Submission #524949

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
524949	2022-02-10 11:27:42	Turkhuu	기지국 (IOI20_stations)	C++17	100 / 100	997 ms	736 KiB

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#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> label(int n, int K, vector<int> U, vector<int> V){
  vector<vector<int>> g(n);
  for(int i = 0; i < n - 1; i++){
    g[U[i]].push_back(V[i]);
    g[V[i]].push_back(U[i]);
  }
  vector<int> a(n);
  int k = 1;
  function<void(int, int)> dfs = [&](int u, int anc){
    for(int v : g[u]){
      if(v == anc){
        continue;
      }
      a[v] = k++;
      for(int w : g[v]){
        if(w != u){
          dfs(w, v);
        }
      }
    }
    a[u] = k++;
  };
  a[0] = 0;
  for(int v : g[0]){
    dfs(v, 0);
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 8 / 8
• Subtask 3: 16 / 16
• Subtask 4: 10 / 10
• Subtask 5: 61 / 61