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Re:对这个题目无语了……In Reply To:对这个题目无语了…… Posted by:trueshlqsh at 2008-06-24 20:59:56 循环做比递归做要好。
根据抽屉原理（鸽巢原理）：k个连续的数相乘一定可以整除1到k的每一个数
n*n-1*n-2*...
Cnm = -------------
1* 2 * 3 *...
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