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  1. #include <iostream>
  2. #include <algorithm>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	long long n, k, a[100000], b[100000], middle;
  7. 	cin >> n >> k;
  8. 	for (int i = 0; i < n; i++) {
  9. 		cin >> a[ i ];
  10. 	}
  11.                   sort (a, a+n);
  12. 	for(int i = 0; i < k; i++) {
  13. 		cin >> b[ i ];
  14. 	}
  15. 	for(int i = 0; i < k; i++) {
  16. 		long long left = 0;
  17. 		long long right = n - 1;
  18. 		while( left <= right && a[middle] != b[ i ]) {
  19. 		    middle = ( left + right ) / 2;
  20. 		    if(a[middle] < b[ i ]) left = middle + 1;
  21. 		    if(a[middle] > b[ i ]) right = middle - 1;
  22.                       }
  23. 	                if ( left > right ) cout << "NO" << endl;
  24. 		     else cout << "YES" << endl;
  25. 	}
  26. 	return 0;
  27. }
Success #stdin #stdout 0s 16672KB
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https://ideone.com/UgUJQn
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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