"I remember waking up in the morning and seeing his little face, with his little dummy in, and it felt like I needed to wake up from a dream.
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）。
。关于这个话题，搜狗输入法2026提供了深入分析
Что думаешь? Оцени!
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