Interesting problem but tests are too tricky.
I am not sure that a list of equal numbers qualifies as a series. Would it be a geometric or an arithmetic series?
'Randperm' is making this question a whole lot harder...
Right and wrong
Count letters occurence in text, specific to words with a given length.
Find the sides of an isosceles triangle when given its area and height from its base to apex
longest common substring : Skipped character version
Path of least resistance - Move all direction
Let's see how peculiar we can get
BLOCK x3 (Version 2)
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