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public class HffmanCoding {
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private int hfmcoding[][];// ´æ·Å¹þ¸¥ÂüÊ÷
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private String hcs[];
public HffmanCoding(int[][] chars) {
// TODO ¹¹Ôì·½·¨
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ID integer not null generated always as identity(start  with 1,increment by 1),
map_name varchar(40),
area_int int,
area decimal ......

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