제출 #854449

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
854449	2023-09-27 16:43:27	gun_gan	공장들 (JOI14_factories)	C++17	100 / 100	3699 ms	384656 KiB

factories

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#include "factories.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
 
const int MX = 5e5 + 5;
 
int N, Q;
 
ll sz[MX], ans[MX];
bool removed[MX];
 
vector<pair<int,int>> g[MX];
 
int getSize(int v, int p) {
      sz[v] = 1;
      for(auto [u, w] : g[v]) {
            if(u == p || removed[u]) continue; 
            sz[v] += getSize(u, v);
      }
      return sz[v];
}
 
int getCentroid(int v, int p, int size) {
      for(auto [u, w] : g[v]) {
            if(u != p && sz[u] > size / 2 && !removed[u]) {
                  return getCentroid(u, v, size);
            }
      }
 
 
 
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• Subtask 2: 18 / 18
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