Submission #295151

#	Time	Username	Problem	Language	Result	Execution time	Memory
295151		williamMBDK	Toy Train (IOI17_train)	C++11	0 / 100	93 ms	1536 KiB

train

#include<bits/stdc++.h>
using namespace std;
#include "train.h"
vector<vector<int>> adj;
vector<bool> v;
vector<int> res;
vector<int> a, r;
bool dfs(int node){
	if(v[node]) {
		return r[node];
	}
	v[node] = 1;
	if(r[node]) return r[node];
	for(auto e : adj[node]){
		if(dfs(e)){
			return 1;
		}
	}
	return 0;
}
std::vector<int> who_wins(std::vector<int> ta, std::vector<int> tr, std::vector<int> u, std::vector<int> tv) {
	int N = ta.size();
	int M = u.size();
	adj = vector<vector<int>> (N);
	res = vector<int> (N);
	a = ta;
	r = tr;
	for(int i = 0; i < M; i++) {
	       	adj[u[i]].push_back(tv[i]); 
	}
	for(int i = 0; i < N; i++){
		v = vector<bool> (N);
		res[i] = dfs(i);	
	}
	return res;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 11
• Subtask 4: 0 / 11
• Subtask 5: 0 / 12
• Subtask 6: 0 / 51