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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.
I tried to not store any arrays in memory, and operate only on the numbers.
A bit of trade-off, as we need to do heavy calucaltions on the input number,
but that would require some benchmarking to figure out what solution is better.
I also go the execution Timeout from the server, tests are probably still not ideal.