摘要: The NASA Space Center, Houston, is less than 200 miles from San Antonio, Texas (the site of the ACM Finals this year). This is the place where the ast... 阅读全文
posted @ 2014-05-12 23:47 hyx1 阅读(283) 评论(0) 推荐(0) 编辑
摘要: Problem D: Headmaster's HeadacheTime limit: 2 secondsThe headmaster of Spring Field School is considering employing some new teachers for certain subj... 阅读全文
posted @ 2014-05-12 21:31 hyx1 阅读(242) 评论(1) 推荐(0) 编辑
摘要: Bob enjoys playing computer games, especially strategic games, but sometimes he cannot find the solution fast enough and then he is very sad. Now he h... 阅读全文
posted @ 2014-05-12 19:19 hyx1 阅读(189) 评论(0) 推荐(0) 编辑
摘要: Integers1, 2, 3,...,nare placed on a circle in the increasing order as in the following figure. We want to construct a sequence from these numbers on ... 阅读全文
posted @ 2014-05-12 17:52 hyx1 阅读(307) 评论(0) 推荐(0) 编辑