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题意：Description某部队进行新兵队列训练，将新兵从一开始按顺序依次编号，并排成一行横队，训练的规则如下：从头开始一至二报数，凡报到二的出列，剩下的向小序号方向靠拢，再从头开始进行一至三报数，凡报到三的出列，剩下的向小序号方向靠拢，继续从头开始进行一至二报数。。。，以后从头开始轮流进行一至二... 阅读全文
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题意：Two bored soldiers are playing card war. Their card deck consists of exactlyncards, numbered from1ton,all values are different. They divide cards b... 阅读全文
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题意： You are given a string consisting of parentheses()and[]. A string of this type is said to becorrect:(a)if it is the empty string(b)if A and B are ... 阅读全文
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题意： You are to find all the two-word compound words in a dictionary. A two-word compound word is aword in the dictionary that is the concatenation of ... 阅读全文
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题意： Given is an ordered deck of n cards numbered 1to n with card 1 at the top and card n at thebottom.The following operation is performed aslong as t... 阅读全文
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题意： 对于一个n元组（a1,a2,……an），可以对于每个数求出它和下一个数的差的绝对值，得到一个新的n元组（|a1-a2|,|a2-a3|,……|an-a1|）。重复这个过程，得到的序列称为Ducci序列，例如：（8,11,2,7）—>(3,9,5,1)-->(6,4,4,2)-->(2,0,2... 阅读全文