#include?
#include?
#include?

/*-------------------------------------------------------------------------------------------------------------------*/
struct?HtNode???????????????????????????/*哈夫曼樹(shù)結(jié)點(diǎn)的結(jié)構(gòu)*/
{
	int?ww;								/*權(quán)值*/
	int?parentllinkrlinkrlparent;	/*rlparent是記錄該結(jié)點(diǎn)是父結(jié)點(diǎn)的左孩子還是右孩子*/
	char?a;	????????????????????????????/*記錄編碼字符的信息*/
};
typedef?struct?HtNode?*?PHtNode;
struct?HtTree							/*哈夫曼樹(shù)結(jié)構(gòu)*/
{				
	int?m;								/*外部結(jié)點(diǎn)的個(gè)數(shù)*/
	int?root;							/*哈夫曼樹(shù)在數(shù)組中的下標(biāo)*/
	struct?HtNode?*ht;					/*存放2*m-1個(gè)結(jié)點(diǎn)的數(shù)組*/
};
typedef?struct?HtTree?*?PHtTree;		/*哈夫曼樹(shù)類(lèi)型的指針類(lèi)型*/



/*-------------------------------------------------------------------------------------------------------------------*/



/************************************************************************/
/*函數(shù)的功能：創(chuàng)建哈夫曼樹(shù)，將電文編碼??????????????????????????????????*/
/*函數(shù)的參數(shù)：1、哈夫曼樹(shù)葉子結(jié)點(diǎn)的個(gè)數(shù)??2、權(quán)值的數(shù)組?3、編碼字符的信息*/
/*函數(shù)的返回值：返回指向數(shù)組的指針??????????????????????????????????????*/
/************************************************************************/
PHtTree?huffman（int?mint?*wchar?*p）??????????????/*構(gòu)造具有m個(gè)外部結(jié)點(diǎn)的哈夫曼樹(shù)*/
{
	PHtTree?pht;
	int?ijx1x2m1m2;
	pht=（PHtTree）malloc（sizeof（struct?HtTree））;	???/*分配哈夫曼樹(shù)空間*/
	if（pht==NULL）
	{
		printf（“Out?of?space!!\n“）;
		return?pht;
	}
	pht->ht=（struct?HtNode?*）malloc（sizeof（struct?HtNode）*（2*m-1））;?/*分配ht數(shù)組空間*/
	if（pht->ht==NULL）
	{
		printf（“Out?of?space!!\n“）;
		return?pht;
	}
	
	for（i=0;i<2*m-1;i++）					/*置ht數(shù)組初態(tài)*/
	{
		pht->ht[i].llink=-1;
		pht->ht[i].rlink=-1;
		pht->ht[i].parent=-1;
		pht->ht[i].rlparent=-1;
		if（i		{
			pht->ht[i].ww=w[i];??????/*各點(diǎn)的權(quán)值*/
			pht->ht[i].a=p[i];???????/*各點(diǎn)的字符信息*/
		}
		else
			pht->ht[i].ww=-1;????????/*剩余的結(jié)點(diǎn)賦值為-1*/
	}
	
	
	for（i=0;i	{
		m1=m2=32767;				/*相關(guān)變量賦初值*/
		x1=x2=-1;
		for（j=0;j		{
			if（pht->ht[j].wwht[j].parent==-1）	/*x1中存放最小權(quán)的無(wú)父結(jié)點(diǎn)的結(jié)點(diǎn)下標(biāo)*/
			{
				m2=m1;									/*x2中存放第二小權(quán)的無(wú)父結(jié)點(diǎn)的結(jié)點(diǎn)下標(biāo)*/
				x2=x1;
				m1=pht->ht[j].ww;
				x1=j;
			}
			else?if（pht->ht[j].wwht[j].parent==-1）
			{
				m2=pht->ht[j].ww;
				x2=j;
			}
		}
		
		pht->ht[x1].parent=m+i;					/*構(gòu)造內(nèi)部結(jié)點(diǎn)*/
		pht->ht[x1].rlparent=0;?????????????????/*該結(jié)點(diǎn)是父結(jié)點(diǎn)的左孩子*/
		pht->ht[x2].parent=m+i;?????????????????/*該結(jié)點(diǎn)的父結(jié)點(diǎn)的位置，即數(shù)組下標(biāo)*/
		pht->ht[x2].rlparent=1;					/*該結(jié)點(diǎn)是父結(jié)點(diǎn)的右孩子*/
		pht->ht[m+i].ww=m1+m2;					/*父結(jié)點(diǎn)的權(quán)值是左右孩子的權(quán)值之和*/
		pht->ht[m+i].llink=x1;					/*將父結(jié)點(diǎn)的llink的值賦上左孩子所在的數(shù)組下標(biāo)*/
		pht->ht[m+i].rlink=x2;					/*將父結(jié)點(diǎn)的rlink的值賦上右孩子所在的數(shù)組下標(biāo)*/
	}
	pht->root=2*m-2;????????????????????????????/*根結(jié)點(diǎn)的位置在數(shù)組的最后一個(gè)元素*/
	printf（“哈夫曼樹(shù)創(chuàng)建成功!!\n哈夫曼樹(shù)在數(shù)組中的存儲(chǔ)形式為：\n“）;????????????????????????????????
	for（i=0;i<2*m-1;i++）???????????????????????/*輸出哈夫曼樹(shù)中的數(shù)組所保存的權(quán)值*/
	{
		printf（“??%d?“pht->ht[i]）;
	}
	printf（“\n編碼成功!\n“）;
	return?pht;????????????????????????????????????????????????????
}
/*--------------------------------------------

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----

?????文件?????634880??2010-07-26?18:47??哈夫曼樹(shù).doc

?????文件??????32837??2010-07-14?12:16??哈夫曼樹(shù)\Debug\huffamn.obj

?????文件?????184772??2010-07-13?12:59??哈夫曼樹(shù)\Debug\huffamn.pch

?????文件?????492544??2010-07-13?22:20??哈夫曼樹(shù)\Debug\huffamn.pdb

?????文件???????2560??2010-07-13?13:10??哈夫曼樹(shù)\Debug\huffamn.suo

?????文件??????33792??2010-07-14?12:16??哈夫曼樹(shù)\Debug\vc60.idb

?????文件??????53248??2010-07-14?12:16??哈夫曼樹(shù)\Debug\vc60.pdb

?????文件?????204869??2010-07-14?12:16??哈夫曼樹(shù)\Debug\哈夫曼樹(shù).exe

?????文件?????225368??2010-07-14?12:16??哈夫曼樹(shù)\Debug\哈夫曼樹(shù).ilk

?????文件?????184772??2010-07-13?12:39??哈夫曼樹(shù)\Debug\哈夫曼樹(shù).pch

?????文件?????549888??2010-07-14?12:16??哈夫曼樹(shù)\Debug\哈夫曼樹(shù).pdb

?????文件???????3072??2010-07-14?08:00??哈夫曼樹(shù)\Debug\哈夫曼樹(shù).suo

?????文件?????????27??2010-07-13?22:06??哈夫曼樹(shù)\dianwen.txt

?????文件??????20444??2010-07-14?08:12??哈夫曼樹(shù)\huffamn.c

?????文件???????3411??2010-07-14?08:06??哈夫曼樹(shù)\huffamn.dsp

?????文件??????50176??2010-07-14?08:10??哈夫曼樹(shù)\huffamn.ncb

?????文件??????48640??2010-07-14?08:06??哈夫曼樹(shù)\huffamn.opt

?????文件??????????0??2010-07-14?08:10??哈夫曼樹(shù)\huffamn.plg

?????文件???????4305??2010-07-11?17:01??哈夫曼樹(shù)\哈夫曼樹(shù).dsp

?????文件????????524??2010-07-11?16:12??哈夫曼樹(shù)\哈夫曼樹(shù).dsw

?????文件??????50176??2010-07-14?13:43??哈夫曼樹(shù)\哈夫曼樹(shù).ncb

?????文件??????48640??2010-07-14?13:43??哈夫曼樹(shù)\哈夫曼樹(shù).opt

?????文件????????898??2010-07-14?12:16??哈夫曼樹(shù)\哈夫曼樹(shù).plg

????..A..H.??????6144??2010-07-11?20:16??哈夫曼樹(shù)\哈夫曼樹(shù).suo

?????目錄??????????0??2010-07-14?08:11??哈夫曼樹(shù)\Debug

?????目錄??????????0??2010-07-14?13:43??哈夫曼樹(shù)

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

??????????????2835987????????????????????26