Step through the construction below. Each time a new point is inserted, watch the tree decide whether it needs to split a region:
* @param {ListNode} head 链表的头节点
，更多细节参见夫子
«Этот заказ отражает уверенность армии в дальнейшем развитии семейства Switchblade и их актуальности на современных полях сражений», — заявил вице-президент AeroVironment Брайан Янг.
第六十七条 从事旅馆业经营活动不按规定登记住宿人员姓名、有效身份证件种类和号码等信息的，或者为身份不明、拒绝登记身份信息的人提供住宿服务的，对其直接负责的主管人员和其他直接责任人员处五百元以上一千元以下罚款；情节较轻的，处警告或者五百元以下罚款。
For 2026, she's especially concerned about trendy superfoods and supplement-like foods. False claims on these foods can be especially hard to combat because they become crazes so quickly on social media.