Sqrcub.cpp

#include<iostream>
using namespace std;
class A
{
public:
int n;
void insert()
{           cout<<"Enter the number::"<<endl;
cin>>n;
}
};
class B : public A
{
public:
            int i,f=1;
void facto()
{
for(i=1;i<=n;i++)
f=f*i;
cout<<"Factorial::"<<f<<endl;
}
};
class C : public A
{public:
int s;
void square()
{ s=n*n;
cout<<"Square::"<<s<<endl;
}
};
class D : public A
{public:
int c;
void cube()
{ c=n*n*n;
cout<<"Cube::"<<c<<endl;
}
};
int main()
{ B obj1;
C obj2;
D obj3;
obj1.insert();
obj1.facto();
obj2.insert();
obj2.square();
obj3.insert();
obj3.cube();
return 0;
}