"cat" is a really nice touch for concatenation of those arrays! your solutions never fail my expectation.
by the way, i saw that "sub-func" comment...:)
Calling the two sub-functions the right way will not hurt your score. Great work though. :)
Get the area codes from a list of phone numbers
Distance walked 2D
Is the Point in a Circle?
Set some matrix elements to zero
Length of a short side
Separate even from odd numbers in a vector - with a loop
Sum of adjacent elements in a vector
Approximate the cosine function
Capitilize the first letter of every word in a string
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