#include
#include
using namespace std;
class circle{//圆类
public:
circle(){
r=0.0;
}
circle(double c_r){
r=c_r;
}
double getArea(){//得到面积
return M_PI*r*r;
}
private:
double r;//半径
};
class table{//桌子类
public:
table(){
height=0.0;
color="nocolor";
}
table(double t_height,string t_color){
height=t_height;
color=t_color;
}
double getHeight(){
return height;
}
string getColor(){
return color;
}
private:
double height;//高度
string color;//颜色
};
class roundtable : public circle,public table{
public:
roundtable(double r_r,double r_height,string r_color):circle(r_r),table(r_height,r_color){
}
};
int main(){
roundtable a = roundtable(0.5,1.2,"red");
cout<
}