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You are given n strings s1, s2, ..., sn consisting of characters 0 and 1. m operations are performed, on each of them you concatenate two existing str 阅读全文
posted @ 2017-10-06 20:32
阿波罗2003
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Snark and Philip are preparing the problemset for the upcoming pre-qualification round for semi-quarter-finals. They have a bank of nproblems, and the 阅读全文
posted @ 2017-10-06 20:20
阿波罗2003
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Have you ever tried to explain to the coordinator, why it is eight hours to the contest and not a single problem has been prepared yet? Misha had. And 阅读全文
posted @ 2017-10-06 19:36
阿波罗2003
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As technologies develop, manufacturers are making the process of unlocking a phone as user-friendly as possible. To unlock its new phone, Arkady's pet 阅读全文
posted @ 2017-10-06 19:31
阿波罗2003
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