This really violates the spirit of the problem.
I know... :-p
it was quick and dirty. I will come again to solve it right. ;-)
Times 2 - START HERE
Select every other element of a vector
Factorize THIS, buddy
Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)
FIFA World Cup 2014 : Offside
Integer sequence - 2 : Kolakoski sequence
Fermat's last theorem - again
longest common semi-substring
Graph Algorithms 3: Number of Connected Components
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