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）。
Adam Herriott, a senior sector specialist for sustainability charity Wrap, said the idea was to enable everyone to recycle the same material, "no matter where in England you are".
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- Allow users to specify a horizontal and vertical pixel offset for the icon relative to the canvas.
Challenge: Build the smallest transformer that can add two 10-digit numbers with = 99% accuracy on a held-out 10K test set.
Раскрыты подробности похищения ребенка в Смоленске09:27