17个最短路径源代码。代码效率高，VC++环境-17 shortest path source code. Efficient code, VC++ environment

用C++ Builder编写的一个网页文字抓取系统，输入网址，即可获得网页里面的文字-Written using C++ Builder as a web page text crawling system, enter the URL, you can get the text inside pages