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理解成4-连通区域就可以了

Posted by frkstyc at 2006-06-25 14:41:18 on Problem 2843
In Reply To:Questions about the problem of G Posted by:cnhawk at 2006-06-25 14:39:21

> in the first paragragh:
> At first every cell is connected with 4 cells that are next to it. 
> what's the meaning of this sentence ?
> 
> if the cell is on the edge of the cake , it has only 3 cells that are next to it.

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