#include
#include
#define?MAXVALUE?10000??//定義最大權值
#define?MAXLEAF?30??????//定義哈弗曼樹中葉節點個數
#define?MAXNODE?MAXLEAF*2-1
#define?MAXBIT?30?????//定義哈弗曼編碼的最大長度
#define?MAX?100???????//可編碼字符串最大長度
#define?MAXCODE?10000?//二進制編碼最大長度
int?numroot;?????????//定義全局變量
char?str[MAX];
typedef??struct
{
	char?ch;
????int?weight;
????int?parent;
????int?lchild;
????int?rchild;
}?HNodeTypehuffmannode*huffmantree;
void?HuffmanTree（HNodeType?HuffNode[]）??//哈弗曼樹的的構造算法
{???
	int?ijx1x2m1m2;
	printf（“輸入要編碼的字符串:“）;
????gets（str）;
	num=1;???//葉子節點個數
	for（i=1;str[i];i++）?//統計總共有多少種字符
	{
		for（j=i-1;j>=0;j--）
			if（str[i]==str[j]）?break;
		if（j==-1）?num++;
	}
	if（num==1）
	{
		printf（“error!??一個節點無法建樹！此字母編碼為：0?\n\n\n“）;
		return;
	}
????for（i=0;i<2*num-1;i++）??//數組HuffNode[]初始化
	{
		HuffNode[i].weight=0;
????????HuffNode[i].parent=-1;?
????????HuffNode[i].lchild=-1;
	????HuffNode[i].rchild=-1;
	}
	int?n=0;
????for（i=0;str[i];i++）??//掃描字符串，每個字符出現

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????538??2010-01-03?23:41??Huffman?正式版\coder.txt

?????文件?????????46??2010-01-03?23:41??Huffman?正式版\data.txt

?????文件????????112??2010-01-03?23:28??Huffman?正式版\Debug\coder.txt

?????文件?????237628??2010-01-03?23:41??Huffman?正式版\Debug\encode.exe

?????文件?????274276??2010-01-03?23:41??Huffman?正式版\Debug\encode.ilk

?????文件??????17458??2010-01-03?23:41??Huffman?正式版\Debug\encode.obj

?????文件?????290412??2010-01-03?23:38??Huffman?正式版\Debug\encode.pch

?????文件?????574464??2010-01-03?23:41??Huffman?正式版\Debug\encode.pdb

?????文件??????50176??2010-01-03?23:41??Huffman?正式版\Debug\vc60.idb

?????文件??????61440??2010-01-03?23:41??Huffman?正式版\Debug\vc60.pdb

?????文件???????4293??2010-01-03?23:41??Huffman?正式版\encode.cpp

?????文件???????3401??2010-01-03?23:38??Huffman?正式版\encode.dsp

?????文件????????537??2010-01-03?23:47??Huffman?正式版\encode.dsw

?????文件??????50176??2010-01-03?23:47??Huffman?正式版\encode.ncb

?????文件??????48640??2010-01-03?23:47??Huffman?正式版\encode.opt

?????文件???????1120??2010-01-03?23:41??Huffman?正式版\encode.plg

?????文件???????4295??2009-12-01?15:46??Huffman?正式版\Huffman.dsp

?????文件????????537??2009-12-01?15:26??Huffman?正式版\Huffman.dsw

?????文件??????33792??2009-12-01?15:46??Huffman?正式版\Huffman.ncb

?????文件??????48640??2009-12-01?15:46??Huffman?正式版\Huffman.opt

?????文件????????838??2009-12-01?15:44??Huffman?正式版\Huffman.plg

?????目錄??????????0??2010-04-07?19:44??Huffman?正式版\Debug

?????目錄??????????0??2010-04-07?19:44??Huffman?正式版

-----------?---------??----------?-----??----

??????????????1702819????????????????????23