/*PROGRAM TO CALCULATE FACTORIAL OF A NUMBER*/
#include<conio.h>
#include<iostream.h>
class factorial
{
int f,n,i;
public:
void input();
void output();
};
void factorial::input()
{
cout<<“Enter any positive number: “;
cin>>n;
}
void factorial::output()
{
if(n>0)
{
f=1;
for(i=n;i>=1;i–)
f=f*i;
cout<<“Factorial of “<<n<<” is: “<<f;
}
else
cout<<“Number must be greater than 1″;
}
void main()
{
factorial f1;
clrscr();
f1.input();
f1.output();
getch();
}