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Re:本题的测试数据很弱,不要再想素数测试了,使用欧拉函数就够了。注意当n是=1是输出0。

Posted by dhl23 at 2008-10-27 22:55:23 on Problem 2407
In Reply To:本题的测试数据很弱,不要再想素数测试了,使用欧拉函数就够了。注意当n是=1是输出0。 Posted by:keeng2008 at 2007-10-23 19:08:48
好像是输出1吧

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