Đồ Án Của Vũ Bằng, Thanh Điền Và Thảo Loan(Cấu trúc Graph Kế thừa)

#include <stdio.h>
#include <conio.h>
#include <iostream.h>
#include <math.h>

class Hinh_Hoc
{
protected:
double AB,gA;
public:
double nhapcanh()
{
cin>>AB;
return AB;
}
double nhapgoc()
{
cin>>gA;
return gA;
}
};
class Tamgiac:public Hinh_Hoc
{
protected:
double AB,BC,AC,gA,gB,gC;
public:
int kiemtra;
void kiemtra_Tamgiac()
{
kiemtra=0;
if((AB+BC<=AC)||(AB+AC<=BC)||(AC+BC<=AB))
{
cout<<endl<<"Nhap loi! Canh khong dung. Khong ton tai Tam giac."<<endl<<"Nhap lai:"<<endl;
kiemtra=1;
}
else if(gA+gB+gC!=180||gA==0||gB==0||gC==0)
{
cout<<endl<<"Nhap loi! Goc khong dung. Khong ton tai Tam giac."<<endl<<"Nhap lai:"<<endl;
kiemtra=1;
}
}
void Nhaptamgiac()
{
do{
cout<<"Nhap canh AB: ";AB=nhapcanh();
cout<<"Nhap canh BC: ";BC=nhapcanh();
cout<<"Nhap canh AC: ";AC=nhapcanh();
cout<<"Nhap goc A: ";gA=nhapgoc();
cout<<"Nhap goc B: ";gB=nhapgoc();
cout<<"Nhap goc C: ";gC=nhapgoc();
kiemtra_Tamgiac();
}while(kiemtra==1);
}
void Intamgiac()
{
cout<<"Canh AB="<<AB<<" Canh AC="<<AC<<" Canh BC="<<BC<<endl;
cout<<"Goc A="<<gA<<" Goc B="<<gB<<" Goc C="<<gC<<endl;
}
};
class TGvuong:public Tamgiac
{
private:
public:
void kiemtraTGvuong()
{
if(gA!=90&&gB!=90&&gC!=90)
{
cout<<endl<<"Nhap loi! Khong co goc nao 90. Khong ton tai Tam giac vuong."<<endl<<"Nhap lai:"<<endl;
kiemtra=1;
}
}
void NhapTGvuong()
{
do{
Nhaptamgiac();
kiemtraTGvuong();
}while(kiemtra==1);
}
void InTGvuong()
{
Intamgiac();
if(gA==90)
cout<<"Dien tich tam giac vuong vua nhap la:"<<0.5*AC*AB;
else if(gB==90)
cout<<"Dien tich tam giac vuong vua nhap la:"<<0.5*BC*AB;
else cout<<"Dien tich tam giac vuong vua nhap la:"<<0.5*AC*BC;
}
};
class TGcan:public Tamgiac
{
private:
public:
void kiemtraTGcan()
{
if(AB!=BC&&AC!=BC&&AB!=AC)
{
cout<<endl<<"Nhap loi! Khong co canh nao bang nhau. Khong ton tai Tam giac can."<<endl<<"Nhap lai:"<<endl;
kiemtra=1;
}
else if(AB==BC&&AC==BC&&AB==AC)
{
if(gA!=60&&gB!=60&&gC!=60)
{
cout<<endl<<"Nhap loi! Goc khong hop ly."<<endl<<"Nhap lai:"<<endl;
kiemtra=1;
}
}
else if(gA!=gB&&gA!=gC&&gB!=gC)
{
cout<<endl<<"Nhap loi! Khong co goc nao bang nhau. Khong ton tai Tam giac can."<<endl<<"Nhap lai:"<<endl;
kiemtra=1;
}
else if(AB==BC)
{
if(gA!=gC)
{
cout<<endl<<"Nhap loi! Goc khong hop ly. (goc A=C)"<<endl<<"Nhap lai:"<<endl;
kiemtra=1;
}
}
else if(AC==BC)
{
if(gA!=gB)
{
cout<<endl<<"Nhap loi! Goc khong hop ly. (goc A=B)"<<endl<<"Nhap lai:"<<endl;
kiemtra=1;
}
}
else if(AB==AC)
{
if(gB!=gC)
{
cout<<endl<<"Nhap loi! Goc khong hop ly. (goc B=C)"<<endl<<"Nhap lai:"<<endl;
kiemtra=1;
}
}
else if(gA==60&&gB==60&&gC==60)
{
cout<<endl<<"Nhap loi! Canh khong hop ly."<<endl<<"Nhap lai:"<<endl;
kiemtra=1;
}
}
void NhapTGcan()
{
do{
Nhaptamgiac();
kiemtraTGcan();
}while(kiemtra==1);
}
void InTGcan()
{
Intamgiac();
}
};
class TGdeu:public Tamgiac
{
private:
public:
void kiemtraTGdeu()
{
if(AB!=BC&&AC!=BC&&AC!=AB)
{
cout<<endl<<"Nhap loi! Cac canh khong bang nhau. Khong ton tai Tam giac deu."<<endl<<"Nhap lai:"<<endl;
kiemtra=1;
}
else if(gA!=60&&gB!=60&&gC!=60)
{
cout<<endl<<"Nhap loi! Cac goc khong bang 60. Khong ton tai Tam giac deu."<<endl<<"Nhap lai:"<<endl;
kiemtra=1;
}
}
void NhapTGdeu()
{
do{
Nhaptamgiac();
kiemtraTGdeu();
}while(kiemtra==1);
}
void InTGdeu()
{
Intamgiac();
cout<<"Dien tich tam giac deu vua nhap la:"<<0.5*sqrt(3)/2*AC*AB;
}
};
class TuGiac:public Hinh_Hoc
{
protected:
int ab,bc,cd,ad;
int abc,bcd,cda,dab;
public:
int kiemtra;
void KT_TuGiac()
{
kiemtra=0;
if((ab+bc<cd)||(bc+cd<ad)||(ad+ab<bc))
{
cout<<endl<<" Loi!!! nhap canh sai.nhap lai nha!!!";
kiemtra=1;
}
}
void Nhap_TuGiac()
{
do
{
cout<<endl<<" canh AB= ";
ab=nhapcanh();
cout<<" canh BC= ";
bc=nhapcanh();
cout<<" canh CD= ";
cd=nhapcanh();
cout<<" canh AD= ";
ad=nhapcanh();
KT_TuGiac();
}while(kiemtra==1);
}
void Xuat_TuGiac()
{
cout<<endl<<" canh AB = "<<ab<<endl<<" canh BC= "<<bc<<endl<<" canh CD= "<<cd<<endl<<" canh AD= "<<ad<<endl;
}
};
class HinhThang:public TuGiac
{
protected:
int adb,abd,cbd,cdb;
public:
void KT_HinhThang()
{
kiemtra=0;
if ((adb!=cbd)&&(cdb!=abd))
{
cout<<"\n khong co cap canh song song\n";
kiemtra=1;
}
else if (abc+bcd+cda+dab!=360)
{
cout<<"\n loi!!!tong 4 goc trong tu giac phai la 360\n ";
kiemtra=1;
}
}
void Nhap_HinhThang()
{
Nhap_TuGiac();
do
{
cout<<endl<<" goc ABC= ";
abc=nhapgoc();
cout<<" goc BCD= ";
bcd=nhapgoc();
cout<<" goc CDA= ";
cda=nhapgoc();
cout<<" goc DAB= ";
dab=nhapgoc();
adb=atan(ab/ad),cbd=atan(cd/bc);
cdb=atan(bc/cd),abd=atan(ad/ab);
KT_HinhThang();
}while(kiemtra==1);
}
void Xuat_HinhThang()
{
Xuat_TuGiac();
cout<<endl<<" goc ABC= "<<abc<<endl<<" goc BCD= "<<bcd<<endl<<" goc CDA= "<<cda<<endl<<" goc DAB= "<<dab<<endl;
}
};
class HinhBinhHanh: public HinhThang
{
protected:
public:
void KT_HinhBinhHanh()
{
kiemtra=0;
if(ab!=cd||bc!=ad)
{
cout<<"loi!!! khong co 2 cap canh bang nhau";
kiemtra=1;
}
else if((abc!=cda)||(dab!=bcd))
{
cout<<"loi!!! khong co 2 cap canh //";
kiemtra=1;
}
}
void Nhap_HinhBinhHanh()
{
do{
Nhap_HinhThang();
KT_HinhBinhHanh();
}while(kiemtra==1);
}
void Xuat_HinhBinhHanh()
{
Xuat_HinhThang();
}
};
class HinhChuNhat: public HinhBinhHanh
{
protected:
public:
void KT_HinhChuNhat()
{
kiemtra=0;
if((abc!=90)&&(bcd!=90)&&(cda!=90)&&(dab!=90))
{
cout<<"Co goc khong bang 90";
kiemtra=1;
}
}
void Nhap_HinhChuNhat()
{
do{
Nhap_HinhBinhHanh();
KT_HinhChuNhat();
}while(kiemtra==1);
}
void Xuat_HinhChuNhat()
{
Xuat_HinhBinhHanh();
}
};
class HinhVuong:public HinhChuNhat
{
protected:
public:
void KT_HinhVuong()
{
kiemtra=0;
if(ab!=bc)
{
cout<<"loi!!! khong co canh ke bang nhau";
kiemtra=1;
}

}
void Nhap_HinhVuong()
{
do{
Nhap_HinhChuNhat();
KT_HinhVuong();
}while(kiemtra==1);
}
void Xuat_HinhVuong()
{
Xuat_HinhChuNhat();
}
/*void DT_HinhVuong()
{
DT_HinhChuNhat();
}*/
};
void menu()
{
aa:
clrscr();
cout<<endl<<endl<<endl<<"=====================================< Menu >==================================="<<endl;
cout<<" Tam Giac"<<endl<<endl;
cout<<" (1). Tam giac vuong"<<endl;
cout<<" (2). Tam giac can"<<endl;
cout<<" (3). Tam giac deu"<<endl<<endl;
cout<<" Tu Giac"<<endl<<endl;
cout<<" (4). Hinh Thang"<<endl;
cout<<" (5). Hinh binh hanh"<<endl;
cout<<" (6). Hinh chu nhat"<<endl;
cout<<" (7). Hinh vuong"<<endl;
cout<<endl<<" (8). Thoat"<<endl;
int bienchon,i;
do{
cout<<"Nhap vao vi tri tuong ung: ";
cin>>bienchon;
i=0;
for(int j=1;j<=8;j++)
{
if(bienchon==j)
i=1;
}
}while(i==0);
switch(bienchon)
{
case 1:{
clrscr();
TGvuong tgv;
cout<<"Nhap thong tin cua Tam Giac Vuong:"<<endl<<endl;
tgv.NhapTGvuong();
clrscr();
cout<<"Thong tin cua Tam Giac Vuong vua nhap:"<<endl<<endl;
tgv.InTGvuong();
getch();
goto aa;
}
case 2:{
clrscr();
TGcan tgc;
cout<<"Nhap thong tin cua Tam Giac Can:"<<endl<<endl;
tgc.NhapTGcan();
clrscr();
cout<<"Thong tin cua Tam Giac Can vua nhap:"<<endl<<endl;
tgc.InTGcan();
getch();
goto aa;
}
case 3:{
clrscr();
TGdeu tgd;
cout<<"Nhap thong tin cua Tam Giac Deu:"<<endl<<endl;
tgd.NhapTGdeu();
clrscr();
cout<<"Thong tin cua Tam Giac Deu vua nhap:"<<endl<<endl;
tgd.InTGdeu();
getch();
goto aa;
}
case 4:{
clrscr();
HinhThang ht;
cout<<"Nhap thong tin cua Hinh Thang:"<<endl<<endl;
ht.Nhap_HinhThang();
clrscr();
cout<<"Thong tin cua Hinh Thang vua nhap:"<<endl<<endl;
ht.Xuat_HinhThang();
getch();
goto aa;
}
case 5:{
clrscr();
HinhBinhHanh hbh;
cout<<"Nhap thong tin cua Hinh Binh Hanh:"<<endl<<endl;
hbh.Nhap_HinhBinhHanh();
clrscr();
cout<<"Thong tin cua Hinh Binh Hanh vua nhap:"<<endl<<endl;
hbh.Xuat_HinhBinhHanh();
getch();
goto aa;
}
case 6:{
clrscr();
HinhChuNhat hcn;
cout<<"Nhap thong tin cua Hinh Chu Nhat:"<<endl<<endl;
hcn.Nhap_HinhChuNhat();
clrscr();
cout<<"Thong tin cua Hinh Chu Nhat vua nhap:"<<endl<<endl;
hcn.Xuat_HinhChuNhat();
getch();
goto aa;
}
case 7:{
clrscr();
HinhVuong hv;
cout<<"Nhap thong tin cua Hinh Vuong:"<<endl<<endl;
hv.Nhap_HinhVuong();
clrscr();
cout<<"Thong tin cua Hinh Vuong vua nhap:"<<endl<<endl;
hv.Xuat_HinhVuong();
getch();
goto aa;
}
case 8:{
clrscr();
break;
}
}
}

void main()
{
clrscr();
menu();
//getch();
}