Problem 26 page (Multiple Inheritance ) solve by virtual

 #include<iostream>;

using namespace std;

class A {
    public:
        void Method_A() {
        cout << "Method_A" << endl;
    }
};

class B:virtual public A {
    public:
        void Method_B() {
        cout << "Method_B" << endl;
    }
};

class C:virtual public A {
    public:
        void Method_C() {
        cout << "Method_C" << endl;
    }
};

class D : public B,public C{
    public:
        void Method_D() {
        cout << "Method_D" << endl;
    }

    void display() {
        B::Method_A();
        Method_A();
        Method_B();
        Method_C();
        Method_D();
    }
};




int main() {

    D obj;
    obj.Method_A();
    obj.Method_B();
    obj.Method_C();
    obj.Method_D();

    cout << "Display" << endl;
    obj.display();

    return 0;
}