제출 #670525

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
670525	2022-12-09 13:30:47	MilosMilutinovic	Meetings 2 (JOI21_meetings2)	C++14	100 / 100	624 ms	63900 KiB

meetings2

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#include <bits/stdc++.h>
using namespace std;
int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n;
  cin >> n;
  vector<vector<int>> g(n);
  for (int i = 1; i < n; i++) {
    int u, v;
    cin >> u >> v;
    --u; --v;
    g[u].push_back(v);
    g[v].push_back(u);
  }
  vector<int> sz(n);
  function<void(int, int)> DfsSz = [&](int v, int pv) {
    sz[v] = 1;
    for (int u : g[v]) {
      if (u == pv) {
        continue;
      }
      DfsSz(u, v);
      sz[v] += sz[u];
    }
  };
  DfsSz(0, 0);
  function<int(int, int)> Find = [&](int v, int pv) {
 
 
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• Subtask 1: 4 / 4
• Subtask 2: 16 / 16
• Subtask 3: 80 / 80