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there are N ACMers in HDU team.ZJPCPC Sunny Cup 2007 is coming, and lcy want to select some excellent ACMers to attend the contest. There have been M 阅读全文
posted @ 2019-10-07 20:03
pengge666
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呃......变形课上Harry碰到了一点小麻烦,因为他并不像Hermione那样能够记住所有的咒语而随意的将一个棒球变成刺猬什么的,但是他发现了变形咒语的一个统一规律:如果咒语是以a开头b结尾的一个单词,那么它的作用就恰好是使A物体变成B物体.Harry已经将他所会的所有咒语都列成了一个表,他想让 阅读全文
posted @ 2019-10-07 19:42
pengge666
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https://codeforces.com/contest/1241/problem/C You are an environmental activist at heart but the reality is harsh and you are just a cashier in a cine 阅读全文
posted @ 2019-10-07 14:19
pengge666
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