제출 #211660

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
211660	2020-03-20 23:26:46	thebes	Bulb Game (FXCUP4_bulb)	C++17	0 / 100	5 ms	384 KiB

bulb

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#include "bulb.h"
#include <bits/stdc++.h>
using namespace std;
typedef vector<int> vi;
typedef pair<int,int> pii;
#define pb push_back
const int MN = 3e5+5;
int N, i, ok[MN], res[MN], f, f2;
pii ed[MN];
int acc(int n){
    if(n<0) return 0;
    if(res[n]) return res[n];
    res[n]=ed[n].first<0?ed[n].first:acc(ed[n].first);
    return res[n];
}
int solve(int n){
    while(n>=0){
        if(ed[n].second==-2||acc(ed[n].second)==-2) return 0;
        n = ed[n].first;
    }
    return 1;
}
int FindWinner(int T,vi L,vi R){
    N = L.size();
    int cur = 0;
 
 
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