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https://github.com/TheAlgorithms/Python.git
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4d0a8f2355
* optimized recursive_bubble_sort
* Fixed doctest error due whitespace
* reduce loop times for optimization
* fixup! Format Python code with psf/black push
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
43 lines
1.2 KiB
Python
43 lines
1.2 KiB
Python
def bubble_sort(list_data: list, length: int = 0) -> list:
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"""
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It is similar is bubble sort but recursive.
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:param list_data: mutable ordered sequence of elements
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:param length: length of list data
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:return: the same list in ascending order
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>>> bubble_sort([0, 5, 2, 3, 2], 5)
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[0, 2, 2, 3, 5]
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>>> bubble_sort([], 0)
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[]
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>>> bubble_sort([-2, -45, -5], 3)
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[-45, -5, -2]
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>>> bubble_sort([-23, 0, 6, -4, 34], 5)
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[-23, -4, 0, 6, 34]
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>>> bubble_sort([-23, 0, 6, -4, 34], 5) == sorted([-23, 0, 6, -4, 34])
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True
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>>> bubble_sort(['z','a','y','b','x','c'], 6)
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['a', 'b', 'c', 'x', 'y', 'z']
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>>> bubble_sort([1.1, 3.3, 5.5, 7.7, 2.2, 4.4, 6.6])
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[1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7]
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"""
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length = length or len(list_data)
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swapped = False
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for i in range(length - 1):
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if list_data[i] > list_data[i + 1]:
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list_data[i], list_data[i + 1] = list_data[i + 1], list_data[i]
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swapped = True
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return list_data if not swapped else bubble_sort(list_data, length - 1)
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if __name__ == "__main__":
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import doctest
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doctest.testmod()
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