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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.
C++ tests dont work, the "equal to" gets shoved into the answer and so they don't validate...
include the respective library for your language
to add to this, those who type the same clan name will be added to yours. so type a clan name(case sensitive), and send it to friends / peers, asking them to type the same.
maybe should be 8kyu
you've probably figured it out by now, but look into even/odd detection as a start