Your solution is fastest so far.
Good job, Athi.
@Athi, your solution contains many "magic" constant variables that I don't know how you got.
William's solution is much easier to understood, although it is slower than yours.
Thanks li haitao.
Sum all integers from 1 to 2^n
Getting the indices from a vector
Replicate elements in vectors
Output any real number that is neither positive nor negative
Lights Out 2 - 5x5, 4 moves
Combined Ages 1 - Symmetric, n = 3
Dice roll - lateral faces
Stress-Strain Properties - 3
Rule of mixtures (composites) - reverse engineering
Temperature Conversion Utility (Strings)
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