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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.
Cute, but this is GCC, not C. Also the format of (n-1) using %d is not portable since %d requires an int but n is a (size_t).
so it won't work on smth like msvc
not standard -_-