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Re:这题的方程怎么写啊?10n^2的超时...:(

Posted by yjn at 2005-07-28 16:32:54 on Problem 2511
In Reply To:这题的方程怎么写啊?10n^2的超时...:( Posted by:Jet407 at 2005-07-27 22:00:24 
晕，10×n^2的算法要先构造判断矩阵才能勉强通过，而如果临时判断则超时。不知是否有更好的算法还是我的代码不够优化？
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