通讯录源代码，有基本通讯录的功能。存、找、删。还可以添加，运行时需输入账号、密码、可以换背景颜色，有信息加密，找的时候可以用某些排序法，删时出现提示等拓展功能。-Address list of source code, the basic function of the mail list. Save, find, delete. You can also add, run to input account, password, can change the background color,

c++源代码，包括约瑟夫问题、万年历的实现、用C++编写通讯录、螺旋方阵的输出、分形算法和一个编程大赛试题等等。-c++ source code, including Joseph problems, the realization of calendar with C++ the preparation of contacts, the output of square spiral, fractal algorithm and a programming contest questions