Coding method to achieve lzw dictionary coding algorithm Lzw design ideas: 1. The beginning of the dictionary contains all the root (first of all a single character encoding), the current time is made up of P 2. The current character (C) = the next character stream character 3. judge up- at string P+ C is in the dictionary, if A " is" : P = P+ C// (use C extension of P) B. If " no" : a prefix P to the representative of the current output of the commode to the code word stream b put up- at string P+ C added to the dictionary c so that P = C// (the P now contains only one character C) 4. to determine whether there are character stream code words to translate (1) If yes, on the return to the 2 (2) If it has a prefix P to the representative of the current output of the code word to code word stream b end. .

lzw.cpp

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