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  1.     public void sort(int[] data) {
  2. 		if (data != null) {
  3. 			quickSort(data, data.length);
  4. 		}
  5. 	}
  6. 	private void quickSort(int[] data, int count) {
  7. 		if (count <= 1) {
  8. 			return;
  9. 		}
  10. 		int[] largeData = new int[count];
  11. 		int[] smallData = new int[count];
  12. 		int largeCount = 0;
  13. 		int smallCount = 0;
  14. 		int pivot = data[0];
  15. 		for (int index = 1; index < count; index ++) {
  16. 			if (data[index] > pivot) {
  17. 				largeData[largeCount] = data[index];
  18. 				largeCount ++;
  19. 			}
  20. 			else {
  21. 				smallData[smallCount] = data[index];
  22. 				smallCount ++;
  23. 			}
  24. 		}
  25. 		quickSort(largeData, largeCount);
  26. 		quickSort(smallData, smallCount);
  27. 		int sortedIndex = 0;
  28. 		for (int smallIndex = 0; smallIndex < smallCount; smallIndex ++) {
  29. 			data[sortedIndex] = smallData[smallIndex];
  30. 			sortedIndex ++;
  31. 		}
  32. 		data[sortedIndex] = pivot;
  33. 		sortedIndex ++;
  34. 		for (int largeIndex = 0; largeIndex < largeCount; largeIndex ++) {
  35. 			data[sortedIndex] = largeData[largeIndex];
  36. 			sortedIndex ++;
  37. 		}
  38. 	}
  39.  
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https://ideone.com/8kE20W
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
public

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