제출 #1160277

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
1160277	2025-03-02 07:14:34	Kaztaev_Alisher	Spring cleaning (CEOI20_cleaning)	C++20	28 / 100	1096 ms	21064 KiB

cleaning

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#include <bits/stdc++.h>
#define ios ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define file(s) if (fopen(s".in", "r")) freopen(s".in", "r", stdin), freopen(s".out", "w", stdout)
#define all(a) a.begin() , a.end()
#define F first
#define S second
using namespace std;
using ll = long long;
const ll N = 2e5+5 , inf = 2e9 + 7;
const ll INF = 1e18 ,   mod = 1e9+7;
ll a[N] , b[N] , sz[N] , par[N] , cnt[N];
vector<int> g[N];
int ans = 0;
void go(int v , int p){
  par[v] = p;
  sz[v] = 0;
  for(int to : g[v]){
    if(to != p){
      go(to,v);
      sz[v] += sz[to];
    }
  }
  if(g[v].size() == 1) sz[v] = 1;
  if(sz[v] % 2 == 0) ans++;
}
void add(int x , int kol , int p){
 
 
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• Subtask 2: 9 / 9
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• Subtask 5: 19 / 19
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• Subtask 7: 0 / 30