trunk

代码说明：

  这个程序主要是实现检查是否抄袭作业，它可以打开txt格式的文件，然后检查在所有存的文件中是否有雷同的，用了命令行参数和数据结构算法，很适合学习c++人做参考(This program is mainly to achieve check copying operation, it can open the txt file format, and then check whether all documents are kept identical, with the command line parameters and data structure algorithms, well suited to learning c++ People to do reference)