剑指 Offer 18. 删除链表的节点

class Solution {
    public ListNode deleteNode(ListNode head, int val) {
        ListNode dummyHead = new ListNode(-1, head);
        ListNode node = dummyHead;
        while (node.next != null) {
            ListNode next = node.next;
            if (next.val == val) {
                node.next = next.next;
            }

            node = next;
        }

        return dummyHead.next;
    }
}

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