思路：单调递减栈，找「上一个比当前价格大的元素索引」。正序遍历，弹出所有 ≤ 当前价格的索引；跨度 = 当前索引 - 栈顶索引（栈空则为 当前索引 + 1）。
Go to worldnews，这一点在WPS官方版本下载中也有详细论述
南方周末：这些演出安排是出于肖赛冠军头衔的义务吗？，这一点在safew官方下载中也有详细论述
The decision could immediately impact numerous major tech companies that use Claude in their line of work for the Pentagon, including Palantir and AWS. It is not immediately clear to what extent the Pentagon may blacklist companies that contract with Claude for other services outside of national security, A …，更多细节参见im钱包官方下载
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