/*
定义 Total 函数,实现不同形状的面积累加,请根据提示,在相应位置补充代码。
程序输出如下:
sum=329.15
/
#include
#include
using namespace std;
const double PI=3.1415;
class Shap
{
public:
virtual double Area()=0;
};
class Rectangle:public Shap
{
public:
Rectangle(double h,double w)
{
H=h;
W=w;
}
double Area(){return HW;}
private:
double H,W;
};
class Circle:public Shap
{
public:
Circle(double r){R=r;}
double Area(){return PIRR;}
private:
double R;
};
//Begin*//
//定义 Total 函数,实现不同形状的面积累加//End*//
int main ( )
{
vector<Shap*> v;
v.push_back(new Rectangle(5.0,3.0));
v.push_back(new Circle(10.0));
double sum=Total(v);
cout<<"sum="<<sum<<endl;
return 0;
}