2015年10月6日
Codeforces Round #259 (Div. 2) D. Little Pony and Harmony Chest 状压DP
摘要： D. Little Pony and Harmony ChestPrincess Twilight went to Celestia and Luna's old castle to research the chest from the Elements of Harmony.A sequence... 阅读全文
posted @ 2015-10-06 21:25 PlasticSpirit 阅读(347) 评论(0) 推荐(0) 编辑
Codeforces Round #263 (Div. 1) C. Appleman and a Sheet of Paper 树状数组暴力更新
摘要： C. Appleman and a Sheet of PaperAppleman has a very big sheet of paper. This sheet has a form of rectangle with dimensions1 × n. Your task is help App... 阅读全文
posted @ 2015-10-06 14:47 PlasticSpirit 阅读(199) 评论(0) 推荐(0) 编辑
Codeforces Round #260 (Div. 1) --B. A Lot of Games （Trie）
摘要： B. A Lot of GamesAndrew, Fedor and Alex are inventive guys. Now they invent the game with strings for two players.Given a group ofnnon-empty strings. ... 阅读全文
posted @ 2015-10-06 14:41 PlasticSpirit 阅读(244) 评论(0) 推荐(0) 编辑