2014年4月20日

POJ -- 2955

摘要: BracketsDescriptionWe give the following inductive definition of a “regular brackets” sequence:the empty sequence is a regular brackets sequence,ifsis... 阅读全文

posted @ 2014-04-20 17:24 ~Love() 阅读(179) 评论(0) 推荐(0)

HDU -- 1247 Hat’s Words

摘要: Hat’s WordsTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 6912Accepted Submission(s): 2543Problem... 阅读全文

posted @ 2014-04-20 17:15 ~Love() 阅读(180) 评论(0) 推荐(0)

HDU --1251

摘要: 统计难题Time Limit: 4000/2000 MS (Java/Others)Memory Limit: 131070/65535 K (Java/Others)Total Submission(s): 15031Accepted Submission(s): 6436Problem Desc... 阅读全文

posted @ 2014-04-20 16:10 ~Love() 阅读(143) 评论(0) 推荐(0)

POJ -- 2436

摘要: Disease ManagementDescriptionAlas! A set of D (1 16位,足够表示)的每个二进制位表示病毒的存在与否,1为存在,0不存在,这样复杂度为2^16*n(通过剪枝实际达不到这么大),可以接受。因此有两种方法解本题,(1),dfs,枚举D的k-组合。(2),... 阅读全文

posted @ 2014-04-20 12:37 ~Love() 阅读(186) 评论(0) 推荐(0)

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