Submission #985411

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
985411	2024-05-17 18:55:01	FZ_Melo	Stations (IOI20_stations)	C++14	52.32 / 100	634 ms	1476 KiB

stations

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#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
vector<vector<int>> adj;
int tam[1001];
void dfs(int node, int ant, vector<int> &labels, int &num){
  labels[node]=num;
  num++;
  tam[node]=0;
  for(int h: adj[node]){
    if(h==ant)
      continue;
    dfs(h, node, labels, num);
    tam[node]+=tam[h]+1;
  }
  labels[node]*=1000;
  labels[node]+=tam[node];
}
std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
  vector<int> labels(n);
  adj.clear();
  adj.resize(n+1);
  int num=0;
  for(int i=0; i<n-1; i++){
    adj[u[i]].push_back(v[i]);
    adj[v[i]].push_back(u[i]);
  }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:39:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |   for(int i=0; i<c.size(); i++){
      |                ~^~~~~~~~~
stations.cpp:45:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |   for(int i=0; i<c.size(); i++){
      |                ~^~~~~~~~~
stations.cpp:54:1: warning: control reaches end of non-void function [-Wreturn-type]
   54 | }
      | ^

• Subtask 1: 0 / 5
• Subtask 2: 0 / 8
• Subtask 3: 16 / 16
• Subtask 4: 10 / 10
• Subtask 5: 26.3244 / 61