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Submission #295169

# Submission time Handle Problem Language Result Execution time Memory
295169 2020-09-09T14:05:14 Z williamMBDK Toy Train (IOI17_train) C++11
5 / 100
 183 ms 262148 KB 
#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(res[node] != -1) return res[node];
	bool b = 0;
	for(auto e : adj[node]){
		if(e == node) b = 1;
		else{
			res[node] = dfs(e);
		}
	}
	if(res[node] == -1) res[node] = r[node];
	else if(b && a[node]){
		if(r[node]) res[node] = 1; 
	}else if(b && !a[node]){
		if(!r[node]) res[node] = 0;
	}
	return res[node];
}
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, -1);
	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++){
		res[i] = dfs(i);	
	}
	return res;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1280 KB Output is correct
2 Correct 6 ms 1152 KB Output is correct
3 Correct 5 ms 1024 KB Output is correct
4 Correct 5 ms 1024 KB Output is correct
5 Correct 12 ms 1020 KB Output is correct
6 Correct 4 ms 896 KB Output is correct
7 Correct 6 ms 896 KB Output is correct
8 Correct 6 ms 896 KB Output is correct
9 Correct 5 ms 896 KB Output is correct
10 Correct 4 ms 896 KB Output is correct
11 Correct 4 ms 896 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 170 ms 262148 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1536 KB Output is correct
2 Correct 8 ms 1408 KB Output is correct
3 Correct 8 ms 1536 KB Output is correct
4 Runtime error 175 ms 262148 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Runtime error 183 ms 262148 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Runtime error 177 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #6
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1280 KB Output is correct
2 Correct 6 ms 1152 KB Output is correct
3 Correct 5 ms 1024 KB Output is correct
4 Correct 5 ms 1024 KB Output is correct
5 Correct 12 ms 1020 KB Output is correct
6 Correct 4 ms 896 KB Output is correct
7 Correct 6 ms 896 KB Output is correct
8 Correct 6 ms 896 KB Output is correct
9 Correct 5 ms 896 KB Output is correct
10 Correct 4 ms 896 KB Output is correct
11 Correct 4 ms 896 KB Output is correct
12 Runtime error 170 ms 262148 KB Execution killed with signal 9
13 Halted 0 ms 0 KB -