if you're going to post trivial problems that have already been posted before, at least use a proper test suite.
and this one does not even require a solution
Which doors are open?
The Goldbach Conjecture, Part 2
Free passes for everyone!
2倍してみよう - ここからスタート！
Matlab Basics - Pick out parts of a vector
Matlab Basics II - Minimum
Matlab Basics II - Max & Index of Max
Matlab Basics II - 3 Dimensional Arrays
Matlab Basics - Set unwanted parts of a vector to zero
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