def quick_sort(lis): if len(lis) < 2: ## 考虑长度 =1 的情况 return lis else: piv = lis[0] ## 首元素是分区的边界 less = [i for i in lis[1:] if i <= piv] ## 左边区域 great = [i for i in lis[1:] if i > piv] ## 右边区域 return quic
以下是快速排序的Python实现: def quick_sort(arr): if len(arr) <= 1: return arr pivot = arr[len(arr) // 2] left = [x for x in arr if x < pivot] middle = [x for x in arr if x == pivot] right = [x for x in arr if x > pivot] return quick_sort(left) + middle + ...
If you are interested in learning more about sorting algorithms, I encourage you to explore realpython.com which goes into other sorting algorithms such as ‘merge sort’, ‘insertion sort’ and ‘bubble sort’. I hope you found this post useful/interesting. The code from this post is ...
python数据结构之quick_sort Quick sort , also known as partition-exchange sort, divides the data to be sorted into two separate parts by a single sort, in which all the data of one part is smaller than all the other parts. Then, according to this method, the two parts of the data are...
Quick Sort ExampleThe following is a Python implementation of the Quick Sort algorithm. quick_sort.py def quick_sort(arr): if len(arr) <= 1: return arr pivot = arr[len(arr) // 2] left = [x for x in arr if x < pivot] middle = [x for x in arr if x == pivot] right = ...
要让天真的Python实现Quicksort更加Pythonic,可以考虑以下几个方面: 1. 使用列表推导式(List Comprehension):列表推导式是Python中一种简洁的语法,可以...
python实现【快速排序】(QuickSort) 算法原理及介绍 快速排序的基本思想:通过选择一个关键字,一趟排序将待排记录分隔成独立的两部分,其中一部分数据均比选取的关键字小,而另一部分数据均比关键字大,则可分别对这两部分记录继续进行排序,以达到整个序列有序。
python算法 之 快速排序(Quick Sort) O( 1) < O(logn) < O(n) < O(nlogn) < O(n^ 2) < O(n^ 3) < O(2^n) < O(n!) 1. 一、快速排序 快速排序(Quick Sort)是一种基于分治思想的排序算法,是目前使用最广泛的排序算法之一。其基本思想是选取一个基准元素,然后将数组分成小于等于基准的子...
Python 代码实现 # quick_sort 代码实现 def partition(arr: List[int], low: int, high: int): pivot, j = arr[low], low for i in range(low + 1, high + 1): if arr[i] <= pivot: j += 1 arr[j], arr[i] = arr[i], arr[j] arr[low], arr[j] = arr[j], arr[low] re...
问QuickSort Python TypeError:只能分配一个可迭代对象EN根据我对快速排序的理解，最初选择最右边的元素...