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35 lines
734 B
Python
35 lines
734 B
Python
def stooge_sort(arr):
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"""
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>>> arr = [2, 4, 5, 3, 1]
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>>> stooge_sort(arr)
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>>> print(arr)
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[1, 2, 3, 4, 5]
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"""
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stooge(arr,0,len(arr)-1)
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def stooge(arr, i, h):
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if i >= h:
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return
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# If first element is smaller than the last then swap them
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if arr[i]>arr[h]:
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arr[i], arr[h] = arr[h], arr[i]
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# If there are more than 2 elements in the array
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if h-i+1 > 2:
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t = (int)((h-i+1)/3)
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# Recursively sort first 2/3 elements
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stooge(arr, i, (h-t))
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# Recursively sort last 2/3 elements
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stooge(arr, i+t, (h))
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# Recursively sort first 2/3 elements
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stooge(arr, i, (h-t))
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