Write a function to find the 5th root of a number.
It sounds easy, but the typical functions are not allowed (see the test suite), so you'll need to find a non-standard method to solve the problem.
Back to basics 9 - Indexed References
Back to basics 26 - Keywords
Getting the indices from a matrice
Temperature Conversion Utility (Strings)
Fill-a-pix - Solution Checker
Divisible by 11
Rule of mixtures (composites) - reverse engineering
Cycling — Critical Power
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