Submission #211650

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
211650	2020-03-20 22:31:04	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;
pii ed[MN];
int acc(int n){
    if(res[n]) return res[n];
    res[n]=ed[n].first<0?ed[n].first:acc(ed[n].first);
    return res[n];
}
int FindWinner(int T,vi L,vi R){
    N = L.size();
    int cur = 0;
    for(i=0;i<N;i++) ed[i]={L[i],R[i]};
    while(cur>=0){
        ok[cur] = 1;
        if(ed[cur].second==-1||acc(ed[cur].second)==-1) f=1;
        cur = ed[cur].first;
    }
    if(acc(0)==-2) return 0;
    else return f;
}
 
 
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• Subtask 1: 0 / 11
• Subtask 2: 0 / 25
• Subtask 3: 0 / 64