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  1. #include <iostream>
  2. #include <cstring>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	char a[100001], b[100001]; 
  7. 	int l1, l2, l, k = 0;
  8. 	cin >> a >> b >> l;
  9. 	l1 = strlen(a);
  10. 	l2 = strlen(b);
  11. 	if (l1 < l || l2 < l) cout << "NO";
  12. 	else {
  13. 		for (int i = 0; i < l1; i ++) {
  14. 			for (int j = i; j <= l ; j ++) {
  15. 				if (a[j] == b[j]) k ++;
  16. 				else i++;
  17. 				if (k == l) {
  18. 					cout << "YES";
  19. 					return 0;
  20. 				}
  21. 			}
  22. 			k = 0;
  23. 		}
  24. 		cout << "NO";
  25. 	}
  26. 	return 0;
  27. }
Success #stdin #stdout 0s 15432KB
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raabca
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YES
https://ideone.com/edNOEV
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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