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我基本上也是把1811的程序直接搬过来的,不过去掉了素数表换成runtime sieving了,然后再把之前懒得做的优化又加了一些

Posted by frkstyc at 2005-05-14 18:31:16 on Problem 2429
In Reply To:我到是没见到这个,想法是从1811过来的。:).bullman果然渊博~~:) Posted by:achilles at 2005-05-14 18:24:29


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