暴力做法是对每个位置向右扫描找第一个更大值，O(n²)。可抽象为：元素像一排人，身高为数值。当前人「下一个更大」= 他右侧第一个没被挡住的人（比当前矮的都被挡住）。单调栈用 O(n) 维护「右侧候选更大值」：倒序遍历，弹掉 ≤ 当前的，栈顶即答案，再入栈当前值。
Guardian Australia can also reveal that concerns about the vehicles being used by Management and Training Corporation (MTC) had prompted an intervention by the department of home affairs and warnings from almost 500 detention centre staff.
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12:52, 27 февраля 2026Путешествия
The “PCM Boundary”: a Wannabe-DRM Graveyard