Submission #591787

#	Time	Username	Problem	Language	Result	Execution time	Memory
591787		APROHACK	Stations (IOI20_stations)	C++14	0 / 100	804 ms	532 KiB

stations

#include "stations.h"
#include <bits/stdc++.h>
#include <vector>
#define ff first
#define ss second
#define ll long long
#define pb push_back
using namespace std;
const int N = 1005;
vector<int>adj[N];
bool vis[N];
int cur = 0;
int labeled[N];
void dfs(int node){
	vis[node]=true;
	labeled[node]=cur;
	cur++;
	for(int i = 0 ;i < adj[node].size() ; i++){
		if(!vis[adj[node][i]])dfs(adj[node][i]);
	}

}
vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
	vector<int> labels(n);
	for(int i = 0 ; i < n-1  ; i ++){
		adj[u[i]].pb(v[i]);
		adj[v[i]].pb(u[i]);
	}
	dfs(0);
	for(int i = 0 ; i < n ; i ++){
		labels[i]=labeled[i];
	}
	return labels;
}

int find_next_station(int s, int t, vector<int> c) {
	if(t<s)return c[0];
	else{
		int lastmenor=0;
		for(int i = 0 ; i < c.size() ; i++){
			if(c[i]<=t)lastmenor=i;
		}
		return c[lastmenor];
	}
}

Compilation message (stderr)

stations.cpp: In function 'void dfs(int)':
stations.cpp:18:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |  for(int i = 0 ;i < adj[node].size() ; i++){
      |                 ~~^~~~~~~~~~~~~~~~~~
stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:40:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |   for(int i = 0 ; i < c.size() ; i++){
      |                   ~~^~~~~~~~~~

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