oj.uz

Submission #1076841

# Submission time Handle Problem Language Result Execution time Memory
1076841 2024-08-26T17:10:12 Z Gray Toy Train (IOI17_train) C++17
0 / 100
 5 ms 1624 KB 
#include "train.h"
#include <bits/stdc++.h>

using namespace std;

#define ll int
#define ff first
#define ss second
#define ln "\n"
#define ld long double

vector<ll> are;
vector<ll> isc;
vector<vector<ll>> A;
ll n, m;

void dfs(ll u, vector<ll> &dp){
	dp[u]=-2;
	bool spec=0;
	for (auto v:A[u]){
		if (v==u) spec=1;
		if (dp[v]==-1) {dfs(v, dp); dp[u]=dp[v];}
	}
	if (spec){
		if (isc[u] and are[u]){
			dp[u]=1;
		}else{
			if (!isc[u] and !are[u]) dp[u]=0;
			else if (dp[u]!=-2) dp[u]=0;
		}
	}
}

vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) {
	n=a.size(); m=v.size();
	isc=r; are=a;
	A.clear(); A.resize(n);
	for (ll i=0; i<m; i++){
		A[u[i]].push_back(v[i]);
	}
	vector<int> dp(n, -1);
	for (ll i=0; i<n; i++){
		if (dp[i]==-1) dfs(i, dp);
	}
	return dp;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 1372 KB 3rd lines differ - on the 26th 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 1st token, expected: '0', found: '-2'
2 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 1624 KB 3rd lines differ - on the 1st token, expected: '0', found: '-2'
2 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 1372 KB 3rd lines differ - on the 1st token, expected: '1', found: '-2'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 1372 KB 3rd lines differ - on the 1st token, expected: '1', found: '-2'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 51.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 1372 KB 3rd lines differ - on the 26th token, expected: '1', found: '0'
2 Halted 0 ms 0 KB -