简单的个人电话费管理系统 C++实现 C++课程设计-Simple personal telephone management system for C++, C++ Course Design

北京邮电大学计算机学院大二上C++课程程序，包括电话簿程序在内，另附有文档，代码简洁易懂-Beijing University of Posts and Telecommunications Computer sophomore C++ course program, including the program, including the phone book, there is a document attached, concise and understandable code