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Submission #703790

# Submission time Handle Problem Language Result Execution time Memory
703790 2023-02-28T12:06:13 Z Abrar_Al_Samit Toy Train (IOI17_train) C++17
15 / 100
 2000 ms 1328 KB 
#include<bits/stdc++.h>
#include "train.h"
using namespace std;

const int nax = 5000;
int n, m;
vector<int>g[nax];
vector<int>A, R;
vector<int>cr(nax, -1);
vector<int>stk;

bool solve(int v) {
	cr[v] = stk.size();
	stk.push_back(v);

	bool win = false;
	for(int u : g[v]) {
		if(cr[u]==-1) {
			win |= solve(u) ^ (A[v]!=A[u]);
		} else {
			bool is = false;
			for(int j=stk.size()-1; j>=cr[u]; --j) {
				is |= R[stk[j]];
			}
			if(is && A[v]) win = true;
			else if(!is && !A[v]) win = true;
		}	
	}
	cr[v] = -1;
	stk.pop_back();
	return win;
}
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<m; ++i) {
		g[u[i]].push_back(v[i]);
	}

	A = a, R = r;
	vector<int>res(n);
	for(int i=0; i<n; ++i) {
		res[i] = solve(i) ^ (A[i]!=1);
	}
	return res;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 293 ms 1260 KB Output is correct
2 Correct 99 ms 1124 KB Output is correct
3 Correct 45 ms 980 KB Output is correct
4 Correct 16 ms 964 KB Output is correct
5 Correct 10 ms 852 KB Output is correct
6 Correct 5 ms 832 KB Output is correct
7 Correct 5 ms 852 KB Output is correct
8 Correct 4 ms 852 KB Output is correct
9 Correct 4 ms 852 KB Output is correct
10 Correct 3 ms 840 KB Output is correct
11 Correct 5 ms 836 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 264 ms 424 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 436 KB Output is correct
8 Correct 5 ms 340 KB Output is correct
9 Correct 84 ms 436 KB Output is correct
10 Correct 1 ms 440 KB Output is correct
11 Correct 31 ms 444 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 440 KB Output is correct
17 Correct 1 ms 436 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 444 KB Output is correct

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2053 ms 1020 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2073 ms 1088 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2063 ms 1328 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 293 ms 1260 KB Output is correct
2 Correct 99 ms 1124 KB Output is correct
3 Correct 45 ms 980 KB Output is correct
4 Correct 16 ms 964 KB Output is correct
5 Correct 10 ms 852 KB Output is correct
6 Correct 5 ms 832 KB Output is correct
7 Correct 5 ms 852 KB Output is correct
8 Correct 4 ms 852 KB Output is correct
9 Correct 4 ms 852 KB Output is correct
10 Correct 3 ms 840 KB Output is correct
11 Correct 5 ms 836 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 264 ms 424 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 436 KB Output is correct
19 Correct 5 ms 340 KB Output is correct
20 Correct 84 ms 436 KB Output is correct
21 Correct 1 ms 440 KB Output is correct
22 Correct 31 ms 444 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 440 KB Output is correct
28 Correct 1 ms 436 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 444 KB Output is correct
32 Execution timed out 2053 ms 1020 KB Time limit exceeded
33 Halted 0 ms 0 KB -