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Re:第六题

Posted by hft777 at 2008-09-20 16:15:45
In Reply To:Re:第六题 Posted by:sybil_0603 at 2008-09-20 16:10:53
> 这个题有什么好的算法?我的线段树有情况不能处理,WA惨了...
归并求逆序 n*log(n)

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