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还可以有一个推论，但我不会证明In Reply To:Re:用一个不大正确的算法糊弄过去了……谁能给个正确算法的提示？ Posted by:Loger at 2005-12-05 22:55:24 如果f(b,i,n) = f(b,i-1,n),那么对于所有的j>=i都有f(b,j,n) = f(b,i-1,n) 从结果上看出来的;) 用这个可以再快一些 Followed by: Post your reply here: |
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