Submission #150243

#	Time	Username	Problem	Language	Result	Execution time	Memory
150243		갓띵건 (#200)	Bulb Game (FXCUP4_bulb)	C++17	100 / 100	107 ms	7388 KiB

bulb

#include "bulb.h"
#include<bits/stdc++.h>
using namespace std;

#define fast ios::sync_with_stdio(false);cin.tie(0)
#define fi first
#define se second
#define eb emplace_back
#define pb push_back
#define all(v) (v).begin(), (v).end()
#define pre(a) cout<<fixed;cout.precision(a)

typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll, ll> pll;
const int inf = 1e9;
const ll INF = 1e18;

int n;
vector<int> l, r;

int dfs(int x) {
	if(x < 0) return x;
	return dfs(l[x]);
}

int FindWinner(int T, std::vector<int> L, std::vector<int> R){
	n = L.size();
	l = L;
	r = R;

	bool flag;
	for(int i=0; i<n; i++) {
		swap(l[i], r[i]);

		flag = true;
		int cnt = 0;
		for(int j=0; j>=0; j = l[j], cnt++) {
			if(dfs(r[j]) == -2) flag = false;
		}
		if(cnt < n && dfs(0) == -2) flag = false;

		swap(l[i], r[i]);

		if(flag) return 1;
	}

	return 0;
}

• Subtask 1: 11 / 11
• Subtask 2: 25 / 25
• Subtask 3: 64 / 64