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34 changes: 34 additions & 0 deletions sorts/stooge_sort.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,34 @@
def stooge_sort(arr):
"""
>>> arr = [2, 4, 5, 3, 1]
>>> stooge_sort(arr)
>>> print(arr)
[1, 2, 3, 4, 5]
"""
stooge(arr,0,len(arr)-1)


def stooge(arr, i, h):


if i >= h:
return

# If first element is smaller than the last then swap them
if arr[i]>arr[h]:
arr[i], arr[h] = arr[h], arr[i]

# If there are more than 2 elements in the array
if h-i+1 > 2:
t = (int)((h-i+1)/3)

# Recursively sort first 2/3 elements
stooge(arr, i, (h-t))

# Recursively sort last 2/3 elements
stooge(arr, i+t, (h))

# Recursively sort first 2/3 elements
stooge(arr, i, (h-t))