Submission #478384

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
478384	2021-10-07 06:52:46	pluto_ish	Village (BOI20_village)	C++14	50 / 100	94 ms	19164 KiB

Village

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#include <bits/stdc++.h>
 
#define pb push_back
#define ff first
#define ss second
 
using namespace std;
 
typedef long long ll;
typedef unsigned long long ull;
 
const ll INF = (ll)1<<62;
const ll MOD = 1e9+7;
const int iINF = 1<<30;
const double PI = 3.14159265359;
int ans;
vector<int> to, revto;
vector<vector<int> > adj;
int dfs(int u, int p){
  vector<int> tmp;
  for(int v : adj[u]){
    if(v == p) continue;
    int x = dfs(v, u);
    if(x != -1) tmp.pb(x);
  }
  tmp.pb(u);
 
 
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• Subtask 1: 6 / 12
• Subtask 2: 19 / 38
• Subtask 3: 25 / 50