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declare.h
Package: huffman.rar [view]
Upload User: berdoor
Upload Date: 2021-12-04
Package Size: 208k
Code Size: 1k
Category:
Compress-Decompress algrithms
Development Platform:
Visual C++
- typedef struct
- {
- unsigned int weight;
- char str;
- unsigned int parent,lchild,rchild;
- }HTNode,*HuffmanTree;//动态分配数组存储哈夫曼树
- typedef char **HuffmanCode;//动态分配数组存储哈夫曼编码表
- int s1,s2,n;
- int a[128]={0};//权重不为0的权重数组
- int b[128]={0};//按ASCII码为下标的权重数组
- char c[128]={''};//文件中出现的字符
- void Select(HuffmanTree &HT,int x);//在HT[1...i-1]选择parent为0且weight最小的两个结点,其序号分别为s1和s2
- void HuffmanCoding(HuffmanTree &HT,HuffmanCode &HC,int *w,int n);//哈夫曼编码
- void Initialization();//初始化
- void FileWrite(HuffmanCode &HC);//将哈夫曼编码过的文件写入另一新建的文件
- void PrintCode(HuffmanCode &HC);//输出各字符的哈夫曼编码