lzw.h

关于压缩与解压缩的源码 自己编的 适合数据结构学习 用到了散列

#include<fstream.h>
#include<iostream.h>
#include<string.h>
#include<stdlib.h>
#include<math.h>

class element
{
	friend void Insert(element e);
    friend bool Search(unsigned long k,int used);
	friend void Compress();
	//friend void Output(int);
    unsigned long key;
	int code;
public:
	operator unsigned long()const{return key;}
	element&operator=(unsigned long y)
	{
		key=y;
		return *this;
	}
};