Factorial of a number using C++

C++ program to find the factorial of a given number

#include <iostream.h>
#include <conio.h>

int factorial(int);

int factorial(int x)
{
if(x==1)
return 1;
else
return (x * factorial(x-1));

}

void main()
{

int n,fact;

cout << "Enter a number to find its factorial : ";
cin >> n;

fact = factorial(n);

cout << "\n\nFactorial of " << n << " is " << fact;
getch();

}