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Re:谁证明一下

Posted by abcttcxl at 2008-05-31 22:47:52 on Problem 1597
In Reply To:谁证明一下 Posted by:fly_away at 2006-08-25 12:06:21
> 凭直觉,step 和 mod 互质就是good choice,否则为bad choice.提交一下就成功了,可是谁证明一下为什么这样啊?

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