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.
Return unique values without sorting
Determine Whether an array is empty
Number of Horns on a unicorn!
Write c^3 as sum of two squares a^2+b^2
Disjunctive Normal Form
Index of a Rational number
Method of Common Differences part-2
Game of Nim
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