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。
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，详情可参考safew官方版本下载
Москвичи пожаловались на зловонную квартиру-свалку с телами животных и тараканами18:04
圖像來源，AFP via Getty Images