(elements, start, end)
| 13 | quick_sort(elements, pi+1, end) |
| 14 | |
| 15 | def partition(elements, start, end): |
| 16 | pivot_index = start |
| 17 | pivot = elements[pivot_index] |
| 18 | |
| 19 | while start < end: |
| 20 | while start < len(elements) and elements[start] <= pivot: |
| 21 | start+=1 |
| 22 | |
| 23 | while elements[end] > pivot: |
| 24 | end-=1 |
| 25 | |
| 26 | if start < end: |
| 27 | swap(start, end, elements) |
| 28 | |
| 29 | swap(pivot_index, end, elements) |
| 30 | |
| 31 | return end |
| 32 | |
| 33 | |
| 34 | if __name__ == '__main__': |