POJ 2559-Largest Rectangle in a Histogram 解題報告 【笛卡爾樹與單調棧】

POJ 2559-Largest Rectangle in a Histogram 解題報告 【笛卡爾樹與單調棧】 Description   A histogram is a polygon composed of a sequence of rectangles aligned at a common base line. The rectangles have equal widths bu

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