[APS] Delete Middle N Times

//nekogas vo 2018
//se brisi sredniot element. Ako listata ima paren broj na elementi se brisi pomaliot vo sredina, a ako se ednakvi leviot!
import java.util.NoSuchElementException;
import java.util.Scanner;
class SLL<E> {
    private SLLNode<E> first;

    public SLL() {
        // Construct an empty SLL
        this.first = null;
    }

    public void deleteList() {
        first = null;
    }

    public int length() {
        int ret;
        if (first != null) {
            SLLNode<E> tmp = first;
            ret = 1;
            while (tmp.succ != null) {
                tmp = tmp.succ;
                ret++;
            }
            return ret;
        } else
            return 0;

    }

    @Override
    public String toString() {
        String ret = new String();
        if (first != null) {
            SLLNode<E> tmp = first;
            ret += tmp + " ";
            while (tmp.succ != null) {
                tmp = tmp.succ;
                ret += tmp + " ";
            }
        } else
            ret = "Prazna lista!!!";
        return ret;
    }

    public void insertFirst(E o) {
        SLLNode<E> ins = new SLLNode<E>(o, first);
        first = ins;
    }

    public void insertAfter(E o, SLLNode<E> node) {
        if (node != null) {
            SLLNode<E> ins = new SLLNode<E>(o, node.succ);
            node.succ = ins;
        } else {
            System.out.println("Dadenot jazol e null");
        }
    }

    public void insertBefore(E o, SLLNode<E> before) {

        if (first != null) {
            SLLNode<E> tmp = first;
            if(first==before){
                this.insertFirst(o);
                return;
            }
            //ako first!=before
            while (tmp.succ != before)
                tmp = tmp.succ;
            if (tmp.succ == before) {
                SLLNode<E> ins = new SLLNode<E>(o, before);
                tmp.succ = ins;
            } else {
                System.out.println("Elementot ne postoi vo listata");
            }
        } else {
            System.out.println("Listata e prazna");
        }
    }

    public void insertLast(E o) {
        if (first != null) {
            SLLNode<E> tmp = first;
            while (tmp.succ != null)
                tmp = tmp.succ;
            SLLNode<E> ins = new SLLNode<E>(o, null);
            tmp.succ = ins;
        } else {
            insertFirst(o);
        }
    }

    public E deleteFirst() {
        if (first != null) {
            SLLNode<E> tmp = first;
            first = first.succ;
            return tmp.element;
        } else {
            System.out.println("Listata e prazna");
            return null;
        }
    }

    public E delete(SLLNode<E> node) {
        if (first != null) {
            SLLNode<E> tmp = first;
            if(first ==node){
                return this.deleteFirst();
            }
            while (tmp.succ != node && tmp.succ.succ != null)
                tmp = tmp.succ;
            if (tmp.succ == node) {
                tmp.succ = tmp.succ.succ;
                return node.element;
            } else {
                System.out.println("Elementot ne postoi vo listata");
                return null;
            }
        } else {
            System.out.println("Listata e prazna");
            return null;
        }

    }

    public SLLNode<E> getFirst() {
        return first;
    }

    public SLLNode<E> find(E o) {
        if (first != null) {
            SLLNode<E> tmp = first;
            while (tmp.element != o && tmp.succ != null)
                tmp = tmp.succ;
            if (tmp.element == o) {
                return tmp;
            } else {
                System.out.println("Elementot ne postoi vo listata");
            }
        } else {
            System.out.println("Listata e prazna");
        }
        return first;
    }

}

class SLLNode<E> {
    protected E element;
    protected SLLNode<E> succ;

    public SLLNode(E elem, SLLNode<E> succ) {
        this.element = elem;
        this.succ = succ;
    }

    @Override
    public String toString() {
        return element.toString();
    }
}
public class DeleteMiddle {
    public static void delete_middle(SLL<Integer> lista, int counter){
        SLLNode<Integer> temp= lista.getFirst();
        int sredina=0;
        while(counter>0){
            temp= lista.getFirst();
            sredina=0;
            while(true){
                if(sredina==(lista.length()-1)/2){
                    if(lista.length()%2==1){
                        lista.delete(temp);
                        break;
                    }
                    else{
                        if(temp.element<=temp.succ.element){
                            lista.delete(temp);
                            break;
                        }
                        else{
                            temp=temp.succ;
                            lista.delete(temp);
                            break;
                        }
                    }
                }
                sredina++;
                temp=temp.succ;
            }
            counter--;
        }
    }
    public static void main(String[] args) {
        Scanner input= new Scanner(System.in);
        int n= Integer.parseInt(input.nextLine());
        SLL<Integer> list= new SLL<Integer>();
        String[] broevi= input.nextLine().split("\\s+");
        for(int i=0;i<n;i++){
            list.insertLast(Integer.parseInt(broevi[i]));
        }
        int counter= Integer.parseInt(input.nextLine());
        delete_middle(list,counter);
        System.out.println(list);
    }
}
/*
Vlez:
9
3 3 3 12 2 3 3 5 11
3
Izlez:
3 3 3 3 5 11
Vlez:
8
4 5 20 49 49 2 3 6
5
Izlez:
4 5 6
*/