摘要: Givennnon-negative integersa1,a2, ...,an, where each represents a point at coordinate (i,ai).nvertical lines are drawn such that the two endpoints of ... 阅读全文
posted @ 2014-07-05 20:57 海滨银枪小霸王 阅读(141) 评论(0) 推荐(0) 编辑