Nice expression for the usage test. Maybe one can add function "dec2base", cause the return type is a String.
The problem description should mention that dec2base isn't allowed either.
This will fail to detect certain palindromes which contain zero e.g. 10101 however the test suite doesn't (yet) contain any such.
There's something strange with the Cody test suites today...
Add two numbers
Calculate the Levenshtein distance between two strings
Getting the indices from a vector
05 - Vector Equations 1
Min of a Matrix
Pig Latin to English Translator
Clock Hand Angle 1
Make an N-dimensional Multiplication Table
Inhomogenous Depth Scale Interpolation
First N Perfect Squares
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