제출 #660228

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
660228	2022-11-21 08:51:47	MilosMilutinovic	Amusement Park (JOI17_amusement_park)	C++14	10 / 100	701 ms	262144 KiB

Joi

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#include "Joi.h"
#include <bits/stdc++.h>
using namespace std;
void Joi(int n, int m, int u[], int v[], long long x, int t) {
  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]);
  }
  const int L = 20;
  vector<vector<int>> pr(n, vector<int>(L));
  vector<int> dep(n);
  function<void(int, int)> Dfs = [&](int v, int pv) {
    pr[v][0] = pv;
    for (int j = 1; j < L; j++) {
      pr[v][j] = pr[pr[v][j - 1]][j - 1];
    }
    for (int u : g[v]) {
      if (u == pv) {
        continue;
      }
      dep[u] = dep[v] + 1;
      Dfs(u, v);
    }
  };
  Dfs(0, 0);
  auto LCA = [&](int x, int y) {
    if (dep[x] < dep[y]) {
 
 
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Ioi

 
 
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