这是本人学了C++后的第一个练手小程序，结合了C++的特有特征，很适合初学者来阅读，若有宝贵意见，请多多交流！共同进步！-I learn C++ after a practiced hand program, combined with the unique characteristics of the C++, very suitable for beginners to read, if valuable advice, interact more! Progress together!