c++ 程序设计随机算式

C/C++常用的操作（持续更新）_Gao996的博客-CSDN博客 一些常用的头文件#include <iostream>#include <cstring>#include <algorithm>#include <sstream>#include <cmath>#include <cstdio>#include <cstdlib>#include <iomanip>一些判断的方法1.最大公约数int gcd(int x,int y){ https://blog.csdn.net/qq_41863100/article/details/120435954