c++day5

#include 

using namespace std;

class Sofa
{
private:
    string sitting;
public:
    Sofa()
    {
        cout << "沙发的无参构造函数" << endl;
    }
    Sofa(string s):sitting(s)
    {
        cout << "沙发的有参构造函数" << endl;
    }
    void show()
    {
        cout << sitting << endl;
    }
};

class Bed
{
private:
    string sleep;
public:
    Bed()
    {
        cout << "床的无参构造函数" << endl;
    }
    Bed(string s):sleep(s)
    {
        cout << "床的有参构造函数" << endl;
    }
    void show()
    {
        cout << sleep << endl;
    }
};

class Sofa_Bed:public Bed,protected Sofa
{

private:
    string size;
public:
    Sofa_Bed()
    {
        cout << "沙发床的无参构造函数" << endl;
    }
    Sofa_Bed(string b, string z, string s):Bed(b), Sofa(z), size(s)
    {
        cout << "沙发床的有参构造函数" << endl;
    }
    void show()
    {
        Sofa::show();
        cout << size << endl;
    }
};
int main()
{
    Sofa_Bed s("能睡","能躺","kingsize");
    //s.Sofa::show();
    s.Bed::show();
    s.show();
    return 0;
}