Submission #1025869

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1025869	2024-07-17T10:53:24 Z	parsadox2	Toy Train (IOI17_train)	C++17	0 / 100	1424 ms	1472 KB

train

#include "train.h"
#include <bits/stdc++.h>

using namespace std;

const int N = 5e3 + 10;

int n , m , st;
vector <int> adj[N];
bool dead[N] , marked[N] , cyc[N];
bool vis[N][2];

void Dfs(int v , int ty)
{
	vis[v][ty] = true;
	if(dead[v] && ty == 0)
	{
		Dfs(v , 1);
		return;
	}
	for(auto u : adj[v])
	{
		if(u == st && ty == 1)
			cyc[st] = true;
		if(!vis[u][ty])
			Dfs(u , ty);
	}
}

bool Solve(int v)
{
	marked[v] = true;
	if(cyc[v])
		return true;
	bool flg = false;
	for(auto u : adj[v])  if(!marked[u])
		flg |= Solve(u);
	return flg;
}

vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) {
	n = a.size();
	m = u.size();
	vector<int> res(a.size());
	for(int i = 0 ; i < n ; i++)
		dead[i] = r[i];
	for(int i = 0 ; i < m ; i++)
		adj[u[i]].push_back(v[i]);
	for(int i = 0 ; i < n ; i++)  if(!dead[i])
	{
		//cout << "DFS " << i << endl;
		st = i;
		memset(vis , false , sizeof vis);
		Dfs(i , 0);
	}
	for(int i = 0 ; i < n ; i++)
	{
		memset(marked , false , sizeof marked);
		res[i] = Solve(i);
	}
	return res;
}

Subtask #1
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	164 ms	1116 KB	3rd lines differ - on the 14th token, expected: '1', found: '0'
2	Halted	0 ms	0 KB	-

Subtask #2
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	0 ms	348 KB	3rd lines differ - on the 8th token, expected: '0', found: '1'
2	Halted	0 ms	0 KB	-

Subtask #3
0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	241 ms	1472 KB	Output is correct
2	Correct	194 ms	1436 KB	Output is correct
3	Correct	179 ms	1420 KB	Output is correct
4	Correct	1145 ms	1356 KB	Output is correct
5	Correct	1067 ms	1308 KB	Output is correct
6	Correct	776 ms	1204 KB	Output is correct
7	Correct	204 ms	1116 KB	Output is correct
8	Correct	337 ms	1112 KB	Output is correct
9	Correct	320 ms	1448 KB	Output is correct
10	Correct	454 ms	1168 KB	Output is correct
11	Incorrect	387 ms	1112 KB	3rd lines differ - on the 89th token, expected: '1', found: '0'
12	Halted	0 ms	0 KB	-