C++ Program using Virtual Base Class to to o check whether a number is a Strong

Write a C program to check whether a number is a Strong Number or not using the Virtual base Class in Object Oriented Programming(OOP).

#include<iostream>
using namespace std;
class Grand_FatherT4Tutorials
{
	public :
		int ip;
};
class p1:virtual public Grand_FatherT4Tutorials
{
	public :
		int sum;
};
class p2:virtual public Grand_FatherT4Tutorials
{
	public :
		int save;
};
class derived:public p1,public p2
{
	protected :
		int fact,num;
	public :
		s_num();
};
derived::s_num()
		{
			sum=0;
			cout<<"Enter number to check: ";
			cin>>ip;
			save=ip;
			while(ip)
			{
				num=ip%10;
				fact = 1;
				for(int i=num;i>0;i--)
				{
					fact=fact*i;
				}
				sum+=fact;
				ip/=10;
			}
			if(sum==save)
			{
				cout<<save<<" is a Strong Number";
			}
			else
			{
				cout<<save<<" is not a Strong Number";
			}	
		}
int main()
{
	derived a;
	a.s_num();
	
}

#include<iostream>

using namespace std;

class Grand_FatherT4Tutorials

{

public :

int ip;

};

class p1:virtual public Grand_FatherT4Tutorials

{

public :

int sum;

};

class p2:virtual public Grand_FatherT4Tutorials

{

public :

int save;

};

class derived:public p1,public p2

{

protected :

int fact,num;

public :

s_num();

};

derived::s_num()

{

sum=0;

cout<<"Enter number to check: ";

cin>>ip;

save=ip;

while(ip)

{

num=ip%10;

fact = 1;

for(int i=num;i>0;i--)

{

fact=fact*i;

}

sum+=fact;

ip/=10;

}

if(sum==save)

{

cout<<save<<" is a Strong Number";

}

else

{

cout<<save<<" is not a Strong Number";

}

int main()

{

derived a;

a.s_num();

}

Some FAQ

1 is a strong number or not? 1 is a strong number.

2 is a strong number or not? 2 is a strong number.

3 is a strong number or not? 3 is not a strong number.

4 is a strong number or not? 4 is not a strong number.

5 is a strong number or not? 5 is not a strong number.

6 is a strong number or not? 6 is not a strong number.

7 is a strong number or not? 7 is not a strong number.

8 is a strong number or not? 8 is not a strong number.

9 is a strong number or not? 9 is not a strong number.

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