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很多人被误导了

Posted by tzkq at 2010-03-03 18:00:39 on Problem 1306
谁说一定要用组合数的计算式来计算? 如果使用java的BigInteger还好.

直接用C(0,0)=1,C(n,m)=C(n-1,m)+C(n-1,m-1)的递推式呀.



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