10.11作业

#include 

using namespace std;

class Wangyiyun
{
private:
    string vip;
public:
    Wangyiyun()
    { cout << "网易云的无参构造函数" << endl; }

    Wangyiyun(string v):vip(v)
    { cout << "网易云的有参构造函数" << endl; }

    void show()
    { cout << vip << endl; }
};

class Txqq
{
private:
    string supervip;
public:
    Txqq()
    { cout << "QQ音乐的无参构造函数" << endl; }

    Txqq(string s):supervip(s)
    { cout << "QQ音乐的有参构造函数" << endl; }

    void show()
    { cout << supervip << endl; }
};

class Dayuanzhong : protected Wangyiyun, protected Txqq
{
private:
    string characteristic;
public:
    Dayuanzhong()
    { cout << "大冤种的无参构造函数" << endl; }

    Dayuanzhong(string v, string s, string c):Wangyiyun(v), Txqq(s), characteristic(c)
    { cout << "大冤种的有参构造函数" << endl; }

    void show()
    {
        Wangyiyun::show();
        Txqq::show();
        cout << "大冤种" << endl;
    }
};

int main()
{
    Dayuanzhong c("黑胶vip", "豪华绿钻", "人傻钱多");
    c.show();
    return 0;
}
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运行结果: