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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.
Wow this solution is amazing. Would you please explain the concept behind this algorithm?
Actually we don't need to parse all numbers before checking them. We only need to parse n numbers (where n >= 3) to find out the different one in position n.
Oh my gosh!