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Submission #380293

# Submission time Handle Problem Language Result Execution time Memory
380293 2021-03-20T22:38:54 Z SuhaibSawalha1 Stations (IOI20_stations) C++17
0 / 100
 854 ms 1120 KB 
#include "stations.h"
#include <bits/stdc++.h>
using namespace std;

vector<vector<int>> adj;
int n;
vector<int> lb;

bool find (int u, int p, int t) {
	if (u == t) {
		return 1;
	}
	for (int v : adj[u]) {
		if (v ^ p && find(v, u, t)) {
			return 1;
		}
	}
	return 0;
}

vector<int> label(int n, int k, vector<int> u, vector<int> v) {
	::n = n;
	adj.clear();
	adj.resize(n);
	lb.resize(n);
	for (int i = 0; i < n - 1; ++i) {
		if (u[i] >= n || v[i] >= n) {
			return {};
		}
		adj[u[i]].push_back(v[i]);
		adj[v[i]].push_back(u[i]);
	}
	iota(lb.begin(), lb.end(), 0);
	return lb;
}

int find_next_station(int s, int t, vector<int> c) {
	if (c.size() >= 2) {
		return 1e9;
	}
	return find(c[0], s, t) ? c[0] : c[1];
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 4 ms 992 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Runtime error 6 ms 992 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Runtime error 4 ms 1100 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 854 ms 736 KB Output is correct
2 Runtime error 2 ms 1104 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Runtime error 5 ms 1120 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -