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.
Sum all integers from 1 to 2^n
Create a square matrix of multiples
"Low : High - Low : High - Turn around " -- Create a subindices vector
Determine Whether an array is empty
Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)
How many jokers?
Check if sorted
Simple spirometer - find your lung capacity from the number and size of soap bubbles in one breath
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