Simple C# solution


  • 0
    S
    public class Solution {
        public ListNode RemoveElements(ListNode head, int val) 
        {
            if(head == null)
                return head;
            var dummy = new ListNode(0);
            dummy.next = head;
            var pre = dummy;
            while(pre != null)
            {
                while(pre.next != null && pre.next.val == val)
                {
                    pre.next = pre.next.next;
                }
                pre = pre.next;
            }
            return dummy.next;
        }
    }
    

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