poj 2082 Terrible Sets(dp) | acmj1991



题意：就是紧贴 x 轴有一批互相紧挨着的矩形，给定每个矩形的长宽，问它们可以形成的最大矩形是多少
思路：简单的dp，R[i]数组记录第i个矩形往右连续有多少个矩形高度小于等于它，L[i]一样

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