제출 #387713

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
387713	2021-04-09 06:13:38	wind_reaper	공장들 (JOI14_factories)	C++17	100 / 100	6975 ms	225272 KiB

factories

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#include <bits/stdc++.h>
#ifndef LOCAL
  #include "factories.h"
#endif
 
using namespace std;
 
const int MXN = 500000;
const int lg = 20;
const int64_t INF = 1e18;
vector<int64_t> dist[MXN];
int par[MXN], sz[MXN], r[MXN];
int64_t best[MXN];
vector<array<int, 2>> g[MXN];
 
int hit[10*MXN], ptr = 0;
 
int dfs(int node, int p){ 
  sz[node] = 1;
 
  for(auto& [v, d] : g[node]){
    if(v == p)
      continue;
    sz[node] += dfs(v, node);
  }
 
  return sz[node];
 
 
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