Submission #1076901

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1076901	2024-08-26T18:31:08 Z	Gray	Toy Train (IOI17_train)	C++17	0 / 100	5 ms	1884 KB

train

#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<pair<ll, ll>> edge;
vector<vector<ll>> A;
ll n, m;

void dfs(ll u, vector<ll> &vis, vector<ll> &dp, vector<ll> &cnt, ll top){
	cnt[u]=top;
	if (isc[u]) top++;
	vis[u]=1;
	dp[u]=0;
	for (auto i:A[u]){
		ll v = edge[i].ff^edge[i].ss^u;
		if (vis[v]==1) {
			if (cnt[v]==top) dp[u]=1;
			continue;
		}else if (vis[v]==0){
			dfs(v, vis, dp, cnt, top);
		}
		dp[u]|=dp[v];
	}
	vis[u]=2;
}

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);
	edge.clear(); edge.resize(m);
	for (ll i=0; i<m; i++){
		edge[i] = {u[i], v[i]};
		A[u[i]].push_back(i);
	}
	vector<ll> vis(n), dp(n), cnt(n);
	for (ll i=0; i<n; i++){
		if (!vis[i]){
			dfs(i, vis, dp, cnt, 0);
		}
	}
	for (ll i=0; i<n; i++) dp[i]=!dp[i];
	return dp;
}

Subtask #1
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	3 ms	1368 KB	3rd lines differ - on the 14th token, expected: '1', found: '0'
2	Halted	0 ms	0 KB	-

Subtask #2
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	1 ms	348 KB	3rd lines differ - on the 2nd token, expected: '1', found: '0'
2	Halted	0 ms	0 KB	-

Subtask #3
0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	1884 KB	Output is correct
2	Correct	4 ms	1860 KB	Output is correct
3	Correct	5 ms	1628 KB	Output is correct
4	Incorrect	5 ms	1856 KB	3rd lines differ - on the 1st token, expected: '1', found: '0'
5	Halted	0 ms	0 KB	-