Lập trình hướng đối tượng C++

Tài liệu tham khảo công nghệ thông tin Lập trình hướng đối tượng C++

Giáo viên hướng dẫn : Nguyễn Đức Hiển

Sinh viên thực hiện : Nguyễn Tiến Hoài Nam

Lớp : 06I

Câu 1:

void swap(int *a,int *b)

cout<<"nhap so d["<<i<<"]=";

cin>>d[i];

}cout<<"day duoc sap sep tang dan :\n";

for(i=1;i<=n;i++) for(j=i+1;j<n+1;j++) if(d[i]>d[j])

swap(&d[i],&d[j]);

for(i=1;i<=n;i++){

cout<<d[i]<<"\t";

}cout<<"\nday duoc sap sep giam dan :\n";

for(i=1;i<=n;i++) for(j=i+1;j<n+1;j++) if(d[i]<d[j])

swap(&d[i],&d[j]);

for(i=1;i<=n;i++){

cout<<d[i]<<"\t";

}getch();

PhanSo operator + (PhanSo a ,PhanSo b);

PhanSo operator - (PhanSo a ,PhanSo b);

PhanSo operator * (PhanSo a ,PhanSo b);

PhanSo operator / (PhanSo a ,PhanSo b);

int operator > (PhanSo a ,PhanSo b);

int operator >=(PhanSo a ,PhanSo b);

int operator < (PhanSo a ,PhanSo b);

int operator <=(PhanSo a ,PhanSo b);

int operator ==(PhanSo a ,PhanSo b);

int operator !=(PhanSo a ,PhanSo b);

PhanSo RutGonPS (PhanSo a);

}

void main() {

clrscr();

PhanSo a,b,c;

cout<<"Tu So a="; cin>>a.TuSo;

cout<<"MauSo a="; cin>>a.MauSo;

else cout<<"\nPS b khac PS a";

if (a!=b) cout<<"\nPS a khac PS b";

else cout<<"\nPS b bang PS a";

if (a>b) cout<<"\nPS a lon hon PS b";

else if(b>a)

cout<<"\nPS b lon hon PS a";

else cout<<"\na=b";

if (a>=b) cout<<"\nPS a lon hon hoac bang PS b";

else cout<<"\nPS b lon hon hoac bang PS a";

if (a<b) cout<<"\nPS a be hon PS b";

else if (b<a) cout<<"\nPS b be hon PS a";

else cout<<"\nb=a";

if (a<=b) cout<<"\nPS a be hon hoac bang PS b";

else cout<<"\nPS b be hon hoac bang PS a";

getch();

}

// Dinh Nghia Cac HamPhanSo operator + (PhanSo a ,PhanSo b) {

else return 0;

}

int operator >= (PhanSo a ,PhanSo b) {

if(a.TuSo*b.MauSo>=b.TuSo*a.MauSo) return 1;

else return 0;

}

int operator < (PhanSo a ,PhanSo b) {

if(a.TuSo*b.MauSo<b.TuSo*a.MauSo) return 1;

else return 0;

}

int operator <= (PhanSo a ,PhanSo b) {

if(a.TuSo*b.MauSo<=b.TuSo*a.MauSo) return 1;

else return 0;

}

int operator == (PhanSo a ,PhanSo b) {

if(a.TuSo*b.MauSo==b.TuSo*a.MauSo) return 1;

else return 0;

}

int operator != (PhanSo a ,PhanSo b) {

if(a.TuSo*b.MauSo!=b.TuSo*a.MauSo)

return 1;

else return 0;

else UCLN= m;

tam.ao= ((b.thuc*a.ao)-(a.thuc*b.ao))/((b.thuc*b.thuc)+

(b.ao*b.ao));

} return tam;

else { cout<< "\nhai so phuc khong bang nhau"; } if(x!=y)

{ cout<<"\nhai so phuc khac nhau";}

else { cout<<"\nhai so phuc khong khac nhau";}

cout<<"vui long nhap cac thong tin sau :\n";

cout<<"ten sinh vien :";

cin>>ten;

cout<<"\ndiem toan :";

cout<<"\nten sinh vien :"<<ten;

cout<<"\ndiem trung binh :"<<dtb<<"\n";

cout<<"3 SV co diem trung binh cao nhat la : \n";

for(i=0;i<=2;i++) //in ra man hinh 3 sinh vien co dtb cao nhat

cout<<"chieu dai la :"<<chdai;

cout<<"\nchieu rong la :"<<chrong;

int tuso, mauso;

public:

void nhap();

friend phanso rutgon(phanso p);

friend phanso cong(phanso p1,phanso p2);

friend phanso tru(phanso p1, phanso p2);

friend phanso nhan(phanso p1,phanso p2);

friend phanso chia(phanso p1,phanso p2);

double thuc;

double ao;

public:

void nhap() {

cout<<"("<<a.thuc<<","<<a.ao<<")"<<endl;

} sophuc operator + ( sophuc a) {

sophuc tam;

if((a.thuc!=0.0)&&(a.ao!=0.0))

tam.thuc=

((this->thuc*a.thuc)+(this->ao*a.ao))/((a.thuc*a.thuc)+(a.ao*a.ao));

tam.ao=

((a.thuc*this->ao)-(this->thuc*a.ao))/((a.thuc*a.thuc)+(a.ao*a.ao));

return tam;

}

int operator == (sophuc a) {

return ((this->thuc==a.thuc)&&(this->ao==a.ao));

} int operator != (sophuc a) {

return ((this->thuc!=a.thuc)||(this->ao!=a.ao));

}};

else cout<<"\nhai so phuc khong bang nhau";

if(a!=b) cout<<"\nhai so phuc khac nhau";

else cout<<"\nhai so phuc khong khac nhau";

cout<<"\nnhap ma tran A";cin>>a;

cout<<"\nnhap ma tran B";cin>>b;

cout<< "\nhoanh do va tung do cua diem:" ; cin>>x>>y;

} void xuat() {

cout<<x<<","<<y;

} double do_dai(point n) {

return sqrt(pow(x-n.x,2)+pow(y-n.y,2));

} };

int x,y;

public :

DIEM(){

x=y=0;

}DIEM(int x1,int y1){

x=x1;y=y1;

}DIEM(DIEM &d){

this->x=d.x;

this->y=d.y;

}int operator[](int i){

if(i==1)return x;

else return y;

}};

class DUONG_TRON:public DIEM

{

int r,md;

public:

DUONG_TRON():DIEM(){

r=md=0;

}DUONG_TRON(DIEM d,int r1, int md1):DIEM(d){

r=r1;md=md1;

}void ve(){

setcolor(md);

circle((*this)[1],(this)[2],r);

}int getmd(){

return md;

}};

void ktdh()

{

int mh=0,mode=0;

initgraph(&mh,&mode,"");

} DIEM(double x1,double y1)

{ x=x1;y=y1;

} void in()

{ cout<<"\nx="<<x<<" y="<<y;

}};

class HINH_TRON : public DIEM

r=0.0;

} HINH_TRON(double x1,double y1,double r1):DIEM(x1,y1)

{ r=r1;

} double getR()

{

return r;

}

};

delete ten;

delete diachi;

ns=0;

} }

void xuat()

{

cout<<"\nho va ten:"<<ten<<"\nnam sinh:"<<ns<<"\ndiachi:"<<diachi; }

sotiet=0;

} mon_hoc(char*mon1,int sotiet1)

giao_vien(char*ten1,char*diachi1,int ns1,char*mon1,int sotiet1):nguoi(ten1,diachi1,ns1),mh(mon1,sotiet1)

{}

~giao_vien() {}

void xuat() {

nguoi::xuat() ;mh.xuat();

}};

void main()

{

clrscr();

giao_vien a; // goi toi ham tao khong doi

giao_vien *b; //goi toi ham tao co doi

b= new giao_vien("nhu quynh","da nang",1988,"tin",60);

cout<<"\ngoi ham xuat tu lop giao vien";