제출 #866381

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
866381	2023-10-26 03:59:31	NeroZein	Spring cleaning (CEOI20_cleaning)	C++17	100 / 100	133 ms	27416 KiB

cleaning

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#include "bits/stdc++.h"
using namespace std;
#ifdef Nero
#include "Deb.h"
#else
#define deb(...)
#endif
const int N = 1e5 + 5;
const int LOG = 18; 
vector<int> g[N]; 
vector<int> vg[N]; 
int ans; 
bool isCrit[N]; 
int leaves[N], ev[N]; 
int cnt, in[N], out[N];  
int pr[LOG][N], dep[N]; 
void dfs(int v, int p) {
  if (g[v].size() == 1) {
    leaves[v] = 1; 
  }
  in[v] = cnt++; 
  for (int u : g[v]) {
    if (u == p) {
      continue;
    }
 
 
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