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【题目概述】 On an infinite smooth table, there's a big round fixed cylinder and a little ball whose volume can be ignored. Currently the ball stands still 阅读全文
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A frog has just learned some number theory, and can't wait to show his ability to his girlfriend. Now the frog is sitting on a grid map of infinite ro 阅读全文
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题目描述: Given two positive integers a and b,find suitable X and Y to meet the conditions: X+Y=a Least Common Multiple (X, Y) =b Input Input includes mul 阅读全文
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题目描述: Two people face two piles of stones and make a game. They take turns to take stones. As game rules, there are two different methods of taking st 阅读全文