Submission #1128482

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1128482	2024-12-21 09:42:07	Alihan_8	The Xana coup (BOI21_xanadu)	C++20	5 / 100	1095 ms	6588 KiB

xanadu

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#include <bits/stdc++.h>
using namespace std;
signed main(){
  int n; cin >> n;
  
  vector <vector<int>> adj(n);
  
  for ( int i = 1; i < n; i++ ){
    int u, v; cin >> u >> v;
    
    --u, --v;
    
    adj[u].push_back(v);
    adj[v].push_back(u);
  }
  
  vector <int> a(n);
  
  for ( auto &u: a ) cin >> u;
  
  int opt = n + 1;
  
  for ( int mask = 0; mask < (1 << n); mask++ ){
    vector <int> b = a;
    
    for ( int i = 0; i < n; i++ ){
      if ( mask >> i & 1 ){
        b[i] ^= 1;
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 0 / 15
• Subtask 3: 0 / 10
• Subtask 4: 0 / 40
• Subtask 5: 0 / 30