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。
/opt → /var/opt
Americans are destroying Flock surveillance cameras。关于这个话题，搜狗输入法2026提供了深入分析
To dig deeper into these stories, archaeologists are now entering the second phase of works, including further condition, cleaning and conservation checks.
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Цены на нефть взлетели до максимума за полгода17:55。关于这个话题，safew官方版本下载提供了深入分析
developed machine-readable format called "MICR" for magnetic ink character