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【网络流】One Way Roads 题目描述 In the country of Via, the cities are connected by roads that can be used in both directions. However, this has been the cause 阅读全文
posted @ 2018-10-06 23:58
house_cat
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【二进制枚举+LCS】Card Hand Sorting 题目描述 When dealt cards in the card game Plump it is a good idea to start by sorting the cards in hand by suit and rank. Th 阅读全文
posted @ 2018-10-06 23:48
house_cat
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Exponial 题目 http://exam.upc.edu.cn/problem.php?cid=1512&pid=4 欧拉降幂定理：当b phi(p)时，有a^b%p = a^(b%phi(p)+phi(p))%p 这题做的难受....看到题目我就猜到肯定用到欧拉降幂，然后就毫无目的地找规律。 阅读全文
posted @ 2018-10-06 23:41
house_cat
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