随笔分类 -  SDUT14级队员训练1

I - All in All
摘要：You have devised a new encryption technique which encodes a message by inserting between its characters randomly generated strings in a clever way. Be... 阅读全文
posted @ 2014-12-19 22:36 高数 阅读(357) 评论(0) 推荐(0)
E - Puzzle( UVA-227)
摘要：PuzzleA 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 th... 阅读全文
posted @ 2014-12-19 00:52 高数 阅读(384) 评论(0) 推荐(0)
D - Periodic Strings(UVA-455)
摘要：A character string is said to have period k if it can be formed by concatenating one or more repetitions of another string of length k. For example, t... 阅读全文
posted @ 2014-12-17 01:32 高数 阅读(1358) 评论(0) 推荐(0)