哈夫曼编码生成。
输入
"This is a HuffmanCode example"输出
Raw: PrefixCode: 011
Raw: C PrefixCode: 11000
Raw: H PrefixCode: 11110
Raw: T PrefixCode: 11001
Raw: a PrefixCode: 010
Raw: d PrefixCode: 11111
Raw: e PrefixCode: 000
Raw: f PrefixCode: 1011
Raw: h PrefixCode: 11010
Raw: i PrefixCode: 1000
Raw: l PrefixCode: 11101
Raw: m PrefixCode: 1001
Raw: n PrefixCode: 10100
Raw: o PrefixCode: 0010
Raw: p PrefixCode: 10101
Raw: s PrefixCode: 0011
Raw: u PrefixCode: 11011
Raw: x PrefixCode: 11100
WPL: 4.000000