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10^10是大于2^31的。这是组非法数据

Posted by bruteforce at 2006-04-23 21:39:16 on Problem 2249
In Reply To:C(10000000000,999999999)=C(10000000000,1)=10000000000 Posted by:Sempr at 2006-04-23 20:51:37 



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