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.
Sums with Excluded Digits
Set some matrix elements to zero
Right Triangle Side Lengths (Inspired by Project Euler Problem 39)
Van Eck's Sequence's nth member
Consecutive Equation Times (of the day)
Power Times (of the day)
Combined Ages 2 - Symmetric, n ≥ 3
Lights Out 10 - 5x5, with wrapping, 6 moves
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