2014年12月23日
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 @ 2014-12-23 00:03 Chris兔的小佳佳 阅读(108) 评论(0) 推荐(0)