Submission #1159384

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1159384	2025-02-28 11:26:02	mendeke	Spring cleaning (CEOI20_cleaning)	C++20	0 / 100	1097 ms	13596 KiB

cleaning

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//#pragma GCC optimize("O3,unroll-loops")
//#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#include<bits/stdc++.h>
#define ll long long
#define F first
#define S second
#define pb push_back
#define pf push_front
#define ppb pop_back
#define ppf pop_front
#define all(x) x.begin(), x.end()
const int mod = 1e9 + 7;
const int N = 300001;
using namespace std;
ll n, q, m, a, b, c, d[N], cntleaves, p[N], sz[N], timer, cen, ans;
vector <ll> g[N], v;
pair <ll, ll> e[N];
void pre_calc (ll v, ll pr){
  sz[v] = 1;
  for (auto i: g[v]){
    if (i != pr){
      pre_calc (i, v);
      sz[v] += sz[i];
    }
  }
}
 
 
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