Submission #319711

#	Time	Username	Problem	Language	Result	Execution time	Memory
319711		Drew_	Stations (IOI20_stations)	C++14	0 / 100	897 ms	1132 KiB

stations

#include "stations.h"
#include <vector>

#include <bits/stdc++.h>
using namespace std;

#define pb push_back

std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
	std::vector<int> labels(n, -1);
	vector<vector<int>> adj(n);

	for (int i = 0; i < n-1; ++i)
	{
		adj[u[i]].pb(v[i]);
		adj[v[i]].pb(u[i]);
	}

	int ctr = 0;
	function<void (int)> dfs = [&](int node)
	{
		labels[node] = ctr++;
		for (int to : adj[node])
		{
			if (labels[to] == -1)
				dfs(to);
		}
	};
	dfs(0);

	return labels;
}

int find_next_station(int s, int t, std::vector<int> c) {
	if (s < t)
	{
		for (int x : c)
			if (x > s && x <= t)
		{
			return x;
		}
	}

	return c[0];
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 8
• Subtask 3: 0 / 16
• Subtask 4: 0 / 10
• Subtask 5: 0 / 61