제출 #479926

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
479926	2021-10-14 00:12:22	sam571128	Fireworks (APIO16_fireworks)	C++17	100 / 100	355 ms	75000 KiB

fireworks

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#include <bits/stdc++.h>
#include <bits/extc++.h>
#define int long long
#define fastio ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
using namespace std;
const int N = 6e5+5;
vector<pair<int,int>> adj[N];
int dp[N], to[N], deg[N], ans = 0;
__gnu_pbds::priority_queue<int> pq[N];
void dfs(int u, int p){
    for(auto [v,w] : adj[u]){
        if(v == p) continue;
        dfs(v,u);
        pq[u].join(pq[v]);
    }
    if(u==1) return;
    int l = 0, r = 0;
    if(deg[u]){
        while(--deg[u]){
            pq[u].pop();
        }
 
 
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• Subtask 1: 7 / 7
• Subtask 2: 19 / 19
• Subtask 3: 29 / 29
• Subtask 4: 45 / 45