Submission #448091

#	Time	Username	Problem	Language	Result	Execution time	Memory
448091		cadmiumsky	Football (info1cup20_football)	C++14	100 / 100	245 ms	1976 KiB

football

#include <iostream>

using std::cin;
using std::cout;

static void testcase() {
  int n,k,xsum=0;
  cin >> n >> k;
  for(int i=0,x; i<n; i++)
    cin >> x,xsum^=x;
  for(int i=1; i<=k; i<<=1) {
    if(i&xsum) {
      cout << "1";
      return;
    }
  }
  cout << "0";
}

int main() {
  int t;
  cin >> t;
  while(t--)
    testcase();
  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