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开始还想着先打表的..后来发现直接从2开始找较小的加数就可以了..

Posted by zzyzzy12 at 2010-08-04 01:19:45 on Problem 2262
300MS....找较小的加数..判断时质数后再判断n-x是不是质数~~是的话就是他两了~

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