mirror of
https://github.com/TheAlgorithms/Python.git
synced 2024-11-24 13:31:07 +00:00
54 lines
1.4 KiB
Python
54 lines
1.4 KiB
Python
"""
|
|
This is a pure python implementation of the bogosort algorithm
|
|
For doctests run following command:
|
|
python -m doctest -v bogosort.py
|
|
or
|
|
python3 -m doctest -v bogosort.py
|
|
For manual testing run:
|
|
python bogosort.py
|
|
"""
|
|
|
|
from __future__ import print_function
|
|
import random
|
|
|
|
|
|
def bogosort(collection):
|
|
"""Pure implementation of the bogosort algorithm in Python
|
|
:param collection: some mutable ordered collection with heterogeneous
|
|
comparable items inside
|
|
:return: the same collection ordered by ascending
|
|
Examples:
|
|
>>> bogosort([0, 5, 3, 2, 2])
|
|
[0, 2, 2, 3, 5]
|
|
>>> bogosort([])
|
|
[]
|
|
>>> bogosort([-2, -5, -45])
|
|
[-45, -5, -2]
|
|
"""
|
|
|
|
def isSorted(collection):
|
|
if len(collection) < 2:
|
|
return True
|
|
for i in range(len(collection) - 1):
|
|
if collection[i] > collection[i + 1]:
|
|
return False
|
|
return True
|
|
|
|
while not isSorted(collection):
|
|
random.shuffle(collection)
|
|
return collection
|
|
|
|
if __name__ == '__main__':
|
|
import sys
|
|
|
|
# For python 2.x and 3.x compatibility: 3.x has no raw_input builtin
|
|
# otherwise 2.x's input builtin function is too "smart"
|
|
if sys.version_info.major < 3:
|
|
input_function = raw_input
|
|
else:
|
|
input_function = input
|
|
|
|
user_input = input_function('Enter numbers separated by a comma:\n')
|
|
unsorted = [int(item) for item in user_input.split(',')]
|
|
print(bogosort(unsorted))
|