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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.
According to the problem, having 2+ arrays with same length would be impossible.
So having (a,a) and (b,b) and (c,c) would never occur.
Hi Steffen,
Your solution seems to return 8 for the input:
a,a b,b c,c e,e,e f,f,f,f,f g,g,g,g,g,g
but I would expect it to return 4 for this input.
Am I correct?