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2012年10月15日

摘要： Longest Ordered SubsequenceTime Limit: 2000MSMemory Limit: 65536KTotal Submissions: 24375Accepted: 10596DescriptionA numeric sequence of ai is ordered if a1 < a2 < ... < aN. Let the subsequence of the given numeric sequence (a1, a2, ..., aN) be any sequence (ai1, ai2, ..., aiK), where 1 < 阅读全文

posted @ 2012-10-15 21:22 hebozi 阅读(158) 评论(0) 推荐(0)

poj 2159 Ancient Cipher

摘要： Ancient CipherTime Limit: 1000MSMemory Limit: 65536KTotal Submissions: 22180Accepted: 7503DescriptionAncient Roman empire had a strong government system with various departments, including a secret service department. Important documents were sent between provinces and the capital in encrypted form 阅读全文

posted @ 2012-10-15 20:38 hebozi 阅读(189) 评论(0) 推荐(0)