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...
Find state names that start with the letter N
Rotate input square matrix 90 degrees CCW without rot90
Getting the indices from a matrice
06 - Matrix Equations 2
Right Triangle Side Lengths (Inspired by Project Euler Problem 39)
Check to see if a Sudoku Puzzle is Solved
Return the first and last characters of a character array
The Dark Side of the Die
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