factorial.lang

$Example program of calculating recursive fact$

var main()
{
    var x = input();
    var x = factorial(x);
    print(x);
    puts(10, 0);
    return 0;
}

var factorial(var n)
{
    var fn1 = 0;
    if (n < 1)                                                                                                                  
    {
        return 1;
    }
    var fn1 = factorial(n-1);
    return n * fn1; 
}