冒泡算法和排序算法运行速度比较 

 1 #-*- encoding= utf-8 -*-
 2 from random import randint
 3 import  datetime
 4 
 5 s=[]
 6 
 7 for i in range(0,10000):
 8     s.append(randint(1,10000))
 9 
10 #排序算法
11 def sort_list(list):
12     for i in range(len(list)-1):
13         index = i
14         for j in range(i + 1, len(list)):
15             if list[index] > list[j]:
16                 index = j
17         list[i], list[index] = list[index], list[i]
18 
19 #冒泡算法       
20 def bubble_sort(list):
21     for i in range(len(list)-1):
22         for j in range(len(list)-1-i):
23             if list[j]>list[j+1]:
24                 list[j],list[j+1]=list[j+1],list[j]
25 
26 
27 starttime=datetime.datetime.now()
28 sort_list(s)
29 endtime=datetime.datetime.now()
30 print  (endtime-starttime).seconds
31 
32 print s

 

posted @ 2017-12-08 17:07  1109159477  阅读(184)  评论(0)    收藏  举报