(1. Huffman coding (when inputting letters, spaces, commas, semicolons, etc., the program builds a binary tree to count the frequency of each character, and then encodes the characters. When the corresponding 01 string is input, it can be given in the corresponding code. out the corresponding characters.)
SampleTextSampleText<imgsrc="smile.gif"smilieid="1"border="0"alt=""/>
20070610192300108\Login window\HZK16
TCPIP-Vol2\compile\.depend
TCPIP-Vol2\shell\.depend)