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同样是1150 AC,到这道就wrong了...

Posted by shiroi at 2007-11-22 14:15:37 on Problem 3406
In Reply To:1150 AC 到这道就wrong了.. Posted by:Knight_Owen at 2007-10-27 12:45:01
C(n,m)里面如果5的次数比2要多的话,是不是答案肯定是5呢??

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