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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
You have 2 arrays of strings and u have to find max value of abs(length(x) − length(y)) checking all values in both arrays.
x = value from 1st array and y = value from 2nd array. Do You understand now?
Very nice recursion, clever solution :)