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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.
This means that either:
a) your solution has a bug, and is stuck in an endless loop somewhere
b) there is no bug, but your solution is simply too slow.
Some katas (like this one) will give very large inputs, so you need to not only get a solution that works, but one that works fast enough.
think i figured out what it is but the solution is not being posted. Gives the error that the Execution time has exeeded