class Hovedprogram {

    public static void main(String[] args) {

        System.out.println(fib(20));
        System.out.println(fak(5));
        System.out.println(fakIter(5));

        MinLenkeliste<String> liste = new MinLenkeliste<String>();

        liste.settInn("1");
        liste.settInn("2");
        liste.settInn("3");
        liste.settInn("4");
        liste.print();
        System.out.println("Storrelse = " + liste.storrelse());
    }

    public static long fak(long n){

        if (n == 1) return 1;
        else return n * fak(n-1);
    }

    public static long fakIter(long n){

        long res = 1;
        for (int i = 1; i <= n; i++){
            res = res * i;
        }
        return res;
    }

    public static int fib(int n){
        if (n == 0) return 0;
        if (n == 1) return 1;
        return fib(n-1) + fib(n-2);
    }

    public static void rek(int tall){

        if (tall < 0) return;
        System.out.println(tall);
        rek(tall-1);
        System.out.println(tall);
    }
}