Perhaps a new problem group dealing with string arrays, character arrays, and cell arrays of character vectors can be added on Cody.
@"Peng Lui": The first Challenge Group involving strings and the like (Strings I) has been posted.
And for the poor souls who don't have 2016b...
This solution no longer passes as of 8/19/2017.
Maximum running product for a string of numbers
Solve the Sudoku Row
length of a vector
Pernicious Anniversary Problem
Make roundn function
Beads on a Necklace (Convex Hulls)
Spot the outlier
Encoding Google Maps Polylines
Make a function that returns its own character count
Give a matrix that matches itself when rotated
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