/**
* Definition for singly-linked list.
* public class ListNode {
* int val;
* ListNode next;
* ListNode(int x) {
* val = x;
* next = null;
* }
* }
*/
public class Solution {
public ListNode partition(ListNode head, int x) {
ListNode l11 = new ListNode(0);
ListNode l22 = new ListNode(0);
ListNode l1 = l11;
ListNode l2 = l22;
ListNode current = head;
while (current!=null) {
if (current.val<x) {
l1.next = new ListNode(current.val);
l1 = l1.next;
} else {
l2.next = new ListNode(current.val);
l2 = l2.next;
}
current = current.next;
}
l1.next = l22.next;
return l11.next;
}
}
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