虚基类——沙发床类

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问题及代码：

/*。*Copyright(c)2014,烟台大学计算机学院*All right reserved,*文件名：test.cpp*作者：liu_feng_zi_*完成日期：2015年6月25日*版本号：v1.0*问题描述：虚基类————沙发床*输入描述：*程序输出：*/#include <iostream>using namespace std;class Furniture{public:    Furniture(double w)    {        weight=w;    }    void display()    {        cout<<"weight:"<<weight<<endl;    }protected:    double weight; //家具重量};class Bed: virtual public Furniture{public:    Bed(double we,double l,double wi):Furniture(we),length(l),width(wi) {}    void display()    {        cout<<"length:"<<length<<endl;        cout<<"width:"<<width<<endl;    }protected:    double length; //床的长    double width; //床的宽};//沙发类Sofaclass Sofa: virtual public Furniture{public:    Sofa(double w,double h):Furniture(w),height(h) {}    void display()    {        cout<<"height:"<<height<<endl;    }protected:    double height; //沙发的高度};//沙发床class SleeperSofa:public Bed, public Sofa{public:    SleeperSofa(double we,double l,double wi,double h):Furniture(we),Bed(we,l,wi),Sofa(we,h) { }    void display()    {        cout<<"weight:"<<weight<<endl;        Bed::display();        Sofa::display();    }};int main(){    double weight,length,width,height;    cin>>weight>>length>>width>>height;    SleeperSofa ss(weight,length,width,height);    ss.display();    return 0;}

运行结果：

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