Submission #1232246

#	Time	Username	Problem	Language	Result	Execution time	Memory
1232246		Solikha	Football (info1cup20_football)	C++20	100 / 100	19 ms	584 KiB

football

#include "bits/stdc++.h"
using namespace std;
#define int long long
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define ss second
#define ff first
#define pb push_back 

void solve(){
  int n, k; cin >> n >> k;
  vector<int> v(n);
  for(int &i : v) cin >> i;

  int i = 0;
  while(k >= (1ll << i)){
    int x = 0;
    for(int a : v){
      x ^= (a & (1ll << i));
    }
    if(x > 0){
      cout << 1; return;
    }
    i++;
  }
  cout << 0;
}
 
signed main() {
  cin.tie(nullptr)->sync_with_stdio(false);
  int t = 1; cin >> t;
  while(t--){
    solve();
    //cout << endl;
  }
  return 0;
}

• Subtask 1: 26 / 26
• Subtask 2: 8 / 8
• Subtask 3: 11 / 11
• Subtask 4: 8 / 8
• Subtask 5: 16 / 16
• Subtask 6: 16 / 16
• Subtask 7: 7 / 7
• Subtask 8: 8 / 8