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Submission #428652

# Submission time Handle Problem Language Result Execution time Memory
428652 2021-06-15T13:32:49 Z vanic Toy Train (IOI17_train) C++14
0 / 100
 838 ms 1868 KB 
#include "train.h"
#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <cstring>

using namespace std;

const int maxn=5005;

int n, m;
vector < int > ms[maxn];
vector < int > rev[maxn];
int charge[maxn];
int tko[maxn];
bool bio[maxn];
vector < int > sol;
int poc;

int dfs(int x){
	if(x==poc){
		return 1;
	}
	if(bio[x]){
		return 0;
	}
	bio[x]=1;
	for(int i=0; i<(int)ms[x].size(); i++){
		if(dfs(ms[x][i])){
			return 1;
		}
	}
	return 0;
}

void nazad(int x){
	if(sol[x]){
		return;
	}
	sol[x]=1;
	for(int i=0; i<(int)rev[x].size(); i++){
		nazad(rev[x][i]);
	}
}


vector < int > who_wins(vector < int > a, vector < int > r, vector < int > u, vector < int > v) {
	n=a.size();
	m=u.size();
	for(int i=0; i<n; i++){
		tko[i]=a[i];
		charge[i]=r[i];
	}
	for(int i=0; i<m; i++){
		ms[u[i]].push_back(v[i]);
		rev[v[i]].push_back(u[i]);
	}
	sol.resize(n, 0);
	for(int i=0; i<n; i++){
		if(charge[i]){
			if(dfs(i)){
				nazad(i);
			}
			memset(bio, 0, sizeof(bio));
		}
	}
	bool p=1;
	while(p){
		p=0;
		for(int i=0; i<n; i++){
			if(sol[i]){
				continue;
			}
			for(int j=0; j<(int)ms[i].size(); j++){
				if(sol[ms[i][j]]){
					sol[i]=1;
					p=1;
					break;
				}
			}
		}
	}
	return sol;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 144 ms 1228 KB 3rd lines differ - on the 1st token, expected: '0', found: '1'
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 460 KB 3rd lines differ - on the 1st token, expected: '0', found: '1'
2 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 12 ms 1868 KB 3rd lines differ - on the 1st token, expected: '0', found: '1'
2 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 838 ms 1444 KB 3rd lines differ - on the 2nd token, expected: '1', found: '0'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 9 ms 1612 KB 3rd lines differ - on the 2nd token, expected: '0', found: '1'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 51.0

# Verdict Execution time Memory Grader output
1 Incorrect 144 ms 1228 KB 3rd lines differ - on the 1st token, expected: '0', found: '1'
2 Halted 0 ms 0 KB -