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ACM Changchun 2015 J. Chip Factory
摘要：John is a manager of a CPU chip factory, the factory produces lots of chips everyday. To manage large amounts of products, every processor has a seria 阅读全文

posted @ 2018-09-11 15:36 cltt 阅读(165) 评论(0) 推荐(0) 编辑

The North American Invitational Programming Contest 2018 E. Prefix Free Code
摘要：Consider nn initial strings of lower case letters, where no initial string is a prefix of any other initial string. Now, consider choosing kk of the s 阅读全文

posted @ 2018-08-15 20:37 cltt 阅读(151) 评论(0) 推荐(0) 编辑

huu 1251
摘要： 阅读全文

posted @ 2018-07-19 17:14 cltt 阅读(322) 评论(0) 推荐(0) 编辑

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