제출 #553083

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
553083	2022-04-24 15:35:08	hoanghq2004	Zagrade (COI17_zagrade)	C++14	100 / 100	1086 ms	54492 KiB

zagrade

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#include <bits/stdc++.h>
#pragma GCC optimize ("O3")
#pragma GCC optimize ("unroll-loops")
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
template <typename T>
using ordered_set = tree <T, null_type, less <T>, rb_tree_tag, tree_order_statistics_node_update>;
const int N = 3e5 + 10;
int n, sz[N], big[N], c[N], del[N];
vector <int> g[N];
void dfs(int u, int p) {
    sz[u] = 1, big[u] = 0;
    for (auto v: g[u]) {
        if (v == p || del[v]) continue;
        dfs(v, u);
        sz[u] += sz[v];
        if (sz[v] >= sz[big[u]]) big[u] = v;
    }
}
int cnt[N * 2];
int centroid(int u) {
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 30 / 30
• Subtask 3: 60 / 60