在学习了之前上传的ppt资料，掌握了C++的基本理论知识之后，这个C++几个小实验的完成会帮我们进一步完善对C++的系统理解。(After learning the PPT materials uploaded before and mastering the basic theoretical knowledge of c + +, the completion of several small experiments in c ++ will help us to further impro