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Problem DescriptionIn college, a student may take several courses. for each course i, he earns a certain credit (ci), and a mark ranging from A to F, ... 阅读全文
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Problem Descriptionlcy gives a hard puzzle to feng5166,lwg,JGShining and Ignatius: gave a and b,how to know the a^b.everybody objects to this BT probl... 阅读全文
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Problem DescriptionA 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 t... 阅读全文