Move-to-front encoding. Initialize an ordered list of 256 characters, where extended ASCII character i appears ith in the list.
初始给出一个256字符的顺序表， 如扩展ASCII码中字符i出现在列表的第i个位置。
Move-to-front encoding. Initialize an ordered list of 256 characters, where extended ASCII character i appears ith in the list.
初始给出一个256字符的顺序表， 如扩展ASCII码中字符i出现在列表的第i个位置。
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