#include
#include
#include
typedef?struct?info?{
	char?name[20];
	char?sex[10];
	float?hight;
	char?clas[10];
}infor;
??void?main（）
??{???
	??int?i;
	??cout<<“請(qǐng)輸入人數(shù):“<		cin>>i;
	infor?*p;
	p=new?infor[i];
????????for（int?j=1;j<=i;j++）
		{
	???????cout<<“請(qǐng)輸入第“<???????????cin>>p[j].name;
		???cin>>p[j].sex;
		???cin>>p[j].hight;
		???cin>>p[j].clas;
		}
	cout<<“C4.5算法：“<?????int?countmale=0countfemale=0countclasshort=0countclasmidium=0countclashigh=0;
?????????for（?j=1;j<=i;j++）
		?{
			?if（!strcmp（p[j].sex“female“）||!strcmp（p[j].sex“女“））{countfemale++;}
			?else?if（!strcmp（p[j].sex“male“）||!strcmp（p[j].sex“男“））{countmale++;}
		???????if（!strcmp（p[j].clas“short“）||!strcmp（p[j].clas“矮“））?countclasshort++;
			???????else?if（!strcmp（p[j].clas“midium“）||!strcmp（p[j].clas“中“））??countclasmidium++;
		??????????????else?if（!strcmp（p[j].clas“high“）||!strcmp（p[j].clas“高“））countclashigh++;
		?}
		?
		???double?initHinitshortHinitmidiumHinithighH;
	????????if（countclasshort==0）?initshortH=0;
??????????????else?initshortH=（（double）（countclasshort）/（countclasshort+countclasmidium+countclashigh））*log10（（countclasshort+countclasmidium+countclashigh）/（double）（countclasshort））;
	????????????if（countclasmidium==0）?initmidiumH=0;
			???????else?initmidiumH=（（double）（countclasmidium）/（countclasshort+countclasmidium+countclashigh））*log10（（countclasshort+countclasmidium+countclashigh）/（double）（countclasmidium））;
?????????????????????if（countclashigh==0）?inithighH=0;
					????else?inithighH=（（double）（countclashigh）/（countclasshort+countclasmidium+countclashigh））*log10（（countclasshort+countclasmidium+countclashigh）/（double）（countclashigh））;
??????????????initH=initshortH+initmidiumH+inithighH;
			??double??femaleHmaleHfemaleshortHfemalemidiumHfemalehighHmaleshortHmalemidiumHmalehighH;
			????int?sexshort=0sexmidium=0sexhigh=0;
			????for（j=1;j<=i;j++）
				{
				??if（!strcmp（p[j].sex“female“）||!strcmp（p[j].sex“女“））
				???{
					??if（!strcmp（p[j].clas“short“）||!strcmp（p[j].clas“矮“））?{sexshort++;}
					????else?if（!strcmp（p[j].clas“midium“）||!strcmp（p[j].clas“中“））??{sexmidium++;}
					?????else?if（!strcmp（p[j].clas“high“）||!strcmp（p[j].clas“高“））?{?sexhigh++;}
				???}
				}
				??if（sexshort==0）?femaleshortH=0;
				???else?femaleshortH=（（double）（sexshort）/countfemale）*log10（countfemale/（double）（sexshort））;
				??????if（sexmidium==0）?femalemidiumH=0;
					?????else?femalemidiumH=（（double）（sexmidium）/countfemale）*log10（countfemale/（double）（sexmidium））;
????????????????????????????if（sexhigh==0）?femalehighH=0;
							??else?femalehighH=（（double）（sexhigh）/countfemale）*log10（countfemale/（double）（sexhigh））;
					femaleH=femaleshortH+femalemidiumH+femalehighH;
					sexshort=0sexmidium=0sexhigh=0;
			????for（j=1;j<=i;j++）
				{
					if（!strcmp（p[j].sex“male“）||!strcmp（p[j].sex“男“））
					{
					if（!strcmp（p[

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

?????文件?????245842??2010-05-04?20:45??ID3\Debug\file.exe

?????文件?????279188??2010-05-04?20:45??ID3\Debug\file.ilk

?????文件??????23934??2010-05-04?20:45??ID3\Debug\file.obj

?????文件?????264888??2010-05-04?20:45??ID3\Debug\file.pch

?????文件?????435200??2010-05-04?20:45??ID3\Debug\file.pdb

?????文件??????41984??2010-05-04?20:45??ID3\Debug\vc60.idb

?????文件??????61440??2010-05-04?20:45??ID3\Debug\vc60.pdb

?????文件??????12527??2009-09-04?10:51??ID3\file.cpp

?????文件???????3377??2010-05-04?20:45??ID3\file.dsp

?????文件????????533??2010-05-04?20:46??ID3\file.dsw

?????文件??????33792??2010-05-04?20:46??ID3\file.ncb

?????文件??????48640??2010-05-04?20:46??ID3\file.opt

?????文件???????1132??2010-05-04?20:45??ID3\file.plg

?????目錄??????????0??2010-05-04?20:45??ID3\Debug

?????目錄??????????0??2010-05-04?20:46??ID3

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

??????????????1452477????????????????????15