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标签： 状态压缩DP 题目描述 Haiku is a short form of Japanese poetry. A Haiku consists of three phrases with 5, 7 and 5 syllables, in this order. Iroha is looking 阅读全文
posted @ 2018-05-19 00:52
sciorz
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标签 ： 动态规划 题目描述 Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has 3 keys on it: the 0 key, the 1 key and the bac 阅读全文
posted @ 2018-05-19 00:33
sciorz
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标签： 可持久化线段树 题目描述 The h index of an author is the largest h where he has at least h papers with citations not less than h . Bobo has published n papers 阅读全文
posted @ 2018-05-19 00:20
sciorz
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