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通信网络的架设问题 若要在n（≥10）个城市之间建设通信网络，只需要架设n-1条线路即可(With the Dijksra algorithm to network G from source points to the rest of the vertices of the shortest path)

说明：  网络文件系统，十分好的文件传输代码，非常适合初学者(Network file system, file transfer is very good code, very suitable for beginners)

用vc实现邮件传输功能，主要采用winsock实现传输过程。有利于熟悉网络编程。(achieved using vc mail functionality, mainly winsock achieve transfer process. Help familiar with network programming.)

说明：  /** * 动态数组的模板类 * 1.支持字符索引 * 2.方便的添加删除修改任意一项 * 最后更新 2004-8-9 yzh **1.优化了字符索引的运作方式，使用数组存储 **2.重写了底层数据的存储，将连续性的存储方式改为了非连续, *** 从而很好有效地支持了“引用”,并且让数据的删除增加变的更为快速 * 用法如： * YCArray<int,int> test * test.Add("Number2",4) * test.Add("Number1",2) * printf("%d %d",test["Number1"],test["Number2"]) * 显示： * 2 4 ******* ******* History: 2004-11-19 修改了析构函数,解决了索引没有释放的bug **/(/*** dynamic array template class* 1. Support characters Index* 2. Add convenience to delete arbitrary* a final update 2004-8-9 yzh** 1. Character Index optimized mode of operation, the use of storage arrays** 2 . a rewrite of the underlying data storage, storage continuity conversion of non-continuous, and thus good*** effective support to the "quote", and let the data changed to delete the more rapid* usage such as :* YCArraylt; int, intgt; test* test. Add ( "Number2", 4)* test.Add ( "Number1", 2)* printf ( "% d% d", test [ "Number1"] test [ "Number2"])* Display :** 2 4************* History : 2004-11-19 revised the destructors, the index did not address the release of bug** /)

聊天程序的源码，对学习socket编程很有帮助。(Chat program source code, useful for learning socket programming.)

1.DOS下使用，功能类似于WINDOWS的超级终端 2.支持COM1，COM2 3..支持波特率2400，4800，96600（缺省），19200，38400，57600，115200 4.支持Xmodem文件传输协议，，Asm，Com Port 可直接使用。 ">

基于SOCKET编程，模拟聊天窗口，可选择端口号等，两个窗口之间可以相互发送信息。(SOCKET-based programming, simulation of the chat window, two windows to send messages between each other.)

一种基于hash表的IP路由表搜索技术,在WINDOWS下VC++实现(a hash table based on the IP routing table search technology, under the VC WINDOWS)

以点为基础，对基于TDMA的adhoc网络进行复用的时隙分配。(Point based on time slots multiplexed TDMA-based adhoc network distribution.)

qt 开发的聊天源代码，使用 qtcpsocket 开发，容易看懂( qt source for tcp client)