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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	int k,n;
  7. 	cin>>k>>n;
  8. 	int arr[n];
  9. 	for(int i=0;i<n;i++){
  10. 		cin>>arr[i];
  11. 	}
  12.  
  13. 	for(int i=0;i<n;i++){
  14. 		for(int j=i+1;j<n;j++){
  15. 			if((arr[i]==arr[j]) && (j-i<=k)){
  16. 			cout<<"yes";
  17. 			return 0;
  18.  
  19.  
  20. 		}
  21.  
  22. 	}
  23. }
  24. 	cout<<"no";
  25. 	return 0;
  26. }
Success #stdin #stdout 0s 5248KB
comments (?)
stdin
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2 6
1 2 3 2 4 5
stdout
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yes
https://ideone.com/ttnpnq
language:
C++ (gcc 8.3)
created:
47 minutes ago
visibility:
public

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