随笔分类 -  Python

摘要:```python 算法时间复杂度:,最坏:k=2/n,O(n^2);最好:k=1或者n 1,O(n) 本算法不用排序 def n_k(list_input,k): for i in range(k,len(list_input)): max = float(" inf") for j in ran 阅读全文
posted @ 2019-12-13 03:29 LewisLiu 阅读(408) 评论(0) 推荐(0)
摘要:我在win7上用IDLE编写了一个python文件(MyTopo.py),但是用putty传到VM中的ubuntu系统中,用 ./MyTopo方式执行。显示:/bin/sh^M: bad interpreter: No suchfile ordirectory。但是用 pythonMyTopo.py... 阅读全文
posted @ 2015-05-03 19:42 LewisLiu 阅读(292) 评论(0) 推荐(0)
摘要:#!/usr/bin/python # Filename: class.py__metaclass__=type class Person: def set_name(self,name): self.name=name def get_name(self): ... 阅读全文
posted @ 2015-04-03 10:53 LewisLiu 阅读(256) 评论(0) 推荐(0)
摘要:#!/usr/bin/python# Filename: backup_ver1.py#coded by swaroop, recoded by lewis liuimport osimport time# 1. The files and directories to be backed up a... 阅读全文
posted @ 2015-04-01 20:53 LewisLiu 阅读(167) 评论(0) 推荐(0)