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摘要: Figure 1. DNA (Deoxyribonucleic Acid) is the molecule which contains the genetic instructions. It consists of four different nucleotides, namely A... 阅读全文
posted @ 2014-10-17 21:45 Popco 阅读(157) 评论(0) 推荐(0) 编辑
摘要: A children's puzzle that was popular 30 years ago consisted of a 5x5 frame which contained 24 small squares of equal size. A unique letter of the ... 阅读全文
posted @ 2014-10-17 21:33 Popco 阅读(188) 评论(0) 推荐(0) 编辑
摘要: There is an objective test result such as ``OOXXOXXOOO". An `O' means a correct answer of a problem and an `X' means a wrong answer. The score of ea... 阅读全文
posted @ 2014-10-16 21:37 Popco 阅读(269) 评论(0) 推荐(0) 编辑
摘要: 这个题,走了不少弯路,做了之上2个小时,究其原因,化学功底不深厚啊。。。。。CH3这样的我还以为是(CH)3,结果。。。。。。 后来略参考了网上的代码。。 An organic compound is any member of a large class of chemical com... 阅读全文
posted @ 2014-10-16 18:26 Popco 阅读(167) 评论(0) 推荐(0) 编辑
摘要: G's present Time Limit: 1 Sec Memory Limit: 128 MB Description In the ACM International Collegiate Programming Contest, each team consist of... 阅读全文
posted @ 2014-10-04 11:16 Popco 阅读(159) 评论(0) 推荐(0) 编辑
摘要: Average Number Time Limit: 1 Sec Memory Limit: 128 M Description Please calculate the average number of the given n numbers without doing calcul... 阅读全文
posted @ 2014-10-04 11:13 Popco 阅读(124) 评论(0) 推荐(0) 编辑
摘要: YES! YOU CAN! Time Limit: 1 Sec Memory Limit: 128 MB Description Two polar bears Menshykov and Uslada from the St.Petersburg zoo and elephant Ho... 阅读全文
posted @ 2014-10-04 10:55 Popco 阅读(166) 评论(0) 推荐(0) 编辑
摘要: 一抹绿植保协会是凤城高中的黄金社团,下面是部分活动展示 该视频由正锟创意工作室制作,该活动展示视频荣获凤城高中2012年社团活动展示 DV&PPT展示部分第一名!(2012年上半年) 2013年元旦活动展示的视频即将发布,敬请期待...... ... 阅读全文
posted @ 2013-01-03 10:58 Popco 阅读(116) 评论(0) 推荐(0) 编辑
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