[HDU1255]覆盖的面积

Description: 给定平面上若干矩形,求出被这些矩形覆盖过至少两次的区域的面积. Hint: $n\le 1000$ Solution: 扫描线push_up时多讨论几种情况而已 cpp include include include include include include incl
posted @ 2019-03-28 15:46  cloud_9  阅读(116)  评论(0)  编辑  收藏  举报