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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	ios_base::sync_with_stdio(false);
  6. 	cin.tie(0);
  7. 	int k;
  8. 	cin >> k;
  9. 	string s;
  10. 	cin >> s;
  11. 	int l, r, flag=0, ans=0;
  12. 	for(int i=0; i<s.size()-k+1; i++)
  13. 	{
  14. 		flag=0;
  15. 		l=i;
  16. 		r=i+k-1;
  17. 		for(int j=0; j<k/2; j++)
  18. 		{
  19. 			if(s[l+j]!=s[r-j]){	
  20. 				flag=1;
  21. 				break;
  22. 			}
  23. 		}
  24. 		if(flag==0){
  25. 			ans++;
  26. 		}
  27. 	}
  28. 	cout << ans;
  29. 	return 0;
  30. }
Success #stdin #stdout 0s 4460KB
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stdin
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3
CaccaC
stdout
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Standard output is empty
https://ideone.com/AolJxR
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
secret

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