这是一个基于Huffman算法的文件压缩与解压程序，也实现了文件压缩率的计算。上传文件里包括可执行文件、源代码和六组测试用例。-This is a Huffman algorithm-based file compression and decompression procedures, file compression rate calculation. Upload files, executable files, source code, and six groups of test ca