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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n,k;
  6. 	cin>>n>>k;
  7.  
  8. 	vector<int> numbers(n);
  9.  
  10. 	for(auto& number: numbers){
  11. 		cin>>number;
  12. 	}
  13.  
  14. 	bool answer = false;
  15.  
  16. 	for(int i=0; i<n; i++){
  17. 		for(int j=i+1; j<n; j++){
  18. 			if(numbers[j] == numbers[i]){
  19. 				if(j - i <= k){
  20. 					answer = true;
  21. 					break;
  22. 				}
  23. 			}
  24. 		}
  25.  
  26. 		if(answer)break;
  27. 	}
  28.  
  29. 	(answer == true)?(cout<<"yes"):(cout<<"no");
  30.  
  31. 	return 0;
  32. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
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5 3
3 2 4 5 3
stdout
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no
https://ideone.com/BWQhp3
language:
C++14 (gcc 8.3)
created:
2 days ago
visibility:
public

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