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加数据以后，这个题就wa了，没办法只好把各种招数全用上了，呵呵In Reply To:从2开始就不行，从sqrt(N)开始就7~8秒的样子，早知道我就再加一两个质数到数据里，不过算了，老想着要整死人家干嘛？ Posted by:frkstyc at 2005-04-15 09:16:21 Followed by:
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