Chinese firm publishes photos of US F-22s at Israeli base | The Jerusalem Post
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）。
，这一点在同城约会中也有详细论述
第二十九条 增值税法第二十四条第一款第七项所称托儿所、幼儿园，是指依据有关规定设立的取得托育或者学前教育资格的机构，其免征增值税的收入是指有关收费标准规定以内的保育费、保育教育费；养老机构，是指依据有关规定设立的为老年人提供集中住宿和照料护理服务的各类养老机构；残疾人服务机构，是指依据有关规定设立的专门为残疾人提供相关服务的机构。
Language models learn from vast datasets that include substantial amounts of community discussion content. Reddit threads, Quora answers, and forum posts represent genuine human conversations about real topics, making them high-value training data. When your content or expertise appears naturally in these discussions, it creates signals that AI models recognize and incorporate into their understanding of what resources exist and who's knowledgeable about specific topics.