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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. 		int[] a ={4,2,7,3,5};
  14. 		sort(a,0,4);
  15. 		for(int i:a){
  16. 		System.out.println(i + " ");
  17. 		}
  18. 	}
  19.  
  20. 	public static void sort(int[] a, int low, int high){
  21.  
  22. 		if(low<high){
  23. 			int i = partition(a,low,high);
  24. 			sort(a,low,i-1);
  25. 			sort(a,i+1,high);
  26.  
  27. 		}
  28.  
  29. 	}
  30. 	public static int partition(int[] a, int low, int high){
  31. 		int pivot = a[high];
  32. 		int i=low,j=low;
  33. 		for(;j<high;j++){
  34. 			if(a[j]<pivot){
  35. 				int temp = a[j];
  36. 				a[j] = a[i];
  37. 				a[i] = temp;
  38. 				i++;
  39. 			}
  40. 		}
  41. 		int temp = a[j];
  42. 		a[j] = a[i];
  43. 		a[i] = temp;
  44. 		return i;
  45. 	}
  46. }
Success #stdin #stdout 0.05s 4575232KB
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https://ideone.com/Xko40D
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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