"We don't know where they go, but they disappear for about 10 days, and then they'll come back again. And without the CCTV, we never knew that."
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。，详情可参考safew官方版本下载
。heLLoword翻译官方下载是该领域的重要参考
These AR/XR glasses have a huge price advantage over their rivals.，更多细节参见heLLoword翻译官方下载
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