这是一系列代码之一，是某培训机构的C++讲座记录，加上我整理而成，里面有必要的注释。相信，对于大家的提高或有帮助。-This is a series of codes is one of the training institutions of a C++ lecture records, plus I am finishing made, which have the necessary annotations. I believe, for everybody to raise or hel