accessing_inherited_functions.cpp

#include<iostream>

using namespace std;

class A
{
public:
    A(){
        callA = 0;
    }
private:
    int callA;
    void inc(){
        callA++;
    }

protected:
    void func(int & a)
    {
        a = a * 2;
        inc();
    }
public:
    int getA(){
        return callA;
    }
};

class B
{
public:
    B(){
        callB = 0;
    }
private:
    int callB;
    void inc(){
        callB++;
    }
protected:
    void func(int & a)
    {
        a = a * 3;
        inc();
    }
public:
    int getB(){
        return callB;
    }
};

class C
{
public:
    C(){
        callC = 0;
    }
private:
    int callC;
    void inc(){
        callC++;
    }
protected:
    void func(int & a)
    {
        a = a * 5;
        inc();
    }
public:
    int getC(){
        return callC;
    }
};

class D : public A, B, C {
    int val;
public:
    //Initially val is 1
    D() {
        val = 1;
    }

    void update_val(int new_val) {
        while (new_val % 2 == 0) {
            new_val /= 2;
            A::func(val);
        }
        while (new_val % 3 == 0) {
            new_val /= 3;
            B::func(val);
        }
        while (new_val % 5 == 0) {
            new_val /= 5;
            C::func(val);
        }
    }

    //For Checking Purpose
    void check(int); //Do not delete this line.
};



void D::check(int new_val)
{
    update_val(new_val);
    cout << "Value = " << val << endl << "A's func called " << getA() << " times " << endl << "B's func called " << getB() << " times" << endl << "C's func called " << getC() << " times" << endl;
}


int main()
{
    D d;
    int new_val;
    cin >> new_val;
    d.check(new_val);

}