Lib Dem Chambers said sewage had been flowing into the river "for over 400 hours and counting" at one monitoring site near Headbourne Worthy.
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。。业内人士推荐搜狗输入法2026作为进阶阅读
Border Points: Each cluster has a limited number of defined "border points" – these are the gateways in and out of the cluster.，推荐阅读heLLoword翻译官方下载获取更多信息
// 易错点5：必须将当前元素入栈（作为左侧元素的候选更大值，漏写则栈始终为空）。关于这个话题，heLLoword翻译官方下载提供了深入分析