POJ 1177 Picture (线段树,求矩形并的轮廓面积)
摘要:
PictureTime Limit:2000MSMemory Limit:10000KTotal Submissions:8975Accepted:4741DescriptionA number of rectangular posters, photographs and other pictures of the same shape are pasted on a wall. Their sides are all vertical or horizontal. Each rectangle can be partially or totally covered by the other 阅读全文
posted @ 2013-04-10 23:45 kuangbin 阅读(2187) 评论(0) 推荐(0) 编辑