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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		// your code goes here
  13. 		Scanner sc = new Scanner(System.in);
  14. 		int n = sc.nextInt();
  15. 		int arr[] = new int[n];
  16. 		for(int i=0;i<n;i++){
  17. 			int val = sc.nextInt();
  18. 			arr[i] = val;
  19. 		}
  20. 		int k = sc.nextInt();
  21. 		boolean result = false;
  22. 		for(int i=0;i<n;i++){
  23. 			int range=k;
  24. 			int j=i+1;
  25. 			while(range>0 && j<n){
  26. 				if(arr[i]==arr[j])
  27. 					result = true;
  28. 				j++;
  29. 				range--;
  30. 			}
  31. 		}
  32.  
  33. 		System.out.println(result);
  34. 	}
  35. }
Success #stdin #stdout 0.13s 54544KB
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stdin
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8
1 2 3 4 1 2 3 4
4
stdout
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true
https://ideone.com/Se599V
language:
Java (HotSpot 12)
created:
13 days ago
visibility:
public

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