Finding adjacent cells

Revision en2, by Qualified, 2020-05-17 02:05:39

Many problems require the use of finding the adjacent cells of a cell regarding boundaries. Is their an easy way to do this?

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en2 English Qualified 2020-05-17 02:05:39 143
en1 English Qualified 2020-05-17 02:05:17 289 Initial revision (published)