void main() { Circle cir1(7, 9, 15); cout<<"cir1 has id = "<<cir1.getId()<<", area = "<<cir1.getArea()<<endl; Rectangle rect1(-50,70,150,180); cout<<"rect1 has id = "<<rect1.getId()<<", area = "<<rect1.getArea()<<endl; Shape * shape1 = &cir1; cout<<"shape1 has id = "<<shape1->getId()<<", area = "<<shape1->getArea()<<endl; shape1 = &rect1; cout<<"shape1 has id = "<<shape1->getId()<<", area = "<<shape1->getArea()<<endl; }
int main() { cir0(); cir1(); return 0; }