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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.
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After spending 4h30 on this for the C version, I have learned 3 things to do :
My code is ugly as f*** but i'm 191 out of 28k people to succeed.