what does regular expression do in this solution?
just for decrease solution size?
First non-zero element in each column
Return unique values without sorting
Right Triangle Side Lengths (Inspired by Project Euler Problem 39)
Find the sides of an isosceles triangle when given its area and height from its base to apex
Matrix of Multiplication Facts
Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.
Why the heck are they blinking!?!?
The Hills Are Alive...
Lowest sum from a group of digits
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