Software for Low Density Parity Check Codes Radford M. Neal Version of 2006-02-08. This collection of programs and modules, written in C, is intended to support research and education concerning Low Density Parity Check (LDPC) codes. (Note, however,

建立一个文本文件，统计该文件中各字符频率，对各字符进行Huffman编码，将该文件翻译成Huffman编码文件，再将Huffman编码文件翻译成原文件。 “压缩文件”即：读文件、统计文件中的字符个数、对文件进行哈夫曼编码和译码、并将编码译码后的字符存储在文件中。 根据以上任务说明，设计数据结构，并设计程序完成功能。 -Create a text file, statistical frequency of the characters in the file, the char