素数是编程中经常需要用到的. 作为学习Python的示例,下面是一个高效求解一个范围内的素数的程序,不需要使用除法或者求模运算. #coding:utf-8 #设置python文件的编码为utf-8,这样就可以写入中文注释 def primeRange(n): myArray=[1 for x in range(n+1)] ##列表解析,生成长度为(n+1)的列表,每个数值都为1 myArray[0]=0 myArray[1]=0 startPos=2 while startPos <= n:
Reference: <An Introduction to Management Science Quantitative Approaches to Decision Making, Revised 13th Edition> Instance Suppose that two companies are the only manufacturers of a particular product; they compete against each other for market sh
Reference: <An Introduction to Management Science Quantitative Approaches to Decision Making, Revised 13th Edition> Instance Hauck Investment Services designs annuities, IRAs, 401(k) plans, and other investment vehicles for investors with a variety
Reference: <An Introduction to Management Science Quantitative Approaches to Decision Making, Revised 13th Edition> Leisure Air has two Boeing 737-400 airplanes, one based in Pittsburgh and the other in Newark. Both airplanes have a coach section wi
Reference: <An Introduction to Management Science Quantitative Approaches to Decision Making, Revised 13th Edition> Evaluating the Performance of HospitalsThe hospital administrators at General Hospital, University Hospital, County Hospital, and Sta