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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int arr[]={1, 2, 3, 4, 1, 2, 3, 4};
  6. 	int n=sizeof(arr)/sizeof(arr[0]);
  7. 	int k=3;
  8. 	bool flag=false;
  9. 	for(int i=0;i<n-k;i++){
  10. 		for(int j=i+1;j<=i+k;j++){
  11. 			if(arr[i]==arr[j])
  12. 			{
  13. 				cout<<"yes";
  14. 				flag=true;
  15. 				break;
  16. 			}
  17. 		}
  18. 	}
  19. 	if(flag==false)
  20. 		cout<<"no";
  21. 	return 0;
  22. }
  23.  
  24.  
Success #stdin #stdout 0s 5320KB
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stdin
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Standard input is empty
stdout
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no
https://ideone.com/9NLq4o
language:
C++ (gcc 8.3)
created:
3 hours ago
visibility:
public

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