摘要：任务五： info.hpp： #include<iostream> #include<string> #include<vector> using namespace std; class info { private: string nickname,contact,city;int n; sta 阅读全文

摘要：。 阅读全文

摘要：任务三： complex.h: #include<math.h> #include<iostream> class complex { private:double r,i; public:complex(){}; complex(double x,double y=0.0):r(x),i(y){} 阅读全文