一款聊天小工具，可以群发和单发，有聊天室功能，由客户端和服务器端，功能还不错，vc6.0开发环境。-A gadget chat, mass and single, chat rooms function by the client and server side, pretty good, vc6.0 development environment.

多路归并排序算法，主要针对于海量数据排序，代码中有注释。-Multiple merge sort algorithm, mainly for sorting in the mass data, the code has comments.