数据结构--排序--快排and冒泡(python)

听说大厂面试,限时两分钟写出来快排。。。

闲着没事,写了一下。。。

 

 1 def Partition(L,low,high):
 2     pivotkey = L[low]
 3     while low<high:
 4         while low<high and L[high]>=pivotkey:
 5             high-=1
 6         L[low],L[high]=L[high],L[low]
 7         while low<high and L[low]<=pivotkey:
 8             low+=1
 9         L[low],L[high]=L[high],L[low]
10     return low
11 def Qsort(L,low,high):
12     if low < high:
13         pivot = Partition(L,low,high)
14         Qsort(L,low,pivot-1)
15         Qsort(L,pivot+1,high)

冒泡:

1 def bubbleSort(nums):
2     for i in range(len(nums)):
3         for j in range(len(nums)-1,i,-1):
4             if nums[j] < nums[j-1]:
5                 temp = nums[j]
6                 nums[j] = nums[j-1]
7                 nums[j-1]=temp
8     return nums
posted @ 2019-09-02 19:42  Assange  阅读(172)  评论(0编辑  收藏  举报