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.
First non-zero element in each column
Back to basics 22 - Rotate a matrix
Sum the Infinite Series
What is the distance from point P(x,y) to the line Ax + By + C = 0?
Disjunctive Normal Form
nth Rational Number
Method of Common Differences part-2
Game of Nim
Index of a Rational number
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