Submission #654912

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
654912	2022-11-01 22:56:23	inksamurai	Village (BOI20_village)	C++17	50 / 100	74 ms	22400 KiB

Village

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#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define rng(i,c,n) for(int i=c;i<n;i++)
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define vec(...) vector<__VA_ARGS__>
#define _3fm6nhZ ios::sync_with_stdio(0),cin.tie(0)
typedef long long ll;
using pii=pair<int,int>;
using vi=vector<int>;
void print(){cout<<'\n';}
template<class h,class...t>
void print(const h&v,const t&...u){cout<<v<<' ',print(u...);}
// difficult !!!
signed main(){
_3fm6nhZ;
  int n;
  cin>>n;
  vec(vi) adj(n);
  rep(i,n-1){
    int u,v;
    cin>>u>>v;
    u-=1,v-=1;
    adj[u].pb(v);
 
 
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• Subtask 1: 6 / 12
• Subtask 2: 19 / 38
• Subtask 3: 25 / 50