Submission #1011883

#	Time	Username	Problem	Language	Result	Execution time	Memory
1011883		AdamGS	Football (info1cup20_football)	C++17	100 / 100	27 ms	2208 KiB

football

#include<bits/stdc++.h>
using namespace std;
typedef long double ld;
typedef long long ll;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int LIM=1e5+7;
int T[LIM];
void solve() {
  int n, k;
  cin >> n >> k;
  rep(i, n) cin >> T[i];
  while(k) {
    int x=0;
    rep(i, n) x^=T[i]%2;
    if(x) {
      cout << 1;
      return;
    }
    k/=2;
    rep(i, n) T[i]/=2;
  }
  cout << 0;
}
int main() {
  ios_base::sync_with_stdio(0); cin.tie(0);
  int _=1;
  cin >> _;
  while(_--) solve();
  cout << '\n';
}

• 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