摘要：
题目链接 ：http://acm.hdu.edu.cn/showproblem.php?pid=1506 Problem Description A histogram is a polygon composed of a sequence of rectangles aligned at a co 阅读全文
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摘要：
题目链接 ：http://acm.hdu.edu.cn/showproblem.php?pid=1506 Problem Description A histogram is a polygon composed of a sequence of rectangles aligned at a co 阅读全文
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