* 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)
△中科第五纪轮式双臂机器人，图片：采访人提供
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I’m deeply saddened by the IOC banning the skeleton athlete Vladyslav Heraskevych from the Winter Olympics. His helmet depicting images of athletes and children who died in Russia’s invasion of Ukraine, some who he knew personally, was a human display of remembrance. The IOC’s response was not an appropriate one.
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"tengu_brass_pebble": false,。关于这个话题，夫子提供了深入分析