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Re:时间不够,大虾救助!!

Posted by poochie at 2005-04-22 00:11:01 on Problem 1423
In Reply To:时间不够,大虾救助!! Posted by:cpp050700448084 at 2005-04-03 19:27:19
其实下面的那个公式是有问题的,真正的公式应该是
n!=(2*pi*n)^1/2 *(n/e)^n *e^(a/12*n);
其中a是0到1之间的某个数,这样向上取整就好了

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