Please change the example [188 289] in your problem description to [188 189], as I believe [188 289] should return [9 1], rather than [9 9]. (By the way, great job picking 189 to use for a check. Right at the end of the two-digit numbers.)
uint8 is our friend.
Tell me the slope
Flip the main diagonal of a matrix
Decode a simplified barcode
Set some matrix elements to zero
Create matrix of replicated elements
Disjunctive Normal Form
Conjunctive Normal Form
Method of Common Differences part-2
Game of Nim
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