cpp-oop-lab-programs/Program 19 - Multilevel Inheritance.cpp at main · Divyansh11x/cpp-oop-lab-programs · GitHub

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#include <iostream>
using namespace std;

class A
{
protected:
    int a;

public:
    void inputA()
    {
        cout << "Enter A: ";
        cin >> a;
    }
};

class B : public A
{
protected:
    int b;

public:
    void inputB()
    {
        cout << "Enter B: ";
        cin >> b;
    }
};

class C : public B
{
public:
    void display()
    {
        cout << "Sum = " << a + b;
    }
};

int main()
{
    C obj;

    obj.inputA();
    obj.inputB();

    obj.display();

    return 0;
}