답안 #1025570

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1025570	2024-07-17T07:17:09 Z	amirhoseinfar1385	장난감 기차 (IOI17_train)	C++17	0 / 100	1055 ms	1420 KB

train

#include "train.h"
#include<bits/stdc++.h>
using namespace std;
const int maxn=5000+10;
vector<int>adj[maxn];
int n,shar[maxn],arez[maxn],m,dp[maxn],vas[maxn],dide[maxn];

int dfs(int u){
	if(shar[u]){
		return 0;
	}
	if(dide[u]){
		return 1;
	}
	dide[u]=1;
	int ret=0;
	for(auto x:adj[u]){
		ret|=dfs(x);
	}
	return ret;
}

bool ber(int u){
	for(int i=0;i<n;i++){
		vas[i]=dide[i]=0;
	}
	return 1^dfs(u);
}

std::vector<int> who_wins(std::vector<int> a, std::vector<int> r, std::vector<int> u, std::vector<int> v) {
	n=(int)a.size();
	m=(int)u.size();
	for(int i=0;i<=n;i++){
		adj[i].clear();
		shar[i]=vas[i]=dide[i]=dp[i]=arez[i]=0;
	}
	for(int i=0;i<n;i++){
		if(a[i]){
			arez[i]=1;
		}
		if(r[i]){
			shar[i]=1;
		}
	}
	for(int i=0;i<m;i++){
		adj[u[i]].push_back(v[i]);
	}
	for(int i=0;i<n;i++){
		dp[i]=ber(i);
	}
	for(int asd=0;asd<=n;asd++){
		for(int i=0;i<n;i++){
			int cnt=0;
			int f=0;
			for(auto x:adj[i]){
				if(x==i){
					f=1;
					continue;
				}
				if(dp[x]==1){
					cnt++;
				}
			}
			if(arez[i]){
				if(f){
					if(shar[i]==0&&cnt==0){
						dp[i]=0;
					}
				}else{
					if(cnt==0){
						dp[i]=0;
					}
				}
			}else{
				if(f){
					if(shar[i]==0||cnt!=(int)adj[i].size()-1){
						dp[i]=0;
					}
				}else{
					if(cnt!=(int)adj[i].size()){
						dp[i]=0;
					}
				}
			}
		}
	}
	vector<int>res(n);
	for(int i=0;i<n;i++){
		res[i]=dp[i];
	}
	return res;
}

Subtask #1
0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	122 ms	856 KB	3rd lines differ - on the 26th token, expected: '1', found: '0'
2	Halted	0 ms	0 KB	-

Subtask #2
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	1 ms	348 KB	3rd lines differ - on the 2nd token, expected: '1', found: '0'
2	Halted	0 ms	0 KB	-

Subtask #3
0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	247 ms	1420 KB	Output is correct
2	Correct	233 ms	1364 KB	Output is correct
3	Correct	204 ms	1112 KB	Output is correct
4	Incorrect	620 ms	1364 KB	3rd lines differ - on the 1st token, expected: '1', found: '0'
5	Halted	0 ms	0 KB	-