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24 changes: 21 additions & 3 deletions sorts/stooge_sort.py
Original file line number Diff line number Diff line change
@@ -1,22 +1,40 @@
def stooge_sort(arr: list[int]) -> list[int]:
from typing import Protocol


class Comparable(Protocol):
def __lt__(self, other: object, /) -> bool: ...


def stooge_sort[T: Comparable](arr: list[T]) -> list[T]:
"""
Examples:
>>> stooge_sort([18.1, 0, -7.1, -1, 2, 2])
[-7.1, -1, 0, 2, 2, 18.1]

>>> stooge_sort([])
[]

>>> stooge_sort(["c", "a", "b"])
['a', 'b', 'c']

>>> stooge_sort([2.5, -1, 0.0])
[-1, 0.0, 2.5]

>>> stooge_sort([1, "a"])
Traceback (most recent call last):
...
TypeError: '<' not supported between instances of 'str' and 'int'
"""
stooge(arr, 0, len(arr) - 1)
return arr


def stooge(arr: list[int], i: int, h: int) -> None:
def stooge[T: Comparable](arr: list[T], i: int, h: int) -> None:
if i >= h:
return

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

# If there are more than 2 elements in the array
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