此文件可供学习C++的人参考，里面涉及C++程序设计基础知识的众多源代码，个人认为比较全面。每个源码都包含一些小知识点，其代码注释非常详细。从最简单到复杂，循环渐进。-This file is available for reference to learn c++, it involves the basic knowledge of c++ program design of the source code, personally think that more comprehensive.