第二次软件工程基础作业
GIT地址:https://github.com/genmone/-
GIT用户名:genmone
学号后五位:61214
博客地址:https://www.cnblogs.com/genm-one/
作业链接:https://www.cnblogs.com/harry240/p/11515697.html
一,配置工程
配置过程主要的问题是微软的官网不存在2017community版本的下载,为了能够解决配置问题,我在网上查阅2017与2019的环境配置的不同在仔细对照。使得下载的2019vs与2017版本的功能与环境保持相似性。以此来达到相同的配置要求。
对于git我选择了桌面版方便与使用与代码克隆。
二,代码思路
再循环结构中用随机函数,产生四个符合范围的整数,再通过内嵌的循环结构产生相应的算数运算符,最后用·条件选择来得到适合的结果。以此来得到算术运算式。
#include <iostream> using namespace std; int main() { float number[3],result; int time,time_1,total; char way[2]; cout << "输入产生四则运算式的个数" << endl; cin >> time; for (total=1;total<=time; ) { result = 0; number[0] = rand()%100; number[1] = rand()%100; number[2]= rand()%100; for (time_1=0;time_1<2;time_1++) { int way_1; way_1 = rand() % 4 + 1; switch (way_1) { case 1: way[time_1] = '+'; break; case 2: way[time_1] = '-'; break; case 3: way[time_1] = '*'; break; case 4: way[time_1] = '/'; break; } } if (way[0] == '+' || way[1] == '+') { result = number[0] + number[1] + number[2]; } if (way[0] == '+' || way[1] == '-') { result = number[0] + number[1] - number[2]; } if (way[0] == '+' || way[1] == '*') { result = number[0] + (number[1] * number[2]); } if (way[0] == '+' || way[1] == '/') { result = number[0] + (number[1] / number[2]); } if (way[0] == '-' || way[1] == '+') { result = number[0] - number[1] + number[2]; } if (way[0] == '-' || way[1] == '-') { result = number[0] - number[1] - number[2]; } if (way[0] == '-' || way[1] == '*') { result = number[0] - (number[1] * number[2]); } if (way[0] == '-' || way[1] == '/') { result = number[0] - (number[1] / number[2]); } if (way[0] == '*' || way[1] == '+') { result =( number[0] * number[1]) + number[2]; } if (way[0] == '*' || way[1] == '-') { result = (number[0] * number[1] )- number[2]; } if (way[0] == '*' || way[1] == '*') { result = number[0] * number[1] * number[2]; } if (way[0] == '*' || way[1] == '/') { result = number[0] * (number[1] / number[2]); } if (way[0] == '/' || way[1] == '+') { result = (number[0] / (number[1]) + number[2]); } if (way[0] == '/' || way[1] == '-') { result = (number[0] / (number[1]) - number[2]); } if (way[0] == '/' || way[1] == '*') { result = (number[0] / number[1]) * number[2]; } if (way[0] == '/' || way[1] == '/') { result = (number[0] / number[1])/ number[2]; } int check = (int)result; if(result == check && result>0) { cout << number[0] << way[0] << number[1] << way[1] << number[2] << '=' << result <<endl; total++; } } }
三,
对于该次源代码的上传,我选择在网页进行提交,通过查找教程和进行翻译来一点点的完成作业
四,
感觉vs与git看起来都很复杂但在掌握之后却会觉得意外的方便,新的工具的出现可以大幅的提高个人的效率。尤其是vs其实比vc++6.0更为简单与方便也更有利于编程语言的学习。