] == b) { s[i] = g; if (s[i + 1] == g || s[i + 1] == b) { s[i] = r; } else if (s[i + 1] == r) { s[i] = g; } } else if (s[i] == g) { s[i] = r; if (s[i + 1] == b || s[i + 1] == g) { s[i] = r; } else if (s[i + 1] == r) { s[i] = b; } } } } cout << cnt << "\n"; cout << s; }
1,400
CPP
""" Author: Q.E.D Time: 2020-06-16 09:36:16 """ T = int(input()) for _ in range(T): b = input() a = b[0] + b[1:-1:2] + b[-1] print(a)
800
PYTHON3
#include <bits/stdc++.h> using namespace std; int solve(const vector<int>& a) { set<int> todo; for (auto x : a) { if (0 == x % 2) todo.insert(x); } int res = 0; while (!todo.empty()) { int m = *todo.rbegin(); todo.erase(m); m /= 2; if (0 == m % 2) { todo.insert(m); } ++res; } return res; } int main() { cin.sync_with_stdio(false); int t; cin >> t; while (t--) { int n; cin >> n; vector<int> a(n); for (int i = 0; i < n; ++i) { cin >> a[i]; } cout << solve(a) << endl; } return 0; }
1,200
CPP
#include <bits/stdc++.h> const int inf = 0x3f3f3f3f, Inf = 0x7fffffff; const long long INF = 0x7ffffffffffffff; template <typename _Tp> _Tp gcd(const _Tp &a, const _Tp &b) { return (!b) ? a : gcd(b, a % b); } template <typename _Tp> __inline__ __attribute__((always_inline)) _Tp abs(const _Tp &a) { return a > 0 ? a : -a; } template <typename _Tp> __inline__ __attribute__((always_inline)) _Tp max(const _Tp &a, const _Tp &b) { return a < b ? b : a; } template <typename _Tp> __inline__ __attribute__((always_inline)) _Tp min(const _Tp &a, const _Tp &b) { return a < b ? a : b; } template <typename _Tp> __inline__ __attribute__((always_inline)) void chmax(_Tp &a, const _Tp &b) { (a < b) && (a = b); } template <typename _Tp> __inline__ __attribute__((always_inline)) void chmin(_Tp &a, const _Tp &b) { (a > b) && (a = b); } template <typename _Tp> __inline__ __attribute__((always_inline)) void read(_Tp &x) { register char ch(getchar()); bool f(false); while (ch < 48 || ch > 57) f |= ch == 45, ch = getchar(); x = ch & 15, ch = getchar(); while (ch >= 48 && ch <= 57) x = (((x << 2) + x) << 1) + (ch & 15), ch = getchar(); if (f) x = -x; } template <typename _Tp, typename... Args> __inline__ __attribute__((always_inline)) void read(_Tp &t, Args &...args) { read(t); read(args...); } __inline__ __attribute__((always_inline)) int read_str(char *s) { register char ch(getchar()); while (ch < 65 || ch > 122 || (ch > 90 && ch < 97)) ch = getchar(); register char *tar = s; *tar = ch, ch = getchar(); while ((ch >= 65 && ch <= 90) || (ch >= 97 && ch <= 122)) *(++tar) = ch, ch = getchar(); return tar - s + 1; } const int N = 100005; int a[N]; __inline__ __attribute__((always_inline)) bool cmp(const int &a, const int &b) { return a > b; } int main() { int n, x, y; read(n); long long ans = 0; for (int i = 1; i <= n; ++i) { read(x, y); a[i] = x - y; ans += -x + 1ll * y * n; } std::sort(a + 1, a + n + 1, cmp); for (int i = 1; i <= n; ++i) { ans += 1ll * a[i] * i; } printf("%lld\n", ans); return 0; }
1,600
CPP
#include <bits/stdc++.h> using namespace std; int main() { int n, b = 0, be; cin >> n; for (int i = 0; i < n; i++) { int ne; cin >> ne; if (ne != be && i > 0) { b++; } be = ne; } cout << ++b << endl; }
800
CPP
def gns(): return list(map(int,input().split())) n,m=gns() a=[] for i in range(n): a.append(gns()) b=[[0]*m for i in range(n)] def one(): ans=[] for i in range(n-1): for j in range(m-1): if a[i][j]==1 and a[i+1][j]==1 and a[i][j+1]==1 and a[i+1][j+1]==1: ans.append([i,j]) b[i][j]=1 b[i][j+1]=1 b[i+1][j]=1 b[i+1][j+1]=1 # if i==n-1 or j==m-1: # if a[i][j]!=b[i][j]: # return False # continue # if b[i][j]==1 and a[i][j]==0: # return False # if a[i][j]==1 and b[i][j]==0: # ans.append([i,j]) # b[i][j]=1 # b[i+1][j]=1 # b[i][j+1]=1 # b[i+1][j+1]=1 for i in range(n): for j in range(m): if b[i][j]!=a[i][j]: return False return ans ans=one() if ans==False: print(-1) quit() if len(ans)==0: print(0) quit() print(len(ans)) for x in ans: print(x[0]+1,x[1]+1)
1,200
PYTHON3
t = int(input()) for _ in range(t): # n = int(input()) a,b,n,s = list(map(int,input().split())) if a*n==s: print("YES") continue if a*n<s: if b>=s-a*n: print("YES") else: print("NO") continue if b>=s%n: print("YES") else: print("NO") # if (a>=s//n and b>=s%n): # print("YES") # else: # print("NO")
1,000
PYTHON3
#include <bits/stdc++.h> using namespace std; inline long long read() { long long t = 0, f = 1; char c = getchar(); while (c < '0' || c > '9') { if (c == '-') f = -1; c = getchar(); } while (c <= '9' && c >= '0') t = t * 10 + c - 48, c = getchar(); return t * f; } struct edge { int to, next, v; } e[101000 * 2]; int fl[101000], f[101000], vis[101000], dp[101000][2][2], mo = 1e9 + 7; int n, tot = 1, m, u, v, del, pdu, pdv, an0, an1, cnt; void add(int x, int y, int v) { e[++tot] = (edge){y, f[x], v}; f[x] = tot; } void add(int x, int y, int v1, int v2) { x = abs(x); y = abs(y); add(x, y, v1); add(y, x, v2); } void dfs(int x, int pre) { cnt -= 2; vis[x] = 1; for (int i = f[x]; i; i = e[i].next) { cnt++; if (e[i].to == x) cnt++; if (!vis[e[i].to]) dfs(e[i].to, i); else if (i != (pre ^ 1)) { u = x; v = e[i].to; del = i; } } } int check(int k1, int k2, int k3) { if ((k3 & 2) == 0) k1 ^= 1; if ((k3 & 1) == 0) k2 ^= 1; return k1 | k2; } void treedp(int x, int fa) { for (int i = f[x]; i; i = e[i].next) if (e[i].to != fa && (i ^ del) && (i ^ del ^ 1)) treedp(e[i].to, x); memset(dp[x], 0, sizeof(dp[x])); for (int w = 0; w <= 1; ++w) { if (x == u && w != pdu) continue; if (x == v && w != pdv) continue; int ans0 = 1, ans1 = 0; for (int i = f[x]; i; i = e[i].next) { int to = e[i].to; if (to == fa || !(i ^ del) || !(i ^ del ^ 1)) continue; int an0 = ans0, an1 = ans1; ans0 = 0; ans1 = 0; for (int w1 = 0; w1 <= 1; ++w1) { int A = dp[to][w1][0], B = dp[to][w1][1]; if (check(w, w1, e[i].v)) swap(A, B); ans0 = (ans0 + 1ll * A * an0 + 1ll * B * an1) % mo; ans1 = (ans1 + 1ll * A * an1 + 1ll * B * an0) % mo; } } if (fl[x] & (1 << w)) swap(ans0, ans1); dp[x][w][0] = (dp[x][w][0] + ans0) % mo; dp[x][w][1] = (dp[x][w][1] + ans1) % mo; } } void solve(int x) { cnt = 0; del = -100; dfs(x, -1); int ans0 = 0, ans1 = 0; if (del == -100) { v = 0; u = x; pdu = 0; pdv = 1; treedp(x, 0); ans0 = (ans0 + 1ll * dp[x][0][0] + dp[x][1][0]) % mo; ans1 = (ans1 + 1ll * dp[x][0][1] + dp[x][1][1]) % mo; pdu = 1; treedp(x, 0); ans0 = (ans0 + 1ll * dp[x][0][0] + dp[x][1][0]) % mo; ans1 = (ans1 + 1ll * dp[x][0][1] + dp[x][1][1]) % mo; } else { for (pdu = 0; pdu < 2; pdu++) for (pdv = 0; pdv < 2; pdv++) { treedp(u, 0); if (check(pdu, pdv, e[del].v)) swap(dp[u][0][0], dp[u][0][1]), swap(dp[u][1][0], dp[u][1][1]); ans0 = (ans0 + 1ll * dp[u][0][0] + dp[u][1][0]) % mo; ans1 = (ans1 + 1ll * dp[u][0][1] + dp[u][1][1]) % mo; } } int k0 = an0, k1 = an1; an0 = ((long long)k0 * ans0 + (long long)k1 * ans1) % mo; an1 = ((long long)k0 * ans1 + (long long)k1 * ans0) % mo; } int T; int main() { T = read(); n = read(); while (T--) { int x, y; x = read(); if (x == 1) { y = read(); if (y > 0) fl[y] |= 2; else fl[-y] |= 1; } else { x = read(); y = read(); if (x < 0 && y < 0) add(x, y, 0, 0); if (x < 0 && y > 0) add(x, y, 1, 2); if (x > 0 && y < 0) add(x, y, 2, 1); if (x > 0 && y > 0) add(x, y, 3, 3); } } an0 = 1; an1 = 0; for (int i = 1; i <= n; ++i) if (!vis[i]) solve(i); printf("%d", an1); }
2,900
CPP
#include <bits/stdc++.h> using namespace std; const int maxn = ((int)1e5) + 5; long long int dp[maxn][301]; int a[maxn], b[maxn]; int n, m, s, e; set<int> pos[maxn]; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); cin >> n >> m >> s >> e; for (int i = 0; i < n; i++) cin >> a[i]; for (int i = 0; i < m; i++) { cin >> b[i]; pos[b[i]].insert(i); } long long int ans = 0; fill(&dp[0][0], &dp[0][0] + maxn * 301, (long long int)1e9); for (int i = 0; i <= n; i++) { for (int used = 0; used <= min(i, min(n, (s / e))); used++) { if (i == 0 || used == 0) { dp[i][used] = 0; continue; } long long int& res = dp[i][used]; res = min(res, dp[i - 1][used]); int p = dp[i - 1][used - 1]; int toFind = a[i - 1]; auto it = pos[toFind].lower_bound(p); if (it != pos[toFind].end()) { res = min(res, *it + 1ll); } int deleted = i + dp[i][used]; int usedEnergy = e * used; if (deleted + usedEnergy <= s) { ans = max(ans, used + 0ll); } } } cout << ans; return 0; }
2,300
CPP
a,b=map(int,input().split()) aw=bw=d=0 for i in range(1,7): if abs(a-i)<abs(b-i): aw+=1 elif abs(a-i)==abs(b-i): bw+=1 else: d+=1 print(aw,bw,d)
800
PYTHON3
#include <bits/stdc++.h> using namespace std; string s[1000000]; bool cmp(string s1, string s2) { long long sa = 0, ha = 0, sb = 0, hb = 0; for (char ch : s1) { if (ch == 's') { sa++; } else { ha++; } } for (char ch : s2) { if (ch == 's') { sb++; } else { hb++; } } return sa * hb > sb * ha; } int main() { int n; cin >> n; for (int i = 0; i < n; i++) { cin >> s[i]; } sort(s, s + n, cmp); long long ans = 0, c = 0; for (int i = 0; i < n; i++) { for (int j = 0; j < s[i].size(); j++) { if (s[i][j] == 's') { c++; } else { ans += c; } } } cout << ans << endl; return 0; }
1,800
CPP