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都怪自己太懒了 这段时间比赛参加了大部分,但是一直都没写题解,趁这几天没事,计划把这段时间的题解都补上。上一次比赛(248)终于升到了div1,所以从这次开始就开始写div1了。A. TriangleThere is a right triangle with legs of lengthaandb... 阅读全文
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Problem A.Magic TrickNote:To advance to the next rounds, you will need to score 25 points. Solving just this problem will not give you enough points.P... 阅读全文
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今天开始记录每次Codeforces Round的比赛 第二次CF round,第一次是237,只做出了一道题,就不提了,说多了都是泪(┬_┬)A. Gravity FlipLittle Chris is bored during his physics lessons (too easy), s... 阅读全文