* 核心思路：链表转数组 + 单调栈（从后往前遍历），时间复杂度O(n)，空间复杂度O(n)
A young woman who is battling against social media giants took the stand Thursday to testify about her experience using the platforms as she was growing up, saying she was on social media “all day long” as a child.
。夫子是该领域的重要参考
Петербург приблизился к новому метеорекордуСиноптик Леус: Петербург пережил один из самых длинных безоттепельных периодов
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