Submission #295954

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
295954	2020-09-10T06:34:58 Z	Trickster	Toy Train (IOI17_train)	C++14	0 / 100	2000 ms	8824 KB

train

#include "train.h"
#include <algorithm>
#include <string.h>
#include <iostream>
#include <stdio.h>
#include <vector>
#include <queue>
#include <cmath>
#include <set>
#include <map>

using namespace std;

#define N 5010
#define ff first
#define ss second
#define ll long long
#define pb push_back
#define mod 1000000007
#define pii pair <int, int>
#define sz(a) int(a.size())
// #pragma GCC target ("avx2")
// #pragma GCC optimization ("O3")
// #pragma GCC optimization ("unroll-loops")
ll bigmod(ll a,ll e) {if(e==0)return 1;ll x=bigmod(a*a%mod,e>>1);return e&1?x*a%mod:x;}

int n, m;
int A[N];
int vis[N];
vector <int> E[N], T[N];

vector <int> who_wins(vector <int> a, vector <int> r, vector <int> u, vector <int> v)
{
    n = sz(a), m = sz(u);

    for(int i = 0; i < m; i++) E[u[i]].pb(v[i]), T[v[i]].pb(u[i]);

    queue <int> Q;
    for(int i = 0; i < n; i++) {
    	if(r[i] == 0) continue;

    	int ok = 0;
    	for(auto h: E[i]) if(i == h) ok = 1;

    	if(ok == 1 && a[i] == 1) Q.push(i), vis[i] = 1;
    }

    while(!Q.empty()) {
    	int nd = Q.front();
    	Q.pop();

    	A[nd] = 1;
    	for(auto i: T[nd]) {
    		if(vis[i] == 1) continue;

    		int ok = 1;
    		if(a[i] == 0) for(auto j: E[i]) if(i == j) ok = 0;

    		if(ok == 1) Q.push(i);
    	}
    }

    vector <int> ret;
    for(int i = 0; i < n; i++) ret.pb(A[i]);

    return ret;
}

Subtask #1
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	2078 ms	8824 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #2
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	1 ms	512 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	9 ms	1408 KB	Output is correct
2	Correct	9 ms	1440 KB	Output is correct
3	Correct	9 ms	1408 KB	Output is correct
4	Incorrect	12 ms	1408 KB	3rd lines differ - on the 1st token, expected: '1', found: '0'
5	Halted	0 ms	0 KB	-