Virtual base class C++ Program to check Armstrong number of n digits

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Write a program in C++ to check Armstrong number of n digits by using the virtual base class in Object Oriented Programming.

#include<iostream>
#include<math.h>
#include<conio.h>
using namespace std;
class A
{
	public:
	int num;
};
class B : public virtual A
{
	public:
	int result;
};
class C : public virtual A
{
	public:
	int r;
};
class D: public B, public C
{
	public:
	void T4Tutorials_Get_Number()
	{
		int n,n1,a,b;
		n1=a;
		n=b;
		cout<<"check the num of Armstrong or not : ";
		cin>>n;
		num=n1;
		while(num !=0)
		{
			num/=10;
			n++;
		}
		num=n1;
		while (num !=0)
		{
			r=num%10;
			result+=pow(r,n);
			num /=10;
		}
		if(result == n1)
		cout<<"Armstrong Number : ";
		else
		cout<<"Not Armstrong Number : ";
	}
};
int main()
{
	D obj;
	obj.T4Tutorials_Get_Number();
}

#include<iostream>

#include<math.h>

#include<conio.h>

using namespace std;

class A

{

public:

int num;

};

class B : public virtual A

{

public:

int result;

};

class C : public virtual A

{

public:

int r;

};

class D: public B, public C

{

public:

void T4Tutorials_Get_Number()

{

int n,n1,a,b;

n1=a;

n=b;

cout<<"check the num of Armstrong or not : ";

cin>>n;

num=n1;

while(num !=0)

{

num/=10;

n++;

}

num=n1;

while (num !=0)

{

r=num%10;

result+=pow(r,n);

num /=10;

}

if(result == n1)

cout<<"Armstrong Number : ";

else

cout<<"Not Armstrong Number : ";

}

};

int main()

{

D obj;

obj.T4Tutorials_Get_Number();

}

FAQ

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check whether the number is armstrong or not in c++ by using the virtual base class in OOP.

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Prof. Fazal Rehman Shamil

CEO @ T4Tutorials.com
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