源代码构造哈夫曼树

自己以前用VC++6.0编写的图书馆管理系统，用c语言实现简单的卡号管理、借书管理、还书管理.-Himself has previously written in VC++6.0 library management system, using c language to achieve a simple card number management, library management, but also the book management.

实现了一段字符是否为回文的判断《数据结构》-huiwen

输入一个自然数Ｎ（2≤N≤9），要求输出如下的螺旋矩阵，即边长为N*N，元素取值为1至N*N，1在左上角，呈顺时针方向依次放置各元素。 N=3时，相应的矩阵中每个数字位置如下图所示： 1 2 3 8 9 4 7 6 5-Enter a natural number N (2 ≤ N ≤ 9), the requirements are as follows spiral output matrix, that is, edge length of N* N, the element values for the 1 to N* N, 1 in the upper left corner, showing a clockwise direction in order to place the various elements . N = 3, the corresponding figures for the location of each matrix as follows: 123,894,765

windows系统下c++写的串口操作类，包括打开串口，关闭串口，接收数据，发送数据。接收和发送数据可以按照字符串操作方便解析。

windows服务程序例子，实现了服务的注册、卸载、启动、停止、暂停、恢复操作。 能够放应用到实际的应用中。

很有用的一份图纸资料 如果各位有类似资料麻烦也上传上来哈-Useful information on a drawing if you have similar trouble also upload information onto Kazakhstan

数字金额转换成大写汉字-digital conversion amount the university to write Chinese characters

矢量图形系统（支持撤销与反撤销-vector graphics system (with the support the repeal of the anti-repeal

Cpphtml is a utility to convert your C++ code to HTML. If you have a C++ file, say myprogram.cpp, and you want to put it on your website, you can run it through Cpphtml which will convert the code to HTML with all comments, keywords and preprocessor directives highlighted. Cpphtml will send all output to cout, so you have to redirect the output to a file if you want to create a HTML file

自己绘制窗口标题的类-The class of drawing the title bar of my own