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uoi;

Posted by xuning at 2007-06-15 19:02:14 on Problem 2470
In Reply To:Re:这道题目是什么意思。。。。谁能帮忙解释一下题意 Posted by:e_e_e at 2006-09-05 17:32:57 
> 不知道你做出来没有。就是说，新的排列中第i个数是旧的排列中数i（在旧的排列中）的位置。比如，新排列中5(第1个数）是旧排列中数1的位置（第5个）。
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