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Description For any even number n greater than or equal to 4, there exists at least one pair of prime numbers p1 and p2 such that n = p1 + p2 This con 阅读全文
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Description Input Output Sample Input Sample Output 阅读全文
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Description Input Output Sample Input Sample Output 阅读全文
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Description Input Output Sample Input Sample Output 阅读全文
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Description Input Output Sample Input Sample Output 阅读全文
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Description Input Output Sample Input Sample Output 阅读全文
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Description Input Output Sample Input Sample Output Hint 阅读全文
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Description Input Output Sample Input Sample Output 阅读全文
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Description How far can you make a stack of cards overhang a table? If you have one card, you can create a maximum overhang of half a card length. (We 阅读全文
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刻苦的训练 我打算最后稍微提一下。主要说后者:什么是有效地训练? 我想说下我的理解。 很多ACMer入门的时候,都被告知:要多做题,做个500多道就变牛了。其实,这既不是充分条件、也不会是必要条件。 我觉得一般情况下,对于我们普通学校的大学生,各方面能力的差距 阅读全文