Initial solution setup is missing the parameters n and m.

Fixed.

Approved myself.

Do you have any suggestions for rewordings?

Fixed.

Fixed.

Actual and expected were swapped, random tests were missing. All fixed.
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It took me quite some time to understand how to do if correctly in BF. Then I did Test Driven Bogo Coding until I arrived here.

Approved.

Please don't post solutions in discourse and mark code as spoiler.

Approved.

Duplicate: https://www.codewars.com/kata/5df7a5ddc6ba51002822cf00

Because ID is not mentioned as being present. But I get that this is confusing. I will change the wording.

Edit: I just dropped the column because it was unused.

Please don't do that, we are not in 1970's C code. Variables should be declared as local as possible. You are not saving up anything and the compiler will optimize it for you anyways.

Rejected because of missing random tests and assertions via string comparison.

If you want to fix this you can fork this translation.