Given two numbers A and B. The task is to compute the last digit of the resulting F, where F= B! / A! . Input:The first line of input contains an integer T denoting the number of test cases. Then T test cases follow. Each test case contains two numbe…
Factorial 计算阶乘 In mathematics, the factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to n. For example: 5! = 5 * 4 * 3 * 2 * 1 = 120. By convention the value of 0! is 1. Write a function…
实例001:数字组合 题目 有四个数字:1.2.3.4,能组成多少个互不相同且无重复数字的三位数?各是多少? 程序分析 遍历全部可能,把有重复的剃掉. total=0 for i in range(1,5): for j in range(1,5): for k in range(1,5): if ((i!=j)and(j!=k)and(k!=i)): print(i,j,k) tot…
1.read基本读取 #!/bin/bash #testing the read command echo -n "Enter you name:" #echo -n 让用户直接在后面输入 read name #输入的多个文本将保存在一个变量中 echo "Hello $name, welcome to my program." 执行: # ./read.sh Enter you name: wangtao Hello wangtao, welcome to my…
一.设置一个新的测试项目 在用google test写测试项目之前,需要先编译gtest到library库并将测试与其链接.我们为一些流行的构建系统提供了构建文件: msvc/ for Visual Studio, xcode/ for Mac Xcode, make/ for GNU make, codegear/ for Borland C++ Builder. 如果你的构建系统不在这个名单上,在googletest根目录有autotools的脚本(不推荐使用)和CMakeLists.txt…