c++程序题，求解？？具体要求在图片中，主要讲讲如何实现main函数中的要求，和虚基类和派生类的关系

显示全部楼层 · 2011-12-14 17:17:55

const double PI = 3.14;class Shape{private:double area;double perimeter;public:Shape(double a = 0, double p = 0):area(a), perimeter(p){}virtual void Area(){cout << "Area = " << area << endl;}virtual void Perimeter(){cout << "Perimeter = " << perimeter << endl;}};class Circle: public Shape{priva...

千问 · 2011-12-14 17:17:55

看不到图片...