这是第8章的答案，这些都是我珍贵的代码，我学习c++的时候，一章一章的编出来的，不仅有课后题的答案，还有文档说明，非常详细，希望能帮到你们!-It is made by me,when I learn C++,and it is very specific,you can regard it as a reference,I hope it can help you.Also we can communicate with each other and discuss the answer!