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Submission #380295

# Submission time Handle Problem Language Result Execution time Memory
380295 2021-03-20T22:50:44 Z SuhaibSawalha1 Stations (IOI20_stations) C++17
0 / 100
 848 ms 868 KB 
#include "stations.h"
#include <bits/stdc++.h>
using namespace std;

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

void dfs (int u, int p = -1) {
	ord.push_back(u);
	for (int v : adj[u]) {
		if (v ^ p) {
			dfs(v, u);
		}
	}
}

vector<int> label(int n, int k, vector<int> u, vector<int> v) {
	::n = n;
	adj.assign(n, {});
	lb.resize(n);
	for (int i = 0; i < n - 1; ++i) {
		adj[u[i]].push_back(v[i]);
		adj[v[i]].push_back(u[i]);
	}
	for (int i = 0; i < n; ++i) {
		if (adj[i].size() == 1) {
			dfs(i);
			break;
		}
	}
	for (int i = 0; i < n; ++i) {
		lb[ord[i]] = i;
	}
	return lb;
}

int find_next_station(int s, int t, vector<int> c) {
	return s > t ? c[0] : c[1];
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 496 KB Invalid labels (duplicates values). scenario=2, label=0
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 492 KB Invalid labels (duplicates values). scenario=3, label=0
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 492 KB Invalid labels (duplicates values). scenario=1, label=0
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 848 ms 868 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 492 KB Invalid labels (duplicates values). scenario=1, label=0
2 Halted 0 ms 0 KB -