时间复杂度(最坏)😮 (n^2), 空间复杂度:O(1),稳定性:稳定。
用python实现冒泡算法的一种优化,主要优化的是,对无序数列中包含部分有序数列
#!/usr/bin/env python
# -*- coding: utf-8 -*-
class BaseAlgorithm:
def new_range(self, k):
num = 0
while num < k:
yield num
num = num + 1
def bubble_sort(self, data_list):
"""
:param data_list: 无序列表
:return: 冒泡排序,返回新列表
"""
j = 1
if not isinstance(data_list, list):
raise TypeError("not a list")
new_list = data_list.copy()
lenth = len(new_list)
for k in range(lenth-1):
flag = True
for i in range(lenth - k - 1):
if new_list[i] > new_list[i + 1]:
new_list[i], new_list[i + 1] = new_list[i + 1], new_list[i]
flag = False
print(j, new_list)
j = j + 1
if flag:
break
return new_list
baseAlgorithm = BaseAlgorithm()
if __name__ == '__main__':
data_list = [4, 23, 35, 2, 67, 34, 15, 88, 100, 111]
baseAlgorithm.bubble_sort(data_list=data_list)
从执行结果来看,具有不错的优化效果