J-G, thanks for the problem. Could you add some more information about expected inputs and outputs? An example and some more tests would be helpful too. If your test suite has exactly one test, it's trivial to write a correct answer.
Finding Perfect Squares
Right and wrong
Back to basics 14 - Keywords
Number of 1s in a binary string
Sum the 'edge' values of a matrix
Convert nested struct-array to numeric array
Insert structure in a parameter-cell array.
Wayfinding 5 - Travel contour
Wayfinding 3 - passed areas
Convert a substructure reference string into a valid definition structure for subsref and subsasgn
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