#include<iostream.h>
#include<conio.h>
class factor
{
private:
int fact, i, n;
public:
int operate();
void display();
factor();
};
factor :: factor()
{
clrscr();
cout<<"Enter the number whose factorial is required : ";
cin>>n;
fact = 1;
}
int factor :: operate()
{
for (i=1; i<=n; i++)
{
fact=fact*i;
}
return(fact);
}
void factor :: display()
{
cout<<endl<<"The factorial of entered no. is:";
cout<<fact;
}
int main ()
{
class factor obj;
obj.operate();
obj.display();
getch();
return 0;
}