c++ 矩阵 功能包括访问元素、删除元素、添加元素，输出元素。矩阵加法，乘法等运算，使用模板-c++ features including access to the matrix elements, delete elements, add elements, output elements. Matrix addition, multiplication and other operations, the use of templates

c++ 稀疏矩阵 功能包括访问元素、删除元素、添加元素，输出元素。矩阵转置。使用模板-c++ features including access to the sparse matrix elements, delete elements, add elements, output elements. Matrix transposition. Templates

随机数据的产生和整理，包括结束！随即产生是个数据，并进行删除最大值，最小值和添加数据-random produce data and handle

运行电话本程序，首先进入输入密码界面，输入正确的密码才能进入电话本，对联系人进行添加、删除等处理。-Run the telephone this program, first enter the enter the password screen, enter the correct password to enter the phone book, contacts, add, delete, etc. processing.