Submission #818609

#	Time	Username	Problem	Language	Result	Execution time	Memory
818609		Soumya1	Football (info1cup20_football)	C++17	100 / 100	32 ms	2004 KiB

football

#include <bits/stdc++.h>
#ifdef __LOCAL__
  #include <debug_local.h>
#endif
using namespace std;
void testCase() {
  int n, k;
  cin >> n >> k;
  vector<int> a(n);
  for (int &i : a) cin >> i;
  while (true) {
    int sum = 0;
    for (int i : a) sum += i % 2;
    if (sum % 2) {
      cout << "1";
      return;
    } else if (k == 1) {
      cout << "0";
      return;
    } else {
      for (int &i : a) i /= 2;
      k /= 2;
    }
    int s = 0;
    for (int i : a) s |= i;
    if (!s) break;
  }
  cout << "0";
}
int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  int tc;
  cin >> tc;
  while (tc--) {
    testCase();
  }
  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