Problem 53. Duplicates

Write a function that accepts a cell array of strings and returns another cell array of strings with only the duplicates retained.


 Input  strs = {'a','b','a'}
 Output dups is 'a'
 Input  strs = {'a','b','c'}
 Output dups is Empty cell array: 0-by-1

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47.87% Correct | 52.13% Incorrect
Last solution submitted on Sep 21, 2019

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