A Method for the Construction of Minimum-Redundancy Codes
http://compression.ru/download/articles/huff/huffman_1952_minimum-redundancy-codes.pdf
https://en.wikipedia.org/wiki/Huffman_coding
A Method for the Construction of Minimum-Redundancy Codes
原文：https://www.cnblogs.com/yuanjiangw/p/10537433.html