实现哈夫曼编码功能,可任意输入一段报文,程序自动统计各字符的权值,并进行编码,可显示中间过程..编码后可输入一段密文进行解码...原创,请支持,-Huffman coding to achieve functionality, for some arbitrary input message, the program automatically statistical weights of the characters and encoding, to show the middle of th