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Re:连题目都没看懂,怎么都没看出SAMPLE是怎么得出来的

Posted by wdssean at 2021-05-02 13:27:04 on Problem 2185
In Reply To:连题目都没看懂,怎么都没看出SAMPLE是怎么得出来的 Posted by:knuthocean at 2005-08-31 18:18:01
> 不会
ABABA
ABABA
是AB扩张之后包含了这个矩阵
AB先扩张成
ABABAB
ABABAB
这里面包含了
ABABA
ABABA
所以是2

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