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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.  
  11. 	private static final Scanner scanner = new Scanner(System.in);
  12.  
  13. 	public static void main (String[] args) throws java.lang.Exception
  14. 	{
  15. 		String [] nm = scanner.nextLine().split(" ");
  16.  
  17. 		int n = Integer.parseInt(nm[0]);
  18. 		int k = Integer.parseInt(nm[1]);
  19. 		String[] arrStr = scanner.nextLine().split(" ");
  20. 		int[] arr = new int[arrStr.length];
  21. 		int resp = 0;
  22.  
  23. 		//System.out.println(n);
  24. 		//System.out.println(k);
  25.  
  26. 		for (int i = 0; i < arr.length; i++){
  27. 			arr[i] = Integer.parseInt(arrStr[i]);
  28. 		}
  29. 		/*
  30. 		for (int i = 0; i < arr.length; i++){
  31. 			System.out.println(arr[i]);
  32. 		}
  33. 		*/
  34. 		// Here the algorith begins, I take 10 minutes to format the input.
  35. 		for (int i = 0; i < arr.length; i++){
  36. 			for (int j = 0; j < arr.length; j++){
  37. 				if (i!=j && Math.abs(arr[i]-arr[j]) <= k ){
  38. 					resp = resp + 1;
  39. 				}
  40. 			}
  41. 		}
  42. 		// O(n´2)
  43.  
  44. 		System.out.println("Respuesta: "+ resp);
  45.  
  46. 	}
  47. }
Success #stdin #stdout 0.17s 42252KB
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stdin
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stdout
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Respuesta: 90
https://ideone.com/ITY72e
language:
Java (HotSpot 12)
created:
304 days ago
visibility:
public

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