C++语言程序设计实验报告 7(2)

C++语言程序设计实验报告

class Circle:public Shape{

public:

Circle(float x,float y,float c):Shape(x,y),c(c){};

float GetC() {return Shape::GetX();}

float GetArea() {return GetC()*GetC()*n;}

~Circle() {};

private:

float c;

};

class Square:public Rectangle{

public:

Square(float a,float b,float d):Rectangle(a,b),d(d){}

float GetD() {return Rectangle::GetA();}

GetArea() {return GetD()*GetD();}

~Square() {};

private:

float d;

};

void main()

{

Rectangle rect(2,3);

cout<<"矩形的长为： ";

cout<<rect.GetA()<<endl;

cout<<"矩形的宽为： ";

cout<<rect.GetB()<<endl;

cout<<"面积为： ";

cout<<rect.GetArea()<<endl;

Circle cir(4,2,8);

cout<<"圆的半径为： ";

cout<<cir.GetC()<<endl;

cout<<"面积为： ";

cout<<cir.GetArea()<<endl;

Square squa(5,6,7);

cout<<"正方形的边长为：";

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