for (int i = 0; i < n1; i++) {
Equal: Every domino half in this space must be the same number of pips.
。搜狗输入法下载是该领域的重要参考
思路：链表转数组 + 单调栈（从后往前遍历）。与「下一个更大元素」模板一致，仅需将链表值先提取到数组。
Meta has argued that Kaley faced significant challenges before she ever used social media. The company’s lawyer, Paul Schmidt, said earlier this month that the core question in the case is whether the platforms were a substantial factor in Kayley’s mental health struggles.