Description: The haffman tree is easy to find the optimal prefix code for a given character set and its probability (or frequency) distribution. Huffman coding is a kind of widely used and very effective data compression technology. The technique generally reduces data files by 20% to 90%, and its compression efficiency depends on the features of compressed files.
Using Huffman coding for communication can greatly improve channel utilization, reduce transmission cost and reduce transmission cost. However, this requires that the transmission of the message must be encoded in a coding system on the sender side, and decoded in the receiving data. Please design and implement a code/decoding system with the function of initialization, coding, decoding, input/output etc. "This program is my favorite".
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