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# Need Equation to flip 5x5 Matrix

On a wing and a prayer here ... does anyone know of a way to flip the values below?

An equation where 2 becomes 14, 3 becomes 13, 4 becomes 12, etc?

So, want to switch row 0 with row 4, and row 1 with row 3?

If so, that's super-easy. Just a single loop and swap A[i][0] with A[i][4].

hmm cool, I was hoping for something more elegant but that should work. Though I think I am going to just make a huge Switch/Case instead of 4 arrays. Thanks tho!

If you can handle the programming, a 2-dimensional array is much better. In C# something like `int[,] = new int[5,5];`

. Do you just have 25 variables, now?

With large ifs/switches it's so easy to have one tiny mistake -- position 2,4 swaps with 2,2 instead of 2,1 -- which doesn't show up in testing. Loops over arrays either break big-time, or work perfectly. Plus much easier to go to a 6x6 board.

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