Python:實現bucket sort桶排序算法
#!/usr/bin/env python3
from __future__ import annotations
def bucket_sort(my_list: list) -> list:
if len(my_list) == 0:
return []
min_value, max_value = min(my_list), max(my_list)
bucket_count = int(max_value - min_value) + 1
buckets: list[list] = [[] for _ in range(bucket_count)]
for i in my_list:
buckets[int(i - min_value)].append(i)
return [v for bucket in buckets for v in sorted(bucket)]
if __name__ == "__main__":
from doctest import testmod
testmod()
assert bucket_sort([4, 5, 3, 2, 1]) == [1, 2, 3, 4, 5]
assert bucket_sort([0, 1, -10, 15, 2, -2]) == [-10, -2, 0, 1, 2, 15]
