第11周 程序阅读-继承和派生3

#include<iostream>
using namespace std;
class  A
{
private:
    int  x;
protected:
    int y;
public:
    int z;
    A(int a,int b,int c)
    {
        x=a;
        y=b;
        z=c;
    }
    int  Getx()
    {
        return x;
    }
    int  Gety()
    {
        return y;
    }
    void ShowA()
    {
        cout<< "x="<<x<<'\t';
        cout<<"y="<<y<<'\t';
        cout<<"z="<<z<<'\n';
    }
};
class B:public A   //修改点（见后面阅读要求）
{
private:
    int m,n;
public:
    B(int a,int b,int c,int d,int e):A(a,b,c)
    {
        m=d;
        n=e;
    }
    void Show()
    {
        cout<<"m="<<m<<'\t'<<"n="<<n<<'\n';
        cout<<"x="<<Getx()<<'\t';
        cout<<"y="<<y<<'\t'<<"z="<<z<<'\n';
    }
    int Sum()
    {
        return (Getx()+y+z+m+n);
    }
};
int main()
{
    B b1(1,2,3,4,5);
    b1.ShowA();
    b1.Show();
    cout<< "Sum="<<b1.Sum()<<'\n';
    cout<<"x="<<b1.Getx()<<'\t';
    cout << "y=" <<b1.Gety()<<'\t';
    cout << "z="<<b1.z<<'\n';
    return 0;
}

#include<iostream>
using namespace std;
class  A
{
private:
    int  x;
protected:
    int y;
public:
    int z;
    A(int a,int b,int c)
    {
        x=a;
        y=b;
        z=c;
    }
    int  Getx()
    {
        return x;
    }
    int  Gety()
    {
        return y;
    }
    void ShowA()
    {
        cout<< "x="<<x<<'\t';
        cout<<"y="<<y<<'\t';
        cout<<"z="<<z<<'\n';
    }
};
class B:protected A   //修改点（见后面阅读要求）
{
private:
    int m,n;
public:
    B(int a,int b,int c,int d,int e):A(a,b,c)
    {
        m=d;
        n=e;
    }
    void Show()
    {
        cout<<"m="<<m<<'\t'<<"n="<<n<<'\n';
        cout<<"x="<<Getx()<<'\t';
        cout<<"y="<<y<<'\t'<<"z="<<z<<'\n';
    }
    int Sum()
    {
        return (Getx()+y+z+m+n);
    }
};
int main()
{
    B b1(1,2,3,4,5);
    b1.ShowA();
    b1.Show();
    cout<< "Sum="<<b1.Sum()<<'\n';
    cout<<"x="<<b1.Getx()<<'\t';
    cout << "y=" <<b1.Gety()<<'\t';
    cout << "z="<<b1.z<<'\n';
    return 0;
}