#include?
#include?
#include?

void?HeapSort（int?*Lint?length）;
void?ShowInfo（int?*Lint?length）;
void?MAXHEAPIFY（int?*Lint?nokint?length）;
FILE?*fp;
int?main（）
{
	int?ij;
	int?number;
	long?startend;
	
	int?*L;	
	if（（fp=fopen（“sort.txt““w“））==NULL）
????{?
????????printf（“cannot?open?file“）;
????????exit（0）;
????}
	printf（“請(qǐng)輸入生成隨機(jī)數(shù)的個(gè)數(shù):“）;
	scanf（“%d“&number）;	
	L?=?（int?*）malloc（（number+1）?*sizeof（int））;
	
	//1.產(chǎn)生隨機(jī)數(shù)
	srand（（int）time（0））;???/*設(shè)置隨機(jī)數(shù)種子*/
	fprintf（fp“產(chǎn)生的隨機(jī)數(shù)是:\n“）;
	for（i=1;i<=number;i++）???//注意0號(hào)單元沒有使用
	{
		j=rand（）;
		fprintf（fp“%-8d“j）;
		L[i]?=?j;
	}
	printf（“\n“）;
	
	start?=?clock（）;
	
	//測(cè)試的程序段
	
	
	//2.堆排序

	HeapSort（Lnumber）;

	fprintf（fp“\n排序的結(jié)果是:\n“）;
	ShowInfo（Lnumber）;	
	
	end?=?clock（）;


	
	fprintf（fp“\n程序運(yùn)行時(shí)間?:%ld?毫秒\n“end-start）;//單位：毫秒

	fclose（fp）;

	printf（“正在打開文件……\n“）;
	system（?“notepad?sort.txt“?）;
	return?0;
}

void?HeapSort（int?*Lint?length）{
	int?i;
	//建立大頂堆
	for（?i?=?length/2;?i?>?0;?i--）{
		MAXHEAPIFY（Lilength）;	
	}

	for（?i?=?length;?i>1;?i--）{
		
		//交換堆頂與尾部元素
		int?swap;
		swap?=?L[1];
		L[1]?=?L[i];
		L[i]?=?swap;
		//調(diào)整大頂堆
		MAXHEAPIFY（L1i-1）;

	}

	
}
void?MAXHEAPIFY（int?*Lint?nokint?length）{
	int?key;
	int?j;
	key?=?L[nok];
	for（?j?=?2?*?nok;?j?<=?length;?j*=2）{
		if（?j??L[j?+1]?）?j++;?//j為key較小的記錄的下標(biāo)?***
		if（?key?>?L[j]?）?break;?//***
		L[nok]?=?L[j];
		nok?=?j;
	}
	L[nok]?=?key;


}

void?ShowInfo（int?*Lint?length）{
	
	int?t;
	for（t?=?1;t?<=?length;?t?++）{
		fprintf（fp“%-8d“L[t]）;
	}
}

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

?????文件?????188463??2009-10-06?23:44??heapsort\Debug\heapsort.exe

?????文件?????525312??2009-10-06?23:44??heapsort\Debug\heapsort.pdb

?????文件???????7649??2009-10-06?23:44??heapsort\Debug\main.obj

?????文件??????53248??2009-10-06?23:44??heapsort\Debug\vc60.pdb

?????文件???????4302??2009-10-06?22:09??heapsort\heapsort.dsp

?????文件????????539??2009-10-06?22:09??heapsort\heapsort.dsw

?????文件??????41984??2009-10-06?23:44??heapsort\heapsort.ncb

?????文件??????53760??2009-10-06?23:44??heapsort\heapsort.opt

?????文件???????1284??2009-10-06?23:44??heapsort\heapsort.plg

?????文件???????1732??2009-10-06?23:43??heapsort\main.c

?????文件????????154??2009-10-06?23:44??heapsort\sort.txt

?????目錄??????????0??2009-10-07?00:19??heapsort\Debug

?????目錄??????????0??2009-10-06?23:44??heapsort

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

???????????????878427????????????????????13