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看了一天卡特兰数...我要自闭了QAQ (如果不写一篇明天就会全部忘记QuQ (要不感觉对不起看了一天别人的题解qwqqqq Codeforces 15E. Triangles Last summer Peter was at his granny's in the country, when a 阅读全文
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qwqq今天是平安夜呢 然而23道贪心我才做了一半多一点。。。 702:Crossing River 描述A group of N people wishes to go across a river with only one boat, which can at most carry two p 阅读全文
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贪心...我都好奇自己当时没事干怎么就学了贪心... 当然尽管这样23道题我也没写完... 正如gg所说:我们要不厌其烦地写题解。(当然不存在的 1455:An Easy Problem As we known, data stored in the computers is in binary f 阅读全文