My simple Java solution


  • 0
    public ListNode deleteDuplicates(ListNode head) {
            ListNode dummy = new ListNode(0);
            dummy.next = head;
            while (head != null && head.next != null) {
                if (head.val == head.next.val)
                    head.next = head.next.next;
                else
                    head = head.next;
            }
            return dummy.next;
    }
    

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