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在贡献了一次 WA 之后，小看了一下，原来是递推

Posted by bupt_chen at 2008-06-30 17:09:07 on Problem 2033

count[n+1]=count[n]+count[n-1] (1<=count[n]<=26)
count[n+1]=count[n-1] (count[n]==0)
count[n+1]=count[n] (count[n]>26)

突然想起离散老师上课讲的东西了，很有用的，好好学习离散阿

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