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...
Times 2 - START HERE
Determine whether a vector is monotonically increasing
Project Euler: Problem 6, Natural numbers, squares and sums.
Back to basics 4 - Search Path
Make a run-length companion vector
Specific Element Count
Lychrel Number Test (Inspired by Project Euler Problem 55)
Cache me Outside
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