摘要：
```cpp include include include include include class Users{ private: std::map m; public: Users(){m["boss"]=std::string("123");} bool addUser(std::stri 阅读全文
摘要：
```cpp include include include include include include class Courses { private: std::map c; //课程名字到编号的映射,编号从0开始 std::vector names; //课程编号到名字的映射 public 阅读全文