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- //podeli gi taka sto ke ja izminuvas originalnata lista element od napred pa od nazad do sredina.
- import java.util.Scanner;
- class DLLNode<E> {
- protected E element;
- protected DLLNode<E> pred, succ;
- public DLLNode(E elem, DLLNode<E> pred, DLLNode<E> succ) {
- this.element = elem;
- this.pred = pred;
- this.succ = succ;
- }
- @Override
- public String toString() {
- return element.toString();
- }
- }
- class DLL<E> {
- private DLLNode<E> first, last;
- public DLL() {
- // Construct an empty SLL
- this.first = null;
- this.last = null;
- }
- public void deleteList() {
- first = null;
- last = null;
- }
- public int length() {
- int ret;
- if (first != null) {
- DLLNode<E> tmp = first;
- ret = 1;
- while (tmp.succ != null) {
- tmp = tmp.succ;
- ret++;
- }
- return ret;
- } else
- return 0;
- }
- public DLLNode<E> find(E o) {
- if (first != null) {
- DLLNode<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;
- }
- public void insertFirst(E o) {
- DLLNode<E> ins = new DLLNode<E>(o, null, first);
- if (first == null)
- last = ins;
- else
- first.pred = ins;
- first = ins;
- }
- public void insertLast(E o) {
- if (first == null)
- insertFirst(o);
- else {
- DLLNode<E> ins = new DLLNode<E>(o, last, null);
- last.succ = ins;
- last = ins;
- }
- }
- public void insertAfter(E o, DLLNode<E> after) {
- if(after==last){
- insertLast(o);
- return;
- }
- DLLNode<E> ins = new DLLNode<E>(o, after, after.succ);
- after.succ.pred = ins;
- after.succ = ins;
- }
- public void insertBefore(E o, DLLNode<E> before) {
- if(before == first){
- insertFirst(o);
- return;
- }
- DLLNode<E> ins = new DLLNode<E>(o, before.pred, before);
- before.pred.succ = ins;
- before.pred = ins;
- }
- public E deleteFirst() {
- if (first != null) {
- DLLNode<E> tmp = first;
- first = first.succ;
- if (first != null) first.pred = null;
- if (first == null)
- last = null;
- return tmp.element;
- } else
- return null;
- }
- public E deleteLast() {
- if (first != null) {
- if (first.succ == null)
- return deleteFirst();
- else {
- DLLNode<E> tmp = last;
- last = last.pred;
- last.succ = null;
- return tmp.element;
- }
- }
- // else throw Exception
- return null;
- }
- public E delete(DLLNode<E> node) {
- if(node==first){
- deleteFirst();
- return node.element;
- }
- if(node==last){
- deleteLast();
- return node.element;
- }
- node.pred.succ = node.succ;
- node.succ.pred = node.pred;
- return node.element;
- }
- @Override
- public String toString() {
- String ret = new String();
- if (first != null) {
- DLLNode<E> tmp = first;
- ret += tmp + "<->";
- while (tmp.succ != null) {
- tmp = tmp.succ;
- if(tmp.succ==null){
- ret+=tmp;
- break;
- }
- ret += tmp + "<->";
- }
- } else
- ret = "Prazna lista!!!";
- return ret;
- }
- public String toStringR() {
- String ret = new String();
- if (last != null) {
- DLLNode<E> tmp = last;
- ret += tmp + "<->";
- while (tmp.pred != null) {
- tmp = tmp.pred;
- ret += tmp + "<->";
- }
- } else
- ret = "Prazna lista!!!";
- return ret;
- }
- public DLLNode<E> getFirst() {
- return first;
- }
- public DLLNode<E> getLast() {
- return last;
- }
- public void izvadiDupliIPrebroj(){
- }
- }
- public class SplitLetters {
- public static void sum_and_append(DLL<Character> list,DLL<Character> list_sam, DLL<Character> list_sog) {
- DLLNode<Character> front = list.getFirst();
- DLLNode<Character> rear = list.getLast();
- while (true) {
- if (front.element == 'a' || front.element == 'u' || front.element == 'e' || front.element == 'o' || front.element == 'i') {
- list_sam.insertLast(front.element);
- } else {
- list_sog.insertLast(front.element);
- }
- if(front==rear) break;
- front = front.succ;
- if (rear.element == 'a' || rear.element == 'u' || rear.element == 'e' || rear.element == 'o' || rear.element == 'i') {
- list_sam.insertLast(rear.element);
- } else {
- list_sog.insertLast(rear.element);
- }
- rear = rear.pred;
- if(rear.succ==front) break;
- }
- }
- public static void main(String[] args) {
- Scanner input= new Scanner(System.in);
- int n= Integer.parseInt(input.nextLine());
- String bukvi= input.nextLine();
- DLL<Character> lista= new DLL<>();
- DLL<Character> lista_sam= new DLL<>();
- DLL<Character> lista_sog= new DLL<>();
- for(int i=0;i<2*n;i+=2){
- lista.insertLast((bukvi.charAt(i)));
- }
- sum_and_append(lista,lista_sam,lista_sog);
- System.out.println(lista_sam);
- System.out.println(lista_sog);
- }
- }
- /*
- 10
- a b c d e f g h i j
- a<->i<->e
- j<->b<->c<->h<->d<->g<->f
- 11
- s u d i j a p e d e r
- u<->e<->i<->e<->a
- s<->r<->d<->d<->j<->p
- */
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