The test suite has been enhanced.
The creator of this problem might have indeed banged his head, which has affected his ability to think properly. I wish such stupid and meaningless problems stop showing up on Cody.
I admit that the time I'll spend on correcting the text of sufferers of Bangolangosis is small, but what I learned about regexprep from solving this problem will surely help me in other applications.
Return the 3n+1 sequence for n
sum of first 'n' terms
Pernicious Anniversary Problem
How to multiply?
cos for boss?
give nth decimal place of pi
Given an unsigned integer x, find the largest y by rearranging the bits in x
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