“图形”类Shape中定义了纯虚函数CalArea(),“三角形”类Triangle继承了类Shape,请将Triangle类中的CalArea函数补充完整。 #include using namespace std;class Shape{ public: virtual double CalArea()=0; //求面积}; class Triangle: public Shape{ public: Triangle(double s, double h):side(s),height(h){} ________________{ return side * height/2;} //求三角形面积private: double side;//底边长 double height; //底边上的高}; int main(){ Triangle tri(3,5); cout<<"Triangle area="<
发布时间:2024-04-08 15:51:53
发布时间:2024-04-08 15:51:53