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Ohana Cleans UpDescriptionOhana Matsumae is trying to clean a room, which is divided up into annbyngrid of squares. Each square is initially either cl... 阅读全文
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Missing number题目：DescriptionThere is a permutation without two numbers in it, and now you know what numbers the permutation has. Please find the two n... 阅读全文
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Number SequenceA number sequence is defined as follows:f(1) = 1, f(2) = 1, f(n) = (A * f(n - 1) + B * f(n - 2)) mod 7.Given A, B, and n, you are to ca... 阅读全文
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Big Chocolate题目链接：http://acm.hust.edu.cn/vjudge/problem/visitOriginUrl.action?id=19127Big ChocolateMohammad has recently visitedSwitzerland. As he lov... 阅读全文