#include <iostream>using namespace std;
//定义沙发类
class Sofa
{
private:string *sitting;
public:Sofa(){}//无参构造函数Sofa(string sitting):sitting(new string (sitting))//有参构造函数{}~Sofa()                  //析构函数{delete sitting;}Sofa &operator= (const Sofa & other)        //拷贝赋值函数{sitting=other.sitting;return  *this;}void show (){cout << "沙发="<< *sitting << endl;}};
//定义床类
class Bed
{
private:string sleep;
public:Bed(){}Bed(string sleep):sleep(sleep){}~Bed(){}Bed  &operator= (const Bed &other){sleep=other.sleep;return *this;}void show(){cout << "床=" << sleep <<endl;}
};//定义沙发床类class Bed_Sofa:public Bed,public Sofa
{
private:string color;
public:Bed_Sofa(){}Bed_Sofa(string color,string sitting ,string sleep):Bed(sleep),Sofa(sitting),color(color){}Bed_Sofa &operator=(const Bed_Sofa &other){if(this != &other ){Sofa::operator=(other);Bed::operator=(other);this->color=other.color;}return *this;}~Bed_Sofa(){}void show(){Bed::show();Sofa::show();cout <<"颜色=" << color << endl;}
};int main()
{Bed_Sofa Bs1("green" ,"sitting","sleep");Bs1.show();return 0;
}