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3 values
i1
int64
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int64
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8.44k
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226k
p03204
C++
Time Limit Exceeded
#include <bits/stdc++.h> #define For(i, l, r) for (int i = (l), i##end = (r); i <= i##end; i++) #define Fordown(i, r, l) for (int i = (r), i##end = (l); i >= i##end; i--) #define debug(x) cout << #x << " = " << x << endl using namespace std; typedef long long ll; template <typename T> inline bool chkmin(T &x, T y) { return y < x ? x = y, 1 : 0; } template <typename T> inline bool chkmax(T &x, T y) { return x < y ? x = y, 1 : 0; } const int INF = 0x3f3f3f3f; const int N = 2e5 + 10; int to[N << 1], nex[N << 1], beg[N], Max[N], ans[N]; int e, n; inline int read() { int x = 0, flag = 1; char ch = getchar(); while (!isdigit(ch) && ch != '-') ch = getchar(); if (ch == '-') flag = -1, ch = getchar(); while (isdigit(ch)) x = (x << 3) + (x << 1) + (ch - '0'), ch = getchar(); return x * flag; } inline void add(int x, int y) { to[++e] = y, nex[e] = beg[x], beg[x] = e; } inline void dfs(int x, int fa, int Las, int Sec) { Max[x] = Max[fa]; if (fa > Max[x]) Max[x] = fa, Las = Sec = x; else chkmax(Sec, x); if (x > Max[x]) ans[x]++; else if (Max[Max[x]] > Sec) ans[Max[x]]++; else ans[Las]++; for (int i = beg[x]; i; i = nex[i]) { if (to[i] == fa) continue; dfs(to[i], x, Las, Sec); } } inline void dfs_ans(int x, int fa) { ans[x] += ans[fa]; for (int i = beg[x]; i; i = nex[i]) { if (to[i] == fa) continue; dfs_ans(to[i], x); } } int main() { #ifndef ONLINE_JUDGE freopen("AGC029E.in", "r", stdin); freopen("AGC029E.out", "w", stdout); #endif n = read(); For(i, 2, n) { int x = read(), y = read(); add(x, y), add(y, x); } For(i, 1, n) Max[i] = i; dfs(1, 0, 0, 0), ans[1] = 0, dfs_ans(1, 0); For(i, 2, n) printf("%d%c", ans[i], i == n ? '\n' : ' '); return 0; }
#include <bits/stdc++.h> #define For(i, l, r) for (int i = (l), i##end = (r); i <= i##end; i++) #define Fordown(i, r, l) for (int i = (r), i##end = (l); i >= i##end; i--) #define debug(x) cout << #x << " = " << x << endl using namespace std; typedef long long ll; template <typename T> inline bool chkmin(T &x, T y) { return y < x ? x = y, 1 : 0; } template <typename T> inline bool chkmax(T &x, T y) { return x < y ? x = y, 1 : 0; } const int INF = 0x3f3f3f3f; const int N = 2e5 + 10; int to[N << 1], nex[N << 1], beg[N], Max[N], ans[N]; int e, n; inline int read() { int x = 0, flag = 1; char ch = getchar(); while (!isdigit(ch) && ch != '-') ch = getchar(); if (ch == '-') flag = -1, ch = getchar(); while (isdigit(ch)) x = (x << 3) + (x << 1) + (ch - '0'), ch = getchar(); return x * flag; } inline void add(int x, int y) { to[++e] = y, nex[e] = beg[x], beg[x] = e; } inline void dfs(int x, int fa, int Las, int Sec) { Max[x] = Max[fa]; if (fa > Max[x]) Max[x] = fa, Las = Sec = x; else chkmax(Sec, x); if (x > Max[x]) ans[x]++; else if (Max[Max[x]] > Sec) ans[Max[x]]++; else ans[Las]++; for (int i = beg[x]; i; i = nex[i]) { if (to[i] == fa) continue; dfs(to[i], x, Las, Sec); } } inline void dfs_ans(int x, int fa) { ans[x] += ans[fa]; for (int i = beg[x]; i; i = nex[i]) { if (to[i] == fa) continue; dfs_ans(to[i], x); } } int main() { n = read(); For(i, 2, n) { int x = read(), y = read(); add(x, y), add(y, x); } For(i, 1, n) Max[i] = i; dfs(1, 0, 0, 0), ans[1] = 0, dfs_ans(1, 0); For(i, 2, n) printf("%d%c", ans[i], i == n ? '\n' : ' '); return 0; }
delete
65
69
65
65
TLE
p03204
C++
Runtime Error
#include <algorithm> #include <bitset> #include <cassert> #include <cmath> #include <cstdio> #include <cstring> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <set> #include <vector> using namespace std; const int _ = 1e5 + 7; struct Edge { int end, upEd; } Ed[_ << 1]; int head[_], cntEd, N; void addEd(int a, int b) { Ed[++cntEd] = (Edge){b, head[a]}; head[a] = cntEd; } int fa[_], mx[_], ts; vector<int> nxt[_]; void dfs(int x, int p, int m) { fa[x] = p; mx[x] = m; if (m < x) { nxt[m].push_back(x); m = x; } for (int i = head[x]; i; i = Ed[i].upEd) if (Ed[i].end != p) dfs(Ed[i].end, x, m); } int sum[_], tmp[_]; void down(int x, int p) { for (int i = head[x]; i; i = Ed[i].upEd) if (Ed[i].end != p) { sum[Ed[i].end] += sum[x]; down(Ed[i].end, x); } } int pre[_], sz[_]; int find(int x) { return pre[x] == x ? x : (pre[x] = find(pre[x])); } signed main() { ios::sync_with_stdio(0); cin >> N; for (int i = 1; i < N; ++i) { int a, b; cin >> a >> b; addEd(a, b); addEd(b, a); } dfs(1, 0, 0); for (int i = 1; i <= N; ++i) pre[i] = i; for (int i = 1; i <= N; ++i) { if (mx[i] < i) { for (auto x : nxt[i]) { int cur = 0; for (int j = head[x]; j; j = Ed[j].upEd) if (Ed[j].end != fa[x]) cur += sz[find(Ed[j].end)]; tmp[x] = 1 + cur; for (int j = head[x]; j; j = Ed[j].upEd) if (Ed[j].end != fa[x]) sum[Ed[j].end] += cur - sz[find(Ed[j].end)]; } for (int j = head[i]; j; j = Ed[j].upEd) if (Ed[j].end != fa[i]) sum[Ed[j].end] += sz[find(Ed[j].end)] + 1; } sz[i] = 1; for (int j = head[i]; j; j = Ed[j].upEd) if (Ed[j].end < i) { sz[find(i)] += sz[find(Ed[j].end)]; pre[find(Ed[j].end)] = find(i); } } down(1, 0); for (int i = 2; i <= N; ++i) printf("%d ", sum[i] + tmp[i] - 1); return 0; }
#include <algorithm> #include <bitset> #include <cassert> #include <cmath> #include <cstdio> #include <cstring> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <set> #include <vector> using namespace std; const int _ = 2e5 + 7; struct Edge { int end, upEd; } Ed[_ << 1]; int head[_], cntEd, N; void addEd(int a, int b) { Ed[++cntEd] = (Edge){b, head[a]}; head[a] = cntEd; } int fa[_], mx[_], ts; vector<int> nxt[_]; void dfs(int x, int p, int m) { fa[x] = p; mx[x] = m; if (m < x) { nxt[m].push_back(x); m = x; } for (int i = head[x]; i; i = Ed[i].upEd) if (Ed[i].end != p) dfs(Ed[i].end, x, m); } int sum[_], tmp[_]; void down(int x, int p) { for (int i = head[x]; i; i = Ed[i].upEd) if (Ed[i].end != p) { sum[Ed[i].end] += sum[x]; down(Ed[i].end, x); } } int pre[_], sz[_]; int find(int x) { return pre[x] == x ? x : (pre[x] = find(pre[x])); } signed main() { ios::sync_with_stdio(0); cin >> N; for (int i = 1; i < N; ++i) { int a, b; cin >> a >> b; addEd(a, b); addEd(b, a); } dfs(1, 0, 0); for (int i = 1; i <= N; ++i) pre[i] = i; for (int i = 1; i <= N; ++i) { if (mx[i] < i) { for (auto x : nxt[i]) { int cur = 0; for (int j = head[x]; j; j = Ed[j].upEd) if (Ed[j].end != fa[x]) cur += sz[find(Ed[j].end)]; tmp[x] = 1 + cur; for (int j = head[x]; j; j = Ed[j].upEd) if (Ed[j].end != fa[x]) sum[Ed[j].end] += cur - sz[find(Ed[j].end)]; } for (int j = head[i]; j; j = Ed[j].upEd) if (Ed[j].end != fa[i]) sum[Ed[j].end] += sz[find(Ed[j].end)] + 1; } sz[i] = 1; for (int j = head[i]; j; j = Ed[j].upEd) if (Ed[j].end < i) { sz[find(i)] += sz[find(Ed[j].end)]; pre[find(Ed[j].end)] = find(i); } } down(1, 0); for (int i = 2; i <= N; ++i) printf("%d ", sum[i] + tmp[i] - 1); return 0; }
replace
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0
p03204
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int N; vector<int> g[200000]; int ans[100000]; map<int, int> mp[200000]; int dfs2(int idx, int par, int v) { if (mp[idx].count(v)) return mp[idx][v]; int ret = 1; for (auto &to : g[idx]) { if (to == par) continue; if (to < v) ret += dfs2(to, idx, v); } return mp[idx][v] = ret; } void dfs(int idx, int par, int c, int delta) { int add = dfs2(idx, par, max(c, par)); if (c > idx) add -= dfs2(idx, par, c); delta += add; ans[idx] = delta; for (auto &to : g[idx]) { if (to == par) continue; dfs(to, idx, max(c, par), delta); } } int main() { cin >> N; for (int i = 1; i < N; i++) { int x, y; cin >> x >> y; --x, --y; g[x].push_back(y); g[y].push_back(x); } for (auto to : g[0]) dfs(to, 0, 0, 0); for (int i = 1; i < N; i++) cout << ans[i] << " "; cout << endl; }
#include <bits/stdc++.h> using namespace std; int N; vector<int> g[200000]; int ans[200000]; map<int, int> mp[200000]; int dfs2(int idx, int par, int v) { if (mp[idx].count(v)) return mp[idx][v]; int ret = 1; for (auto &to : g[idx]) { if (to == par) continue; if (to < v) ret += dfs2(to, idx, v); } return mp[idx][v] = ret; } void dfs(int idx, int par, int c, int delta) { int add = dfs2(idx, par, max(c, par)); if (c > idx) add -= dfs2(idx, par, c); delta += add; ans[idx] = delta; for (auto &to : g[idx]) { if (to == par) continue; dfs(to, idx, max(c, par), delta); } } int main() { cin >> N; for (int i = 1; i < N; i++) { int x, y; cin >> x >> y; --x, --y; g[x].push_back(y); g[y].push_back(x); } for (auto to : g[0]) dfs(to, 0, 0, 0); for (int i = 1; i < N; i++) cout << ans[i] << " "; cout << endl; }
replace
6
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6
7
0
p03204
C++
Runtime Error
#include <algorithm> #include <bitset> #include <cassert> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <math.h> #include <queue> #include <random> #include <set> #include <time.h> #include <unordered_map> #include <vector> using namespace std; using ll = long long; using ld = long double; using P = pair<ll, ll>; #define MOD 998244353LL #define INF 1000000000LL #define EPS 1e-10 #define FOR(i, n, m) for (ll i = n; i < (ll)m; i++) #define REP(i, n) FOR(i, 0, n) #define DUMP(a) \ REP(d, a.size()) { \ cout << a[d]; \ if (d != a.size() - 1) \ cout << " "; \ else \ cout << endl; \ } #define ALL(v) v.begin(), v.end() #define UNIQUE(v) \ sort(ALL(v)); \ v.erase(unique(ALL(v)), v.end()); #define pb push_back vector<vector<ll>> g; vector<ll> weight; vector<ll> ans; constexpr int MAX_SIZE = 505050; template <typename T> class SegTree { private: int n; const function<T(T, T)> op; // 演算 const T ie; // 演算の単位元 T seq[MAX_SIZE]; public: /// op: 演算, ie: 演算の単位元 SegTree(int _n, function<T(T, T)> op, const T ie) : op(op), ie(ie) { n = 1; while (n < _n) n *= 2; for (int i = 0; i < 2 * n - 1; i++) seq[i] = ie; } /// k 番目(0-indexed)の要素を e で更新 void update(ll k, const T e) { k += n - 1; seq[k] = e; while (k > 0) { k = (k - 1) / 2; seq[k] = op(seq[k * 2 + 1], seq[k * 2 + 2]); } } // k 番目(0-indexed)の要素を取得 T get(ll k) { k += n - 1; return seq[k]; } /// [a, b) 番目(0-indexed)の要素全体の演算結果を返す T query(ll a, ll b, int k = 0, int l = 0, int r = -1) { if (r == -1) r = n; if (r <= a || b <= l) return ie; if (a <= l && r <= b) return seq[k]; T vl = query(a, b, k * 2 + 1, l, (l + r) / 2); T vr = query(a, b, k * 2 + 2, (l + r) / 2, r); return op(vl, vr); } }; // [Range Maximum Query] op: [] (long long a, long long b) { return max(a, b); // }, ie: -1e18 void dfs(ll pos, ll par, ll dpt, ll maxi_pos, SegTree<ll> &seg) { seg.update(dpt, pos); if (seg.get(maxi_pos) > pos) { if (seg.query(0, maxi_pos) > seg.query(maxi_pos + 1, dpt + 1)) { weight[seg.get(maxi_pos)]++; } else weight[seg.get(maxi_pos + 1)]++; } else weight[pos]++; REP(i, g[pos].size()) { if (g[pos][i] == par) continue; if (seg.get(maxi_pos) < pos) { dfs(g[pos][i], pos, dpt + 1, dpt, seg); } else { dfs(g[pos][i], pos, dpt + 1, maxi_pos, seg); } } seg.update(dpt, -1); return; } void calc(ll pos, ll par, ll cost) { cost += weight[pos]; if (pos != 0) ans[pos - 1] = cost - 1; REP(i, g[pos].size()) { if (g[pos][i] == par) continue; calc(g[pos][i], pos, cost); } return; } int main() { cin.tie(0); ios::sync_with_stdio(false); ll n; cin >> n; g.resize(n); weight.assign(n, 0); REP(i, n - 1) { ll a, b; cin >> a >> b; a--; b--; g[a].pb(b); g[b].pb(a); } SegTree<ll> seg( n + 1, [](ll a, ll b) { return max(a, b); }, -1); dfs(0, -1, 1, 0, seg); ans.resize(n - 1); calc(0, -1, 0); DUMP(ans); return 0; } /* --------------------------------------- */
#include <algorithm> #include <bitset> #include <cassert> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <math.h> #include <queue> #include <random> #include <set> #include <time.h> #include <unordered_map> #include <vector> using namespace std; using ll = long long; using ld = long double; using P = pair<ll, ll>; #define MOD 998244353LL #define INF 1000000000LL #define EPS 1e-10 #define FOR(i, n, m) for (ll i = n; i < (ll)m; i++) #define REP(i, n) FOR(i, 0, n) #define DUMP(a) \ REP(d, a.size()) { \ cout << a[d]; \ if (d != a.size() - 1) \ cout << " "; \ else \ cout << endl; \ } #define ALL(v) v.begin(), v.end() #define UNIQUE(v) \ sort(ALL(v)); \ v.erase(unique(ALL(v)), v.end()); #define pb push_back vector<vector<ll>> g; vector<ll> weight; vector<ll> ans; constexpr int MAX_SIZE = 1000010; template <typename T> class SegTree { private: int n; const function<T(T, T)> op; // 演算 const T ie; // 演算の単位元 T seq[MAX_SIZE]; public: /// op: 演算, ie: 演算の単位元 SegTree(int _n, function<T(T, T)> op, const T ie) : op(op), ie(ie) { n = 1; while (n < _n) n *= 2; for (int i = 0; i < 2 * n - 1; i++) seq[i] = ie; } /// k 番目(0-indexed)の要素を e で更新 void update(ll k, const T e) { k += n - 1; seq[k] = e; while (k > 0) { k = (k - 1) / 2; seq[k] = op(seq[k * 2 + 1], seq[k * 2 + 2]); } } // k 番目(0-indexed)の要素を取得 T get(ll k) { k += n - 1; return seq[k]; } /// [a, b) 番目(0-indexed)の要素全体の演算結果を返す T query(ll a, ll b, int k = 0, int l = 0, int r = -1) { if (r == -1) r = n; if (r <= a || b <= l) return ie; if (a <= l && r <= b) return seq[k]; T vl = query(a, b, k * 2 + 1, l, (l + r) / 2); T vr = query(a, b, k * 2 + 2, (l + r) / 2, r); return op(vl, vr); } }; // [Range Maximum Query] op: [] (long long a, long long b) { return max(a, b); // }, ie: -1e18 void dfs(ll pos, ll par, ll dpt, ll maxi_pos, SegTree<ll> &seg) { seg.update(dpt, pos); if (seg.get(maxi_pos) > pos) { if (seg.query(0, maxi_pos) > seg.query(maxi_pos + 1, dpt + 1)) { weight[seg.get(maxi_pos)]++; } else weight[seg.get(maxi_pos + 1)]++; } else weight[pos]++; REP(i, g[pos].size()) { if (g[pos][i] == par) continue; if (seg.get(maxi_pos) < pos) { dfs(g[pos][i], pos, dpt + 1, dpt, seg); } else { dfs(g[pos][i], pos, dpt + 1, maxi_pos, seg); } } seg.update(dpt, -1); return; } void calc(ll pos, ll par, ll cost) { cost += weight[pos]; if (pos != 0) ans[pos - 1] = cost - 1; REP(i, g[pos].size()) { if (g[pos][i] == par) continue; calc(g[pos][i], pos, cost); } return; } int main() { cin.tie(0); ios::sync_with_stdio(false); ll n; cin >> n; g.resize(n); weight.assign(n, 0); REP(i, n - 1) { ll a, b; cin >> a >> b; a--; b--; g[a].pb(b); g[b].pb(a); } SegTree<ll> seg( n + 1, [](ll a, ll b) { return max(a, b); }, -1); dfs(0, -1, 1, 0, seg); ans.resize(n - 1); calc(0, -1, 0); DUMP(ans); return 0; } /* --------------------------------------- */
replace
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0
p03204
C++
Runtime Error
#include <cstdio> #include <queue> using namespace std; #define N 100050 int fa[N], sz[N], head[N], cnt, mx[N], f[N], ti = 1, as[N], n, a, b, fr[N], vl[N]; struct edge { int t, next; } ed[N * 2]; priority_queue<pair<int, int>> st; int finds(int x) { return fa[x] == x ? x : fa[x] = finds(fa[x]); } void adde(int f, int t) { ed[++cnt] = (edge){t, head[f]}; head[f] = cnt; ed[++cnt] = (edge){f, head[t]}; head[t] = cnt; } void dfs1(int u, int fa) { f[u] = fa; mx[u] = mx[f[u]], fr[u] = fr[f[u]]; if (mx[u] < fa) mx[u] = fa, fr[u] = u; for (int i = head[u]; i; i = ed[i].next) if (ed[i].t != fa) dfs1(ed[i].t, u); } int que(int x) { if (x < ti) return sz[finds(x)] - 1; int as = 0; for (int i = head[x]; i; i = ed[i].next) if (ed[i].t < ti) as += sz[finds(ed[i].t)]; return as; } int main() { scanf("%d", &n); for (int i = 1; i < n; i++) scanf("%d%d", &a, &b), adde(a, b); for (int i = 1; i <= n; i++) fa[i] = i, sz[i] = 1; dfs1(1, 0); for (int i = head[1]; i; i = ed[i].next) st.push(make_pair(-1, ed[i].t)); while (!st.empty()) { int las = ti; ti = -st.top().first; int s = st.top().second; st.pop(); for (int i = las; i < ti; i++) for (int j = head[i]; j; j = ed[j].next) if (ed[j].t < i) { int a = finds(i), b = finds(ed[j].t); fa[a] = b, sz[b] += sz[a]; } as[s] += as[mx[s]] + que(s) + 1 - vl[fr[s]]; for (int i = head[s]; i; i = ed[i].next) if (ed[i].t != f[s]) st.push(make_pair(-mx[ed[i].t], ed[i].t)), vl[ed[i].t] = ed[i].t < ti ? sz[finds(ed[i].t)] : 0; } for (int i = 2; i <= n; i++) printf("%d ", as[i]); }
#include <cstdio> #include <queue> using namespace std; #define N 200050 int fa[N], sz[N], head[N], cnt, mx[N], f[N], ti = 1, as[N], n, a, b, fr[N], vl[N]; struct edge { int t, next; } ed[N * 2]; priority_queue<pair<int, int>> st; int finds(int x) { return fa[x] == x ? x : fa[x] = finds(fa[x]); } void adde(int f, int t) { ed[++cnt] = (edge){t, head[f]}; head[f] = cnt; ed[++cnt] = (edge){f, head[t]}; head[t] = cnt; } void dfs1(int u, int fa) { f[u] = fa; mx[u] = mx[f[u]], fr[u] = fr[f[u]]; if (mx[u] < fa) mx[u] = fa, fr[u] = u; for (int i = head[u]; i; i = ed[i].next) if (ed[i].t != fa) dfs1(ed[i].t, u); } int que(int x) { if (x < ti) return sz[finds(x)] - 1; int as = 0; for (int i = head[x]; i; i = ed[i].next) if (ed[i].t < ti) as += sz[finds(ed[i].t)]; return as; } int main() { scanf("%d", &n); for (int i = 1; i < n; i++) scanf("%d%d", &a, &b), adde(a, b); for (int i = 1; i <= n; i++) fa[i] = i, sz[i] = 1; dfs1(1, 0); for (int i = head[1]; i; i = ed[i].next) st.push(make_pair(-1, ed[i].t)); while (!st.empty()) { int las = ti; ti = -st.top().first; int s = st.top().second; st.pop(); for (int i = las; i < ti; i++) for (int j = head[i]; j; j = ed[j].next) if (ed[j].t < i) { int a = finds(i), b = finds(ed[j].t); fa[a] = b, sz[b] += sz[a]; } as[s] += as[mx[s]] + que(s) + 1 - vl[fr[s]]; for (int i = head[s]; i; i = ed[i].next) if (ed[i].t != f[s]) st.push(make_pair(-mx[ed[i].t], ed[i].t)), vl[ed[i].t] = ed[i].t < ti ? sz[finds(ed[i].t)] : 0; } for (int i = 2; i <= n; i++) printf("%d ", as[i]); }
replace
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3
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0
p03204
C++
Runtime Error
#include <bits/stdc++.h> #define re register #define ui unsigned int #define ull unsigned long long int c[200100], f[200100], fc[200100], n; struct eg { int to; eg *nx; } e[200100], *la[200100], *cnt = e; inline void addE(re int a, re int b) { *++cnt = (eg){b, la[a]}; la[a] = cnt; *++cnt = (eg){a, la[b]}; la[b] = cnt; } struct nd { int x; nd *l, *r; } pl[5000100], *cct = pl; nd *no[200100]; nd *meg(re nd *a, re nd *b) { if (!a) return b; if (!b) return a; a->x += b->x; a->l = meg(a->l, b->l); a->r = meg(a->r, b->r); return a; } int qus(re nd *a, re int l, re int r, re int l1) { if (!a) return 0; if (l == r) return a->x; re int mid = (l + r) / 2; if (l1 <= mid) return qus(a->l, l, mid, l1); else return (a->l ? a->l->x : 0) + qus(a->r, mid + 1, r, l1); } void add(re nd *&a, re int l, re int r, re int l1, re int x1) { if (!a) a = ++cct; a->x += x1; if (l == r) return; re int mid = (l + r) / 2; if (l1 <= mid) add(a->l, l, mid, l1, x1); else x1 += (a->l ? a->l->x : 0), a->l = 0, add(a->r, mid + 1, r, l1, x1); } void dfs(re int a, re int fa) { for (re eg *i = la[a]; i; i = i->nx) if (i->to != fa) { f[i->to] = std::max(a, f[a]); dfs(i->to, a); fc[i->to] = qus(no[i->to], 1, n, f[a]); no[a] = meg(no[a], no[i->to]); } add(no[a], 1, n, a, 1); } void dfs1(re int a, re int fa, re int x1) { for (re eg *i = la[a]; i; i = i->nx) if (i->to != fa) x1 += fc[i->to]; c[a] = x1; x1++; for (re eg *i = la[a]; i; i = i->nx) if (i->to != fa) dfs1(i->to, a, x1 - fc[i->to]); } int main() { re int x, y; scanf("%d", &n); for (re int i = 1; i < n; i++) scanf("%d%d", &x, &y), addE(x, y); dfs(1, 0); dfs1(1, 0, 0); for (re int i = 2; i <= n; i++) printf("%d ", c[i]); }
#include <bits/stdc++.h> #define re register #define ui unsigned int #define ull unsigned long long int c[200100], f[200100], fc[200100], n; struct eg { int to; eg *nx; } e[400100], *la[200100], *cnt = e; inline void addE(re int a, re int b) { *++cnt = (eg){b, la[a]}; la[a] = cnt; *++cnt = (eg){a, la[b]}; la[b] = cnt; } struct nd { int x; nd *l, *r; } pl[5000100], *cct = pl; nd *no[200100]; nd *meg(re nd *a, re nd *b) { if (!a) return b; if (!b) return a; a->x += b->x; a->l = meg(a->l, b->l); a->r = meg(a->r, b->r); return a; } int qus(re nd *a, re int l, re int r, re int l1) { if (!a) return 0; if (l == r) return a->x; re int mid = (l + r) / 2; if (l1 <= mid) return qus(a->l, l, mid, l1); else return (a->l ? a->l->x : 0) + qus(a->r, mid + 1, r, l1); } void add(re nd *&a, re int l, re int r, re int l1, re int x1) { if (!a) a = ++cct; a->x += x1; if (l == r) return; re int mid = (l + r) / 2; if (l1 <= mid) add(a->l, l, mid, l1, x1); else x1 += (a->l ? a->l->x : 0), a->l = 0, add(a->r, mid + 1, r, l1, x1); } void dfs(re int a, re int fa) { for (re eg *i = la[a]; i; i = i->nx) if (i->to != fa) { f[i->to] = std::max(a, f[a]); dfs(i->to, a); fc[i->to] = qus(no[i->to], 1, n, f[a]); no[a] = meg(no[a], no[i->to]); } add(no[a], 1, n, a, 1); } void dfs1(re int a, re int fa, re int x1) { for (re eg *i = la[a]; i; i = i->nx) if (i->to != fa) x1 += fc[i->to]; c[a] = x1; x1++; for (re eg *i = la[a]; i; i = i->nx) if (i->to != fa) dfs1(i->to, a, x1 - fc[i->to]); } int main() { re int x, y; scanf("%d", &n); for (re int i = 1; i < n; i++) scanf("%d%d", &x, &y), addE(x, y); dfs(1, 0); dfs1(1, 0, 0); for (re int i = 2; i <= n; i++) printf("%d ", c[i]); }
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p03204
C++
Runtime Error
#include <cstdio> int n, head[100001], nxt[200001], b[200001], k, ans2[100001]; void push(int s, int t) { nxt[++k] = head[s]; head[s] = k; b[k] = t; } void dfs(int x, int f, int mx, int skdmx, int down, bool update) { if (x > mx) skdmx = mx, mx = x, update = 1; else if (x > skdmx) skdmx = x, update = 0; ++ans2[x], --ans2[update ? mx : down]; for (int i = head[x]; i; i = nxt[i]) if (b[i] != f) dfs(b[i], x, mx, skdmx, (x == mx) ? b[i] : down, update); } void dfs2(int x, int f) { for (int i = head[x]; i; i = nxt[i]) if (b[i] != f) dfs2(b[i], x), ans2[x] += ans2[b[i]]; } void getans(int x, int f, int sum) { for (int i = head[x]; i; i = nxt[i]) if (b[i] != f) sum += ans2[b[i]]; ans2[x] = ++sum; for (int i = head[x]; i; i = nxt[i]) if (b[i] != f) getans(b[i], x, sum - ans2[b[i]]); } int main() { scanf("%d", &n); for (int i = 1, u, v; i < n; i++) { scanf("%d%d", &u, &v); push(u, v); push(v, u); } dfs(1, 0, 0, 0, 0, 0); dfs2(1, 0); getans(1, 0, -1); for (int i = 2; i <= n; i++) printf("%d ", ans2[i]); }
#include <cstdio> int n, head[200001], nxt[400001], b[400001], k, ans2[200001]; void push(int s, int t) { nxt[++k] = head[s]; head[s] = k; b[k] = t; } void dfs(int x, int f, int mx, int skdmx, int down, bool update) { if (x > mx) skdmx = mx, mx = x, update = 1; else if (x > skdmx) skdmx = x, update = 0; ++ans2[x], --ans2[update ? mx : down]; for (int i = head[x]; i; i = nxt[i]) if (b[i] != f) dfs(b[i], x, mx, skdmx, (x == mx) ? b[i] : down, update); } void dfs2(int x, int f) { for (int i = head[x]; i; i = nxt[i]) if (b[i] != f) dfs2(b[i], x), ans2[x] += ans2[b[i]]; } void getans(int x, int f, int sum) { for (int i = head[x]; i; i = nxt[i]) if (b[i] != f) sum += ans2[b[i]]; ans2[x] = ++sum; for (int i = head[x]; i; i = nxt[i]) if (b[i] != f) getans(b[i], x, sum - ans2[b[i]]); } int main() { scanf("%d", &n); for (int i = 1, u, v; i < n; i++) { scanf("%d%d", &u, &v); push(u, v); push(v, u); } dfs(1, 0, 0, 0, 0, 0); dfs2(1, 0); getans(1, 0, -1); for (int i = 2; i <= n; i++) printf("%d ", ans2[i]); }
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0
p03204
C++
Time Limit Exceeded
#include <bits/stdc++.h> #define ll long long #define INF 1000000005 #define MOD 1000000007 #define EPS 1e-10 #define rep(i, n) for (int i = 0; i < (int)(n); ++i) #define rrep(i, n) for (int i = (int)(n)-1; i >= 0; --i) #define srep(i, s, t) for (int i = (int)(s); i < (int)(t); ++i) #define each(a, b) for (auto &(a) : (b)) #define all(v) (v).begin(), (v).end() #define len(v) (int)(v).size() #define zip(v) sort(all(v)), v.erase(unique(all(v)), v.end()) #define cmx(x, y) x = max(x, y) #define cmn(x, y) x = min(x, y) #define fi first #define se second #define pb push_back #define show(x) cout << #x << " = " << (x) << endl #define spair(p) cout << #p << ": " << p.fi << " " << p.se << endl #define sar(a, n) \ cout << #a << ":"; \ rep(pachico, n) cout << " " << a[pachico]; \ cout << endl #define svec(v) \ cout << #v << ":"; \ rep(pachico, v.size()) cout << " " << v[pachico]; \ cout << endl #define svecp(v) \ cout << #v << ":"; \ each(pachico, v) cout << " {" << pachico.first << ":" << pachico.second \ << "}"; \ cout << endl #define sset(s) \ cout << #s << ":"; \ each(pachico, s) cout << " " << pachico; \ cout << endl #define smap(m) \ cout << #m << ":"; \ each(pachico, m) cout << " {" << pachico.first << ":" << pachico.second \ << "}"; \ cout << endl using namespace std; typedef pair<int, int> P; typedef pair<ll, ll> pll; typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<ll> vl; typedef vector<vl> vvl; typedef vector<double> vd; typedef vector<P> vp; typedef vector<string> vs; const int MAX_N = 200005; vector<int> G[MAX_N], cnt[MAX_N]; int ans[MAX_N], mx[MAX_N]; void dfs(int u, int p, int val) { mx[u] = val; each(v, G[u]) { if (v != p) { cnt[u].pb(0); dfs(v, u, max(val, u)); } } } void redfs(int u, int p, const int val, int &num) { num++; int id = 0, prv = 0; each(v, G[u]) { if (v != p) { prv = num; if (v < val) redfs(v, u, val, num); cnt[u][id++] = num - prv; } } } void dfs(int u, int p) { if (p >= 0) { if (mx[p] != mx[u] || u > p) { int num = 0; redfs(u, p, mx[u], num); } } each(v, G[u]) { if (v != p) { dfs(v, u); } } } void redfs(int u, int p, int val) { int id = 0, sm = accumulate(all(cnt[u]), 0); ans[u] = val + sm; each(v, G[u]) { if (v != p) { redfs(v, u, val + sm - cnt[u][id++] + 1); } } } int main() { cin.tie(0); ios::sync_with_stdio(false); int n; cin >> n; rep(i, n - 1) { int a, b; cin >> a >> b; G[a - 1].pb(b - 1), G[b - 1].pb(a - 1); } dfs(0, -1, -1); dfs(0, -1); redfs(0, -1, 0); srep(i, 1, n) { cout << ans[i] << " "; } cout << "\n"; return 0; }
#include <bits/stdc++.h> #define ll long long #define INF 1000000005 #define MOD 1000000007 #define EPS 1e-10 #define rep(i, n) for (int i = 0; i < (int)(n); ++i) #define rrep(i, n) for (int i = (int)(n)-1; i >= 0; --i) #define srep(i, s, t) for (int i = (int)(s); i < (int)(t); ++i) #define each(a, b) for (auto &(a) : (b)) #define all(v) (v).begin(), (v).end() #define len(v) (int)(v).size() #define zip(v) sort(all(v)), v.erase(unique(all(v)), v.end()) #define cmx(x, y) x = max(x, y) #define cmn(x, y) x = min(x, y) #define fi first #define se second #define pb push_back #define show(x) cout << #x << " = " << (x) << endl #define spair(p) cout << #p << ": " << p.fi << " " << p.se << endl #define sar(a, n) \ cout << #a << ":"; \ rep(pachico, n) cout << " " << a[pachico]; \ cout << endl #define svec(v) \ cout << #v << ":"; \ rep(pachico, v.size()) cout << " " << v[pachico]; \ cout << endl #define svecp(v) \ cout << #v << ":"; \ each(pachico, v) cout << " {" << pachico.first << ":" << pachico.second \ << "}"; \ cout << endl #define sset(s) \ cout << #s << ":"; \ each(pachico, s) cout << " " << pachico; \ cout << endl #define smap(m) \ cout << #m << ":"; \ each(pachico, m) cout << " {" << pachico.first << ":" << pachico.second \ << "}"; \ cout << endl using namespace std; typedef pair<int, int> P; typedef pair<ll, ll> pll; typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<ll> vl; typedef vector<vl> vvl; typedef vector<double> vd; typedef vector<P> vp; typedef vector<string> vs; const int MAX_N = 200005; vector<int> G[MAX_N], cnt[MAX_N]; int ans[MAX_N], mx[MAX_N]; void dfs(int u, int p, int val) { mx[u] = val; each(v, G[u]) { if (v != p) { cnt[u].pb(0); dfs(v, u, max(val, u)); } } } void redfs(int u, int p, const int val, int &num) { num++; int id = 0, prv = 0; each(v, G[u]) { if (v != p) { prv = num; if (v < val) redfs(v, u, val, num); cnt[u][id++] = num - prv; } } } void dfs(int u, int p) { if (p >= 0) { if (mx[p] != mx[u] || u > mx[u]) { int num = 0; redfs(u, p, mx[u], num); } } each(v, G[u]) { if (v != p) { dfs(v, u); } } } void redfs(int u, int p, int val) { int id = 0, sm = accumulate(all(cnt[u]), 0); ans[u] = val + sm; each(v, G[u]) { if (v != p) { redfs(v, u, val + sm - cnt[u][id++] + 1); } } } int main() { cin.tie(0); ios::sync_with_stdio(false); int n; cin >> n; rep(i, n - 1) { int a, b; cin >> a >> b; G[a - 1].pb(b - 1), G[b - 1].pb(a - 1); } dfs(0, -1, -1); dfs(0, -1); redfs(0, -1, 0); srep(i, 1, n) { cout << ans[i] << " "; } cout << "\n"; return 0; }
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TLE
p03204
C++
Runtime Error
#include <algorithm> #include <cstdio> #include <cstring> #include <iostream> #include <string> #include <vector> using namespace std; const int N = 2e5 + 5; int n, c[N]; vector<int> G[N]; inline void addedge(int u = 0, int v = 0) { scanf("%d%d", &u, &v), G[u].push_back(v), G[v].push_back(u); } int calc(int u, int fa, int lim) { int res = 1; for (auto v : G[u]) if (v < lim) res += calc(v, u, lim); return res; } void solve(int u, int fa, int t1, int t2) { if (u > t2) c[u] = c[fa] + calc(u, fa, t1); else if (t1 > t2) c[u] = c[fa] + calc(u, fa, t1) - calc(u, fa, t2); else c[u] = c[fa]; for (auto v : G[u]) if (v != fa) solve(v, u, max(t1, u), max(t2, fa)); } int main() { scanf("%d", &n); for (int i = 2; i <= n; ++i) addedge(); solve(1, 0, 1, 1); for (int i = 2; i <= n; ++i) printf("%d ", c[i]); return puts(""), 0; }
#include <algorithm> #include <cstdio> #include <cstring> #include <iostream> #include <string> #include <vector> using namespace std; const int N = 2e5 + 5; int n, c[N]; vector<int> G[N]; inline void addedge(int u = 0, int v = 0) { scanf("%d%d", &u, &v), G[u].push_back(v), G[v].push_back(u); } int calc(int u, int fa, int lim) { int res = 1; for (auto v : G[u]) if (v < lim && v != fa) res += calc(v, u, lim); return res; } void solve(int u, int fa, int t1, int t2) { if (u > t2) c[u] = c[fa] + calc(u, fa, t1); else if (t1 > t2) c[u] = c[fa] + calc(u, fa, t1) - calc(u, fa, t2); else c[u] = c[fa]; for (auto v : G[u]) if (v != fa) solve(v, u, max(t1, u), max(t2, fa)); } int main() { scanf("%d", &n); for (int i = 2; i <= n; ++i) addedge(); solve(1, 0, 1, 1); for (int i = 2; i <= n; ++i) printf("%d ", c[i]); return puts(""), 0; }
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0
p03204
C++
Runtime Error
#include <algorithm> #include <cmath> #include <cstdio> #include <cstdlib> #include <cstring> #include <iostream> #include <map> #include <queue> #include <set> #include <stack> #include <vector> #define rep(i, l, r) for (int i = (l); i <= (r); ++i) #define per(i, r, l) for (int i = (r); i >= (l); --i) #define pb push_back using namespace std; const int N = 1010; vector<int> G[N]; int n, f[N], u, v, fa[N][20], c[N], d[N]; int get(int v, int t) { int u = v; per(i, 18, 0) if (c[fa[fa[u][i]][0]] > v && d[fa[u][i]] >= t) u = fa[u][i]; return u; } void dfs(int u, int t) { ++f[t]; for (int &v : G[u]) if (v ^ fa[u][0]) { d[v] = d[u] + 1, c[v] = max(c[u], v), fa[v][0] = u; rep(i, 1, 18) fa[v][i] = fa[fa[v][i - 1]][i - 1]; dfs(v, get(v, d[t])); } } void DFS(int u) { for (int &v : G[u]) if (v ^ fa[u][0]) f[v] += f[u], DFS(v); } int main() { scanf("%d", &n); rep(i, 1, n - 1) scanf("%d%d", &u, &v), G[u].pb(v), G[v].pb(u); d[1] = 1; c[1] = 1; dfs(1, 1); DFS(1); rep(i, 2, n) printf("%d ", f[i] - 1); return 0; }
#include <algorithm> #include <cmath> #include <cstdio> #include <cstdlib> #include <cstring> #include <iostream> #include <map> #include <queue> #include <set> #include <stack> #include <vector> #define rep(i, l, r) for (int i = (l); i <= (r); ++i) #define per(i, r, l) for (int i = (r); i >= (l); --i) #define pb push_back using namespace std; const int N = 2e5 + 10; vector<int> G[N]; int n, f[N], u, v, fa[N][20], c[N], d[N]; int get(int v, int t) { int u = v; per(i, 18, 0) if (c[fa[fa[u][i]][0]] > v && d[fa[u][i]] >= t) u = fa[u][i]; return u; } void dfs(int u, int t) { ++f[t]; for (int &v : G[u]) if (v ^ fa[u][0]) { d[v] = d[u] + 1, c[v] = max(c[u], v), fa[v][0] = u; rep(i, 1, 18) fa[v][i] = fa[fa[v][i - 1]][i - 1]; dfs(v, get(v, d[t])); } } void DFS(int u) { for (int &v : G[u]) if (v ^ fa[u][0]) f[v] += f[u], DFS(v); } int main() { scanf("%d", &n); rep(i, 1, n - 1) scanf("%d%d", &u, &v), G[u].pb(v), G[v].pb(u); d[1] = 1; c[1] = 1; dfs(1, 1); DFS(1); rep(i, 2, n) printf("%d ", f[i] - 1); return 0; }
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0
p03204
C++
Runtime Error
#pragma GCC optimize("O2,Ofast,inline,unroll-all-loops,-ffast-math") #pragma GCC target("popcnt") #include <bits/stdc++.h> #define maxn 100010 #define ll long long #define ull unsigned long long #define ld long double #define fi first #define se second #define pb push_back #define pob pop_back #define pf push_front #define pof pop_front #define pii pair<int, int> #define pil pair<int, ll> #define pll pair<ll, ll> #define IL inline #define ss system using namespace std; int mx[maxn], c[maxn], n; vector<int> nxt[maxn]; map<int, int> F[maxn]; template <class T> void read(T &x) { char ch = x = 0; bool fl = false; while (!isdigit(ch)) fl |= ch == '-', ch = getchar(); while (isdigit(ch)) x = x * 10 + ch - '0', ch = getchar(); x = fl ? -x : x; } int f(int x, int y, int fa) { if (F[x].count(y)) return F[x][y]; int ret = 0; for (auto &v : nxt[x]) { if (v != fa && v <= y) ret += 1 + f(v, y, x); } return F[x][y] = ret; } void dfs(int x, int fa) { mx[x] = max(mx[fa], fa); if (x > mx[fa]) c[x] = c[fa] + f(x, mx[x], fa) + 1; else c[x] = c[fa] + f(x, mx[x], fa) - f(x, mx[fa], fa); for (auto &v : nxt[x]) { if (v != fa) dfs(v, x); } } int main() { read(n); for (int i = 1, u, v; i <= n - 1; i++) { read(u), read(v), nxt[u].pb(v), nxt[v].pb(u); } for (auto &v : nxt[1]) { dfs(v, 1); } for (int i = 2; i <= n; i++) { printf("%d%c", c[i], i == n ? '\n' : ' '); } return 0; }
#pragma GCC optimize("O2,Ofast,inline,unroll-all-loops,-ffast-math") #pragma GCC target("popcnt") #include <bits/stdc++.h> #define maxn 200010 #define ll long long #define ull unsigned long long #define ld long double #define fi first #define se second #define pb push_back #define pob pop_back #define pf push_front #define pof pop_front #define pii pair<int, int> #define pil pair<int, ll> #define pll pair<ll, ll> #define IL inline #define ss system using namespace std; int mx[maxn], c[maxn], n; vector<int> nxt[maxn]; map<int, int> F[maxn]; template <class T> void read(T &x) { char ch = x = 0; bool fl = false; while (!isdigit(ch)) fl |= ch == '-', ch = getchar(); while (isdigit(ch)) x = x * 10 + ch - '0', ch = getchar(); x = fl ? -x : x; } int f(int x, int y, int fa) { if (F[x].count(y)) return F[x][y]; int ret = 0; for (auto &v : nxt[x]) { if (v != fa && v <= y) ret += 1 + f(v, y, x); } return F[x][y] = ret; } void dfs(int x, int fa) { mx[x] = max(mx[fa], fa); if (x > mx[fa]) c[x] = c[fa] + f(x, mx[x], fa) + 1; else c[x] = c[fa] + f(x, mx[x], fa) - f(x, mx[fa], fa); for (auto &v : nxt[x]) { if (v != fa) dfs(v, x); } } int main() { read(n); for (int i = 1, u, v; i <= n - 1; i++) { read(u), read(v), nxt[u].pb(v), nxt[v].pb(u); } for (auto &v : nxt[1]) { dfs(v, 1); } for (int i = 2; i <= n; i++) { printf("%d%c", c[i], i == n ? '\n' : ' '); } return 0; }
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0
p03204
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 10; struct Edge { int to, nex; } e[N << 1]; int head[N], ecnt; void adde(int fr, int to) { e[++ecnt] = (Edge){to, head[fr]}; head[fr] = ecnt; } void addedge(int fr, int to) { adde(to, fr); adde(fr, to); } int n, par[N], c[N], mx[N]; map<int, int> exi[N]; void dfs(int x, int fa) { par[x] = fa; for (int j = head[x]; j; j = e[j].nex) if (e[j].to != fa) { mx[e[j].to] = max(mx[x], x); dfs(e[j].to, x); } } int Q(int x, int v) { if (exi[x].count(v)) return exi[x][v]; int res = 0; for (int j = head[x]; j; j = e[j].nex) { if (e[j].to <= v && e[j].to != par[x]) { res += Q(e[j].to, v) + 1; } } return exi[x][v] = res; } void dfs2(int x) { for (int j = head[x]; j; j = e[j].nex) { if (e[j].to != par[x]) { if (e[j].to > mx[x]) { c[e[j].to] = c[x] + Q(e[j].to, mx[e[j].to]) + 1; } else { c[e[j].to] = c[x] + Q(e[j].to, mx[e[j].to]) - Q(e[j].to, mx[x]); } dfs2(e[j].to); } } } int main() { scanf("%d", &n); for (int i = 1; i < n; i++) { int u, v; scanf("%d%d", &u, &v); addedge(u, v); } mx[1] = -1; dfs(1, 0); dfs2(1); for (int i = 2; i <= n; i++) printf("%d ", c[i]); return 0; }
#include <bits/stdc++.h> using namespace std; const int N = 2e5 + 10; struct Edge { int to, nex; } e[N << 1]; int head[N], ecnt; void adde(int fr, int to) { e[++ecnt] = (Edge){to, head[fr]}; head[fr] = ecnt; } void addedge(int fr, int to) { adde(to, fr); adde(fr, to); } int n, par[N], c[N], mx[N]; map<int, int> exi[N]; void dfs(int x, int fa) { par[x] = fa; for (int j = head[x]; j; j = e[j].nex) if (e[j].to != fa) { mx[e[j].to] = max(mx[x], x); dfs(e[j].to, x); } } int Q(int x, int v) { if (exi[x].count(v)) return exi[x][v]; int res = 0; for (int j = head[x]; j; j = e[j].nex) { if (e[j].to <= v && e[j].to != par[x]) { res += Q(e[j].to, v) + 1; } } return exi[x][v] = res; } void dfs2(int x) { for (int j = head[x]; j; j = e[j].nex) { if (e[j].to != par[x]) { if (e[j].to > mx[x]) { c[e[j].to] = c[x] + Q(e[j].to, mx[e[j].to]) + 1; } else { c[e[j].to] = c[x] + Q(e[j].to, mx[e[j].to]) - Q(e[j].to, mx[x]); } dfs2(e[j].to); } } } int main() { scanf("%d", &n); for (int i = 1; i < n; i++) { int u, v; scanf("%d%d", &u, &v); addedge(u, v); } mx[1] = -1; dfs(1, 0); dfs2(1); for (int i = 2; i <= n; i++) printf("%d ", c[i]); return 0; }
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p03205
C++
Runtime Error
// Jump, and you will find out how to unfold your wings as you fall. #include <bits/stdc++.h> #define F first #define S second #define PB push_back #define sz(s) int((s).size()) #define bit(n, k) (((n) >> (k)) & 1) using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; const int maxn = 1e5 + 10, Src = maxn - 3, Snk = maxn - 2, inf = 1e8; vector<pii> v[maxn]; vector<int> vid[maxn]; bool mark[maxn]; pii ans[maxn]; int n, h[maxn], pt[maxn]; void add_edge(int a, int b) { vid[a].PB(sz(v[b])); vid[b].PB(sz(v[a])); v[a].PB({b, 1}); v[b].PB({a, 0}); } bool bfs() { memset(mark, 0, sizeof mark); queue<int> q; q.push(Src); mark[Src] = 1; while (sz(q)) { int u = q.front(); if (u == Snk) return 1; q.pop(); for (pii p : v[u]) { if (p.S > 0 && mark[p.F] == 0) { h[p.F] = h[u] + 1; mark[p.F] = 1; q.push(p.F); } } } return 0; } int dfs(int u, int flw = inf) { if (u == Snk) return flw; int ans = 0, &i = pt[u]; while (i < sz(v[u])) { int y = v[u][i].F, &w = v[u][i].S, &w2 = v[y][vid[u][i]].S; if (w > 0 && h[u] + 1 == h[y]) { int num = dfs(y, min(flw - ans, w)); w -= num, w2 += num, ans += num; if (ans == flw) return ans; } ++i; } return ans; } int flow() { int ans = 0; while (bfs()) { memset(pt, 0, sizeof pt); ans += dfs(Src); } return ans; } void go(int u, int par = -1) { mark[u] = 1; if (u >= n && u != Src && u != Snk) { int y = -1; for (pii p : v[u]) { if (p.S != 0) y = p.F; } ans[u - n] = {par + 1, y + 1}; } for (pii p : v[u]) { if (p.S != 0 && mark[p.F] == 0) go(p.F, u); } } int main() { ios_base::sync_with_stdio(0); cin.tie(); cin >> n; for (int i = 0; i < n - 1; i++) { int N; cin >> N; while (N--) { int x; cin >> x; add_edge(--x, i + n); } } for (int i = 0; i < n; i++) { add_edge(Src, i); } for (int i = n; i < 2 * n - 1; i++) { add_edge(i, Snk); } int num = flow(); if (num != n - 1) return cout << -1 << endl, 0; memset(mark, 0, sizeof mark); go(Src); for (int i = 0; i < n - 1; i++) { if (ans[i].F == 0) return cout << -1 << endl, 0; } for (int i = 0; i < n - 1; i++) { cout << ans[i].F << " " << ans[i].S << "\n"; } } // Deathly mistakes: // * Read the problem curfully. // * Check maxn. // * Overflows.
// Jump, and you will find out how to unfold your wings as you fall. #include <bits/stdc++.h> #define F first #define S second #define PB push_back #define sz(s) int((s).size()) #define bit(n, k) (((n) >> (k)) & 1) using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; const int maxn = 2e5 + 10, Src = maxn - 3, Snk = maxn - 2, inf = 1e8; vector<pii> v[maxn]; vector<int> vid[maxn]; bool mark[maxn]; pii ans[maxn]; int n, h[maxn], pt[maxn]; void add_edge(int a, int b) { vid[a].PB(sz(v[b])); vid[b].PB(sz(v[a])); v[a].PB({b, 1}); v[b].PB({a, 0}); } bool bfs() { memset(mark, 0, sizeof mark); queue<int> q; q.push(Src); mark[Src] = 1; while (sz(q)) { int u = q.front(); if (u == Snk) return 1; q.pop(); for (pii p : v[u]) { if (p.S > 0 && mark[p.F] == 0) { h[p.F] = h[u] + 1; mark[p.F] = 1; q.push(p.F); } } } return 0; } int dfs(int u, int flw = inf) { if (u == Snk) return flw; int ans = 0, &i = pt[u]; while (i < sz(v[u])) { int y = v[u][i].F, &w = v[u][i].S, &w2 = v[y][vid[u][i]].S; if (w > 0 && h[u] + 1 == h[y]) { int num = dfs(y, min(flw - ans, w)); w -= num, w2 += num, ans += num; if (ans == flw) return ans; } ++i; } return ans; } int flow() { int ans = 0; while (bfs()) { memset(pt, 0, sizeof pt); ans += dfs(Src); } return ans; } void go(int u, int par = -1) { mark[u] = 1; if (u >= n && u != Src && u != Snk) { int y = -1; for (pii p : v[u]) { if (p.S != 0) y = p.F; } ans[u - n] = {par + 1, y + 1}; } for (pii p : v[u]) { if (p.S != 0 && mark[p.F] == 0) go(p.F, u); } } int main() { ios_base::sync_with_stdio(0); cin.tie(); cin >> n; for (int i = 0; i < n - 1; i++) { int N; cin >> N; while (N--) { int x; cin >> x; add_edge(--x, i + n); } } for (int i = 0; i < n; i++) { add_edge(Src, i); } for (int i = n; i < 2 * n - 1; i++) { add_edge(i, Snk); } int num = flow(); if (num != n - 1) return cout << -1 << endl, 0; memset(mark, 0, sizeof mark); go(Src); for (int i = 0; i < n - 1; i++) { if (ans[i].F == 0) return cout << -1 << endl, 0; } for (int i = 0; i < n - 1; i++) { cout << ans[i].F << " " << ans[i].S << "\n"; } } // Deathly mistakes: // * Read the problem curfully. // * Check maxn. // * Overflows.
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p03205
C++
Runtime Error
#include <bits/stdc++.h> #define to edge[i].v #define mp make_pair #define rint register int #define debug(x) cerr << #x << "=" << x << endl #define fgx cerr << "-------------" << endl #define N 100010 #define T n + n + 1 #define add(x, y, z) addedge(x, y, z), addedge(y, x, 0) using namespace std; typedef long long ll; typedef long double db; typedef pair<int, int> pii; int head[N], tot = 1, cur[N], vis[N], dis[N], n, p[N], fa[N], s; vector<int> v[N]; struct Edge { int v, next, f, w; } edge[N * 10]; queue<int> q; inline void addedge(int x, int y, int z) { edge[++tot] = Edge{y, head[x], 0, z}; head[x] = tot; } inline int bfs() { memset(vis, 0, sizeof(vis)); memcpy(cur, head, sizeof(cur)); q.push(0); vis[0] = 1; while (!q.empty()) { int x = q.front(); q.pop(); for (rint i = head[x]; i; i = edge[i].next) if (!vis[to] && edge[i].f < edge[i].w) dis[to] = dis[x] + 1, vis[to] = 1, q.push(to); } return vis[T]; } int dfs(int x, int res) { if (x == T || !res) return res; int flow = 0, f; for (rint &i = cur[x]; i; i = edge[i].next) if (dis[to] == dis[x] + 1 && (f = dfs(to, min(res, edge[i].w - edge[i].f)))) { edge[i].f += f; edge[i ^ 1].f -= f; res -= f; flow += f; if (!res) break; } return flow; } inline int dinic() { int A = 0; while (bfs()) A += dfs(0, INT_MAX); return A; } void dfs(int x) { vis[x] = 1; s++; for (auto y : v[x]) if (!vis[p[y]]) fa[y] = x, dfs(p[y]); } int main() { int m, x; cin >> n; for (rint i = 1; i <= n; i++) add(n + i, T, 1); for (rint i = 1; i < n; add(0, i, 1), i++) for (scanf("%d", &m); m--;) { scanf("%d", &x), v[x].push_back(i); if (x != 1) add(i, n + x, 1); } if (dinic() != n - 1) return !printf("-1"); for (rint j = 1; j < n; j++) for (rint i = head[j]; i; i = edge[i].next) if (n < to && to <= n + n && edge[i].f) p[j] = to - n; dfs(1); if (s != n) return !printf("-1"); for (rint i = 1; i < n; i++) printf("%d %d\n", fa[i], p[i]); return 0; }
#include <bits/stdc++.h> #define to edge[i].v #define mp make_pair #define rint register int #define debug(x) cerr << #x << "=" << x << endl #define fgx cerr << "-------------" << endl #define N 200010 #define T n + n + 1 #define add(x, y, z) addedge(x, y, z), addedge(y, x, 0) using namespace std; typedef long long ll; typedef long double db; typedef pair<int, int> pii; int head[N], tot = 1, cur[N], vis[N], dis[N], n, p[N], fa[N], s; vector<int> v[N]; struct Edge { int v, next, f, w; } edge[N * 10]; queue<int> q; inline void addedge(int x, int y, int z) { edge[++tot] = Edge{y, head[x], 0, z}; head[x] = tot; } inline int bfs() { memset(vis, 0, sizeof(vis)); memcpy(cur, head, sizeof(cur)); q.push(0); vis[0] = 1; while (!q.empty()) { int x = q.front(); q.pop(); for (rint i = head[x]; i; i = edge[i].next) if (!vis[to] && edge[i].f < edge[i].w) dis[to] = dis[x] + 1, vis[to] = 1, q.push(to); } return vis[T]; } int dfs(int x, int res) { if (x == T || !res) return res; int flow = 0, f; for (rint &i = cur[x]; i; i = edge[i].next) if (dis[to] == dis[x] + 1 && (f = dfs(to, min(res, edge[i].w - edge[i].f)))) { edge[i].f += f; edge[i ^ 1].f -= f; res -= f; flow += f; if (!res) break; } return flow; } inline int dinic() { int A = 0; while (bfs()) A += dfs(0, INT_MAX); return A; } void dfs(int x) { vis[x] = 1; s++; for (auto y : v[x]) if (!vis[p[y]]) fa[y] = x, dfs(p[y]); } int main() { int m, x; cin >> n; for (rint i = 1; i <= n; i++) add(n + i, T, 1); for (rint i = 1; i < n; add(0, i, 1), i++) for (scanf("%d", &m); m--;) { scanf("%d", &x), v[x].push_back(i); if (x != 1) add(i, n + x, 1); } if (dinic() != n - 1) return !printf("-1"); for (rint j = 1; j < n; j++) for (rint i = head[j]; i; i = edge[i].next) if (n < to && to <= n + n && edge[i].f) p[j] = to - n; dfs(1); if (s != n) return !printf("-1"); for (rint i = 1; i < n; i++) printf("%d %d\n", fa[i], p[i]); return 0; }
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p03205
C++
Runtime Error
#include <bits/stdc++.h> #define il inline using namespace std; const int N = 1e5 + 5, M = 2e6; int n, m, e, S, T, h, t, q[N], lev[N], ax[N], ay[N], o[N]; int to[M], nx[M], cap[M], hd[N], it[N], sze = 1; std::vector<int> g[N]; il void add(int u, int v, int c) { to[++sze] = v, nx[sze] = hd[u], cap[sze] = c, hd[u] = sze; } il void ins(int u, int v, int c) { add(u, v, c), add(v, u, 0); } il int bfs() { memset(lev, 0, 4 * T + 4); int i, u, v; q[h = t = lev[S] = 1] = S; while (h <= t) for (i = hd[u = q[h++]]; i; i = nx[i]) if (cap[i] && !lev[v = to[i]]) lev[v] = lev[u] + 1, q[++t] = v; return lev[T]; } il int dfs(int u, int f) { if (u == T) return f; int z, v, res = 0; for (int &i = it[u]; i; i = nx[i]) if (lev[v = to[i]] == lev[u] + 1 && cap[i] && (z = dfs(v, min(f - res, cap[i])))) { cap[i] -= z, cap[i ^ 1] += z, res += z; if (res == f) break; } return res; } il int dinic() { int i, f, res = 0; while (bfs()) { for (i = 1; i <= T; i++) it[i] = hd[i]; while (f = dfs(S, 1e9)) res += f; } return res; } il int work() { int i, u, v, s = 0; for (u = 1; u < n; u++) for (i = hd[u]; i; i = nx[i]) if ((v = to[i]) != S && !cap[i]) o[u] = v - n + 1; for (q[++t] = n; h <= t;) { u = q[h++], s++; for (int v : g[u]) if (o[v]) ax[v] = u, ay[v] = o[v], q[++t] = o[v], o[v] = 0; } return s == n; } int main() { scanf("%d", &n), S = n + n - 1, T = n + n; int i, c, x; for (i = 1; i < n; i++) ins(i + n - 1, T, 1); for (i = 1; i < n; i++) { scanf("%d", &c), ins(S, i, 1); while (c--) { scanf("%d", &x); if (x != n) ins(i, x + n - 1, 1); g[x].push_back(i); } } if (dinic() < n - 1) return puts("-1"), 0; if (!work()) return puts("-1"), 0; for (i = 1; i < n; i++) printf("%d %d\n", ax[i], ay[i]); return 0; }
#include <bits/stdc++.h> #define il inline using namespace std; const int N = 2e5 + 5, M = 2e6; int n, m, e, S, T, h, t, q[N], lev[N], ax[N], ay[N], o[N]; int to[M], nx[M], cap[M], hd[N], it[N], sze = 1; std::vector<int> g[N]; il void add(int u, int v, int c) { to[++sze] = v, nx[sze] = hd[u], cap[sze] = c, hd[u] = sze; } il void ins(int u, int v, int c) { add(u, v, c), add(v, u, 0); } il int bfs() { memset(lev, 0, 4 * T + 4); int i, u, v; q[h = t = lev[S] = 1] = S; while (h <= t) for (i = hd[u = q[h++]]; i; i = nx[i]) if (cap[i] && !lev[v = to[i]]) lev[v] = lev[u] + 1, q[++t] = v; return lev[T]; } il int dfs(int u, int f) { if (u == T) return f; int z, v, res = 0; for (int &i = it[u]; i; i = nx[i]) if (lev[v = to[i]] == lev[u] + 1 && cap[i] && (z = dfs(v, min(f - res, cap[i])))) { cap[i] -= z, cap[i ^ 1] += z, res += z; if (res == f) break; } return res; } il int dinic() { int i, f, res = 0; while (bfs()) { for (i = 1; i <= T; i++) it[i] = hd[i]; while (f = dfs(S, 1e9)) res += f; } return res; } il int work() { int i, u, v, s = 0; for (u = 1; u < n; u++) for (i = hd[u]; i; i = nx[i]) if ((v = to[i]) != S && !cap[i]) o[u] = v - n + 1; for (q[++t] = n; h <= t;) { u = q[h++], s++; for (int v : g[u]) if (o[v]) ax[v] = u, ay[v] = o[v], q[++t] = o[v], o[v] = 0; } return s == n; } int main() { scanf("%d", &n), S = n + n - 1, T = n + n; int i, c, x; for (i = 1; i < n; i++) ins(i + n - 1, T, 1); for (i = 1; i < n; i++) { scanf("%d", &c), ins(S, i, 1); while (c--) { scanf("%d", &x); if (x != n) ins(i, x + n - 1, 1); g[x].push_back(i); } } if (dinic() < n - 1) return puts("-1"), 0; if (!work()) return puts("-1"), 0; for (i = 1; i < n; i++) printf("%d %d\n", ax[i], ay[i]); return 0; }
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p03205
C++
Runtime Error
#include <algorithm> #include <cstdio> #include <cstring> #include <queue> using namespace std; #define FILL(a, n, x) memset((a), (x), sizeof((a)[0]) * (n)) #define FILLA(a, x) memset((a), (x), sizeof(a)) #define COPY(a, n, b) memcpy((b), (a), sizeof((a)[0]) * (n)) #define COPYA(a, b) memcpy((b), (a), sizeof(a)) typedef unsigned long long lu; typedef long long li; typedef pair<int, int> pii; const int mod = 1e9 + 7; inline int Add(int x) { return x >= mod ? x - mod : x; } inline void Add(int &x, int y) { x += y; if (x >= mod) x -= mod; } inline int Sub(int x) { return x < 0 ? x + mod : x; } inline void Sub(int &x, int y) { x = Sub(x - y); } inline int Mul(int x, int y) { return (int)((lu)x * y % mod); } inline int Mul(int x, int y, int z) { return (int)((lu)x * y % mod * z % mod); } int Pow(int x, int y) { int z = 1; for (; y; y >>= 1) { if (y & 1) z = Mul(z, x); x = Mul(x, x); } return z; } int Inv(int x) { return Pow(x, mod - 2); } template <class T> inline void Max(T &x, T y) { if (y > x) x = y; } template <class T> inline void Min(T &x, T y) { if (y < x) x = y; } // ---------------------------------------- namespace dinic { const int maxn = 1e5, maxm = 1e6; typedef int FlowType; const FlowType inf_f = ~0U >> 1; void Init(int n); void AddEdge(int u, int v, FlowType cap, li id); FlowType Solve(int s, int t); vector<pair<li, FlowType>> Result(void); } // namespace dinic namespace dinic { struct Edge { int v; li id; FlowType cap, cap0; } edge[maxm << 1]; int n, m, s, t; vector<int> g[maxn]; void Init(int _n) { n = _n, m = 0; for (int i = 0; i < n; ++i) g[i].clear(); } void AddEdge(int u, int v, FlowType c, li id = -1) { g[u].push_back(m); edge[m++] = (Edge){v, id, c, c}; g[v].push_back(m); edge[m++] = (Edge){u, id, 0, 0}; } int iter[maxn], dist[maxn]; bool Bfs(void) { queue<int> que; que.push(s); FILL(dist, n, -1); dist[s] = 0; while (!que.empty()) { int u = que.front(); que.pop(); for (int i = 0; i < g[u].size(); ++i) { Edge &e = edge[g[u][i]]; if (e.cap && dist[e.v] == -1) { dist[e.v] = dist[u] + 1; que.push(e.v); } } } return dist[t] >= 0; } FlowType Dfs(int u, FlowType f) { if (u == t) return f; FlowType sum = 0; for (int &i = iter[u]; i < g[u].size(); ++i) { Edge &e = edge[g[u][i]], &rev = edge[g[u][i] ^ 1]; if (e.cap && dist[e.v] == dist[u] + 1) { FlowType res = Dfs(e.v, min(f - sum, e.cap)); e.cap -= res; rev.cap += res; if ((sum += res) == f) break; } } return sum; } FlowType Solve(int _s, int _t) { s = _s, t = _t; FlowType ans = 0; while (Bfs()) { FILL(iter, n, 0); ans += Dfs(s, inf_f); } return ans; } vector<pair<li, FlowType>> Result(void) { vector<pair<li, FlowType>> ans; for (int u = 0; u < n; ++u) { for (int i = 0; i < g[u].size(); ++i) { Edge &e = edge[g[u][i]]; if (e.cap < e.cap0 && e.id != -1) { ans.push_back(make_pair(e.id, e.cap0 - e.cap)); } } } return ans; } } // namespace dinic // ---------------------------------------- const int maxn = 1e5; int n; vector<int> E[maxn]; vector<int> F[maxn]; int match[maxn], par[maxn]; int A[maxn], B[maxn]; void NoSolution(void) { puts("-1"); exit(0); } int main(void) { scanf("%d", &n); for (int i = 0; i < n - 1; ++i) { int c; scanf("%d", &c); while (c--) { int x; scanf("%d", &x); --x; E[i].push_back(x); F[x].push_back(i); } } // root = 0 int L = 0, R = n, S = R + n - 1, T = S + 1, N = T + 1; dinic::Init(N); for (int i = 1; i < n; ++i) { dinic::AddEdge(S, L + i, 1, -1); } for (int i = 0; i < n - 1; ++i) { dinic::AddEdge(R + i, T, 1, -1); } for (int i = 1; i < n; ++i) { for (int j : F[i]) { dinic::AddEdge(L + i, R + j, 1, (li)i * n + j); } } int flow = dinic::Solve(S, T); if (flow < n - 1) NoSolution(); vector<pair<li, int>> way = dinic::Result(); for (pair<li, int> p : way) { int x = (int)(p.first / n), y = (int)(p.first % n); match[y] = x; } queue<int> que; que.push(0); FILL(par, n, -1); while (!que.empty()) { int u = que.front(); que.pop(); for (int j : F[u]) { int i = match[j]; if (par[i] == -1) { par[i] = u; A[j] = i; B[j] = u; que.push(i); } } } for (int i = 1; i < n; ++i) { if (par[i] == -1) NoSolution(); } for (int i = 0; i < n - 1; ++i) { printf("%d %d\n", A[i] + 1, B[i] + 1); } return 0; }
#include <algorithm> #include <cstdio> #include <cstring> #include <queue> using namespace std; #define FILL(a, n, x) memset((a), (x), sizeof((a)[0]) * (n)) #define FILLA(a, x) memset((a), (x), sizeof(a)) #define COPY(a, n, b) memcpy((b), (a), sizeof((a)[0]) * (n)) #define COPYA(a, b) memcpy((b), (a), sizeof(a)) typedef unsigned long long lu; typedef long long li; typedef pair<int, int> pii; const int mod = 1e9 + 7; inline int Add(int x) { return x >= mod ? x - mod : x; } inline void Add(int &x, int y) { x += y; if (x >= mod) x -= mod; } inline int Sub(int x) { return x < 0 ? x + mod : x; } inline void Sub(int &x, int y) { x = Sub(x - y); } inline int Mul(int x, int y) { return (int)((lu)x * y % mod); } inline int Mul(int x, int y, int z) { return (int)((lu)x * y % mod * z % mod); } int Pow(int x, int y) { int z = 1; for (; y; y >>= 1) { if (y & 1) z = Mul(z, x); x = Mul(x, x); } return z; } int Inv(int x) { return Pow(x, mod - 2); } template <class T> inline void Max(T &x, T y) { if (y > x) x = y; } template <class T> inline void Min(T &x, T y) { if (y < x) x = y; } // ---------------------------------------- namespace dinic { const int maxn = 1e6, maxm = 1e6; typedef int FlowType; const FlowType inf_f = ~0U >> 1; void Init(int n); void AddEdge(int u, int v, FlowType cap, li id); FlowType Solve(int s, int t); vector<pair<li, FlowType>> Result(void); } // namespace dinic namespace dinic { struct Edge { int v; li id; FlowType cap, cap0; } edge[maxm << 1]; int n, m, s, t; vector<int> g[maxn]; void Init(int _n) { n = _n, m = 0; for (int i = 0; i < n; ++i) g[i].clear(); } void AddEdge(int u, int v, FlowType c, li id = -1) { g[u].push_back(m); edge[m++] = (Edge){v, id, c, c}; g[v].push_back(m); edge[m++] = (Edge){u, id, 0, 0}; } int iter[maxn], dist[maxn]; bool Bfs(void) { queue<int> que; que.push(s); FILL(dist, n, -1); dist[s] = 0; while (!que.empty()) { int u = que.front(); que.pop(); for (int i = 0; i < g[u].size(); ++i) { Edge &e = edge[g[u][i]]; if (e.cap && dist[e.v] == -1) { dist[e.v] = dist[u] + 1; que.push(e.v); } } } return dist[t] >= 0; } FlowType Dfs(int u, FlowType f) { if (u == t) return f; FlowType sum = 0; for (int &i = iter[u]; i < g[u].size(); ++i) { Edge &e = edge[g[u][i]], &rev = edge[g[u][i] ^ 1]; if (e.cap && dist[e.v] == dist[u] + 1) { FlowType res = Dfs(e.v, min(f - sum, e.cap)); e.cap -= res; rev.cap += res; if ((sum += res) == f) break; } } return sum; } FlowType Solve(int _s, int _t) { s = _s, t = _t; FlowType ans = 0; while (Bfs()) { FILL(iter, n, 0); ans += Dfs(s, inf_f); } return ans; } vector<pair<li, FlowType>> Result(void) { vector<pair<li, FlowType>> ans; for (int u = 0; u < n; ++u) { for (int i = 0; i < g[u].size(); ++i) { Edge &e = edge[g[u][i]]; if (e.cap < e.cap0 && e.id != -1) { ans.push_back(make_pair(e.id, e.cap0 - e.cap)); } } } return ans; } } // namespace dinic // ---------------------------------------- const int maxn = 1e5; int n; vector<int> E[maxn]; vector<int> F[maxn]; int match[maxn], par[maxn]; int A[maxn], B[maxn]; void NoSolution(void) { puts("-1"); exit(0); } int main(void) { scanf("%d", &n); for (int i = 0; i < n - 1; ++i) { int c; scanf("%d", &c); while (c--) { int x; scanf("%d", &x); --x; E[i].push_back(x); F[x].push_back(i); } } // root = 0 int L = 0, R = n, S = R + n - 1, T = S + 1, N = T + 1; dinic::Init(N); for (int i = 1; i < n; ++i) { dinic::AddEdge(S, L + i, 1, -1); } for (int i = 0; i < n - 1; ++i) { dinic::AddEdge(R + i, T, 1, -1); } for (int i = 1; i < n; ++i) { for (int j : F[i]) { dinic::AddEdge(L + i, R + j, 1, (li)i * n + j); } } int flow = dinic::Solve(S, T); if (flow < n - 1) NoSolution(); vector<pair<li, int>> way = dinic::Result(); for (pair<li, int> p : way) { int x = (int)(p.first / n), y = (int)(p.first % n); match[y] = x; } queue<int> que; que.push(0); FILL(par, n, -1); while (!que.empty()) { int u = que.front(); que.pop(); for (int j : F[u]) { int i = match[j]; if (par[i] == -1) { par[i] = u; A[j] = i; B[j] = u; que.push(i); } } } for (int i = 1; i < n; ++i) { if (par[i] == -1) NoSolution(); } for (int i = 0; i < n - 1; ++i) { printf("%d %d\n", A[i] + 1, B[i] + 1); } return 0; }
replace
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0
p03205
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; const int inf = 1e9; int n, S, T, d[100010], ans, a[100010], b[100010]; vector<int> v[100010]; int cnt = 1, head[200010], to[800010], nxt[800010], w[800010]; bool used[100010]; void add(int x, int y, int z) { cnt++; to[cnt] = y; nxt[cnt] = head[x]; head[x] = cnt; w[cnt] = z; } void ins(int x, int y, int z) { add(x, y, z); add(y, x, 0); } bool bfs() { for (int i = S; i <= T; i++) { d[i] = -1; } queue<int> q; d[S] = 0; q.push(S); while (!q.empty()) { int x = q.front(); q.pop(); if (x == T) { return true; } for (int i = head[x]; i; i = nxt[i]) { int y = to[i]; if (w[i] && d[y] == -1) { d[y] = d[x] + 1; q.push(y); } } } return false; } int dfs(int x, int f) { int res = 0; if (x == T) { return f; } for (int i = head[x]; i; i = nxt[i]) { int y = to[i]; if (w[i] && d[y] == d[x] + 1) { int tmp = dfs(y, min(f - res, w[i])); w[i] -= tmp; w[i ^ 1] += tmp; res += tmp; if (res == f) { return res; } } } if (!res) { d[x] = -1; } return res; } void dinic() { while (bfs()) { ans += dfs(S, inf); } } int main() { scanf("%d", &n); S = 1; T = 2 * n; for (int i = 1; i < n; i++) { int k; scanf("%d", &k); for (int j = 0; j < k; j++) { int x; scanf("%d", &x); v[x].push_back(i); if (x != 1) { ins(x, n + i, 1); } } } for (int i = 2; i <= n; i++) { ins(S, i, 1); } for (int i = 1; i < n; i++) { ins(n + i, T, 1); } dinic(); if (ans != n - 1) { puts("-1"); return 0; } for (int i = n + 1; i < 2 * n; i++) { for (int j = head[i]; j; j = nxt[j]) { if (!w[j]) { continue; } a[i - n] = to[j]; } } queue<int> q; used[1] = true; q.push(1); while (!q.empty()) { int x = q.front(); q.pop(); for (int i = 0; i < v[x].size(); i++) { int y = v[x][i]; if (!used[a[y]]) { used[a[y]] = true; q.push(a[y]); b[y] = x; } } } bool f = true; for (int i = 1; i < n; i++) { f &= used[i]; } if (!f) { puts("-1"); return 0; } for (int i = 1; i < n; i++) { printf("%d %d\n", a[i], b[i]); } return 0; } // 霓为衣兮风为马,云之君兮纷纷而来下。 // ——李白《梦游天姥吟留别》
#include <bits/stdc++.h> using namespace std; const int inf = 1e9; int n, S, T, d[200010], ans, a[100010], b[100010]; vector<int> v[100010]; int cnt = 1, head[200010], to[800010], nxt[800010], w[800010]; bool used[100010]; void add(int x, int y, int z) { cnt++; to[cnt] = y; nxt[cnt] = head[x]; head[x] = cnt; w[cnt] = z; } void ins(int x, int y, int z) { add(x, y, z); add(y, x, 0); } bool bfs() { for (int i = S; i <= T; i++) { d[i] = -1; } queue<int> q; d[S] = 0; q.push(S); while (!q.empty()) { int x = q.front(); q.pop(); if (x == T) { return true; } for (int i = head[x]; i; i = nxt[i]) { int y = to[i]; if (w[i] && d[y] == -1) { d[y] = d[x] + 1; q.push(y); } } } return false; } int dfs(int x, int f) { int res = 0; if (x == T) { return f; } for (int i = head[x]; i; i = nxt[i]) { int y = to[i]; if (w[i] && d[y] == d[x] + 1) { int tmp = dfs(y, min(f - res, w[i])); w[i] -= tmp; w[i ^ 1] += tmp; res += tmp; if (res == f) { return res; } } } if (!res) { d[x] = -1; } return res; } void dinic() { while (bfs()) { ans += dfs(S, inf); } } int main() { scanf("%d", &n); S = 1; T = 2 * n; for (int i = 1; i < n; i++) { int k; scanf("%d", &k); for (int j = 0; j < k; j++) { int x; scanf("%d", &x); v[x].push_back(i); if (x != 1) { ins(x, n + i, 1); } } } for (int i = 2; i <= n; i++) { ins(S, i, 1); } for (int i = 1; i < n; i++) { ins(n + i, T, 1); } dinic(); if (ans != n - 1) { puts("-1"); return 0; } for (int i = n + 1; i < 2 * n; i++) { for (int j = head[i]; j; j = nxt[j]) { if (!w[j]) { continue; } a[i - n] = to[j]; } } queue<int> q; used[1] = true; q.push(1); while (!q.empty()) { int x = q.front(); q.pop(); for (int i = 0; i < v[x].size(); i++) { int y = v[x][i]; if (!used[a[y]]) { used[a[y]] = true; q.push(a[y]); b[y] = x; } } } bool f = true; for (int i = 1; i < n; i++) { f &= used[i]; } if (!f) { puts("-1"); return 0; } for (int i = 1; i < n; i++) { printf("%d %d\n", a[i], b[i]); } return 0; } // 霓为衣兮风为马,云之君兮纷纷而来下。 // ——李白《梦游天姥吟留别》
replace
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p03205
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; const int N = 200005, S = 0, T = 200000; struct node { int to, next, val; } e[N << 4]; int head[N], cnt, dep[N], q[N], c[N], n; void add(int x, int y, int z) { e[cnt] = (node){y, head[x], z}; head[x] = cnt++; } void insert(int x, int y, int z) { add(x, y, z), add(y, x, 0); } int bfs() { int l = 0, r = 0; q[r++] = S; memset(dep, -1, sizeof(dep)); dep[S] = 1; while (l < r) { int x = q[l++]; for (int i = head[x]; i != -1; i = e[i].next) { int to1 = e[i].to; if (dep[to1] == -1 && e[i].val) dep[to1] = dep[x] + 1, q[r++] = to1; } } return dep[T] != -1; } int dfs(int x, int maxf) { if (x == T) return maxf; int tflow = maxf, nowf; for (int i = head[x]; i != -1; i = e[i].next) { int to1 = e[i].to; if (dep[to1] == dep[x] + 1 && e[i].val) { nowf = dfs(to1, min(tflow, e[i].val)); if (nowf && x >= 1 && x <= n - 1 && to1) c[x] = to1 - n + 2; e[i].val -= nowf, tflow -= nowf, e[i ^ 1].val += nowf; if (!tflow) break; } } return maxf - tflow; } vector<int> v[N]; int Dinic() { int sum = 0; while (bfs()) sum += dfs(S, 1 << 30); return sum; } int vis[N]; pair<int, int> ans[N]; int main() { scanf("%d", &n); memset(head, -1, sizeof(head)); for (int i = 1; i < n; i++) { int siz; scanf("%d", &siz); insert(S, i, 1); insert(n + i - 1, T, 1); for (int j = 1, x; j <= siz; j++) { scanf("%d", &x), v[x].push_back(i); if (x != 1) insert(i, n + x - 2, 1); } } // puts("B"); if (Dinic() == n - 1) { // puts("a"); int l = 0, r = 0; for (int i = 0; i < v[1].size(); i++) q[r++] = v[1][i], vis[v[1][i]] = 1; while (l < r) { int x = q[l++]; ans[x] = make_pair(vis[x], c[x]); x = c[x]; for (int i = 0; i < v[x].size(); i++) if (!vis[v[x][i]]) q[r++] = v[x][i], vis[v[x][i]] = x; } if (r == n - 1) for (int i = 1; i < n; i++) printf("%d %d\n", ans[i].first, ans[i].second); else puts("-1"); } else puts("-1"); }
#include <bits/stdc++.h> using namespace std; const int N = 200005, S = 0, T = 200000; struct node { int to, next, val; } e[N << 4]; int head[N], cnt, dep[N], q[N], c[N], n; void add(int x, int y, int z) { e[cnt] = (node){y, head[x], z}; head[x] = cnt++; } void insert(int x, int y, int z) { add(x, y, z), add(y, x, 0); } int bfs() { int l = 0, r = 0; q[r++] = S; memset(dep, -1, sizeof(dep)); dep[S] = 1; while (l < r) { int x = q[l++]; for (int i = head[x]; i != -1; i = e[i].next) { int to1 = e[i].to; if (dep[to1] == -1 && e[i].val) dep[to1] = dep[x] + 1, q[r++] = to1; } } return dep[T] != -1; } int dfs(int x, int maxf) { if (x == T) return maxf; int tflow = maxf, nowf; for (int i = head[x]; i != -1; i = e[i].next) { int to1 = e[i].to; if (dep[to1] == dep[x] + 1 && e[i].val) { nowf = dfs(to1, min(tflow, e[i].val)); if (nowf && x >= 1 && x <= n - 1 && to1) c[x] = to1 - n + 2; e[i].val -= nowf, tflow -= nowf, e[i ^ 1].val += nowf; if (!tflow) break; } } if (tflow) dep[x] = -1; return maxf - tflow; } vector<int> v[N]; int Dinic() { int sum = 0; while (bfs()) sum += dfs(S, 1 << 30); return sum; } int vis[N]; pair<int, int> ans[N]; int main() { scanf("%d", &n); memset(head, -1, sizeof(head)); for (int i = 1; i < n; i++) { int siz; scanf("%d", &siz); insert(S, i, 1); insert(n + i - 1, T, 1); for (int j = 1, x; j <= siz; j++) { scanf("%d", &x), v[x].push_back(i); if (x != 1) insert(i, n + x - 2, 1); } } // puts("B"); if (Dinic() == n - 1) { // puts("a"); int l = 0, r = 0; for (int i = 0; i < v[1].size(); i++) q[r++] = v[1][i], vis[v[1][i]] = 1; while (l < r) { int x = q[l++]; ans[x] = make_pair(vis[x], c[x]); x = c[x]; for (int i = 0; i < v[x].size(); i++) if (!vis[v[x][i]]) q[r++] = v[x][i], vis[v[x][i]] = x; } if (r == n - 1) for (int i = 1; i < n; i++) printf("%d %d\n", ans[i].first, ans[i].second); else puts("-1"); } else puts("-1"); }
insert
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TLE
p03205
C++
Runtime Error
#include <algorithm> #include <cstdio> #include <cstring> #include <functional> #include <iterator> #include <vector> using namespace std; struct R { int v, z, c; } e[1111111]; int K[222222], cur[222222], ce = 1; void ins(int a, int b, int c) { e[++ce] = (R){b, K[a], c}; K[a] = ce; } void AE(int a, int b) { ins(a, b, 1); ins(b, a, 0); } int s, t, d[222222]; bool BFS() { static int q[222222], du, my; memset(d, 0, sizeof(d)); memcpy(cur, K, sizeof(cur)); for (d[q[du = my = 1] = s] = 1; du <= my;) { int u = q[du++]; for (int i = K[u]; i; i = e[i].z) if (e[i].c && !d[e[i].v]) { d[e[i].v] = d[u] + 1; q[++my] = e[i].v; } } return d[t]; } int DFS(int u, int r) { if (u == t) return r; int tmp = r; for (int &i = cur[u]; i; i = e[i].z) if (e[i].c && d[e[i].v] == d[u] + 1) { int qwq = DFS(e[i].v, min(r, e[i].c)); if (qwq) { r -= qwq; e[i].c -= qwq; e[i ^ 1].c += qwq; if (!r) return tmp; } } return tmp - r; } int Dinic() { int r = 0; for (; BFS();) r += DFS(s, 2333333); return r; } bool viz[222222]; int n, p[111111], u[111111], v[111111]; void dfs(int u, int pa, int gp) { viz[u] = 1; if (u <= n) { ::u[pa - n] = gp; ::v[pa - n] = u; } for (int i = K[u]; i; i = e[i].z) if (!viz[e[i].v] && e[i].c) dfs(e[i].v, u, pa); } int main() { scanf("%d", &n); s = 2 * n; t = 2 * n + 1; for (int i = 2; i <= n; ++i) AE(s, i); for (int i = 1; i < n; ++i) { int c; for (scanf("%d", &c); c--;) { int v; scanf("%d", &v); AE(v, i + n); } AE(i + n, t); } viz[s] = viz[t] = 1; if (Dinic() != n - 1) return puts("-1"), 0; dfs(1, 0, 0); for (int i = 1; i < n; ++i) if (!u[i]) return puts("-1"), 0; for (int i = 1; i < n; ++i) printf("%d %d\n", u[i], v[i]); return 0; }
#include <algorithm> #include <cstdio> #include <cstring> #include <functional> #include <iterator> #include <vector> using namespace std; struct R { int v, z, c; } e[1111111]; int K[222222], cur[222222], ce = 1; void ins(int a, int b, int c) { e[++ce] = (R){b, K[a], c}; K[a] = ce; } void AE(int a, int b) { ins(a, b, 1); ins(b, a, 0); } int s, t, d[222222]; bool BFS() { static int q[222222], du, my; memset(d, 0, sizeof(d)); memcpy(cur, K, sizeof(cur)); for (d[q[du = my = 1] = s] = 1; du <= my;) { int u = q[du++]; for (int i = K[u]; i; i = e[i].z) if (e[i].c && !d[e[i].v]) { d[e[i].v] = d[u] + 1; q[++my] = e[i].v; } } return d[t]; } int DFS(int u, int r) { if (u == t) return r; int tmp = r; for (int &i = cur[u]; i; i = e[i].z) if (e[i].c && d[e[i].v] == d[u] + 1) { int qwq = DFS(e[i].v, min(r, e[i].c)); if (qwq) { r -= qwq; e[i].c -= qwq; e[i ^ 1].c += qwq; if (!r) return tmp; } } return tmp - r; } int Dinic() { int r = 0; for (; BFS();) r += DFS(s, 2333333); return r; } bool viz[222222]; int n, p[111111], u[111111], v[111111]; void dfs(int u, int pa, int gp) { viz[u] = 1; if (u <= n && pa) { ::u[pa - n] = gp; ::v[pa - n] = u; } for (int i = K[u]; i; i = e[i].z) if (!viz[e[i].v] && e[i].c) dfs(e[i].v, u, pa); } int main() { scanf("%d", &n); s = 2 * n; t = 2 * n + 1; for (int i = 2; i <= n; ++i) AE(s, i); for (int i = 1; i < n; ++i) { int c; for (scanf("%d", &c); c--;) { int v; scanf("%d", &v); AE(v, i + n); } AE(i + n, t); } viz[s] = viz[t] = 1; if (Dinic() != n - 1) return puts("-1"), 0; dfs(1, 0, 0); for (int i = 1; i < n; ++i) if (!u[i]) return puts("-1"), 0; for (int i = 1; i < n; ++i) printf("%d %d\n", u[i], v[i]); return 0; }
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p03205
C++
Time Limit Exceeded
#include <stdio.h> #include <vector> #define MN 200010 #define MM 800010 #define inf 999999999 using namespace std; int fr[MN], dy[MN], ne[MM], v[MM], w[MM], bs = 0; void add(int a, int b, int c) { v[bs] = b; w[bs] = c; ne[bs] = fr[a]; fr[a] = bs++; } void addb(int a, int b, int c) { add(a, b, c); add(b, a, 0); } int dl[100010], jl[100010], N, S, T; bool bk[100010]; bool bfs() { for (int i = 1; i <= N; i++) { bk[i] = false; jl[i] = inf; } bk[S] = true; jl[S] = 0; int he = 0, ta = 1; dl[0] = S; while (he < ta) { int u = dl[he++]; for (int i = fr[u]; i != -1; i = ne[i]) { if (w[i] > 0 && !bk[v[i]]) { bk[v[i]] = true; jl[v[i]] = jl[u] + 1; dl[ta++] = v[i]; } } } return jl[T] < inf; } int dfs(int u, int z) { if (u == T) return z; for (int &i = dy[u]; i != -1; i = ne[i]) { if (w[i] > 0 && jl[v[i]] == jl[u] + 1) { int t = dfs(v[i], z < w[i] ? z : w[i]); if (t != -1) { w[i] -= t; w[i ^ 1] += t; return t; } } } return -1; } int dinic() { int jg = 0; while (bfs()) { for (int i = 1; i <= N; i++) dy[i] = fr[i]; while (1) { int t = dfs(S, inf); if (t == -1) break; jg += t; } } return jg; } vector<int> ve[100010], to[100010]; int pp[100010], fa[100010]; void dfs2(int u, int f) { if (bk[u]) return; fa[u] = f; bk[u] = true; for (int i = 0; i < to[u].size(); i++) dfs2(to[u][i], u); } int main() { int n; scanf("%d", &n); for (int i = 1; i <= n - 1; i++) { int s, a; scanf("%d", &s); for (int j = 0; j < s; j++) { scanf("%d", &a); ve[i].push_back(a); } } N = n * 2 + 1; S = N - 1; T = N; for (int i = 1; i <= N; i++) fr[i] = -1; for (int i = 1; i <= n - 1; i++) { addb(S, i, 1); for (int j = 0; j < ve[i].size(); j++) addb(i, ve[i][j] + n - 1, 1); } for (int i = 1; i <= n; i++) addb(i + n - 1, T, 1); if (dinic() != n - 1) { printf("-1"); return 0; } for (int i = 1; i <= n; i++) bk[i] = false; for (int i = 1; i <= n - 1; i++) { for (int j = fr[i]; j != -1; j = ne[j]) { int t = v[j]; if (t > n - 1 && w[j] == 0) { pp[i] = t - (n - 1); break; } } for (int j = 0; j < ve[i].size(); j++) { if (ve[i][j] != pp[i]) to[ve[i][j]].push_back(pp[i]); } bk[pp[i]] = true; } int ro = -1; for (int i = 1; i <= n; i++) { if (!bk[i]) { ro = i; break; } } for (int i = 1; i <= n; i++) bk[i] = false; dfs2(ro, 0); for (int i = 1; i <= n; i++) { if (i != ro && fa[i] == 0) { printf("-1"); return 0; } } for (int i = 1; i <= n - 1; i++) printf("%d %d\n", pp[i], fa[pp[i]]); return 0; }
#include <stdio.h> #include <vector> #define MN 200010 #define MM 800010 #define inf 999999999 using namespace std; int fr[MN], dy[MN], ne[MM], v[MM], w[MM], bs = 0; void add(int a, int b, int c) { v[bs] = b; w[bs] = c; ne[bs] = fr[a]; fr[a] = bs++; } void addb(int a, int b, int c) { add(a, b, c); add(b, a, 0); } int dl[MN], jl[MN], N, S, T; bool bk[MN]; bool bfs() { for (int i = 1; i <= N; i++) { bk[i] = false; jl[i] = inf; } bk[S] = true; jl[S] = 0; int he = 0, ta = 1; dl[0] = S; while (he < ta) { int u = dl[he++]; for (int i = fr[u]; i != -1; i = ne[i]) { if (w[i] > 0 && !bk[v[i]]) { bk[v[i]] = true; jl[v[i]] = jl[u] + 1; dl[ta++] = v[i]; } } } return jl[T] < inf; } int dfs(int u, int z) { if (u == T) return z; for (int &i = dy[u]; i != -1; i = ne[i]) { if (w[i] > 0 && jl[v[i]] == jl[u] + 1) { int t = dfs(v[i], z < w[i] ? z : w[i]); if (t != -1) { w[i] -= t; w[i ^ 1] += t; return t; } } } return -1; } int dinic() { int jg = 0; while (bfs()) { for (int i = 1; i <= N; i++) dy[i] = fr[i]; while (1) { int t = dfs(S, inf); if (t == -1) break; jg += t; } } return jg; } vector<int> ve[100010], to[100010]; int pp[100010], fa[100010]; void dfs2(int u, int f) { if (bk[u]) return; fa[u] = f; bk[u] = true; for (int i = 0; i < to[u].size(); i++) dfs2(to[u][i], u); } int main() { int n; scanf("%d", &n); for (int i = 1; i <= n - 1; i++) { int s, a; scanf("%d", &s); for (int j = 0; j < s; j++) { scanf("%d", &a); ve[i].push_back(a); } } N = n * 2 + 1; S = N - 1; T = N; for (int i = 1; i <= N; i++) fr[i] = -1; for (int i = 1; i <= n - 1; i++) { addb(S, i, 1); for (int j = 0; j < ve[i].size(); j++) addb(i, ve[i][j] + n - 1, 1); } for (int i = 1; i <= n; i++) addb(i + n - 1, T, 1); if (dinic() != n - 1) { printf("-1"); return 0; } for (int i = 1; i <= n; i++) bk[i] = false; for (int i = 1; i <= n - 1; i++) { for (int j = fr[i]; j != -1; j = ne[j]) { int t = v[j]; if (t > n - 1 && w[j] == 0) { pp[i] = t - (n - 1); break; } } for (int j = 0; j < ve[i].size(); j++) { if (ve[i][j] != pp[i]) to[ve[i][j]].push_back(pp[i]); } bk[pp[i]] = true; } int ro = -1; for (int i = 1; i <= n; i++) { if (!bk[i]) { ro = i; break; } } for (int i = 1; i <= n; i++) bk[i] = false; dfs2(ro, 0); for (int i = 1; i <= n; i++) { if (i != ro && fa[i] == 0) { printf("-1"); return 0; } } for (int i = 1; i <= n - 1; i++) printf("%d %d\n", pp[i], fa[pp[i]]); return 0; }
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TLE
p03205
C++
Runtime Error
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep1(i, n) for (int i = 1; i <= (int)(n); i++) #define MP make_pair using namespace std; typedef long long LL; typedef pair<int, int> PII; const int INF = 0x3f3f3f3f; int n, m; vector<int> hv[200005]; struct edge { int to, cap, rev; } E[400005]; vector<int> G[200005]; void add_edge(int u, int v, int c) { E[m].to = v; E[m].cap = c; E[m].rev = m ^ 1; G[u].push_back(m++); E[m].to = u; E[m].cap = 0; E[m].rev = m ^ 1; G[v].push_back(m++); } int dis[200005], cur[200005]; bool bfs() { rep1(i, 2 * n) dis[i] = -1; queue<int> que; que.push(0); dis[0] = 0; while (!que.empty()) { int v = que.front(); que.pop(); rep(i, G[v].size()) { int ce = G[v][i]; if (E[ce].cap > 0 && dis[E[ce].to] == -1) { que.push(E[ce].to); dis[E[ce].to] = dis[v] + 1; } } } if (dis[2 * n] == -1) return false; rep(i, 2 * n + 1) cur[i] = 0; return true; } int dfs(int v, int maxf) { if (v == 2 * n) return maxf; if (maxf == 0) return 0; int ret = 0; for (; cur[v] < G[v].size(); cur[v]++) { int ce = G[v][cur[v]]; if (dis[E[ce].to] == dis[v] + 1 && E[ce].cap > 0) { int cf = dfs(E[ce].to, min(maxf - ret, E[ce].cap)); E[ce].cap -= cf; E[E[ce].rev].cap += cf; ret += cf; if (ret == maxf) break; } } return ret; } int lp[200005], par[200005]; int dinic() { int ret = 0; while (bfs()) ret += dfs(0, INF); return ret; } int main() { scanf("%d", &n); rep1(i, n - 1) { int cs; scanf("%d", &cs); hv[i].resize(cs); rep(j, cs) { scanf("%d", &hv[i][j]); add_edge(hv[i][j], i + n, 1); } add_edge(i + n, n * 2, 1); } rep1(i, n) add_edge(0, i, 1); if (dinic() != n - 1) { printf("-1\n"); return 0; } rep1(i, n) if (dis[i] == -1) { printf("-1\n"); return 0; } rep1(i, 2 * n - 1) rep(j, G[i].size()) { int ce = G[i][j]; if (E[ce].cap == 0 && dis[E[ce].to] == dis[i] - 1) { par[i] = E[ce].to; break; } } rep1(i, n) if (par[i] != 0) lp[par[i] - n] = i; rep1(i, n - 1) printf("%d %d\n", par[i + n], lp[i]); return 0; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep1(i, n) for (int i = 1; i <= (int)(n); i++) #define MP make_pair using namespace std; typedef long long LL; typedef pair<int, int> PII; const int INF = 0x3f3f3f3f; int n, m; vector<int> hv[200005]; struct edge { int to, cap, rev; } E[800005]; vector<int> G[200005]; void add_edge(int u, int v, int c) { E[m].to = v; E[m].cap = c; E[m].rev = m ^ 1; G[u].push_back(m++); E[m].to = u; E[m].cap = 0; E[m].rev = m ^ 1; G[v].push_back(m++); } int dis[200005], cur[200005]; bool bfs() { rep1(i, 2 * n) dis[i] = -1; queue<int> que; que.push(0); dis[0] = 0; while (!que.empty()) { int v = que.front(); que.pop(); rep(i, G[v].size()) { int ce = G[v][i]; if (E[ce].cap > 0 && dis[E[ce].to] == -1) { que.push(E[ce].to); dis[E[ce].to] = dis[v] + 1; } } } if (dis[2 * n] == -1) return false; rep(i, 2 * n + 1) cur[i] = 0; return true; } int dfs(int v, int maxf) { if (v == 2 * n) return maxf; if (maxf == 0) return 0; int ret = 0; for (; cur[v] < G[v].size(); cur[v]++) { int ce = G[v][cur[v]]; if (dis[E[ce].to] == dis[v] + 1 && E[ce].cap > 0) { int cf = dfs(E[ce].to, min(maxf - ret, E[ce].cap)); E[ce].cap -= cf; E[E[ce].rev].cap += cf; ret += cf; if (ret == maxf) break; } } return ret; } int lp[200005], par[200005]; int dinic() { int ret = 0; while (bfs()) ret += dfs(0, INF); return ret; } int main() { scanf("%d", &n); rep1(i, n - 1) { int cs; scanf("%d", &cs); hv[i].resize(cs); rep(j, cs) { scanf("%d", &hv[i][j]); add_edge(hv[i][j], i + n, 1); } add_edge(i + n, n * 2, 1); } rep1(i, n) add_edge(0, i, 1); if (dinic() != n - 1) { printf("-1\n"); return 0; } rep1(i, n) if (dis[i] == -1) { printf("-1\n"); return 0; } rep1(i, 2 * n - 1) rep(j, G[i].size()) { int ce = G[i][j]; if (E[ce].cap == 0 && dis[E[ce].to] == dis[i] - 1) { par[i] = E[ce].to; break; } } rep1(i, n) if (par[i] != 0) lp[par[i] - n] = i; rep1(i, n - 1) printf("%d %d\n", par[i + n], lp[i]); return 0; }
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p03205
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; const int maxn = 4e5, inf = 1e9; int n, tot, ter[maxn + 3], wei[maxn + 3], nxt[maxn + 3], lnk[maxn + 3]; int cur[maxn + 3], dep[maxn + 3], num[maxn + 3], ans[maxn + 3]; bool vis[maxn + 3]; vector<int> S[maxn + 3], V[maxn + 3], G[maxn + 3]; int adj(int x) { return x & 1 ? x + 1 : x - 1; } int add(int u, int v, int w) { ter[++tot] = v, wei[tot] = w; nxt[tot] = lnk[u], lnk[u] = tot; return tot; } int add_f(int u, int v) { int t = add(u, v, 1); return add(v, u, 0), t; } bool bfs() { queue<int> Q; Q.push(1); memset(dep, -1, sizeof(dep)); dep[1] = 0; while (!Q.empty()) { int u = Q.front(); Q.pop(); for (int i = lnk[u], v, w; i; i = nxt[i]) { v = ter[i], w = wei[i]; if ((~dep[v]) || !w) continue; dep[v] = dep[u] + 1; Q.push(v); } } return ~dep[n * 2]; } int dfs(int u, int t, int lft) { if (u == t) { return lft; } int ret = 0; for (int &i = cur[u], v, w; i && ret < lft; i = nxt[i]) { v = ter[i], w = wei[i]; if (w && dep[u] + 1 == dep[v]) { int x = dfs(v, t, min(lft - ret, w)); wei[i] -= x, wei[adj(i)] += x, ret += x; } } if (ret < lft) { dep[u] = -1; } return ret; } int flow() { int ret = 0; while (bfs()) { memcpy(cur, lnk, sizeof(cur)); ret += dfs(1, n * 2, inf); } return ret; } void dfs(int u) { vis[u] = true; for (int i = 0, v; i < G[u].size(); i++) { v = G[u][i]; if (vis[v]) continue; ans[v] = u; dfs(v); } } int main() { scanf("%d", &n); for (int i = 1, m; i <= n - 1; i++) { scanf("%d", &m); S[i].resize(m), V[i].resize(m); for (int j = 0; j < m; j++) { scanf("%d", &S[i][j]); if (S[i][j] != 1) { V[i][j] = add_f(S[i][j], i + n); } } } for (int i = 2; i <= n; i++) { add_f(1, i); } for (int i = n + 1; i < n * 2; i++) { add_f(i, n * 2); } if (flow() != n - 1) { puts("-1"); return 0; } for (int i = 1; i <= n - 1; i++) { int x = 0; for (int j = 0; j < S[i].size(); j++) { if (S[i][j] != 1 && !wei[V[i][j]]) { x = S[i][j]; break; } } num[i] = x; for (int j = 0; j < S[i].size(); j++) { if (S[i][j] != x) { G[S[i][j]].push_back(x); } } } dfs(1); for (int i = 1; i <= n; i++) { if (!vis[i]) { puts("-1"); break; } } for (int i = 1; i <= n - 1; i++) { printf("%d %d\n", ans[num[i]], num[i]); } return 0; }
#include <bits/stdc++.h> using namespace std; const int maxn = 1e6, inf = 1e9; int n, tot, ter[maxn + 3], wei[maxn + 3], nxt[maxn + 3], lnk[maxn + 3]; int cur[maxn + 3], dep[maxn + 3], num[maxn + 3], ans[maxn + 3]; bool vis[maxn + 3]; vector<int> S[maxn + 3], V[maxn + 3], G[maxn + 3]; int adj(int x) { return x & 1 ? x + 1 : x - 1; } int add(int u, int v, int w) { ter[++tot] = v, wei[tot] = w; nxt[tot] = lnk[u], lnk[u] = tot; return tot; } int add_f(int u, int v) { int t = add(u, v, 1); return add(v, u, 0), t; } bool bfs() { queue<int> Q; Q.push(1); memset(dep, -1, sizeof(dep)); dep[1] = 0; while (!Q.empty()) { int u = Q.front(); Q.pop(); for (int i = lnk[u], v, w; i; i = nxt[i]) { v = ter[i], w = wei[i]; if ((~dep[v]) || !w) continue; dep[v] = dep[u] + 1; Q.push(v); } } return ~dep[n * 2]; } int dfs(int u, int t, int lft) { if (u == t) { return lft; } int ret = 0; for (int &i = cur[u], v, w; i && ret < lft; i = nxt[i]) { v = ter[i], w = wei[i]; if (w && dep[u] + 1 == dep[v]) { int x = dfs(v, t, min(lft - ret, w)); wei[i] -= x, wei[adj(i)] += x, ret += x; } } if (ret < lft) { dep[u] = -1; } return ret; } int flow() { int ret = 0; while (bfs()) { memcpy(cur, lnk, sizeof(cur)); ret += dfs(1, n * 2, inf); } return ret; } void dfs(int u) { vis[u] = true; for (int i = 0, v; i < G[u].size(); i++) { v = G[u][i]; if (vis[v]) continue; ans[v] = u; dfs(v); } } int main() { scanf("%d", &n); for (int i = 1, m; i <= n - 1; i++) { scanf("%d", &m); S[i].resize(m), V[i].resize(m); for (int j = 0; j < m; j++) { scanf("%d", &S[i][j]); if (S[i][j] != 1) { V[i][j] = add_f(S[i][j], i + n); } } } for (int i = 2; i <= n; i++) { add_f(1, i); } for (int i = n + 1; i < n * 2; i++) { add_f(i, n * 2); } if (flow() != n - 1) { puts("-1"); return 0; } for (int i = 1; i <= n - 1; i++) { int x = 0; for (int j = 0; j < S[i].size(); j++) { if (S[i][j] != 1 && !wei[V[i][j]]) { x = S[i][j]; break; } } num[i] = x; for (int j = 0; j < S[i].size(); j++) { if (S[i][j] != x) { G[S[i][j]].push_back(x); } } } dfs(1); for (int i = 1; i <= n; i++) { if (!vis[i]) { puts("-1"); break; } } for (int i = 1; i <= n - 1; i++) { printf("%d %d\n", ans[num[i]], num[i]); } return 0; }
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p03205
C++
Runtime Error
#include <algorithm> #include <cstdio> #include <cstring> #include <iostream> #include <queue> #include <vector> using namespace std; #define LL long long #define fgx cerr << "--------------" << endl; #define dgx cerr << "==============" << endl; inline int read() { int x = 0, f = 1; char c = getchar(); for (; !isdigit(c); c = getchar()) if (c == '-') f = -1; for (; isdigit(c); c = getchar()) x = x * 10 + c - '0'; return x * f; } const int MAXN = 200010; const int INF = 2147483600; int N; int Node[MAXN << 1], Next[MAXN << 1], Root[MAXN + 1], C[MAXN << 1], cnt; inline void addedge(int u, int v, int c) { Node[cnt] = v; Next[cnt] = Root[u]; C[cnt] = c; Root[u] = cnt++; } inline void insert(int u, int v, int c) { addedge(u, v, c); addedge(v, u, 0); } int S, T; int dis[MAXN + 1]; inline bool BFS() { for (int i = S; i <= T; i++) dis[i] = 0; queue<int> que; que.push(S); dis[S] = 1; while (!que.empty()) { int k = que.front(); for (int x = Root[k]; x != -1; x = Next[x]) { int v = Node[x]; if (C[x] > 0 && !dis[v]) dis[v] = dis[k] + 1, que.push(v); } que.pop(); } return (dis[T] ? 1 : 0); } inline int DFS(int k, int t) { if (k == T) { return t; } int ret = 0; for (int x = Root[k]; x != -1; x = Next[x]) { int v = Node[x]; if (C[x] > 0 && dis[v] == dis[k] + 1) { int d = DFS(v, min(t, C[x])); C[x] -= d; C[x ^ 1] += d; ret += d; t -= d; if (!t) return ret; } } if (!ret) dis[k] = 0; return ret; } int nod; queue<int> que; int vis[MAXN + 1], chs[MAXN + 1], root; vector<int> vec[MAXN + 1]; int P[MAXN + 1]; inline void Add(int k) { ++nod; for (int i = 0, sz = vec[k].size(); i < sz; i++) { int j = vec[k][i]; if (!vis[j] && chs[j] != k) vis[j] = k, que.push(j); } } int main() { // freopen(".in","r",stdin); // freopen(".out","w",stdout); N = read(); T = 2 * N, S = 0; memset(Root, -1, sizeof(Root)); for (int i = 1; i < N; i++) { P[i] = read(); insert(S, i, 1); for (int j = 1; j <= P[i]; j++) { int x = read(); vec[x].push_back(i); insert(i, x + N - 1, 1); } } for (int i = 1; i <= N; i++) insert(i + N - 1, T, 1); int sum = 0; while (BFS()) sum += DFS(S, INF); if (sum != N - 1) { puts("-1"); return 0; } int id = 1; int now = 0; for (int i = 1; i < N; i++) { now += 2; for (int j = 1; j <= P[i]; j++) { if (!C[now]) chs[i] = Node[now] - (N - 1); now += 2; } } while (now < cnt) { if (C[now]) { root = id; break; } now += 2; ++id; } Add(root); while (!que.empty()) { int k = que.front(); Add(chs[k]); que.pop(); } if (nod != N) { puts("-1"); return 0; } for (int i = 1; i < N; i++) printf("%d %d\n", chs[i], vis[i]); return 0; }
#include <algorithm> #include <cstdio> #include <cstring> #include <iostream> #include <queue> #include <vector> using namespace std; #define LL long long #define fgx cerr << "--------------" << endl; #define dgx cerr << "==============" << endl; inline int read() { int x = 0, f = 1; char c = getchar(); for (; !isdigit(c); c = getchar()) if (c == '-') f = -1; for (; isdigit(c); c = getchar()) x = x * 10 + c - '0'; return x * f; } const int MAXN = 600010; const int INF = 2147483600; int N; int Node[MAXN << 1], Next[MAXN << 1], Root[MAXN + 1], C[MAXN << 1], cnt; inline void addedge(int u, int v, int c) { Node[cnt] = v; Next[cnt] = Root[u]; C[cnt] = c; Root[u] = cnt++; } inline void insert(int u, int v, int c) { addedge(u, v, c); addedge(v, u, 0); } int S, T; int dis[MAXN + 1]; inline bool BFS() { for (int i = S; i <= T; i++) dis[i] = 0; queue<int> que; que.push(S); dis[S] = 1; while (!que.empty()) { int k = que.front(); for (int x = Root[k]; x != -1; x = Next[x]) { int v = Node[x]; if (C[x] > 0 && !dis[v]) dis[v] = dis[k] + 1, que.push(v); } que.pop(); } return (dis[T] ? 1 : 0); } inline int DFS(int k, int t) { if (k == T) { return t; } int ret = 0; for (int x = Root[k]; x != -1; x = Next[x]) { int v = Node[x]; if (C[x] > 0 && dis[v] == dis[k] + 1) { int d = DFS(v, min(t, C[x])); C[x] -= d; C[x ^ 1] += d; ret += d; t -= d; if (!t) return ret; } } if (!ret) dis[k] = 0; return ret; } int nod; queue<int> que; int vis[MAXN + 1], chs[MAXN + 1], root; vector<int> vec[MAXN + 1]; int P[MAXN + 1]; inline void Add(int k) { ++nod; for (int i = 0, sz = vec[k].size(); i < sz; i++) { int j = vec[k][i]; if (!vis[j] && chs[j] != k) vis[j] = k, que.push(j); } } int main() { // freopen(".in","r",stdin); // freopen(".out","w",stdout); N = read(); T = 2 * N, S = 0; memset(Root, -1, sizeof(Root)); for (int i = 1; i < N; i++) { P[i] = read(); insert(S, i, 1); for (int j = 1; j <= P[i]; j++) { int x = read(); vec[x].push_back(i); insert(i, x + N - 1, 1); } } for (int i = 1; i <= N; i++) insert(i + N - 1, T, 1); int sum = 0; while (BFS()) sum += DFS(S, INF); if (sum != N - 1) { puts("-1"); return 0; } int id = 1; int now = 0; for (int i = 1; i < N; i++) { now += 2; for (int j = 1; j <= P[i]; j++) { if (!C[now]) chs[i] = Node[now] - (N - 1); now += 2; } } while (now < cnt) { if (C[now]) { root = id; break; } now += 2; ++id; } Add(root); while (!que.empty()) { int k = que.front(); Add(chs[k]); que.pop(); } if (nod != N) { puts("-1"); return 0; } for (int i = 1; i < N; i++) printf("%d %d\n", chs[i], vis[i]); return 0; }
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0
p03205
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 10; const int INF = 1e9; struct Edge { int u, v, cap, flow; }; namespace Max_flow { vector<Edge> E; vector<int> G[N]; int S, T, n, d[N]; void init(int _n, int _s, int _t) { n = _n, S = _s, T = _t; for (int i = 0; i <= n; i++) G[i].clear(); E.clear(); } void addedge(int u, int v, int cap) { E.push_back((Edge){u, v, cap, 0}); E.push_back((Edge){v, u, 0, 0}); int m = E.size(); G[u].push_back(m - 2); G[v].push_back(m - 1); } bool bfs() { for (int i = 0; i <= n; i++) d[i] = 0; d[S] = 1; queue<int> q; q.push(S); while (q.size()) { int u = q.front(); q.pop(); for (int i : G[u]) { if (E[i].cap > E[i].flow && !d[E[i].v]) { d[E[i].v] = d[u] + 1; q.push(E[i].v); } } } return d[T]; } int dfs(int u, int a) { if (!a || u == T) return a; int flow = 0; for (int i : G[u]) { if (d[E[i].v] != d[u] + 1) continue; int f = dfs(E[i].v, min(E[i].cap - E[i].flow, a)); flow += f; a -= f; E[i].flow += f; E[i ^ 1].flow -= f; } if (!flow) d[u] = 0; return flow; } int max_flow() { int flow = 0; while (bfs()) { flow += dfs(S, INF); } return flow; } } // namespace Max_flow int n, c[N], p[N], q[N], vis[N]; vector<int> g[N], bel[N]; int main() { scanf("%d", &n); Max_flow::init(2 * n + 1, 0, 2 * n + 1); for (int i = 1; i < n; i++) { scanf("%d", &c[i]); g[i].resize(c[i]); Max_flow::addedge(0, i, 1); for (int j = 0; j < c[i]; j++) { scanf("%d", &g[i][j]); bel[g[i][j]].push_back(i); Max_flow::addedge(i, g[i][j] + n, 1); } } for (int i = 1; i <= n; i++) { Max_flow::addedge(i + n, 2 * n + 1, 1); } if (Max_flow::max_flow() != n - 1) { puts("-1"); return 0; } for (Edge e : Max_flow::E) { if (e.u <= n && e.v > n && e.cap == e.flow) { p[e.u] = e.v - n; vis[e.v - n] = 1; } } queue<int> tmp; for (int i = 1; i <= n; i++) { if (!vis[i]) tmp.push(i); vis[i] = 0; } int cnt = 0; while (tmp.size()) { cnt++; int u = tmp.front(); tmp.pop(); for (int i : bel[u]) if (!vis[i]) { vis[i] = 1; q[i] = u; tmp.push(p[i]); } } if (cnt != n) { puts("-1"); return 0; } for (int i = 1; i < n; i++) { printf("%d %d\n", p[i], q[i]); } return 0; }
#include <bits/stdc++.h> using namespace std; const int N = 3e5 + 10; const int INF = 1e9; struct Edge { int u, v, cap, flow; }; namespace Max_flow { vector<Edge> E; vector<int> G[N]; int S, T, n, d[N]; void init(int _n, int _s, int _t) { n = _n, S = _s, T = _t; for (int i = 0; i <= n; i++) G[i].clear(); E.clear(); } void addedge(int u, int v, int cap) { E.push_back((Edge){u, v, cap, 0}); E.push_back((Edge){v, u, 0, 0}); int m = E.size(); G[u].push_back(m - 2); G[v].push_back(m - 1); } bool bfs() { for (int i = 0; i <= n; i++) d[i] = 0; d[S] = 1; queue<int> q; q.push(S); while (q.size()) { int u = q.front(); q.pop(); for (int i : G[u]) { if (E[i].cap > E[i].flow && !d[E[i].v]) { d[E[i].v] = d[u] + 1; q.push(E[i].v); } } } return d[T]; } int dfs(int u, int a) { if (!a || u == T) return a; int flow = 0; for (int i : G[u]) { if (d[E[i].v] != d[u] + 1) continue; int f = dfs(E[i].v, min(E[i].cap - E[i].flow, a)); flow += f; a -= f; E[i].flow += f; E[i ^ 1].flow -= f; } if (!flow) d[u] = 0; return flow; } int max_flow() { int flow = 0; while (bfs()) { flow += dfs(S, INF); } return flow; } } // namespace Max_flow int n, c[N], p[N], q[N], vis[N]; vector<int> g[N], bel[N]; int main() { scanf("%d", &n); Max_flow::init(2 * n + 1, 0, 2 * n + 1); for (int i = 1; i < n; i++) { scanf("%d", &c[i]); g[i].resize(c[i]); Max_flow::addedge(0, i, 1); for (int j = 0; j < c[i]; j++) { scanf("%d", &g[i][j]); bel[g[i][j]].push_back(i); Max_flow::addedge(i, g[i][j] + n, 1); } } for (int i = 1; i <= n; i++) { Max_flow::addedge(i + n, 2 * n + 1, 1); } if (Max_flow::max_flow() != n - 1) { puts("-1"); return 0; } for (Edge e : Max_flow::E) { if (e.u <= n && e.v > n && e.cap == e.flow) { p[e.u] = e.v - n; vis[e.v - n] = 1; } } queue<int> tmp; for (int i = 1; i <= n; i++) { if (!vis[i]) tmp.push(i); vis[i] = 0; } int cnt = 0; while (tmp.size()) { cnt++; int u = tmp.front(); tmp.pop(); for (int i : bel[u]) if (!vis[i]) { vis[i] = 1; q[i] = u; tmp.push(p[i]); } } if (cnt != n) { puts("-1"); return 0; } for (int i = 1; i < n; i++) { printf("%d %d\n", p[i], q[i]); } return 0; }
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0
p03205
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; const int maxn = 1e5; int n, lk[maxn + 10], vis[maxn + 10], clk; int l[maxn + 10], r[maxn + 10]; vector<int> g[maxn + 10]; bool dfs(int p) { for (int i = 0; i < (int)g[p].size(); ++i) { int e = g[p][i]; if (vis[e] != clk) { vis[e] = clk; if (!lk[e] || dfs(lk[e])) { lk[e] = p; return 1; } } } return 0; } void getans(int p, int lst) { for (int i = 0; i < (int)g[p].size(); ++i) { int e = g[p][i]; if (e != lst && vis[e] != clk) { vis[e] = clk; l[e] = p; r[e] = lk[e]; getans(lk[e], e); } } } int main() { scanf("%d", &n); for (int i = 1; i < n; ++i) { int k; scanf("%d", &k); while (k--) { int x; scanf("%d", &x); g[x].push_back(i); } } for (int i = 1; i < n; ++i) { ++clk; if (!dfs(i)) { printf("-1"); return 0; } } ++clk; getans(n, 0); for (int i = 1; i < n; ++i) if (!l[i]) { printf("-1"); return 0; } for (int i = 1; i < n; ++i) printf("%d %d\n", l[i], r[i]); }
#include <bits/stdc++.h> using namespace std; const int maxn = 1e5; int n, lk[maxn + 10], vis[maxn + 10], clk; int l[maxn + 10], r[maxn + 10]; vector<int> g[maxn + 10]; bool dfs(int p) { for (int i = 0; i < (int)g[p].size(); ++i) { int e = g[p][i]; if (vis[e] != clk) { vis[e] = clk; if (!lk[e] || dfs(lk[e])) { lk[e] = p; return 1; } } } return 0; } void getans(int p, int lst) { for (int i = 0; i < (int)g[p].size(); ++i) { int e = g[p][i]; if (e != lst && vis[e] != clk) { vis[e] = clk; l[e] = p; r[e] = lk[e]; getans(lk[e], e); } } } int main() { scanf("%d", &n); for (int i = 1; i < n; ++i) { int k; scanf("%d", &k); while (k--) { int x; scanf("%d", &x); g[x].push_back(i); } } for (int i = 1; i <= n; ++i) random_shuffle(g[i].begin(), g[i].end()); for (int i = 1; i < n; ++i) { ++clk; if (!dfs(i)) { printf("-1"); return 0; } } ++clk; getans(n, 0); for (int i = 1; i < n; ++i) if (!l[i]) { printf("-1"); return 0; } for (int i = 1; i < n; ++i) printf("%d %d\n", l[i], r[i]); }
insert
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TLE
p03205
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; const int max_n = 100111, inf = 1000111222; int n, p[max_n], nxt[max_n], used[max_n], ans[max_n]; int cur; vector<int> g[max_n], g2[max_n]; bool dfs(int v) { if (used[v] == cur) { return false; } used[v] = cur; for (int to : g[v]) { if (p[to] == -1 || dfs(p[to])) { p[to] = v; nxt[v] = to; return true; } } return false; } void dfs2(int v) { used[v] = 1; for (int to : g2[v]) { if (used[to] == 0) { dfs2(to); ans[to] = nxt[v]; } } } int main() { // freopen("input.txt", "r", stdin); // freopen("output.txt", "w", stdout); scanf("%d", &n); for (int i = 0; i + 1 < n; ++i) { int k; scanf("%d", &k); g[i].resize(k); for (int &x : g[i]) { scanf("%d", &x); --x; } } memset(nxt, -1, sizeof(nxt)); memset(p, -1, sizeof(p)); for (int i = 0; i + 1 < n; ++i) { ++cur; dfs(i); } /*for (int run = 1; run; ) { run = 0; memset(used, 0, sizeof(used)); for (int i = 0; i + 1 < n; ++i) { if (nxt[i] == -1 && dfs(i)) { run = 1; } } }*/ for (int i = 0; i + 1 < n; ++i) { if (nxt[i] == -1) { puts("-1"); return 0; } } int root; for (int i = 0; i < n; ++i) { if (p[i] == -1) { root = i; break; } } p[root] = n - 1; nxt[n - 1] = root; for (int i = 0; i + 1 < n; ++i) { for (int to : g[i]) { if (to != nxt[i]) { g2[p[to]].push_back(i); } } } memset(used, 0, sizeof(used)); dfs2(n - 1); for (int i = 0; i < n; ++i) { if (!used[i]) { puts("-1"); return 0; } } for (int i = 0; i + 1 < n; ++i) { printf("%d %d\n", nxt[i] + 1, ans[i] + 1); } return 0; }
#include <bits/stdc++.h> using namespace std; const int max_n = 100111, inf = 1000111222; int n, p[max_n], nxt[max_n], used[max_n], ans[max_n]; int cur; vector<int> g[max_n], g2[max_n]; bool dfs(int v) { if (used[v] == cur) { return false; } used[v] = cur; for (int to : g[v]) { if (p[to] == -1 || dfs(p[to])) { p[to] = v; nxt[v] = to; return true; } } return false; } void dfs2(int v) { used[v] = 1; for (int to : g2[v]) { if (used[to] == 0) { dfs2(to); ans[to] = nxt[v]; } } } int main() { // freopen("input.txt", "r", stdin); // freopen("output.txt", "w", stdout); scanf("%d", &n); for (int i = 0; i + 1 < n; ++i) { int k; scanf("%d", &k); g[i].resize(k); for (int &x : g[i]) { scanf("%d", &x); --x; } } memset(nxt, -1, sizeof(nxt)); memset(p, -1, sizeof(p)); for (int i = 0; i + 1 < n; ++i) { for (int to : g[i]) { if (p[to] == -1) { p[to] = i; nxt[i] = to; break; } } } for (int i = 0; i + 1 < n; ++i) { if (nxt[i] == -1) { ++cur; dfs(i); } } /*for (int run = 1; run; ) { run = 0; memset(used, 0, sizeof(used)); for (int i = 0; i + 1 < n; ++i) { if (nxt[i] == -1 && dfs(i)) { run = 1; } } }*/ for (int i = 0; i + 1 < n; ++i) { if (nxt[i] == -1) { puts("-1"); return 0; } } int root; for (int i = 0; i < n; ++i) { if (p[i] == -1) { root = i; break; } } p[root] = n - 1; nxt[n - 1] = root; for (int i = 0; i + 1 < n; ++i) { for (int to : g[i]) { if (to != nxt[i]) { g2[p[to]].push_back(i); } } } memset(used, 0, sizeof(used)); dfs2(n - 1); for (int i = 0; i < n; ++i) { if (!used[i]) { puts("-1"); return 0; } } for (int i = 0; i + 1 < n; ++i) { printf("%d %d\n", nxt[i] + 1, ans[i] + 1); } return 0; }
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TLE
p03205
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; const int N = 201000; int chosen[N]; namespace MF { struct Edge { int v, flow, ne; } e[N << 3]; int fi[N], tot, S, T, V, cur[N], dis[N], q[N]; void Init(int s, int t, int v) { S = s; T = t; V = v; tot = 1; for (int i = 0; i < V; i++) { fi[i] = 0; } } void Add(int x, int y, int w) { e[++tot] = {y, w, fi[x]}; fi[x] = tot; e[++tot] = {x, 0, fi[y]}; fi[y] = tot; } bool Bfs(void) { for (int i = 0; i < V; i++) { dis[i] = 0; } int h = 1, t = 0; q[++t] = S; dis[S] = 1; while (h <= t) { int x = q[h++]; for (int i = fi[x]; i; i = e[i].ne) { if (e[i].flow && !dis[e[i].v]) { dis[e[i].v] = dis[x] + 1; q[++t] = e[i].v; } } } return dis[T]; } int Dfs(int x, int f) { if (x == T) { return f; } int used = 0; for (int &i = cur[x]; i; i = e[i].ne) { if (e[i].flow && dis[e[i].v] == dis[x] + 1) { int t = Dfs(e[i].v, min(f - used, e[i].flow)); used += t; e[i].flow -= t; e[i ^ 1].flow += t; if (used == f) { return used; } } } dis[x] = -1; return used; } int Solve(void) { int ans = 0; while (Bfs()) { for (int i = 0; i < V; i++) { cur[i] = fi[i]; } ans += Dfs(S, 1e9); } for (int i = 1; i < (V >> 1); i++) { for (int j = fi[i]; j; j = e[j].ne) { if (!e[j].flow) { ::chosen[i] = e[j].v - (V >> 1) + 1; } } } return ans; } } // namespace MF int n, q[N], full[N]; pair<int, int> ans[N]; vector<int> in[N]; int main(void) { scanf("%d", &n); MF::Init(0, n << 1 ^ 3, n << 1); for (int i = 1, k; i < n; i++) { scanf("%d", &k); for (int j = 0, x; j < k; j++) { scanf("%d", &x); x--; if (x) { MF::Add(i, x + n - 1, 1); } in[x].push_back(i); } } for (int i = 1; i < n; i++) { MF::Add(MF::S, i, 1); MF::Add(i + n - 1, MF::T, 1); } if (MF::Solve() < n - 1) { return puts("-1"), 0; } int h = 1, t = 0; q[++t] = 0; while (h <= t) { int x = q[h++]; for (int y : in[x]) { if (full[y]) { continue; } full[y] = 1; q[++t] = chosen[y]; ans[y] = {x, chosen[y]}; } } if (t < n) { puts("-1"); } else { for (int i = 1; i < n; i++) { printf("%d %d\n", ans[i].first + 1, ans[i].second + 1); } } return 0; }
#include <bits/stdc++.h> using namespace std; const int N = 201000; int chosen[N]; namespace MF { struct Edge { int v, flow, ne; } e[N << 3]; int fi[N], tot, S, T, V, cur[N], dis[N], q[N]; void Init(int s, int t, int v) { S = s; T = t; V = v; tot = 1; for (int i = 0; i < V; i++) { fi[i] = 0; } } void Add(int x, int y, int w) { e[++tot] = {y, w, fi[x]}; fi[x] = tot; e[++tot] = {x, 0, fi[y]}; fi[y] = tot; } bool Bfs(void) { for (int i = 0; i < V; i++) { dis[i] = 0; } int h = 1, t = 0; q[++t] = S; dis[S] = 1; while (h <= t) { int x = q[h++]; for (int i = fi[x]; i; i = e[i].ne) { if (e[i].flow && !dis[e[i].v]) { dis[e[i].v] = dis[x] + 1; q[++t] = e[i].v; } } } return dis[T]; } int Dfs(int x, int f) { if (x == T) { return f; } int used = 0; for (int &i = cur[x]; i; i = e[i].ne) { if (e[i].flow && dis[e[i].v] == dis[x] + 1) { int t = Dfs(e[i].v, min(f - used, e[i].flow)); used += t; e[i].flow -= t; e[i ^ 1].flow += t; if (used == f) { return used; } } } dis[x] = -1; return used; } int Solve(void) { int ans = 0; while (Bfs()) { for (int i = 0; i < V; i++) { cur[i] = fi[i]; } ans += Dfs(S, 1e9); } for (int i = 1; i < (V >> 1); i++) { for (int j = fi[i]; j; j = e[j].ne) { if (!e[j].flow) { ::chosen[i] = e[j].v - (V >> 1) + 1; } } } return ans; } } // namespace MF int n, q[N], full[N]; pair<int, int> ans[N]; vector<int> in[N]; int main(void) { scanf("%d", &n); MF::Init(0, n * 2 - 1, n << 1); for (int i = 1, k; i < n; i++) { scanf("%d", &k); for (int j = 0, x; j < k; j++) { scanf("%d", &x); x--; if (x) { MF::Add(i, x + n - 1, 1); } in[x].push_back(i); } } for (int i = 1; i < n; i++) { MF::Add(MF::S, i, 1); MF::Add(i + n - 1, MF::T, 1); } if (MF::Solve() < n - 1) { return puts("-1"), 0; } int h = 1, t = 0; q[++t] = 0; while (h <= t) { int x = q[h++]; for (int y : in[x]) { if (full[y]) { continue; } full[y] = 1; q[++t] = chosen[y]; ans[y] = {x, chosen[y]}; } } if (t < n) { puts("-1"); } else { for (int i = 1; i < n; i++) { printf("%d %d\n", ans[i].first + 1, ans[i].second + 1); } } return 0; }
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TLE
p03206
Python
Runtime Error
s = int(input) if s == 22: print("Christmas Eve Eve Eve") if s == 23: print("Christmas Eve Eve") if s == 24: print("Christmas Eve") if s == 25: print("Christmas")
s = int(input()) if s == 22: print("Christmas Eve Eve Eve") if s == 23: print("Christmas Eve Eve") if s == 24: print("Christmas Eve") if s == 25: print("Christmas")
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TypeError: int() argument must be a string, a bytes-like object or a real number, not 'builtin_function_or_method'
Traceback (most recent call last): File "/home/alex/Documents/bug-detection/input/Project_CodeNet/data/p03206/Python/s541869147.py", line 1, in <module> s = int(input) TypeError: int() argument must be a string, a bytes-like object or a real number, not 'builtin_function_or_method'
p03206
C++
Time Limit Exceeded
#include <stdio.h> int main() { int n; while (scanf("%d", &n)) { if (n == 25) printf("Christmas\n"); if (n == 24) printf("Christmas Eve\n"); if (n == 23) printf("Christmas Eve Eve\n"); if (n == 22) printf("Christmas Eve Eve Eve\n"); } return 0; }
#include <stdio.h> int main() { int n; scanf("%d", &n); if (n == 25) printf("Christmas\n"); if (n == 24) printf("Christmas Eve\n"); if (n == 23) printf("Christmas Eve Eve\n"); if (n == 22) printf("Christmas Eve Eve Eve\n"); return 0; }
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TLE
p03206
C++
Time Limit Exceeded
#include <stdio.h> #include <stdlib.h> int main() { int d; while (scanf("%d", &d)) { if (d == 25) printf("Christmas\n"); else if (d == 24) printf("Christmas Eve\n"); else if (d == 23) printf("Christmas Eve Eve\n"); else if (d == 22) printf("Christmas Eve Eve Eve\n"); } }
#include <stdio.h> #include <stdlib.h> int main() { int d; scanf("%d", &d); if (d == 25) printf("Christmas\n"); else if (d == 24) printf("Christmas Eve\n"); else if (d == 23) printf("Christmas Eve Eve\n"); else if (d == 22) printf("Christmas Eve Eve Eve\n"); }
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TLE
p03206
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; int main() { int d; cin >> d; string ans = "Christmas"; while (d < 25) { ans += " Eve"; } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; int main() { int d; cin >> d; string ans = "Christmas"; while (d++ < 25) { ans += " Eve"; } cout << ans << endl; }
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TLE
p03206
C++
Runtime Error
#include <algorithm> #include <iostream> #include <string> #include <vector> using namespace std; int main() { int a; cin >> a; vector<string> word; word.push_back("Christmas"); if (a == 25) { cout << word[0]; } if (a < 25) { for (int i = 25; i > a; i--) { word.push_back(" Eve"); } for (int j = 0; j < 25; j++) { cout << word[j]; } } }
#include <algorithm> #include <iostream> #include <string> #include <vector> using namespace std; int main() { int a; cin >> a; vector<string> word; word.push_back("Christmas"); if (a == 25) { cout << word[0]; } if (a < 25) { for (int i = 25; i > a; i--) { word.push_back(" Eve"); } for (int j = 0; j <= 25 - a; j++) { cout << word[j]; } } }
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p03206
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; int main() { int N; cin >> N; cout << "Christmas" << endl; for (int i = 25; i != N; i++) { cout << " " << "Eve" << endl; } }
#include <bits/stdc++.h> using namespace std; int main() { int N; cin >> N; cout << "Christmas" << endl; for (int i = 25; i != N; i--) { cout << " " << "Eve" << endl; } }
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TLE
p03206
C++
Runtime Error
#include <iostream> #include <string> using namespace std; int main() { int d; cin >> d; string a[4] = {"Christmas Eve Eve Eve", "Christmas Eve Eve", "Christmas Eve", "Christmas"}; cout << a[d - 23] << endl; }
#include <iostream> #include <string> using namespace std; int main() { int d; cin >> d; string a[4] = {"Christmas Eve Eve Eve", "Christmas Eve Eve", "Christmas Eve", "Christmas"}; cout << a[d - 22] << endl; }
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0
p03206
Python
Runtime Error
def solve(): d = int(input()) eves = 25 - d return "Christmas" + " Eve" + eves if __name__ == "__main__": print(solve())
def solve(): d = int(input()) eves = 25 - d return "Christmas" + " Eve" * eves if __name__ == "__main__": print(solve())
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TypeError: can only concatenate str (not "int") to str
Traceback (most recent call last): File "/home/alex/Documents/bug-detection/input/Project_CodeNet/data/p03206/Python/s602998179.py", line 8, in <module> print(solve()) File "/home/alex/Documents/bug-detection/input/Project_CodeNet/data/p03206/Python/s602998179.py", line 4, in solve return "Christmas" + " Eve" + eves TypeError: can only concatenate str (not "int") to str
p03206
Python
Runtime Error
print(f"Christmas {' '.join(['Eve'] * (25 - int(input())))}".strip())
print("Christmas {}".format(" ".join(["Eve"] * (25 - int(input())))).strip())
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0
p03206
Python
Runtime Error
#!/usr/bin/env python # -*- coding: utf-8 -*- al = [0, 5] + [0] * 49 bl = [0, 3] + [0] * 49 def solve2(ans, x, idx, cnt): if idx == 1: return ans + (0, 0, 1, 2, 3, 3, 3)[x] + [0, 1][cnt >= 1] if x == (al[idx] // 2) + 1: return ans + bl[idx - 1] + 1 + [0, 1][cnt >= 1] elif x > (al[idx] // 2) + 1: ans += bl[idx - 1] x -= al[idx] // 2 cnt += 1 return solve2(ans, x, idx - 1, cnt) def solve(): n, x = map(int, input().split()) for i in range(2, n + 1): al[i] = al[i - 1] * 2 + 3 bl[i] = bl[i - 1] * 2 + 1 ans = solve2(0, x, n, 0) print(ans) if __name__ == "__main__": solve()
print("Christmas" + (" Eve" * (25 - int(input()))))
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0
1
ValueError: not enough values to unpack (expected 2, got 1)
Traceback (most recent call last): File "/home/alex/Documents/bug-detection/input/Project_CodeNet/data/p03206/Python/s885341771.py", line 30, in <module> solve() File "/home/alex/Documents/bug-detection/input/Project_CodeNet/data/p03206/Python/s885341771.py", line 21, in solve n, x = map(int, input().split()) ValueError: not enough values to unpack (expected 2, got 1)
p03206
Python
Runtime Error
D = int(input) print("Christmas" + " Eve" * (25 - D))
D = int(input()) print("Christmas" + " Eve" * (25 - D))
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TypeError: int() argument must be a string, a bytes-like object or a real number, not 'builtin_function_or_method'
Traceback (most recent call last): File "/home/alex/Documents/bug-detection/input/Project_CodeNet/data/p03206/Python/s854854149.py", line 1, in <module> D = int(input) TypeError: int() argument must be a string, a bytes-like object or a real number, not 'builtin_function_or_method'
p03207
C++
Runtime Error
#include <algorithm> #include <assert.h> #include <bitset> #include <cassert> #include <cctype> #include <cfloat> #include <climits> #include <cmath> #include <complex> #include <cstdint> #include <cstdio> #include <ctime> #include <deque> #include <fstream> #include <functional> #include <iomanip> #include <iostream> #include <iterator> #include <limits> #include <list> #include <map> #include <memory> #include <queue> #include <random> #include <set> #include <stack> #include <stdio.h> #include <stdlib.h> #include <string> #include <tuple> #include <unordered_map> #include <unordered_set> #include <utility> #include <vector> #define int long long using namespace std; signed main() { int N; int A = 0; vector<int> p(N); for (int i = 0; i < N; i++) { cin >> p[i]; A += p[i]; } sort(p.begin(), p.end()); // {1, 2, 2, 5} reverse(p.begin(), p.end()); cout << A - p[0] / 2 << endl; }
#include <algorithm> #include <assert.h> #include <bitset> #include <cassert> #include <cctype> #include <cfloat> #include <climits> #include <cmath> #include <complex> #include <cstdint> #include <cstdio> #include <ctime> #include <deque> #include <fstream> #include <functional> #include <iomanip> #include <iostream> #include <iterator> #include <limits> #include <list> #include <map> #include <memory> #include <queue> #include <random> #include <set> #include <stack> #include <stdio.h> #include <stdlib.h> #include <string> #include <tuple> #include <unordered_map> #include <unordered_set> #include <utility> #include <vector> #define int long long using namespace std; signed main() { int N; cin >> N; int A = 0; vector<int> p(N); for (int i = 0; i < N; i++) { cin >> p[i]; A += p[i]; } sort(p.begin(), p.end()); // {1, 2, 2, 5} reverse(p.begin(), p.end()); cout << A - p[0] / 2 << endl; }
insert
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-6
terminate called after throwing an instance of 'std::bad_alloc' what(): std::bad_alloc
p03207
C++
Runtime Error
#include <algorithm> #include <array> #include <iostream> #include <map> #include <math.h> #include <numeric> #include <queue> #include <unordered_map> #include <unordered_set> #include <vector> using namespace std; using i64 = int64_t; #define rep(i, n) for (int i = 0; i < n; ++i) #define rep2(i, x, n) for (int i = x; i < n; ++i) #define INF 1 << 29; int main() { int n; cin >> n; vector<int> p; rep(i, n) cin >> p[i]; sort(p.begin(), p.end(), greater<int>()); p[0] /= 2; int price = 0; rep(i, n) price += p[i]; cout << price << endl; return 0; }
#include <algorithm> #include <array> #include <iostream> #include <map> #include <math.h> #include <numeric> #include <queue> #include <unordered_map> #include <unordered_set> #include <vector> using namespace std; using i64 = int64_t; #define rep(i, n) for (int i = 0; i < n; ++i) #define rep2(i, x, n) for (int i = x; i < n; ++i) #define INF 1 << 29; int main() { int n; cin >> n; vector<int> p(n); rep(i, n) cin >> p[i]; sort(p.begin(), p.end(), greater<int>()); p[0] /= 2; int price = 0; rep(i, n) price += p[i]; cout << price << endl; return 0; }
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p03207
C++
Runtime Error
#include <algorithm> #include <cassert> #include <cctype> #include <climits> #include <cmath> #include <complex> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #include <iomanip> #include <iostream> #include <iterator> #include <limits> #include <list> #include <map> #include <numeric> #include <queue> #include <set> #include <sstream> #include <stack> #include <stdio.h> #include <string> #include <utility> #include <vector> using namespace std; #define ll long long #define ld long double #define rep(a, t) for (int a = 0; a < t; ++a) #define forever while (true) #define Sort(a) sort(a.begin(), a.end()) #define Reverse(a) reverse(a.begin(), a.end()) #define pb push_back #define print_double(val, a) cout << fixed << setprecision(a) << val << endl; ll mod = 1e9 + 7; int main() { cin.tie(0); ios::sync_with_stdio(false); int n; vector<int> a(n); rep(i, n) { cin >> a[i]; } Sort(a); int sum = 0; rep(i, n) { sum += a[i]; } sum -= a[n - 1] / 2; cout << sum << endl; return 0; }
#include <algorithm> #include <cassert> #include <cctype> #include <climits> #include <cmath> #include <complex> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #include <iomanip> #include <iostream> #include <iterator> #include <limits> #include <list> #include <map> #include <numeric> #include <queue> #include <set> #include <sstream> #include <stack> #include <stdio.h> #include <string> #include <utility> #include <vector> using namespace std; #define ll long long #define ld long double #define rep(a, t) for (int a = 0; a < t; ++a) #define forever while (true) #define Sort(a) sort(a.begin(), a.end()) #define Reverse(a) reverse(a.begin(), a.end()) #define pb push_back #define print_double(val, a) cout << fixed << setprecision(a) << val << endl; ll mod = 1e9 + 7; int main() { cin.tie(0); ios::sync_with_stdio(false); int n; cin >> n; vector<int> a(n); rep(i, n) { cin >> a[i]; } Sort(a); int sum = 0; rep(i, n) { sum += a[i]; } sum -= a[n - 1] / 2; cout << sum << endl; return 0; }
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p03207
C++
Runtime Error
#include <iostream> using namespace std; int main(int argc, const char *argv[]) { // cant wait for holiday // string days[7] ={"SUN","MON","TUE","WED","THU","FRI","SAT"}; // string s; // int n; // cin>> s; // for (int i = 0; i< 7; i++){ // if (s== days[i]){ // n = i; // } // } // n = 7-n; // cout<< n; // day before christmas eve int a, b; int n; cin >> n; int prices[n]; for (int i = 0; i < n; i++) { cin >> prices[i]; } for (int i = 0; i < n; i++) { // find the greatest number and the index if (prices[i] >= a) { a = prices[i]; b = i; } } // b is index, a is value a = 0; // a will now be the sum prices[b] /= 2; for (int i = 0; i < n; i++) { a += prices[i]; } cout << a; return 0; }
#include <iostream> using namespace std; int main(int argc, const char *argv[]) { // cant wait for holiday // string days[7] ={"SUN","MON","TUE","WED","THU","FRI","SAT"}; // string s; // int n; // cin>> s; // for (int i = 0; i< 7; i++){ // if (s== days[i]){ // n = i; // } // } // n = 7-n; // cout<< n; // day before christmas eve int a = 0, b; int n; cin >> n; int prices[n]; for (int i = 0; i < n; i++) { cin >> prices[i]; } for (int i = 0; i < n; i++) { // find the greatest number and the index if (prices[i] >= a) { a = prices[i]; b = i; } } // b is index, a is value a = 0; // a will now be the sum prices[b] /= 2; for (int i = 0; i < n; i++) { a += prices[i]; } cout << a; return 0; }
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p03207
C++
Time Limit Exceeded
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < n; ++i) #include <string> using namespace std; typedef long long ll; ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; } ll lcm(ll a, ll b) { return a / gcd(a, b) * b; } int main() { int n; cin >> n; vector<int> p(n); rep(i, n) { cin >> p[i]; } sort(p.begin(), p.end(), greater<int>()); int ans = 0; rep(i, n) { if (i = 0) ans += p[i] / 2; else ans += p[i]; } cout << ans << endl; return 0; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < n; ++i) #include <string> using namespace std; typedef long long ll; ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; } ll lcm(ll a, ll b) { return a / gcd(a, b) * b; } int main() { int n; cin >> n; vector<int> p(n); rep(i, n) { cin >> p[i]; } sort(p.begin(), p.end(), greater<int>()); int ans = -p[0] / 2; rep(i, n) { ans += p[i]; } cout << ans << endl; return 0; }
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TLE
p03207
C++
Runtime Error
#include <bits/stdc++.h> #include <stdio.h> #include <string> using namespace std; int main() { int n; cin >> n; vector<int> vec(n); for (int i = 0; i < n; i++) { cin >> vec.at(n); } sort(vec.begin(), vec.end()); int sum = 0; for (int i = 0; i < n - 1; i++) { sum = sum + vec.at(i); } sum = sum + vec.at(n - 1) / 2; cout << sum << endl; }
#include <bits/stdc++.h> #include <stdio.h> #include <string> using namespace std; int main() { int n; cin >> n; vector<int> vec(n); for (int i = 0; i < n; i++) { cin >> vec.at(i); } sort(vec.begin(), vec.end()); int sum = 0; for (int i = 0; i < n - 1; i++) { sum = sum + vec.at(i); } sum = sum + vec.at(n - 1) / 2; cout << sum << endl; }
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terminate called after throwing an instance of 'std::out_of_range' what(): vector::_M_range_check: __n (which is 3) >= this->size() (which is 3)
p03207
C++
Runtime Error
#define _USE_MATH_DEFINES #include <algorithm> #include <bitset> #include <cmath> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <vector> using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef tuple<ll, ll, ll> tl3; const int BIG_NUM = 1e9; const ll INF = 1000000000000000000; const ll MOD = 1e9 + 7; // const ll MOD = 998244353; int main() { int n; cin >> n; vector<int> p; for (int i = 0; i < n; i++) { cin >> p[i]; } sort(p.begin(), p.end()); int sum = 0; for (int i = 0; i < n; i++) { sum += p[i]; } sum -= p[n - 1] / 2; cout << sum << endl; }
#define _USE_MATH_DEFINES #include <algorithm> #include <bitset> #include <cmath> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <vector> using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef tuple<ll, ll, ll> tl3; const int BIG_NUM = 1e9; const ll INF = 1000000000000000000; const ll MOD = 1e9 + 7; // const ll MOD = 998244353; int main() { int n; cin >> n; vector<int> p(n); for (int i = 0; i < n; i++) { cin >> p[i]; } sort(p.begin(), p.end()); int sum = 0; for (int i = 0; i < n; i++) { sum += p[i]; } sum -= p[n - 1] / 2; cout << sum << endl; }
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-11
p03207
Python
Runtime Error
N = int(input()) p = [int(input()) for _ in N] print(sum(p) - max(p) // 2)
N = int(input()) p = [int(input()) for _ in range(N)] print(sum(p) - max(p) // 2)
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2
TypeError: 'int' object is not iterable
Traceback (most recent call last): File "/home/alex/Documents/bug-detection/input/Project_CodeNet/data/p03207/Python/s805819022.py", line 2, in <module> p = [int(input()) for _ in N] TypeError: 'int' object is not iterable
p03207
C++
Runtime Error
#pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #pragma GCC target("sse2") #include <algorithm> #include <bits/stdc++.h> #include <bitset> #include <complex> #include <deque> #include <exception> #include <fstream> #include <functional> #include <iomanip> #include <ios> #include <iosfwd> #include <iostream> #include <istream> #include <iterator> #include <limits> #include <list> #include <locale> #include <map> #include <memory> #include <new> #include <numeric> #include <ostream> #include <queue> #include <set> #include <sstream> #include <stack> #include <stdexcept> #include <streambuf> #include <string> #include <typeinfo> #include <utility> #include <valarray> #include <vector> using namespace std; #define ll long long #define pb push_back #define pii pair<ll, ll> #define vi vector<ll> #define vii vector<pii> #define mi map<int, int> #define mii map<pii, int> #define all(a) (a).begin(), (a).end() #define FF first #define SS second #define sz(x) (int)x.size() #define endl '\n' #define hell 1000000007 #define rep(i, a, b) for (int i = a; i < b; i++) // mp::cpp_int int solve() { int n; vi a(n); rep(i, 0, n) cin >> a[i]; sort(all(a)); int sum = 0; rep(i, 0, n) sum += a[i]; cout << sum - a[n - 1] + a[n - 1] / 2; return 0; } int main() { int t = 1; ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); clock_t time_req; // Without using pow function time_req = clock(); // cin>>t; while (t--) { solve(); } time_req = clock() - time_req; // cout << "Processor time taken is " // << (double)time_req/CLOCKS_PER_SEC << " seconds" << endl; return 0; }
#pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #pragma GCC target("sse2") #include <algorithm> #include <bits/stdc++.h> #include <bitset> #include <complex> #include <deque> #include <exception> #include <fstream> #include <functional> #include <iomanip> #include <ios> #include <iosfwd> #include <iostream> #include <istream> #include <iterator> #include <limits> #include <list> #include <locale> #include <map> #include <memory> #include <new> #include <numeric> #include <ostream> #include <queue> #include <set> #include <sstream> #include <stack> #include <stdexcept> #include <streambuf> #include <string> #include <typeinfo> #include <utility> #include <valarray> #include <vector> using namespace std; #define ll long long #define pb push_back #define pii pair<ll, ll> #define vi vector<ll> #define vii vector<pii> #define mi map<int, int> #define mii map<pii, int> #define all(a) (a).begin(), (a).end() #define FF first #define SS second #define sz(x) (int)x.size() #define endl '\n' #define hell 1000000007 #define rep(i, a, b) for (int i = a; i < b; i++) // mp::cpp_int int solve() { int n; cin >> n; vi a(n); rep(i, 0, n) cin >> a[i]; sort(all(a)); int sum = 0; rep(i, 0, n) sum += a[i]; cout << sum - a[n - 1] + a[n - 1] / 2; return 0; } int main() { int t = 1; ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); clock_t time_req; // Without using pow function time_req = clock(); // cin>>t; while (t--) { solve(); } time_req = clock() - time_req; // cout << "Processor time taken is " // << (double)time_req/CLOCKS_PER_SEC << " seconds" << endl; return 0; }
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p03207
C++
Runtime Error
#include <iostream> #include <vector> using namespace std; int main(void) { int n; cin >> n; vector<int> value; for (int i = 0; i < n; i++) { cin >> value[i]; } int max = 0; for (int i = 0; i < n; i++) { if (max < value[i]) max = value[i]; } int sum = 0; for (int i = 0; i < n; i++) { sum = sum + value[i]; } cout << sum - max / 2 << endl; return 0; }
#include <iostream> #include <vector> using namespace std; int main(void) { int n; cin >> n; vector<int> value(10, 0); for (int i = 0; i < n; i++) { cin >> value[i]; } int max = 0; for (int i = 0; i < n; i++) { if (max < value[i]) max = value[i]; } int sum = 0; for (int i = 0; i < n; i++) { sum = sum + value[i]; } cout << sum - max / 2 << endl; return 0; }
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p03207
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for ((i) = 0; (i) < (n); ++(i)) #define repr(i, n) for ((i) = (n); (i) > 0; == (i)) #define FOR(i, j, n) for ((i) = (j); (i) < (n); ++(i)) #define forr(i, j, n) for ((i) = (j); (i) > (n); --(i)) #define debg(a) cout << (a) << endl; #define INF 9999999 #define Int long long int i, j, k; int dx, dy; int a, b, c; string s, t; int main() { int n; cin >> n; int p[i]; rep(i, n) cin >> p[i]; int max = 100; rep(i, n) if (p[i] > max) max = p[i]; int ttl = 0; rep(i, n) ttl += p[i]; ttl -= max; ttl += max / 2; cout << ttl; return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for ((i) = 0; (i) < (n); ++(i)) #define repr(i, n) for ((i) = (n); (i) > 0; == (i)) #define FOR(i, j, n) for ((i) = (j); (i) < (n); ++(i)) #define forr(i, j, n) for ((i) = (j); (i) > (n); --(i)) #define debg(a) cout << (a) << endl; #define INF 9999999 #define Int long long int i, j, k; int dx, dy; int a, b, c; string s, t; int main() { int n; cin >> n; int p[n]; rep(i, n) cin >> p[i]; int max = 100; rep(i, n) if (p[i] > max) max = p[i]; int ttl = 0; rep(i, n) ttl += p[i]; ttl -= max; ttl += max / 2; cout << ttl; return 0; }
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p03207
C++
Runtime Error
#include <algorithm> #include <iostream> #include <queue> #include <string> #include <vector> using namespace std; typedef long long Int; int main() { priority_queue<int> pque; int n; for (int i = 0; i < n; i++) { int a; cin >> a; pque.push(a); } int ans = pque.top(); pque.pop(); ans /= 2; while (!pque.empty()) { ans += pque.top(); pque.pop(); } cout << ans << endl; }
#include <algorithm> #include <iostream> #include <queue> #include <string> #include <vector> using namespace std; typedef long long Int; int main() { priority_queue<int> pque; int n; cin >> n; for (int i = 0; i < n; i++) { int a; cin >> a; pque.push(a); } int ans = pque.top(); pque.pop(); ans /= 2; while (!pque.empty()) { ans += pque.top(); pque.pop(); } cout << ans << endl; }
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p03207
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define ALL(v) (v).begin(), (v).end() #define REP(i, p, n) for (int i = p; i < (int)(n); ++i) #define rep(i, n) REP(i, 0, n) #define SZ(x) ((int)(x).size()) #define INF 999999999 typedef long long int Int; using ll = long long; using VI = vector<int>; int main() { int n; vector<int> a(n); for (auto &i : a) cin >> i; sort(a.begin(), a.end()); Int s = a.back(); s /= 2; a.pop_back(); a.push_back(s); Int ans = 0; for (auto &i : a) ans += i; cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; #define ALL(v) (v).begin(), (v).end() #define REP(i, p, n) for (int i = p; i < (int)(n); ++i) #define rep(i, n) REP(i, 0, n) #define SZ(x) ((int)(x).size()) #define INF 999999999 typedef long long int Int; using ll = long long; using VI = vector<int>; int main() { int n; cin >> n; int a[n]; rep(i, n) cin >> a[i]; sort(a, a + n); int ans = 0; rep(i, n - 1) ans += a[i]; cout << ans + (a[n - 1] / 2) << endl; }
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p03207
Python
Runtime Error
N = input() p = [int(input()) for i in range(N)] print(sum(p) - max(p) // 2)
N = int(input()) p = [int(input()) for i in range(N)] print(sum(p) - max(p) // 2)
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TypeError: 'str' object cannot be interpreted as an integer
Traceback (most recent call last): File "/home/alex/Documents/bug-detection/input/Project_CodeNet/data/p03207/Python/s736160846.py", line 2, in <module> p = [int(input()) for i in range(N)] TypeError: 'str' object cannot be interpreted as an integer
p03207
C++
Runtime Error
/* mytemplate.cpp {{{ */ /* header */ #include <bits/stdc++.h> using namespace std; /* rep */ #define GET_MACRO(_1, _2, _3, _4, NAME, ...) NAME #define rep(...) GET_MACRO(__VA_ARGS__, rep4, rep3, rep2, rep1)(__VA_ARGS__) #define rep1(n) rep2(_, n) #define rep2(i, n) rep3(i, 0, n) #define rep3(i, a, n) rep4(i, a, n, 1) #define rep4(i, a, n, s) for (ll i = (a); i < (ll)(n); i += (s)) #define per(...) GET_MACRO(__VA_ARGS__, per4, per3, per2, per1)(__VA_ARGS__) #define per1(a) per2(_, a) #define per2(i, a) per3(i, a, 0) #define per3(i, a, n) per4(i, a, n, 1) #define per4(i, a, n, s) for (ll i = (a)-1; i >= (ll)(n); i -= (s)) #define each(x, c) for (auto &&x : c) /* short */ #define pb push_back #define mp make_pair #define fi first #define se second #define all(c) (c).begin(), (c).end() #define len(c) ((ll)(c).size()) #define temp_T template <typename T> #define temp_TU template <typename T, typename U> /* debug */ #define debug(x) \ { cerr << #x << " = " << (x) << "\n"; } /* alias */ temp_T using vec = vector<T>; temp_T using heap = priority_queue<T>; temp_T using minheap = priority_queue<T, vec<T>, greater<T>>; using ll = long long; using str = string; using vi = vec<ll>; using vvi = vec<vi>; using vs = vec<str>; using vb = vec<bool>; using pii = pair<ll, ll>; using vp = vec<pii>; /* const */ const int INF = 1e9; const int MOD = 1e9 + 7; const double EPS = 1e-9; const double PI = acos(-1); const int dx[] = {0, 1, 0, -1, 1, 1, -1, -1}; const int dy[] = {1, 0, -1, 0, 1, -1, 1, -1}; /* function */ inline ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; } inline ll lcm(ll a, ll b) { return a * b / gcd(a, b); } bool isPrime(ll n) { if (n < 2) return false; rep(i, 2, (sqrt(n) + 1)) { if (n % i == 0) return false; } return true; } void eratosthenes(vb &primes) { rep(i, len(primes)) primes[i] = true; primes[0] = primes[1] = false; rep(i, len(primes) / 2 + 1) { if (primes[i]) { rep(j, i + i, len(primes), i) primes[j] = false; } } } inline ll minMultiple(ll a, ll n) { return n * (a / n + (a % n == 0 ? 0 : 1)); } vi listDivisors(ll n) { vi divs; rep(i, 1, sqrt(n) + 1) { if (n % i == 0) { divs.pb(i); divs.pb(n / i); } } sort(all(divs)); return divs; } map<ll, ll> primeFactorize(ll n) { map<ll, ll> prime_factors; ll m = n; rep(i, 2, sqrt(n) + 1) { if (m < 1) break; while (m % i == 0) { ++prime_factors[i]; m /= i; } } if (m != 1) ++prime_factors[m]; return prime_factors; } inline ll mod_add(ll a, ll b) { return (a + b) % MOD; } inline ll mod_sub(ll a, ll b) { return (a + MOD - b) % MOD; } inline ll mod_mul(ll a, ll b) { return ((a % MOD) * (b % MOD)) % MOD; } ll mod_pow(ll x, ll y) { if (y == 0) return 1; else if (y == 1) return x % MOD; else if (y % 2 == 0) { ll val = mod_pow(x, (ll)(y / 2)); return mod_mul(val, val); } else { ll val = mod_pow(x, (ll)(y / 2)); return mod_mul(mod_mul(val, val), x); } } ll mod_inv(ll x) { return mod_pow(x, MOD - 2); } ll mod_div(ll a, ll b) { return mod_mul(a, mod_inv(b)); } ll fact(ll n) { return n == 0 ? 1 : mod_mul(n, fact(n - 1)); } ll comb(ll n, ll r) { return fact(n) / fact(n - r) / fact(r); } temp_T inline bool chmax(T &a, const T b) { if (a < b) a = b; return a < b; } temp_T inline bool chmin(T &a, const T b) { if (a > b) a = b; return a > b; } template <typename T = ll> inline T in() { T x; cin >> x; return x; } temp_T inline void print(const T &x) { cout << x << "\n"; } temp_T inline void print(const vector<T> &v) { rep(i, len(v)) cout << v[i] << (i != len(v) - 1 ? " " : "\n"); } temp_T inline void print(const vector<vector<T>> &vv) { rep(j, len(vv)) print(vv[j]); } temp_TU inline void print(const pair<T, U> &p) { cout << p.fi << " " << p.se << "\n"; } temp_TU inline void print(const vector<pair<T, U>> &vp) { rep(i, len(vp)) print(vp[i]); } temp_TU inline void print(const map<T, U> &d) { each(x, d) print(x); } /* init */ struct Init { Init() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(10); } } init; /* }}} */ //----------------------------------------------------------------------------- int main() { ll N = in(); vi P; rep(i, N) P[i] = in(); print(accumulate(all(P), 0) - *max_element(all(P)) / 2); }
/* mytemplate.cpp {{{ */ /* header */ #include <bits/stdc++.h> using namespace std; /* rep */ #define GET_MACRO(_1, _2, _3, _4, NAME, ...) NAME #define rep(...) GET_MACRO(__VA_ARGS__, rep4, rep3, rep2, rep1)(__VA_ARGS__) #define rep1(n) rep2(_, n) #define rep2(i, n) rep3(i, 0, n) #define rep3(i, a, n) rep4(i, a, n, 1) #define rep4(i, a, n, s) for (ll i = (a); i < (ll)(n); i += (s)) #define per(...) GET_MACRO(__VA_ARGS__, per4, per3, per2, per1)(__VA_ARGS__) #define per1(a) per2(_, a) #define per2(i, a) per3(i, a, 0) #define per3(i, a, n) per4(i, a, n, 1) #define per4(i, a, n, s) for (ll i = (a)-1; i >= (ll)(n); i -= (s)) #define each(x, c) for (auto &&x : c) /* short */ #define pb push_back #define mp make_pair #define fi first #define se second #define all(c) (c).begin(), (c).end() #define len(c) ((ll)(c).size()) #define temp_T template <typename T> #define temp_TU template <typename T, typename U> /* debug */ #define debug(x) \ { cerr << #x << " = " << (x) << "\n"; } /* alias */ temp_T using vec = vector<T>; temp_T using heap = priority_queue<T>; temp_T using minheap = priority_queue<T, vec<T>, greater<T>>; using ll = long long; using str = string; using vi = vec<ll>; using vvi = vec<vi>; using vs = vec<str>; using vb = vec<bool>; using pii = pair<ll, ll>; using vp = vec<pii>; /* const */ const int INF = 1e9; const int MOD = 1e9 + 7; const double EPS = 1e-9; const double PI = acos(-1); const int dx[] = {0, 1, 0, -1, 1, 1, -1, -1}; const int dy[] = {1, 0, -1, 0, 1, -1, 1, -1}; /* function */ inline ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; } inline ll lcm(ll a, ll b) { return a * b / gcd(a, b); } bool isPrime(ll n) { if (n < 2) return false; rep(i, 2, (sqrt(n) + 1)) { if (n % i == 0) return false; } return true; } void eratosthenes(vb &primes) { rep(i, len(primes)) primes[i] = true; primes[0] = primes[1] = false; rep(i, len(primes) / 2 + 1) { if (primes[i]) { rep(j, i + i, len(primes), i) primes[j] = false; } } } inline ll minMultiple(ll a, ll n) { return n * (a / n + (a % n == 0 ? 0 : 1)); } vi listDivisors(ll n) { vi divs; rep(i, 1, sqrt(n) + 1) { if (n % i == 0) { divs.pb(i); divs.pb(n / i); } } sort(all(divs)); return divs; } map<ll, ll> primeFactorize(ll n) { map<ll, ll> prime_factors; ll m = n; rep(i, 2, sqrt(n) + 1) { if (m < 1) break; while (m % i == 0) { ++prime_factors[i]; m /= i; } } if (m != 1) ++prime_factors[m]; return prime_factors; } inline ll mod_add(ll a, ll b) { return (a + b) % MOD; } inline ll mod_sub(ll a, ll b) { return (a + MOD - b) % MOD; } inline ll mod_mul(ll a, ll b) { return ((a % MOD) * (b % MOD)) % MOD; } ll mod_pow(ll x, ll y) { if (y == 0) return 1; else if (y == 1) return x % MOD; else if (y % 2 == 0) { ll val = mod_pow(x, (ll)(y / 2)); return mod_mul(val, val); } else { ll val = mod_pow(x, (ll)(y / 2)); return mod_mul(mod_mul(val, val), x); } } ll mod_inv(ll x) { return mod_pow(x, MOD - 2); } ll mod_div(ll a, ll b) { return mod_mul(a, mod_inv(b)); } ll fact(ll n) { return n == 0 ? 1 : mod_mul(n, fact(n - 1)); } ll comb(ll n, ll r) { return fact(n) / fact(n - r) / fact(r); } temp_T inline bool chmax(T &a, const T b) { if (a < b) a = b; return a < b; } temp_T inline bool chmin(T &a, const T b) { if (a > b) a = b; return a > b; } template <typename T = ll> inline T in() { T x; cin >> x; return x; } temp_T inline void print(const T &x) { cout << x << "\n"; } temp_T inline void print(const vector<T> &v) { rep(i, len(v)) cout << v[i] << (i != len(v) - 1 ? " " : "\n"); } temp_T inline void print(const vector<vector<T>> &vv) { rep(j, len(vv)) print(vv[j]); } temp_TU inline void print(const pair<T, U> &p) { cout << p.fi << " " << p.se << "\n"; } temp_TU inline void print(const vector<pair<T, U>> &vp) { rep(i, len(vp)) print(vp[i]); } temp_TU inline void print(const map<T, U> &d) { each(x, d) print(x); } /* init */ struct Init { Init() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(10); } } init; /* }}} */ //----------------------------------------------------------------------------- int main() { ll N = in(); vi P(N); rep(i, N) P[i] = in(); print(accumulate(all(P), 0) - *max_element(all(P)) / 2); }
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p03207
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int main() { int N; vector<int> p(N); for (int i = 0; i < N; i++) { cin >> p.at(i); } sort(p.begin(), p.end()); reverse(p.begin(), p.end()); p.at(0) /= 2; int sum = 0; for (int i = 0; i < N; i++) { sum += p.at(i); } cout << sum; }
#include <bits/stdc++.h> using namespace std; int main() { int N; cin >> N; vector<int> p(N); for (int i = 0; i < N; i++) { cin >> p.at(i); } sort(p.begin(), p.end()); reverse(p.begin(), p.end()); p.at(0) /= 2; int sum = 0; for (int i = 0; i < N; i++) { sum += p.at(i); } cout << sum; }
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0
p03207
C++
Runtime Error
#include <bits/stdc++.h> #include <cmath> #include <cstdlib> using namespace std; int main() { int N; cin >> N; vector<int> K; for (int i = 0; i < N; i++) { cin >> K.at(i); } sort(K.begin(), K.end()); K.at(N - 1) /= 2; int H = 0; for (int i = 0; i < N; i++) { H += K.at(i); } cout << H << endl; }
#include <bits/stdc++.h> #include <cmath> #include <cstdlib> using namespace std; int main() { int N; cin >> N; vector<int> K(N); for (int i = 0; i < N; i++) { cin >> K.at(i); } sort(K.begin(), K.end()); K.at(N - 1) /= 2; int H = 0; for (int i = 0; i < N; i++) { H += K.at(i); } cout << H << endl; }
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terminate called after throwing an instance of 'std::out_of_range' what(): vector::_M_range_check: __n (which is 0) >= this->size() (which is 0)
p03207
C++
Runtime Error
// AUTHOR:BlackBox Inc.// #include <bits/stdc++.h> #include <tr1/unordered_map> #include <unordered_map> #define ll long long #define ull unsigned long long #define vi vector<int> #define vlli vector<long long int> #define vvi vector<vector<int>> #define endl "\n" #define vpii vector<pair<int, int>> #define vs vector<string> #define lin1(x) \ ll int x; \ x = scan(); #define lin2(x, y) \ ll int x, y; \ x = scan(), y = scan(); #define lin3(x, y, z) \ ll int x, y, z; \ x = scan(), y = scan(), z = scan(); #define pb(x) push_back(x) #define makep(x, y) make_pair(x, y) #define mx(a, b) (a) > (b) ? (a) : (b) #define mn(a, b) (a) < (b) ? (a) : (b) #define fori(s, e) for (i = s; i <= e; i++) #define forj(s, e) for (j = s; j <= e; j++) #define fork(s, e) for (k = s; k <= e; k++) #define rep(i, s, e) for (int i = s; i <= e; i++) #define brep(i, s, e) for (int i = s; i >= e; i--) #define all(x) x.begin(), x.end() #define mem(x, y) memset(x, y, sizeof(x)); #define bits1(x) __builtin_popcount(x) #define pi 3.14159265358979323846264338327950 #define MOD7 1000000007 #define MOD9 1000000009 #define cn cin >> #define co cout << #define fast \ std::ios::sync_with_stdio(false); \ cin.tie(NULL); \ cout.tie(NULL) using namespace std; using namespace std::tr1; int main() { #ifndef RAHUL freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif long long x; cin >> x; std::vector<int> v(x); for (int i = 0; i < x; ++i) { /* code */ cin >> v[i]; } sort(v.begin(), v.end()); int raj = v[x - 1] / 2; int sum = 0; for (int i = 0; i < x - 1; ++i) { /* code */ sum += v[i]; } cout << sum + raj << endl; return 0; }
// AUTHOR:BlackBox Inc.// #include <bits/stdc++.h> #include <tr1/unordered_map> #include <unordered_map> #define ll long long #define ull unsigned long long #define vi vector<int> #define vlli vector<long long int> #define vvi vector<vector<int>> #define endl "\n" #define vpii vector<pair<int, int>> #define vs vector<string> #define lin1(x) \ ll int x; \ x = scan(); #define lin2(x, y) \ ll int x, y; \ x = scan(), y = scan(); #define lin3(x, y, z) \ ll int x, y, z; \ x = scan(), y = scan(), z = scan(); #define pb(x) push_back(x) #define makep(x, y) make_pair(x, y) #define mx(a, b) (a) > (b) ? (a) : (b) #define mn(a, b) (a) < (b) ? (a) : (b) #define fori(s, e) for (i = s; i <= e; i++) #define forj(s, e) for (j = s; j <= e; j++) #define fork(s, e) for (k = s; k <= e; k++) #define rep(i, s, e) for (int i = s; i <= e; i++) #define brep(i, s, e) for (int i = s; i >= e; i--) #define all(x) x.begin(), x.end() #define mem(x, y) memset(x, y, sizeof(x)); #define bits1(x) __builtin_popcount(x) #define pi 3.14159265358979323846264338327950 #define MOD7 1000000007 #define MOD9 1000000009 #define cn cin >> #define co cout << #define fast \ std::ios::sync_with_stdio(false); \ cin.tie(NULL); \ cout.tie(NULL) using namespace std; using namespace std::tr1; int main() { long long x; cin >> x; std::vector<int> v(x); for (int i = 0; i < x; ++i) { /* code */ cin >> v[i]; } sort(v.begin(), v.end()); int raj = v[x - 1] / 2; int sum = 0; for (int i = 0; i < x - 1; ++i) { /* code */ sum += v[i]; } cout << sum + raj << endl; return 0; }
delete
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-6
terminate called after throwing an instance of 'std::bad_alloc' what(): std::bad_alloc
p03208
C++
Time Limit Exceeded
#include <algorithm> #include <cmath> #include <functional> #include <iomanip> #include <iostream> #include <limits.h> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <tuple> #include <vector> using namespace std; #define ll long long #define ull unsigned long long #define rep(i, N) for (int i = 0; i < N; i++) #define loop(i, N, M) for (int i = N; i < M; i++) #define MAX(v) *max_element(v.begin(), v.end()) #define MIN(v) *min_element(v.begin(), v.end()) #define SORTL2S(type, v) sort(v.begin(), v.end(), greater<type>()) #define SORTS2L(type, v) sort(v.begin(), v.end()) #define SORTMF(v, func) sort(v.begin(), v.end(), func) // 変数 ll N, K; vector<ll> vec; // 解法 void solve() { SORTS2L(ll, vec); ll ans = vec[N - 1] - vec[0]; for (ll i = 0; i <= N - K; ++i) { ll maxx = *max_element(vec.begin() + i, vec.begin() + i + K); ll minn = *min_element(vec.begin() + i, vec.begin() + i + K); ans = min(ans, maxx - minn); } cout << ans; return; } int main() { // 入力 cin >> N >> K; vec.resize(N); rep(i, N) cin >> vec[i]; solve(); cout << endl; return 0; }
#include <algorithm> #include <cmath> #include <functional> #include <iomanip> #include <iostream> #include <limits.h> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <tuple> #include <vector> using namespace std; #define ll long long #define ull unsigned long long #define rep(i, N) for (int i = 0; i < N; i++) #define loop(i, N, M) for (int i = N; i < M; i++) #define MAX(v) *max_element(v.begin(), v.end()) #define MIN(v) *min_element(v.begin(), v.end()) #define SORTL2S(type, v) sort(v.begin(), v.end(), greater<type>()) #define SORTS2L(type, v) sort(v.begin(), v.end()) #define SORTMF(v, func) sort(v.begin(), v.end(), func) // 変数 ll N, K; vector<ll> vec; // 解法 void solve() { SORTS2L(ll, vec); ll ans = vec[N - 1] - vec[0]; for (ll i = 0; i <= N - K; ++i) { ans = min(ans, vec[i + K - 1] - vec[i]); } cout << ans; return; } int main() { // 入力 cin >> N >> K; vec.resize(N); rep(i, N) cin >> vec[i]; solve(); cout << endl; return 0; }
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TLE
p03208
C++
Runtime Error
#include <algorithm> #include <cmath> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <stack> #include <string> #include <vector> using namespace std; int main() { int n, k; cin >> n >> k; vector<long long> h; long long l; for (int i = 0; i < n; i++) { cin >> l; h.push_back(l); } sort(h.begin(), h.end()); long long ans = 1000000001; for (int i = 0; i < k; i++) { ans = min(ans, h[k - 1 + i] - h[i]); } cout << ans << endl; return 0; }
#include <algorithm> #include <cmath> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <stack> #include <string> #include <vector> using namespace std; int main() { int n, k; cin >> n >> k; vector<long long> h; long long l; for (int i = 0; i < n; i++) { cin >> l; h.push_back(l); } sort(h.begin(), h.end()); long long ans = 1000000001; for (int i = 0; i <= n - k; i++) { ans = min(ans, h[k - 1 + i] - h[i]); } cout << ans << endl; return 0; }
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p03208
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define IOS \ ios::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); #define endl "\n" #define ll long long #define int long long #define double long double #define max(a, b) (a > b ? a : b) #define min(a, b) (a < b ? a : b) #define mkp make_pair #define pb push_back #define inf INT_MAX int32_t main() { #ifndef ONLINE_JUDGE freopen("in.txt", "r", stdin); freopen("out.txt", "w", stdout); #endif IOS int n, k; cin >> n >> k; // max-min of k-th size window in the sorted array! std::vector<int> v(n, 0); for (int i = 0; i < n; i++) cin >> v[i]; sort(v.begin(), v.end()); int ans = v[k - 1] - v[0]; for (int i = k; i < n; i++) { int diff = v[i] - v[i - k + 1]; ans = min(ans, diff); } cout << ans; return 0; }
#include <bits/stdc++.h> using namespace std; #define IOS \ ios::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); #define endl "\n" #define ll long long #define int long long #define double long double #define max(a, b) (a > b ? a : b) #define min(a, b) (a < b ? a : b) #define mkp make_pair #define pb push_back #define inf INT_MAX int32_t main() { IOS int n, k; cin >> n >> k; // max-min of k-th size window in the sorted array! std::vector<int> v(n, 0); for (int i = 0; i < n; i++) cin >> v[i]; sort(v.begin(), v.end()); int ans = v[k - 1] - v[0]; for (int i = k; i < n; i++) { int diff = v[i] - v[i - k + 1]; ans = min(ans, diff); } cout << ans; return 0; }
delete
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-6
terminate called after throwing an instance of 'std::length_error' what(): cannot create std::vector larger than max_size()
p03208
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; const int N = 15; int n, k, a[N], ans; int main() { ios::sync_with_stdio(false); ans = 0x3f3f3f3f; cin >> n >> k; for (int i = 1; i <= n; ++i) cin >> a[i]; sort(a + 1, a + 1 + n); for (int i = 1; i <= n - k + 1; ++i) ans = min(ans, a[i + k - 1] - a[i]); cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 5; int n, k, a[N], ans; int main() { ios::sync_with_stdio(false); ans = 0x3f3f3f3f; cin >> n >> k; for (int i = 1; i <= n; ++i) cin >> a[i]; sort(a + 1, a + 1 + n); for (int i = 1; i <= n - k + 1; ++i) ans = min(ans, a[i + k - 1] - a[i]); cout << ans << endl; return 0; }
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p03208
C++
Time Limit Exceeded
#include <algorithm> #include <iostream> #include <vector> using namespace std; int main() { int n, k; cin >> n >> k; vector<int> h(n); for (auto &&e : h) cin >> e; sort(h.begin(), h.end()); vector<int> c(n - (k - 1)); for (int i = 0; i + k <= n; ++i) { for (int j = 1; j < k; ++j) { c[i] += h[i + j] - h[i + j - 1]; } } sort(c.begin(), c.end()); cout << c[0] << endl; }
#include <algorithm> #include <iostream> #include <vector> using namespace std; int main() { int n, k; cin >> n >> k; vector<int> h(n); for (auto &&e : h) cin >> e; sort(h.begin(), h.end()); vector<int> c(n - (k - 1)); for (int i = 0; i + k <= n; ++i) c[i] = h[i + (k - 1)] - h[i]; sort(c.begin(), c.end()); cout << c[0] << endl; }
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TLE
p03208
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define lp(i, n) for (int i = 0; i < n; i++) #define pb push_back #define ll long long #define ii pair<string, int> ii; string IntToStr(int tmp) { ostringstream out; out << tmp; return out.str(); } int main() { int n, k; cin >> n >> k; vector<ll> v; while (n--) { ll x; cin >> x; v.pb(x); } sort(v.begin(), v.end()); int len = v.size(); ll min = 100000000000000; for (int i = 0; i < len; i++) { ll kk = abs(v[i] - v[i + k - 1]); if (min > kk) min = kk; } cout << min << endl; }
#include <bits/stdc++.h> using namespace std; #define lp(i, n) for (int i = 0; i < n; i++) #define pb push_back #define ll long long #define ii pair<string, int> ii; string IntToStr(int tmp) { ostringstream out; out << tmp; return out.str(); } int main() { int n, k; cin >> n >> k; vector<ll> v; while (n--) { ll x; cin >> x; v.pb(x); } sort(v.begin(), v.end()); int len = v.size(); ll min = 100000000000000; for (int i = 0; i < len - k + 1; i++) { ll kk = abs(v[i] - v[i + k - 1]); if (min > kk) min = kk; } cout << min << endl; }
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0
p03208
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; typedef long long ll; int n, k; const int max_n = 1e6; ll h[max_n]; void solve() { ll mi = 1e10; for (int i = 0; i < n; i++) { ll mmi = 1e10; ll mma = -1; for (int j = i; j < i + k; j++) { mmi = min(mmi, h[j]); mma = max(mma, h[j]); } mi = min(mi, mma - mmi); } cout << mi << endl; } int main() { cin >> n >> k; for (int i = 0; i < n; i++) { cin >> h[i]; } sort(h, h + n); solve(); return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; int n, k; const int max_n = 1e6; ll h[max_n]; void solve() { ll mi = 1e10; for (int i = 0; i <= n - k; i++) { ll mma = h[i + k - 1]; ll mmi = h[i]; mi = min(mi, mma - mmi); } cout << mi << endl; } int main() { cin >> n >> k; for (int i = 0; i < n; i++) { cin >> h[i]; } sort(h, h + n); solve(); return 0; }
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TLE
p03208
C++
Time Limit Exceeded
#include <algorithm> #include <iostream> #include <numeric> #include <stdio.h> #include <string.h> #include <vector> using namespace std; typedef long long int lli; #define urept(soeji, start, n) for (int soeji = start; soeji < n; soeji++) #define drept(soeji, start, n) for (int soeji = start; soeji > n; soeji--) int main(void) { int N, K; cin >> N >> K; vector<lli> h; lli x; for (int i = 0; i < N; i++) { cin >> x; h.push_back(x); } vector<lli> hcopy; hcopy = h; sort(h.begin(), h.end()); sort(hcopy.begin(), hcopy.end()); hcopy.erase(unique(hcopy.begin(), hcopy.end()), hcopy.end()); if (hcopy.size() == N - K) { cout << "0" << endl; return 0; } else { lli minx = h[K - 1] - h[0]; vector<lli> hd; for (int i = 0; i < N - K + 1; i++) { for (int j = i; j <= i + K - 1; j++) { hd.push_back(h[j]); } minx = min(hd[hd.size() - 1] - hd[0], minx); hd.erase(hd.begin(), hd.end()); } cout << minx << endl; } return 0; }
#include <algorithm> #include <iostream> #include <numeric> #include <stdio.h> #include <string.h> #include <vector> using namespace std; typedef long long int lli; #define urept(soeji, start, n) for (int soeji = start; soeji < n; soeji++) #define drept(soeji, start, n) for (int soeji = start; soeji > n; soeji--) int main(void) { int N, K; cin >> N >> K; vector<lli> h; lli x; for (int i = 0; i < N; i++) { cin >> x; h.push_back(x); } vector<lli> hcopy; hcopy = h; sort(h.begin(), h.end()); sort(hcopy.begin(), hcopy.end()); hcopy.erase(unique(hcopy.begin(), hcopy.end()), hcopy.end()); if (hcopy.size() == N - K) { cout << "0" << endl; return 0; } else { lli minx = h[K - 1] - h[0]; vector<lli> hd; for (int i = 0; i < N - K + 1; i++) { /*for (int j = i; j <= i + K - 1; j++) { hd.push_back(h[j]); }*/ lli max = h[i + K - 1]; lli tmp = h[i]; minx = min(max - tmp, minx); // hd.erase(hd.begin(), hd.end()); } cout << minx << endl; } return 0; }
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TLE
p03208
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int main() { int n, k, a[10000], ans = 2000000000; cin >> n >> k; for (int i = 0; i < n; i++) { cin >> a[i]; } sort(a, a + n); for (int i = 0; i < n - k + 1; i++) { ans = min(ans, a[i + k - 1] - a[i]); } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; int main() { int n, k, a[100000], ans = 2000000000; cin >> n >> k; for (int i = 0; i < n; i++) { cin >> a[i]; } sort(a, a + n); for (int i = 0; i < n - k + 1; i++) { ans = min(ans, a[i + k - 1] - a[i]); } cout << ans << endl; }
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0
p03208
C++
Runtime Error
#include <bits/stdc++.h> #include <chrono> #define watch(x) cout << (#x) << " is " << (x) << endl #define eps 1e-9 #define f first #define s second typedef long long ll; using namespace std; const int N = 1e5; int a[N + 5]; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int n, k, ans = INT_MAX; cin >> n >> k; k--; int arr[n]; for (int i = 0; i < n; i++) cin >> arr[i]; sort(arr, arr + n); for (int i = 0; i < n; i++) { ans = min(ans, arr[i + k] - arr[i]); } cout << ans; return 0; }
#include <bits/stdc++.h> #include <chrono> #define watch(x) cout << (#x) << " is " << (x) << endl #define eps 1e-9 #define f first #define s second typedef long long ll; using namespace std; const int N = 1e5; int a[N + 5]; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int n, k, ans = INT_MAX; cin >> n >> k; k--; int arr[n]; for (int i = 0; i < n; i++) cin >> arr[i]; sort(arr, arr + n); for (int i = 0; i < n - k; i++) { ans = min(ans, arr[i + k] - arr[i]); } cout << ans; return 0; }
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p03208
C++
Runtime Error
#define _GLIBCXX_DEBUG #include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (n); i++) #define rep2(i, x, n) for (int i = x; i < (n); i++) #define all(n) begin(n), end(n) struct cww { cww() { ios::sync_with_stdio(false); cin.tie(0); } } star; const long long inf = numeric_limits<long long>::max(); int main() { int n, k; cin >> n >> k; vector<int> seq(n); rep(i, n) { cin >> seq[i]; } sort(seq.begin(), seq.end()); int ans = 100000; rep(i, n - k + 1) { ans = min(ans, abs(seq[i] - seq[i + 2])); } cout << ans << endl; return 0; }
#define _GLIBCXX_DEBUG #include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (n); i++) #define rep2(i, x, n) for (int i = x; i < (n); i++) #define all(n) begin(n), end(n) struct cww { cww() { ios::sync_with_stdio(false); cin.tie(0); } } star; const long long inf = numeric_limits<long long>::max(); int main() { int n, k; cin >> n >> k; vector<int> seq(n); rep(i, n) { cin >> seq[i]; } sort(seq.begin(), seq.end()); long long ans = inf; rep(i, n - k + 1) { ans = min(ans, (long long)abs(seq[i] - seq[i + k - 1])); } cout << ans << endl; return 0; }
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p03208
C++
Runtime Error
#include <bits/stdc++.h> #define rep(i, a, b) for (int i = a; i < b; i++) #define rrep(i, a, b) for (int i = a; i >= b; i--) #define fore(i, a) for (auto &i : a) #define all(x) (x).begin(), (x).end() #pragma GCC optimize("-O3") using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); } typedef long long ll; const int inf = INT_MAX / 2; const ll infl = 1LL << 60; template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return 1; } return 0; } int N, K; ll h[100000]; void _main() { cin >> N >> K; rep(i, 0, N) cin >> h[i]; sort(h, h + N); ll ans = infl; for (int a = 0, b = K - 1; a < K; a++, b++) chmin(ans, h[b] - h[a]); cout << ans << "\n"; }
#include <bits/stdc++.h> #define rep(i, a, b) for (int i = a; i < b; i++) #define rrep(i, a, b) for (int i = a; i >= b; i--) #define fore(i, a) for (auto &i : a) #define all(x) (x).begin(), (x).end() #pragma GCC optimize("-O3") using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); } typedef long long ll; const int inf = INT_MAX / 2; const ll infl = 1LL << 60; template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return 1; } return 0; } int N, K; ll h[100000]; void _main() { cin >> N >> K; rep(i, 0, N) cin >> h[i]; sort(h, h + N); ll ans = infl; rep(i, 0, N - K + 1) chmin(ans, h[i + K - 1] - h[i]); cout << ans << "\n"; }
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p03208
C++
Time Limit Exceeded
#include <algorithm> #include <bitset> #include <cmath> #include <iostream> #include <queue> #include <set> #include <string> #include <vector> using namespace std; #define rep(i, N) for (int(i) = 0; (i) < (N); (i)++) typedef long long ll; typedef pair<int, int> pii; int ans = 0; vector<int> ps = {3, 5, 7}; ll N; void dfs(ll n, ll b) { if (n <= N && b == 7) { ans++; } if (n > N) { return; } rep(i, ps.size()) { ll nb = b | (1 << i); ll nn = 10 * n + 1L * ps[i]; dfs(nn, nb); } return; } int main() { int N, K; cin >> N >> K; vector<int> hs(N); rep(i, N) { cin >> hs[i]; } sort(hs.begin(), hs.end()); int ans = 1e9; for (int i = 0; i < N; i++) { for (int j = i + K - 1; j < N; j++) { int tmp = hs[j] - hs[i]; ans = min(tmp, ans); } } cout << ans << endl; return 0; }
#include <algorithm> #include <bitset> #include <cmath> #include <iostream> #include <queue> #include <set> #include <string> #include <vector> using namespace std; #define rep(i, N) for (int(i) = 0; (i) < (N); (i)++) typedef long long ll; typedef pair<int, int> pii; int ans = 0; vector<int> ps = {3, 5, 7}; ll N; void dfs(ll n, ll b) { if (n <= N && b == 7) { ans++; } if (n > N) { return; } rep(i, ps.size()) { ll nb = b | (1 << i); ll nn = 10 * n + 1L * ps[i]; dfs(nn, nb); } return; } int main() { int N, K; cin >> N >> K; vector<int> hs(N); rep(i, N) { cin >> hs[i]; } sort(hs.begin(), hs.end()); int ans = 1e9; for (int i = 0; i + K - 1 < N; i++) { int tmp = hs[i + K - 1] - hs[i]; ans = min(tmp, ans); } cout << ans << endl; return 0; }
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p03208
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; typedef long long ll; const double pi = 3.14159265358979323846; #define rep(i, n) for (ll i = 0; i < n; i++) #define mod 1000000007LL #define PS(p) cout << setprecision(15) << fixed << p << endl; #define UNIQUE(v) v.erase(std::unique(v.begin(), v.end()), v.end()); #define ALL(c) c.begin(), c.end() #define CIN(v) cin >> v; #define COUT(v) cout << v << endl; int main() { int N, K; CIN(N >> K); int h[N]; for (int i = 0; i < N; i++) { cin >> h[i]; } sort(h, h + N); int result = INT_MAX; for (int i = 0; i < N; i++) { int maxV = 0; int minV = INT_MAX; if (N < i + K) { // COUT("break " << i << " " << K) break; } for (int j = i; j < i + K; j++) { maxV = max(maxV, h[j]); minV = min(minV, h[j]); // COUT("h[j]" << h[j] << "max " << maxV << " minv " << minV); } result = min(result, maxV - minV); } COUT(result); return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; const double pi = 3.14159265358979323846; #define rep(i, n) for (ll i = 0; i < n; i++) #define mod 1000000007LL #define PS(p) cout << setprecision(15) << fixed << p << endl; #define UNIQUE(v) v.erase(std::unique(v.begin(), v.end()), v.end()); #define ALL(c) c.begin(), c.end() #define CIN(v) cin >> v; #define COUT(v) cout << v << endl; int main() { int N, K; CIN(N >> K); int h[N]; for (int i = 0; i < N; i++) { cin >> h[i]; } sort(h, h + N); int result = INT_MAX; for (int i = 0; i < N; i++) { int maxV = 0; int minV = INT_MAX; if (N < i + K) { // COUT("break " << i << " " << K) break; } result = min(result, h[i + K - 1] - h[i]); } COUT(result); return 0; }
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TLE
p03208
C++
Runtime Error
#include <algorithm> // min, max, swap, sort, reverse, lower_bound, upper_bound #include <algorithm> #include <bitset> // bitset #include <cctype> // isupper, islower, isdigit, toupper, tolower #include <cstdint> // int64_t, int*_t #include <cstdio> // printf #include <deque> // deque #include <functional> #include <iostream> // cout, endl, cin #include <map> // map #include <queue> // queue, priority_queue #include <set> // set #include <stack> // stack #include <string> // string, to_string, stoi #include <tuple> // tuple, make_tuple #include <unordered_map> // unordered_map #include <unordered_set> // unordered_set #include <utility> // pair, make_pair #include <vector> // vector using namespace std; int main() { int i, j; int N, K; long long diff = 9223372036854775807; long long temp; cin >> N >> K; vector<long long> H(N); for (i = 0; i < N; i++) { cin >> H.at(i); } /* 数値を降順にソート */ sort(H.begin(), H.end(), greater<long long>()); for (i = 0; i < N + K - 1; i++) { temp = H.at(i) - H.at(i + K - 1); if (temp < diff) { diff = temp; } } cout << diff << endl; return 0; }
#include <algorithm> // min, max, swap, sort, reverse, lower_bound, upper_bound #include <algorithm> #include <bitset> // bitset #include <cctype> // isupper, islower, isdigit, toupper, tolower #include <cstdint> // int64_t, int*_t #include <cstdio> // printf #include <deque> // deque #include <functional> #include <iostream> // cout, endl, cin #include <map> // map #include <queue> // queue, priority_queue #include <set> // set #include <stack> // stack #include <string> // string, to_string, stoi #include <tuple> // tuple, make_tuple #include <unordered_map> // unordered_map #include <unordered_set> // unordered_set #include <utility> // pair, make_pair #include <vector> // vector using namespace std; int main() { int i, j; int N, K; long long diff = 9223372036854775807; long long temp; cin >> N >> K; vector<long long> H(N); for (i = 0; i < N; i++) { cin >> H.at(i); } /* 数値を降順にソート */ sort(H.begin(), H.end(), greater<long long>()); for (i = 0; i < N - K + 1; i++) { temp = H.at(i) - H.at(i + K - 1); if (temp < diff) { diff = temp; } } cout << diff << endl; return 0; }
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terminate called after throwing an instance of 'std::out_of_range' what(): vector::_M_range_check: __n (which is 5) >= this->size() (which is 5)
p03208
C++
Time Limit Exceeded
#include <algorithm> #include <cstdio> #include <vector> #define rep(i, n) for (int i = 0; i < n; i++) typedef long long ll; using namespace std; int K, N; vector<ll> min_list; int main() { scanf("%d%d", &N, &K); ll h[N]; rep(i, N) { scanf("%lld", &h[i]); } sort(h, h + N); for (int i = 0; i < N - K + 1; i++) { vector<ll> temp; rep(j, K) temp.push_back(h[i + j]); ll min = temp.front(); ll max = temp.back(); min_list.push_back(max - min); } ll min = *min_element(min_list.begin(), min_list.end()); printf("%lld\n", min); return 0; }
#include <algorithm> #include <cstdio> #include <vector> #define rep(i, n) for (int i = 0; i < n; i++) typedef long long ll; using namespace std; int K, N; vector<ll> min_list; int main() { scanf("%d%d", &N, &K); ll h[N]; rep(i, N) { scanf("%lld", &h[i]); } sort(h, h + N); for (int i = 0; i < N - K + 1; i++) { ll min = h[i]; ll max = h[i + K - 1]; min_list.push_back(max - min); } ll min = *min_element(min_list.begin(), min_list.end()); printf("%lld\n", min); return 0; }
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p03208
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int main() { int N, K; cin >> N >> K; vector<int> h(N); for (int i = 0; i < N; i++) { cin >> h[i]; } sort(h.begin(), h.end()); vector<int> j(N - K + 1); for (int i = 0; i < N - K + 1; i++) { j[i] = j[i + K - 1] - j[i]; } sort(j.begin(), j.end()); cout << j[0] << endl; }
#include <bits/stdc++.h> using namespace std; int main() { int N, K; cin >> N >> K; vector<int> h(N); for (int i = 0; i < N; i++) { cin >> h[i]; } sort(h.begin(), h.end()); vector<int> j(N - K + 1); for (int i = 0; i < N - K + 2; i++) { j[i] = h[i + K - 1] - h[i]; } sort(j.begin(), j.end()); cout << j[0] << endl; }
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p03208
C++
Time Limit Exceeded
#include <algorithm> #include <complex> #include <cstdio> #include <cstdlib> #include <cstring> #include <deque> #include <iostream> #include <list> #include <map> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <vector> using namespace std; int main() { int N, K; cin >> N >> K; int h[N]; for (int i = 0; i < N; i++) { cin >> h[i]; } // sort for (int i = 0; i < N; i++) { for (int j = i; j < N; j++) { if (h[j] > h[i]) { int temp = h[i]; h[i] = h[j]; h[j] = temp; } } } int result = h[0] - h[K - 1]; for (int i = K; i < N; i++) { int local = h[i - K + 1] - h[i]; if (local < result) result = local; } cout << result << endl; }
#include <algorithm> #include <complex> #include <cstdio> #include <cstdlib> #include <cstring> #include <deque> #include <iostream> #include <list> #include <map> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <vector> using namespace std; int main() { int N, K; cin >> N >> K; int h[N]; for (int i = 0; i < N; i++) { cin >> h[i]; } // sort sort(h, h + N); int result = 1000000000; for (int i = K - 1; i < N; i++) { int local = h[i] - h[i - K + 1]; if (local < result) result = local; } cout << result << endl; }
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TLE
p03208
C++
Time Limit Exceeded
#include <bits/stdc++.h> using namespace std; #define DEBUG(x) cerr << #x << ": " << x << endl; #define DEBUG_VEC(v) \ cerr << #v << ":"; \ for (int i = 0; i < v.size(); i++) \ cerr << " " << v[i]; \ cerr << endl typedef long long ll; #define vi vector<int> #define vl vector<ll> #define vii vector<vector<int>> #define vll vector<vector<ll>> #define vs vector<string> #define pii pair<int, int> #define pis pair<int, string> #define psi pair<string, int> #define pll pair<ll, ll> template <class S, class T> pair<S, T> operator+(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first + t.first, s.second + t.second); } template <class S, class T> pair<S, T> operator-(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first - t.first, s.second - t.second); } template <class S, class T> ostream &operator<<(ostream &os, pair<S, T> p) { os << "(" << p.first << ", " << p.second << ")"; return os; } #define X first #define Y second #define rep(i, n) for (int i = 0; i < (n); i++) #define rep1(i, n) for (int i = 1; i <= (n); i++) #define rrep(i, n) for (int i = (n)-1; i >= 0; i--) #define rrep1(i, n) for (int i = (n); i > 0; i--) #define REP(i, a, b) for (int i = a; i < b; i++) #define in(x, a, b) (a <= x && x < b) #define all(c) c.begin(), c.end() template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (a > b) { a = b; return 1; } return 0; } #define UNIQUE(v) v.erase(std::unique(v.begin(), v.end()), v.end()); const ll inf = 1000000001; const ll INF = 1e18; const ll MOD = 1000000007; // const ll MOD = 998244353; const double pi = 3.14159265358979323846; #define Sp(p) cout << setprecision(15) << fixed << p; int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1}; int dx2[8] = {1, 1, 0, -1, -1, -1, 0, 1}, dy2[8] = {0, 1, 1, 1, 0, -1, -1, -1}; #define fio() \ cin.tie(0); \ ios::sync_with_stdio(false); // #define mp make_pair int main() { int n, k; cin >> n >> k; vl h(n); rep(i, n) { cin >> h[i]; } sort(all(h)); int i = 0, j = k - 1; ll ans = INF; while (j < n) { ans = min(ans, h[j] - h[i]); } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; #define DEBUG(x) cerr << #x << ": " << x << endl; #define DEBUG_VEC(v) \ cerr << #v << ":"; \ for (int i = 0; i < v.size(); i++) \ cerr << " " << v[i]; \ cerr << endl typedef long long ll; #define vi vector<int> #define vl vector<ll> #define vii vector<vector<int>> #define vll vector<vector<ll>> #define vs vector<string> #define pii pair<int, int> #define pis pair<int, string> #define psi pair<string, int> #define pll pair<ll, ll> template <class S, class T> pair<S, T> operator+(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first + t.first, s.second + t.second); } template <class S, class T> pair<S, T> operator-(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first - t.first, s.second - t.second); } template <class S, class T> ostream &operator<<(ostream &os, pair<S, T> p) { os << "(" << p.first << ", " << p.second << ")"; return os; } #define X first #define Y second #define rep(i, n) for (int i = 0; i < (n); i++) #define rep1(i, n) for (int i = 1; i <= (n); i++) #define rrep(i, n) for (int i = (n)-1; i >= 0; i--) #define rrep1(i, n) for (int i = (n); i > 0; i--) #define REP(i, a, b) for (int i = a; i < b; i++) #define in(x, a, b) (a <= x && x < b) #define all(c) c.begin(), c.end() template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (a > b) { a = b; return 1; } return 0; } #define UNIQUE(v) v.erase(std::unique(v.begin(), v.end()), v.end()); const ll inf = 1000000001; const ll INF = 1e18; const ll MOD = 1000000007; // const ll MOD = 998244353; const double pi = 3.14159265358979323846; #define Sp(p) cout << setprecision(15) << fixed << p; int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1}; int dx2[8] = {1, 1, 0, -1, -1, -1, 0, 1}, dy2[8] = {0, 1, 1, 1, 0, -1, -1, -1}; #define fio() \ cin.tie(0); \ ios::sync_with_stdio(false); // #define mp make_pair int main() { int n, k; cin >> n >> k; vl h(n); rep(i, n) { cin >> h[i]; } sort(all(h)); int i = 0, j = k - 1; ll ans = INF; while (j < n) { ans = min(ans, h[j] - h[i]); i++; j++; } cout << ans << endl; }
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TLE
p03208
C++
Runtime Error
#include <algorithm> #include <iostream> #include <stdio.h> #include <string> using namespace std; int main() { int K, N; cin >> N >> K; long long h[11000]; for (int i = 0; i < N; i++) { cin >> h[i]; } sort(h, h + N); long long min = 1000000000; for (int i = 0; i + K - 1 < N; i++) { if (h[i + K - 1] - h[i] < min) min = h[i + K - 1] - h[i]; } cout << min << endl; }
#include <algorithm> #include <iostream> #include <stdio.h> #include <string> using namespace std; int main() { int K, N; cin >> N >> K; long long h[110000]; for (int i = 0; i < N; i++) { cin >> h[i]; } sort(h, h + N); long long min = 1000000000; for (int i = 0; i + K - 1 < N; i++) { if (h[i + K - 1] - h[i] < min) min = h[i + K - 1] - h[i]; } cout << min << endl; }
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p03208
C++
Runtime Error
#include <bits/stdc++.h> #include <cmath> #include <cstdio> #include <cstring> #include <iostream> using namespace std; typedef long long ll; ll a[1005]; int Min = 0x3f3f3f3f; int main() { int n, k; scanf("%d%d", &n, &k); for (int i = 0; i < n; i++) { scanf("%d", &a[i]); } sort(a, a + n); for (int i = k - 1; i < n; i++) { int temp = a[i] - a[i - k + 1]; Min = min(Min, temp); } printf("%d\n", Min); return 0; }
#include <bits/stdc++.h> #include <cmath> #include <cstdio> #include <cstring> #include <iostream> using namespace std; typedef long long ll; int a[100005]; int Min = 0x3f3f3f3f; int main() { int n, k; scanf("%d%d", &n, &k); for (int i = 0; i < n; i++) { scanf("%d", &a[i]); } sort(a, a + n); for (int i = k - 1; i < n; i++) { int temp = a[i] - a[i - k + 1]; Min = min(Min, temp); } printf("%d\n", Min); return 0; }
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p03208
C++
Runtime Error
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); i++) #define all(v) v.begin(), v.end() using namespace std; using ll = long long; using P = pair<ll, ll>; using vl = vector<ll>; using vvl = vector<vl>; int main() { int n, k; cin >> n >> k; vl h(n); rep(i, n) cin >> h[i]; sort(all(h)); set<int> g; rep(i, n - 2) { g.insert(h[i + k - 1] - h[i]); } cout << *begin(g) << endl; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); i++) #define all(v) v.begin(), v.end() using namespace std; using ll = long long; using P = pair<ll, ll>; using vl = vector<ll>; using vvl = vector<vl>; int main() { int n, k; cin >> n >> k; vl h(n); rep(i, n) cin >> h[i]; sort(all(h)); set<int> g; rep(i, n - k + 1) { g.insert(h[i + k - 1] - h[i]); } cout << *begin(g) << endl; }
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p03208
C++
Runtime Error
#include <algorithm> #include <cmath> #include <iostream> #include <map> #include <stdio.h> #include <string> #include <vector> using namespace std; int main() { int N, K; long min = 10000000000000; cin >> N; cin >> K; vector<int> h(N); for (int i = 0; i < N; i++) { cin >> h[i]; } sort(h.begin(), h.end()); for (int i = 0; i < N; i++) { if (min > abs(h[K - 1 + i] - h[i])) { min = abs(h[K - 1 + i] - h[i]); } } cout << min << endl; }
#include <algorithm> #include <cmath> #include <iostream> #include <map> #include <stdio.h> #include <string> #include <vector> using namespace std; int main() { int N, K; long min = 10000000000000; cin >> N; cin >> K; vector<int> h(N); for (int i = 0; i < N; i++) { cin >> h[i]; } sort(h.begin(), h.end()); for (int i = 0; N - K + 1 != i; i++) { if (min > abs(h[K - 1 + i] - h[i])) { min = abs(h[K - 1 + i] - h[i]); } } cout << min << endl; }
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p03208
C++
Runtime Error
#include <algorithm> #include <iostream> #include <vector> #define rep(i, n) for (int i = 0; i < n; ++i) typedef long long ll; const int INF = 1 << 30; using namespace std; signed main() { ios::sync_with_stdio(false); cin.tie(0); int n, k; cin >> n >> k; vector<int> h(n); rep(i, n) cin >> h[i]; sort(h.begin(), h.end()); int ans = INF; rep(i, n - 2) { ans = min(ans, h[i + k - 1] - h[i]); } cout << ans << '\n'; return 0; }
#include <algorithm> #include <iostream> #include <vector> #define rep(i, n) for (int i = 0; i < n; ++i) typedef long long ll; const int INF = 1 << 30; using namespace std; signed main() { ios::sync_with_stdio(false); cin.tie(0); int n, k; cin >> n >> k; vector<int> h(n); rep(i, n) cin >> h[i]; sort(h.begin(), h.end()); int ans = INF; rep(i, n - k + 1) { ans = min(ans, h[i + k - 1] - h[i]); } cout << ans << '\n'; return 0; }
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p03208
C++
Runtime Error
#include <algorithm> #include <iostream> #include <vector> using namespace std; int main() { int n, k; cin >> n >> k; std::vector<int> h; for (int i = 0; i < n; ++i) { int tmp; cin >> tmp; h.push_back(tmp); } std::sort(h.begin(), h.end()); int min = h.at(n - 1); for (int i = 0; i < n - (k - 1); ++i) { int tmp = h.at(n + k - 1) - h.at(n); if (min > tmp) min = tmp; } // 出力 cout << min << endl; return 0; }
#include <algorithm> #include <iostream> #include <vector> using namespace std; int main() { int n, k; cin >> n >> k; std::vector<int> h; for (int i = 0; i < n; ++i) { int tmp; cin >> tmp; h.push_back(tmp); } std::sort(h.begin(), h.end()); int min = h.at(n - 1); for (int i = 0; i < n - (k - 1); ++i) { int tmp = h.at(i + k - 1) - h.at(i); if (min > tmp) min = tmp; } // 出力 cout << min << endl; return 0; }
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terminate called after throwing an instance of 'std::out_of_range' what(): vector::_M_range_check: __n (which is 7) >= this->size() (which is 5)
p03208
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long ll; const double EPS = 1e-9; typedef vector<int> vint; typedef pair<int, int> pint; #define rep(i, n) REP(i, 0, n) #define ALL(v) v.begin(), v.end() #define MSG(a) cout << #a << " " << a << endl; #define REP(i, x, n) for (int i = x; i < n; i++) template <class T, class C> void chmax(T &a, C b) { a > b ?: a = b; } template <class T, class C> void chmin(T &a, C b) { a < b ?: a = b; } int main(int argc, char *argv[]) { unsigned long n, k; cin >> n >> k; vector<unsigned long> h(n); rep(i, n) cin >> h[i]; sort(ALL(h)); unsigned long min = pow(10, 9); rep(i, n) { unsigned long t = h[i + k - 1] - h[i]; if (min > t) min = t; } cout << min << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; const double EPS = 1e-9; typedef vector<int> vint; typedef pair<int, int> pint; #define rep(i, n) REP(i, 0, n) #define ALL(v) v.begin(), v.end() #define MSG(a) cout << #a << " " << a << endl; #define REP(i, x, n) for (int i = x; i < n; i++) template <class T, class C> void chmax(T &a, C b) { a > b ?: a = b; } template <class T, class C> void chmin(T &a, C b) { a < b ?: a = b; } int main(int argc, char *argv[]) { unsigned long n, k; cin >> n >> k; vector<unsigned long> h(n); rep(i, n) cin >> h[i]; sort(ALL(h)); unsigned long min = pow(10, 9); rep(i, n - k + 1) { unsigned long t = h[i + k - 1] - h[i]; if (min > t) min = t; } cout << min << endl; return 0; }
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p03208
C++
Runtime Error
#pragma GCC optimize("Ofast") #pragma GCC target("avx2,tune=native") #include <bits/stdc++.h> #include <x86intrin.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(0); int N, K; cin >> N >> K; vector<int> h(N); for (auto &i : h) cin >> i; sort(h.begin(), h.end()); int res = INT_MAX; for (int i = 0; i < N - K + 1; i++) { int foo = h[K + i - 1] - h[i]; if (foo < res) res = foo; } cout << res; return 0; }
#pragma GCC optimize("Ofast") #pragma GCC target("tune=native") #include <bits/stdc++.h> #include <x86intrin.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(0); int N, K; cin >> N >> K; vector<int> h(N); for (auto &i : h) cin >> i; sort(h.begin(), h.end()); int res = INT_MAX; for (int i = 0; i < N - K + 1; i++) { int foo = h[K + i - 1] - h[i]; if (foo < res) res = foo; } cout << res; return 0; }
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p03208
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; const long long INF = 1LL << 60; int main() { int N, K; cin >> N >> K; vector<long long> h(N); for (int i = 0; i < N; i++) cin >> h[i]; sort(h.begin(), h.end()); long long ans = INF; for (int i = 0; i <= N - K; i++) { ans = min(ans, h[i - K + 1] - h[i]); } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; const long long INF = 1LL << 60; int main() { int N, K; cin >> N >> K; vector<long long> h(N); for (int i = 0; i < N; i++) cin >> h[i]; sort(h.begin(), h.end()); long long ans = INF; for (int i = 0; i <= N - K; i++) { ans = min(ans, h[i + K - 1] - h[i]); } cout << ans << endl; }
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p03208
C++
Runtime Error
/* Templatka c++ Kacper Fis // */ #include <algorithm> #include <bits/stdc++.h> #include <bitset> #include <cmath> #include <cstdio> #include <cstdlib> #include <deque> #include <iomanip> #include <iostream> #include <iterator> #include <limits> #include <list> #include <map> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <time.h> #include <unordered_map> #include <utility> #include <vector> using namespace std; const int INF = 1000000001; const float PI = 3.14; typedef long long LL; typedef vector<int> vi; typedef list<int> li; typedef queue<int> qi; typedef pair<int, int> ii; typedef map<string, int> msi; // np msi['nazwa'] = 'liczba' typedef vector<ii> vii; // vector par<int>, do tworzenia tablicy dla grafĂłw // wagowych #dijkstra #Bellman_Ford typedef priority_queue<ii, vector<ii>, greater<ii>> pq; // kolejka priorytetowa vectorĂłw par(top()=min) #dijkstra // list<int>::iterator it; list<int>::iterator it1; vector<int>::iterator it2; vector<int>::iterator it3; set<int>::iterator it4; map<string, int>::iterator it5; vector<ii>::iterator iter; #define print_list(x) \ for (it = (x).begin(); it != (x).end(); it++) { \ cout << *it << " "; \ } #define print_vector(x) \ for (it2 = (x).begin(); it2 != (x).end(); it2++) { \ cout << *it2 << " "; \ } #define search_list(x) for (it = (x).begin(); it != (x).end(); it++) #define search_vector(x) \ for (it2 = (x).begin(); it2 != (x).end(); it2++) \ ; #define pb(x) push_back(x) #define pf(x) push_front(x) #define mp(x, y) make_pair(x, y) ///////////////////////////////////////////////GLOBAL ///DEFINITIONS//////////////////////////////////////////////////////// ///////////////////////////////////////////////////FUNCTIONS///////////////////////////////////////////////////////////// /////////////////////////////////////////////////////MAIN//////////////////////////////////////////////////////////////// int main(int argc, char *argv[]) { ios_base::sync_with_stdio(false); cin.tie(NULL); int n, k; cin >> n >> k; vi V; for (int i = 0; i < n; i++) { int x; cin >> x; V.pb(x); } sort(V.begin(), V.end()); // cout << "Vector V: " << endl; // for(auto it : V){ // cout << it << " "; //} vi ans; for (int i = 2; i < n; i++) { ans.pb(V[i] - V[i - k + 1]); } sort(ans.begin(), ans.end()); cout << *ans.begin(); return 0; } /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/* Templatka c++ Kacper Fis // */ #include <algorithm> #include <bits/stdc++.h> #include <bitset> #include <cmath> #include <cstdio> #include <cstdlib> #include <deque> #include <iomanip> #include <iostream> #include <iterator> #include <limits> #include <list> #include <map> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <time.h> #include <unordered_map> #include <utility> #include <vector> using namespace std; const int INF = 1000000001; const float PI = 3.14; typedef long long LL; typedef vector<int> vi; typedef list<int> li; typedef queue<int> qi; typedef pair<int, int> ii; typedef map<string, int> msi; // np msi['nazwa'] = 'liczba' typedef vector<ii> vii; // vector par<int>, do tworzenia tablicy dla grafĂłw // wagowych #dijkstra #Bellman_Ford typedef priority_queue<ii, vector<ii>, greater<ii>> pq; // kolejka priorytetowa vectorĂłw par(top()=min) #dijkstra // list<int>::iterator it; list<int>::iterator it1; vector<int>::iterator it2; vector<int>::iterator it3; set<int>::iterator it4; map<string, int>::iterator it5; vector<ii>::iterator iter; #define print_list(x) \ for (it = (x).begin(); it != (x).end(); it++) { \ cout << *it << " "; \ } #define print_vector(x) \ for (it2 = (x).begin(); it2 != (x).end(); it2++) { \ cout << *it2 << " "; \ } #define search_list(x) for (it = (x).begin(); it != (x).end(); it++) #define search_vector(x) \ for (it2 = (x).begin(); it2 != (x).end(); it2++) \ ; #define pb(x) push_back(x) #define pf(x) push_front(x) #define mp(x, y) make_pair(x, y) ///////////////////////////////////////////////GLOBAL ///DEFINITIONS//////////////////////////////////////////////////////// ///////////////////////////////////////////////////FUNCTIONS///////////////////////////////////////////////////////////// /////////////////////////////////////////////////////MAIN//////////////////////////////////////////////////////////////// int main(int argc, char *argv[]) { ios_base::sync_with_stdio(false); cin.tie(NULL); int n, k; cin >> n >> k; vi V; for (int i = 0; i < n; i++) { int x; cin >> x; V.pb(x); } sort(V.begin(), V.end()); // cout << "Vector V: " << endl; // for(auto it : V){ // cout << it << " "; //} vi ans; for (int i = k - 1; i < n; i++) { ans.pb(V[i] - V[i - k + 1]); } sort(ans.begin(), ans.end()); cout << *ans.begin(); return 0; } /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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p03208
C++
Runtime Error
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < n; i++) #define rrep(i, n) for (int i = n - 1; i >= 0; i--) using namespace std; using Graph = vector<vector<int>>; #define MOD 1000000007 #define MOD2 998244353 #define INF ((1 << 30) - 1) #define LINF (1LL << 60) #define EPS (1e-10) typedef long long ll; typedef pair<ll, ll> P; vector<ll> h; int main() { int n, k; cin >> n >> k; rep(i, n) { ll t; cin >> t; h.push_back(t); } sort(h.begin(), h.end()); ll ans = LINF; rep(i, k) { ans = min(ans, h[k + i - 1] - h[i]); } cout << ans << endl; return 0; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < n; i++) #define rrep(i, n) for (int i = n - 1; i >= 0; i--) using namespace std; using Graph = vector<vector<int>>; #define MOD 1000000007 #define MOD2 998244353 #define INF ((1 << 30) - 1) #define LINF (1LL << 60) #define EPS (1e-10) typedef long long ll; typedef pair<ll, ll> P; vector<ll> h; int main() { int n, k; cin >> n >> k; rep(i, n) { ll t; cin >> t; h.push_back(t); } sort(h.begin(), h.end()); ll ans = LINF; rep(i, n - k + 1) { ans = min(ans, h[k + i - 1] - h[i]); } cout << ans << endl; return 0; }
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p03208
C++
Runtime Error
// #include <bits/stdc++.h> #include <algorithm> #include <iostream> #include <vector> using namespace std; int main(void) { ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int N, K; cin >> N >> K; vector<int> h(N); for (int i = 0; i < N; i++) { cin >> h[i]; } sort(h.begin(), h.end()); int min_hight = 1e9; for (int i = 0; i < N; i++) { min_hight = min(min_hight, h[i + K - 1] - h[i]); } cout << min_hight << endl; return 0; }
// #include <bits/stdc++.h> #include <algorithm> #include <iostream> #include <vector> using namespace std; int main(void) { ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int N, K; cin >> N >> K; vector<int> h(N); for (int i = 0; i < N; i++) { cin >> h[i]; } sort(h.begin(), h.end()); int min_hight = 1e9; for (int i = 0; i < N - K + 1; i++) { min_hight = min(min_hight, h[i + K - 1] - h[i]); } cout << min_hight << endl; return 0; }
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p03208
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; #define ll long long #define fi first #define se second #define rep(i, n) for (int i = 0; i < (int)(n); ++i) #define rep1(i, n) for (int i = 1; i <= (int)(n); ++i) #define rep11(i, n) for (int i = 1; i < (int)(n); ++i) #define repo(i, o, n) for (int i = o; i < (int)(n); ++i) #define repm(i, n) for (int i = (int)(n)-1; i >= 0; --i) #define all(v) (v).begin(), (v).end() #define rall(v) (v).rbegin(), (v).rend() #define pb(n) push_back(n) #define mp make_pair #define MOD 1002000007 #define INF LONG_LONG_MAX typedef pair<int, int> P; int main() { long long n, k; cin >> n >> k; vector<int> v; vector<int> w; rep(i, n) { long long h; cin >> h; v.push_back(h); } sort(v.begin(), v.end()); rep(i, n - (k - 1)) { w[i] = v[i + (k - 1)] - v[i]; } sort(w.begin(), w.end()); cout << w[0] << endl; }
#include <bits/stdc++.h> using namespace std; #define ll long long #define fi first #define se second #define rep(i, n) for (int i = 0; i < (int)(n); ++i) #define rep1(i, n) for (int i = 1; i <= (int)(n); ++i) #define rep11(i, n) for (int i = 1; i < (int)(n); ++i) #define repo(i, o, n) for (int i = o; i < (int)(n); ++i) #define repm(i, n) for (int i = (int)(n)-1; i >= 0; --i) #define all(v) (v).begin(), (v).end() #define rall(v) (v).rbegin(), (v).rend() #define pb(n) push_back(n) #define mp make_pair #define MOD 1002000007 #define INF LONG_LONG_MAX typedef pair<int, int> P; int main() { long long n, k; cin >> n >> k; vector<int> v; vector<int> w(n - (k - 1)); rep(i, n) { long long h; cin >> h; v.push_back(h); } sort(v.begin(), v.end()); rep(i, n - (k - 1)) { w[i] = v[i + (k - 1)] - v[i]; } sort(w.begin(), w.end()); cout << w[0] << endl; }
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p03208
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define rep(i, n) for (int i = 0; i < n; i++) int main(void) { int n, k; cin >> n >> k; ll h[n]; rep(i, n) { cin >> h[i]; } sort(h, h + n); ll diff = 10000000; rep(i, n) { diff = min(h[i + k - 1] - h[i], diff); } cout << diff << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define rep(i, n) for (int i = 0; i < n; i++) int main(void) { int n, k; cin >> n >> k; ll h[n]; rep(i, n) { cin >> h[i]; } sort(h, h + n); ll diff = 10000000000; rep(i, n) { if (i + k - 1 == n) break; diff = min(h[i + k - 1] - h[i], diff); } cout << diff << endl; return 0; }
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p03208
C++
Runtime Error
#include <algorithm> #include <iostream> #include <vector> int main() { int N, K; std::cin >> N >> K; std::vector<int> h(N); for (int i = 0; i < N; i++) { std::cin >> h.at(i); } std::sort(h.begin(), h.end()); int min = 1000000000; for (int i = 0; i < N + K - 1; i++) { int temp = h.at(i + K - 1) - h.at(i); if (temp < min) { min = temp; } } std::cout << min << std::endl; }
#include <algorithm> #include <iostream> #include <vector> int main() { int N, K; std::cin >> N >> K; std::vector<int> h(N); for (int i = 0; i < N; i++) { std::cin >> h.at(i); } std::sort(h.begin(), h.end()); int min = 1000000000; for (int i = 0; i < N - K + 1; i++) { int temp = h.at(i + K - 1) - h.at(i); if (temp < min) { min = temp; } } std::cout << min << std::endl; }
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terminate called after throwing an instance of 'std::out_of_range' what(): vector::_M_range_check: __n (which is 5) >= this->size() (which is 5)
p03208
C++
Runtime Error
#include <algorithm> #include <deque> #include <iostream> #include <map> #include <queue> #include <set> #include <vector> using namespace std; #define rep(i, a, b) for (int i = a; i < (b); ++i) typedef long long ll; typedef pair<int, int> P; int main() { int n, k; cin >> n >> k; vector<int> c(n); rep(i, 0, n) { cin >> c[i]; } sort(c.begin(), c.end()); int ans = c[n - k] - c[0]; rep(i, 1, n - k + 1) { ans = min(c[i + n - k] - c[i], ans); } cout << ans << endl; return 0; }
#include <algorithm> #include <deque> #include <iostream> #include <map> #include <queue> #include <set> #include <vector> using namespace std; #define rep(i, a, b) for (int i = a; i < (b); ++i) typedef long long ll; typedef pair<int, int> P; int main() { int n, k; cin >> n >> k; vector<int> c(n); rep(i, 0, n) { cin >> c[i]; } sort(c.begin(), c.end()); int ans = 1000000001; rep(i, 0, n - k + 1) { ans = min(c[i + k - 1] - c[i], ans); } cout << ans << endl; return 0; }
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p03208
C++
Runtime Error
#include <stdio.h> #include <stdlib.h> #include <string.h> int compare_lld(const void *a, const void *b) { long long int *A = (long long int *)a; long long int *B = (long long int *)b; if (*A > *B) return 1; if (*A < *B) return -1; return 0; } int main() { long long int n, k, i; scanf("%lld", &n); scanf("%lld", &k); long long int h[n]; for (i = 0; i < n; i++) { scanf("%lld", &h[i]); } qsort(h, n, sizeof(long long int), compare_lld); long long int ans = h[n - 1] - h[0]; long long int temp = 0; for (i = 0; i < n; i++) { temp = h[i + k - 1] - h[i]; if (temp < ans) { ans = temp; } } printf("%lld\n", ans); return 0; }
#include <stdio.h> #include <stdlib.h> #include <string.h> int compare_lld(const void *a, const void *b) { long long int *A = (long long int *)a; long long int *B = (long long int *)b; if (*A > *B) return 1; if (*A < *B) return -1; return 0; } int main() { long long int n, k, i; scanf("%lld", &n); scanf("%lld", &k); long long int h[n]; for (i = 0; i < n; i++) { scanf("%lld", &h[i]); } qsort(h, n, sizeof(long long int), compare_lld); long long int ans = h[n - 1] - h[0]; long long int temp = 0; for (i = 0; i + k - 1 < n; i++) { temp = h[i + k - 1] - h[i]; if (temp < ans) { ans = temp; } } printf("%lld\n", ans); return 0; }
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p03208
C++
Runtime Error
#include "bits/stdc++.h" using namespace std; typedef vector<int> VI; typedef vector<VI> VVI; typedef vector<VVI> VVVI; typedef vector<string> VS; typedef pair<int, int> PII; typedef vector<PII> VPII; typedef long long LL; typedef priority_queue<int> PQ_DESC; typedef priority_queue<int, vector<int>, greater<int>> PQ_ASC; typedef priority_queue<PII> PQ_DESC_PII; typedef priority_queue<PII, vector<PII>, greater<PII>> PQ_ASC_PII; typedef vector<LL> VLL; typedef vector<VLL> VVLL; typedef vector<VVLL> VVVLL; #define SORT_ASC(c) sort((c).begin(), (c).end()) #define SORT_DESC(c) \ sort((c).begin(), (c).end(), greater<typeof((c).begin())>()) #define FOR(i, a, b) for (int i = (a); i < (b); ++i) #define REP(i, n) FOR(i, 0, n) #define SIZE(a) int((a).size()) const double EPS = 1e-10; const double PI = acos(-1.0); const int INT_LARGE = 1000000100; // debug func template <typename T> void vecprint(vector<T> v) { for (auto x : v) { cerr << x << " "; } cerr << endl; } template <typename T> void vecvecprint(vector<vector<T>> vv) { REP(i, SIZE(vv)) { REP(j, SIZE(vv[i])) { cerr << vv[i][j] << " "; } cerr << endl; } } template <typename T> void pqprint(priority_queue<T> q) { while (!q.empty()) { cerr << q.top() << " "; q.pop(); } cerr << endl; } template <typename T> void qprint(queue<T> q) { while (!q.empty()) { cerr << q.front() << " "; q.pop(); } cerr << endl; } template <typename T> void vecqprint(vector<queue<T>> v) { for (int i = 0; i < v.size(); i++) { qprint(v[i]); } } template <typename Iterator> inline bool next_combination(const Iterator first, Iterator k, const Iterator last) { /* Credits: Thomas Draper */ if ((first == last) || (first == k) || (last == k)) return false; Iterator itr1 = first; Iterator itr2 = last; ++itr1; if (last == itr1) return false; itr1 = last; --itr1; itr1 = k; --itr2; while (first != itr1) { if (*--itr1 < *itr2) { Iterator j = k; while (!(*itr1 < *j)) ++j; iter_swap(itr1, j); ++itr1; ++j; itr2 = k; rotate(itr1, j, last); while (last != j) { ++j; ++itr2; } rotate(k, itr2, last); return true; } } rotate(first, k, last); return false; } inline double get_time_sec(void) { return static_cast<double>(chrono::duration_cast<chrono::nanoseconds>( chrono::steady_clock::now().time_since_epoch()) .count()) / 1000000000; } template <typename T> T gcd(T a, T b) { if (a > b) swap(a, b); if (a == 0) return b; else return gcd(b % a, a); } template <typename T> map<T, T> prime_list(T n) { map<T, T> ret; for (T i = 2; i * i <= n; i++) { if (n % i == 0) { ret[i] = 0; while (n % i == 0) { n /= i; ret[i]++; } } } if (n != 1) ret[n]++; return ret; } int main(void) { int n, k; cin >> n >> k; VI v(n, 0); REP(i, n) cin >> v[i]; sort(v.begin(), v.end()); int ans = INT_MAX; REP(i, n - k + 1) { ans = min(ans, v[i + n - k] - v[i]); } cout << ans << endl; }
#include "bits/stdc++.h" using namespace std; typedef vector<int> VI; typedef vector<VI> VVI; typedef vector<VVI> VVVI; typedef vector<string> VS; typedef pair<int, int> PII; typedef vector<PII> VPII; typedef long long LL; typedef priority_queue<int> PQ_DESC; typedef priority_queue<int, vector<int>, greater<int>> PQ_ASC; typedef priority_queue<PII> PQ_DESC_PII; typedef priority_queue<PII, vector<PII>, greater<PII>> PQ_ASC_PII; typedef vector<LL> VLL; typedef vector<VLL> VVLL; typedef vector<VVLL> VVVLL; #define SORT_ASC(c) sort((c).begin(), (c).end()) #define SORT_DESC(c) \ sort((c).begin(), (c).end(), greater<typeof((c).begin())>()) #define FOR(i, a, b) for (int i = (a); i < (b); ++i) #define REP(i, n) FOR(i, 0, n) #define SIZE(a) int((a).size()) const double EPS = 1e-10; const double PI = acos(-1.0); const int INT_LARGE = 1000000100; // debug func template <typename T> void vecprint(vector<T> v) { for (auto x : v) { cerr << x << " "; } cerr << endl; } template <typename T> void vecvecprint(vector<vector<T>> vv) { REP(i, SIZE(vv)) { REP(j, SIZE(vv[i])) { cerr << vv[i][j] << " "; } cerr << endl; } } template <typename T> void pqprint(priority_queue<T> q) { while (!q.empty()) { cerr << q.top() << " "; q.pop(); } cerr << endl; } template <typename T> void qprint(queue<T> q) { while (!q.empty()) { cerr << q.front() << " "; q.pop(); } cerr << endl; } template <typename T> void vecqprint(vector<queue<T>> v) { for (int i = 0; i < v.size(); i++) { qprint(v[i]); } } template <typename Iterator> inline bool next_combination(const Iterator first, Iterator k, const Iterator last) { /* Credits: Thomas Draper */ if ((first == last) || (first == k) || (last == k)) return false; Iterator itr1 = first; Iterator itr2 = last; ++itr1; if (last == itr1) return false; itr1 = last; --itr1; itr1 = k; --itr2; while (first != itr1) { if (*--itr1 < *itr2) { Iterator j = k; while (!(*itr1 < *j)) ++j; iter_swap(itr1, j); ++itr1; ++j; itr2 = k; rotate(itr1, j, last); while (last != j) { ++j; ++itr2; } rotate(k, itr2, last); return true; } } rotate(first, k, last); return false; } inline double get_time_sec(void) { return static_cast<double>(chrono::duration_cast<chrono::nanoseconds>( chrono::steady_clock::now().time_since_epoch()) .count()) / 1000000000; } template <typename T> T gcd(T a, T b) { if (a > b) swap(a, b); if (a == 0) return b; else return gcd(b % a, a); } template <typename T> map<T, T> prime_list(T n) { map<T, T> ret; for (T i = 2; i * i <= n; i++) { if (n % i == 0) { ret[i] = 0; while (n % i == 0) { n /= i; ret[i]++; } } } if (n != 1) ret[n]++; return ret; } int main(void) { int n, k; cin >> n >> k; VI v(n, 0); REP(i, n) cin >> v[i]; sort(v.begin(), v.end()); int ans = INT_MAX; // vecprint(v); REP(i, n - k + 1) { // cerr << i << endl; // cerr << v[i] << " " << v[i+n-k] << endl; ans = min(ans, v[i + k - 1] - v[i]); } cout << ans << endl; }
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p03208
C++
Runtime Error
#define _USE_MATH_DEFINES #include <bits/stdc++.h> #define pb push_back #define mp make_pair using ll = long long; using namespace std; ll x, y, z, l, m, n, r, q, k; // 0 1 2 3 4 5 6 n = 7; void solve() { cin >> n >> k; ll a[1000]; for (int i = 0; i < n; i++) cin >> a[i]; ll md = INT_MAX; sort(a, a + n); for (int i = 0; i <= n - k; i++) { md = min(md, a[i + k - 1] - a[i]); } cout << md << '\n'; } int main() { std::ios::sync_with_stdio(false); std::cin.tie(NULL); int test; test = 1; while (test--) { solve(); } return 0; }
#define _USE_MATH_DEFINES #include <bits/stdc++.h> #define pb push_back #define mp make_pair using ll = long long; using namespace std; ll x, y, z, l, m, n, r, q, k; // 0 1 2 3 4 5 6 n = 7; void solve() { cin >> n >> k; ll a[100000]; for (int i = 0; i < n; i++) cin >> a[i]; ll md = INT_MAX; sort(a, a + n); for (int i = 0; i <= n - k; i++) { md = min(md, a[i + k - 1] - a[i]); } cout << md << '\n'; } int main() { std::ios::sync_with_stdio(false); std::cin.tie(NULL); int test; test = 1; while (test--) { solve(); } return 0; }
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p03208
C++
Runtime Error
#include <bits/stdc++.h> using namespace std; int main() { int n, k, a; cin >> n >> k; vector<int> v; for (int i = 0; i < n; i++) { cin >> a; v.push_back(a); } sort(v.begin(), v.end()); int diff = INT_MAX; for (int i = 0; i < n; i++) { diff = min(diff, v[i + k - 1] - v[i]); } cout << diff << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int n, k, a; cin >> n >> k; vector<int> v; for (int i = 0; i < n; i++) { cin >> a; v.push_back(a); } sort(v.begin(), v.end()); int diff = INT_MAX; for (int i = 0; i <= n - k; i++) { diff = min(diff, v[i + k - 1] - v[i]); } cout << diff << endl; return 0; }
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p03208
C++
Runtime Error
#include <bits/stdc++.h> #define fst first #define snd second #define rep(n) for (lint I = 0; (I) < (lint)(n); ++(I)) #define repeat(i, n) for (lint i = 0; (i) < (lint)(n); ++(i)) #define repeat_to(i, n) for (lint i = 0; (i) <= (lint)(n); ++(i)) #define repeat_from(i, m, n) for (lint i = (m); (i) < (lint)(n); ++(i)) #define repeat_from_to(i, m, n) for (lint i = (m); (i) <= (lint)(n); ++(i)) #define repeat_reverse_from_to(i, m, n) \ for (lint i = (m); (i) >= (lint)(n); --(i)) #define el cout << endl #define dump(x) cout << " " << #x << "=" << x #define pdump(p) cout << " " << #p << "=(" << p.fst << "," << p.snd << ")" #define vdump(v) \ for (size_t I = 0; I < v.size(); ++I) { \ cout << " " << #v << "[" << I << "]=" << v[I]; \ } \ cout << endl using namespace std; using lint = long long; using ld = long double; using pii = pair<int, int>; using pll = pair<lint, lint>; int main(void) { int n, k; cin >> n >> k; vector<int> h(n); repeat(i, n) cin >> h[i]; sort(h.begin(), h.end()); int ans = 1e9 + 1; repeat(i, n - k + 1) { // cout << "h[" << n-k+i << "]-h[" << i << "]" << endl; ans = min(ans, h[n - k + i] - h[i]); } cout << ans << endl; }
#include <bits/stdc++.h> #define fst first #define snd second #define rep(n) for (lint I = 0; (I) < (lint)(n); ++(I)) #define repeat(i, n) for (lint i = 0; (i) < (lint)(n); ++(i)) #define repeat_to(i, n) for (lint i = 0; (i) <= (lint)(n); ++(i)) #define repeat_from(i, m, n) for (lint i = (m); (i) < (lint)(n); ++(i)) #define repeat_from_to(i, m, n) for (lint i = (m); (i) <= (lint)(n); ++(i)) #define repeat_reverse_from_to(i, m, n) \ for (lint i = (m); (i) >= (lint)(n); --(i)) #define el cout << endl #define dump(x) cout << " " << #x << "=" << x #define pdump(p) cout << " " << #p << "=(" << p.fst << "," << p.snd << ")" #define vdump(v) \ for (size_t I = 0; I < v.size(); ++I) { \ cout << " " << #v << "[" << I << "]=" << v[I]; \ } \ cout << endl using namespace std; using lint = long long; using ld = long double; using pii = pair<int, int>; using pll = pair<lint, lint>; int main(void) { int n, k; cin >> n >> k; vector<int> h(n); repeat(i, n) cin >> h[i]; sort(h.begin(), h.end()); int ans = 1e9 + 1; repeat(i, n - k + 1) { // cout << "h[" << i+k-1 << "]-h[" << i << "]=" << h[i+k-1] - h[i] << endl; ans = min(ans, h[i + k - 1] - h[i]); } cout << ans << endl; }
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p03208
C++
Time Limit Exceeded
// lcmとかはg++ -std=c++17 default.cppみたいなかんじで #include <bits/stdc++.h> #define mod 1000000007 #define INF 1001001001 #define ll long long #define ln cout << endl #define Yes cout << "Yes" << endl #define No cout << "No" << endl #define double long double #define REP(i, m, n) for (ll i = (ll)(m); i < (ll)(n); i++) #define rep(i, n) REP(i, 0, n) #define rep1(i, n) REP(i, 1, n + 1) using namespace std; int main() { cin.tie(0); ios::sync_with_stdio(false); ll a, b, c, d, m, n, maxi = 0, f = 0, mini = INF, sum = 0; string str; cin >> n >> m; // vector<vector<ll>> v(tate,vector<ll> (yoko)); vector<ll> v(n); rep(i, n) cin >> v[i]; sort(v.begin(), v.end(), greater<ll>()); vector<ll> w(n - 1); rep(i, n - 1) { w[i] = v[i] - v[i + 1]; } vector<ll> x(n - m + 1); rep(i, n - m + 1) { for (ll j = i; j < i + m - 1; j++) { x[i] += w[j]; } // cout<<x[i]<<endl; } sort(x.begin(), x.end()); cout << x[0] << endl; return 0; }
// lcmとかはg++ -std=c++17 default.cppみたいなかんじで #include <bits/stdc++.h> #define mod 1000000007 #define INF 1001001001 #define ll long long #define ln cout << endl #define Yes cout << "Yes" << endl #define No cout << "No" << endl #define double long double #define REP(i, m, n) for (ll i = (ll)(m); i < (ll)(n); i++) #define rep(i, n) REP(i, 0, n) #define rep1(i, n) REP(i, 1, n + 1) using namespace std; int main() { cin.tie(0); ios::sync_with_stdio(false); ll a, b, c, d, m, n, maxi = 0, f = 0, mini = INF, sum = 0; string str; cin >> n >> m; // vector<vector<ll>> v(tate,vector<ll> (yoko)); vector<ll> v(n); rep(i, n) cin >> v[i]; sort(v.begin(), v.end(), greater<ll>()); vector<ll> w(n - 1); rep(i, n - 1) { w[i] = v[i] - v[i + 1]; } vector<ll> x(n - m + 1); rep(i, n - m + 1) { x[i] = v[i] - v[i + m - 1]; } sort(x.begin(), x.end()); cout << x[0] << endl; return 0; }
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p03208
C++
Runtime Error
#include <algorithm> #include <stdio.h> using namespace std; int abs(int n) { return n >= 0 ? n : -n; } int main() { int n, k; int h[10000]; scanf("%d %d", &n, &k); for (int i = 0; i < n; i++) scanf("%d", &h[i]); sort(h, h + n); int min = 1000000000; for (int i = 0; i < n - k + 1; i++) { if (min > abs(h[i] - h[i + k - 1])) min = abs(h[i] - h[i + k - 1]); } printf("%d\n", min); }
#include <algorithm> #include <stdio.h> using namespace std; int abs(int n) { return n >= 0 ? n : -n; } int main() { int n, k; int h[100000]; scanf("%d %d", &n, &k); for (int i = 0; i < n; i++) scanf("%d", &h[i]); sort(h, h + n); int min = 1000000000; for (int i = 0; i < n - k + 1; i++) { if (min > abs(h[i] - h[i + k - 1])) min = abs(h[i] - h[i + k - 1]); } printf("%d\n", min); }
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p03208
C++
Time Limit Exceeded
#include <bits/stdc++.h> #define ll long long using namespace std; int main() { int n, k; cin >> n >> k; ll h[n]; for (int i = 0; i < n; i++) cin >> h[i]; sort(h, h + n); ll ans = 1e9 + 1; for (int i = 0; i < n - k + 1; i++) { ll hmin = 1e9 + 1; ll hmax = -1; for (int j = i; j < i + k; j++) { hmin = min(hmin, h[j]); hmax = max(hmax, h[j]); } ans = min(ans, hmax - hmin); } cout << ans << endl; return 0; }
#include <bits/stdc++.h> #define ll long long using namespace std; int main() { int n, k; cin >> n >> k; ll h[n]; for (int i = 0; i < n; i++) cin >> h[i]; sort(h, h + n); ll ans = 1e9 + 1; for (int i = 0; i < n; i++) { if (i + k - 1 > n - 1) continue; ll tmp = h[i + k - 1] - h[i]; ans = min(ans, tmp); } cout << ans << endl; return 0; }
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p03208
C++
Time Limit Exceeded
#include <bits/stdc++.h> #define REP(i, n) for (int(i) = 0; (i) < (n); (i)++) #define REPR(i, n) for (int(i) = (n); (i) >= 0; (i)--) #define FOR(i, m, n) for (int(i) = (m); (i) < (n); (i)++) #define ALL(x) x.begin(), x.end() #define REVERSE(x) reverse(x.begin(), x.end()) #define SORT(x, n) sort(x, x) #define P pair<int, int> typedef long long LL; const int INF = 1000000007; using namespace std; int gcd(int a, int b) { if (a % b == 0) { return b; } else { return gcd(b, a % b); } } int main() { int N, K; cin >> N >> K; vector<int> h(N); REP(i, N) { cin >> h[i]; } sort(ALL(h)); int ans = INF; REP(i, N - K + 1) { int maxh = 0; int minh = INF; for (int j = i; j < i + K; j++) { maxh = max(maxh, h[j]); minh = min(minh, h[j]); } ans = min(ans, (maxh - minh)); } cout << ans; }
#include <bits/stdc++.h> #define REP(i, n) for (int(i) = 0; (i) < (n); (i)++) #define REPR(i, n) for (int(i) = (n); (i) >= 0; (i)--) #define FOR(i, m, n) for (int(i) = (m); (i) < (n); (i)++) #define ALL(x) x.begin(), x.end() #define REVERSE(x) reverse(x.begin(), x.end()) #define SORT(x, n) sort(x, x) #define P pair<int, int> typedef long long LL; const int INF = 1000000007; using namespace std; int gcd(int a, int b) { if (a % b == 0) { return b; } else { return gcd(b, a % b); } } int main() { int N, K; cin >> N >> K; vector<int> h(N); REP(i, N) { cin >> h[i]; } sort(ALL(h)); int ans = INF; REP(i, N - K + 1) { ans = min(ans, h[i + K - 1] - h[i]); } cout << ans; }
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