Remove Linked List Elements
Source
- leetcode: Remove Linked List Elements
Remove all elements from a linked list of integers that have value val.
Example
Given: 1 --> 2 --> 6 --> 3 --> 4 --> 5 --> 6, val = 6
Return: 1 --> 2 --> 3 --> 4 --> 5
Java
/**
* Definition for singly-linked list.
* public class ListNode {
* int val;
* ListNode next;
* ListNode(int x) { val = x; }
* }
*/
public class Solution {
public ListNode removeElements(ListNode head, int val) {
ListNode dummy = new ListNode(0);
ListNode cur = dummy;
dummy.next=head;
while(cur.next!=null){
if(cur.next.val==val){
cur.next=cur.next.next;
}
else{
cur=cur.next;
}
}
return dummy.next;
}
}