打卡一小时

#include<iostream>

#include<cmath>

#include"Rectangle.h"

using namespace std;

int main()

{

    Rectangle rect;

    rect.intiRectangle(2, 3, 20, 10);

    rect.move(3, 2);

    cout << "The date of rect(x,y,w,h):" << endl;

    cout << rect.getX() << "," << rect.getY() << "," << rect.getW() << "," << rect.getH() << endl;

    return 0;

}

#include<iostream>

using namespace std;

class Base1

{

public:

    void display()const

    {

        

         cout << "Base1::display()" << endl;

    }

};

class Base2:public Base1

{

public:

    void display()const

    {

         cout << "Base2::display()" << endl;

    }

};

class Derived :public Base2

{

public:

    void display()const

    {

         cout << "Derived::display()" << endl;

    }

   

};

void fun(Base1 *ptr)

                                                                     {

         ptr->display();

    }

int main()

{

    Base1 base1;

    Base2 base2;

    Derived derived;

    fun(&base1);

    fun(&base2);

    fun(&derived);

    return 0;

 

}

#include<iostream>

using namespace std;

class Base1

{

public:

    int var;

    void fun()

    {

         cout << "Member of Base1" << endl;

    }

};

class Base2

{

public:

    int var;

    void fun()

    {

         cout << "Member of Base2" << endl;

    }

};

class Derived :public Base1, public Base2

{

public:

    int var;

    void fun()

    {

         cout << "Member of Derived " << endl;

    }

};

int main()

{

    Derived d;

    Derived* p = &d;

    d.var = 1;

    d.fun();

    (*p).Base1::var = 2;

    (*p).Base1::fun();

    p->Base2::var = 3;

    p->Base2::fun();

    return 0;

}

#include<iostream>

using namespace std;

class Base1

{

public:

    int var;

    void fun()

    {

         cout << "Member of Base1" << endl;

    }

};

class Base2

{

public:

    int var;

    void fun()

    {

         cout << "Member of Base2" << endl;

    }

};

class Derived :public Base1, public Base2

{

public:

    int var;

    void fun()

    {

         cout << "Member of Derived " << endl;

    }

};

int main()

{

    Derived d;

    Derived* p = &d;

    d.var = 1;

    d.fun();

    (*p).Base1::var = 2;

    (*p).Base1::fun();

    p->Base2::var = 3;

p->Base2::fun();

return 0;

}

#include<iostream>

using namespace std;

class Base0

{

public:

    Base0(int var):var0(var){}

    int var0;

    void fun0()

    {

         cout << "Member of Base0" << endl;

 

    }

};

class Base1 :virtual public Base0

{

public:

    Base1(int var):Base0(var){}

    int var1;

};

class Base2 :virtual public Base0

{

public:

    Base2(int var) :Base0(var) {}

    int var2;

};

class Derived :public Base1, public Base2

{

public:

    Derived(int var):Base0(var),Base1(var1),Base2(var2){}

    int var;

    void fun()

    {

         cout << "Member of Derived" << endl;

    }

};

int main()

{

    Derived d(1);

    d.var = 2;

    d.fun();

    return 0;

 

 

}