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因为循环是二阶的？

Posted by Gamme at 2006-01-24 19:53:43 on Problem 2748
In Reply To:the proof is trivial... Posted by:frkstyc at 2006-01-24 17:50:12

> 
> first evaluate function to the 750001st term. now you see that f(0)=f
> (750000) and f(1)=f(750001). since the recurrence is of the second order, 
> 750000 is now proven to be a period.

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二阶的递推 (0) frkstyc 2006-01-24 20:13:51

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