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 the sum of all the numbers of the input vector
Flip the main diagonal of a matrix
Will there be a new leader?
Basic arrays operations.
Who has power to do everything in this world?
Test if two numbers have the same digits
Triangle Numbers Below N
Cache me Outside
The Dark Side of the Die
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