제출 #679219

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
679219	2023-01-07 18:44:22	ziduo	Mag (COCI16_mag)	C++14	12 / 120	414 ms	218404 KiB

mag

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#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define f first
#define s second
int vals[1000000];
int dp[1000000][2];
vector<int> edges[1000000];
pair<int, int> answer;
void rec(int u, int p){
    for(int v: edges[u])if(v!=p)rec(v, u);
    if(vals[u]>2){
        dp[u][0] = 0;
        dp[u][1] = 0;
        return;
    }
    vector<int> use0;
    vector<int> use1;
    for(int v: edges[u])if(v!=p){
        use0.push_back(dp[v][0]);
        use1.push_back(dp[v][1]);
    }
    sort(use0.begin(), use0.end());
    sort(use1.begin(), use1.end());
    reverse(use0.begin(), use0.end());
    reverse(use1.begin(), use1.end());
    if(vals[u]==2){
        dp[u][0] = 0;
        if(use0.size()==0){
            dp[u][1] = 1;
 
 
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