제출 #834763

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
834763	2023-08-22 18:39:11	FEDIKUS	Fireworks (APIO16_fireworks)	C++17	100 / 100	423 ms	105052 KiB

fireworks

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#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<ll,ll>;
const ll maxn=3e5+10;
vector<pii> g[maxn];
multiset<ll> slope[maxn];
void dfs(ll node,ll c=-1){
    for(auto i:g[node]){
        dfs(i.first,i.second);
    }
    pair<ll,ll> maxi={-1,-1};
    for(auto i:g[node]){
        maxi=max(maxi,{ll(slope[i.first].size()),i.first});
    }
    if(maxi.first!=-1){
        swap(slope[maxi.second],slope[node]);
        for(auto i:g[node]){
            if(i.first==maxi.second) continue;
            for(ll j:slope[i.first]){
                slope[node].emplace(j);
            }
        }
    }
    for(int i=0;i<ll(g[node].size())-1;i++){
        auto it=slope[node].end();
 
 
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• Subtask 2: 19 / 19
• Subtask 3: 29 / 29
• Subtask 4: 45 / 45