c++填空，希望大家帮下忙

显示全部楼层 · 2008-12-27 13:56:27

#include
using namespace std;
class Rectangle
{
private:

float ledge,sedge;
public:
Rectangle()
{
};
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___________________________________________；
___________________________________________；
Rectangle operator+(_________________________)
{

Rectangle temp;

temp.ledge=ledge+r.ledge;

temp.sedge=sedge+r.sedge;

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cout <<"周长："<<(temp.ledge+temp.sedge)*2 <<endl;

};
};
void main()
{

Rectangle a(3.5,2.5),b(4.2,3.8);

a.showlength();a.showarea();

b.showlength();b.showarea();

(a+b). showlength();

}

千问 · 2008-12-27 13:56:27

#include using namespace std; class Rectangle { private: float ledge,sedge; public: Rectangle() { }; Rectangle(float newLedge,float newSedge){ ledge = newLedge; sedge = newSedge;};void showlength(){ cout<<"周长："<<(ledge+sedge)*2<<endl;};void showarea(){ cout<<"面积："<<(le...

千问 · 2008-12-27 13:56:27

#include using namespace std; class Rectangle { private: float ledge,sedge; public: Rectangle() { }; Rectangle(float x,float y){ledge=x,sedge=y;};/...

千问 · 2008-12-27 13:56:27

#include using namespace std;class Rectangle{private:float ledge,sedge;public:Rectangle(){};Rectangle(int l ,int s)////第一个空{ ledge = l; se...