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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.
@anaiel signature is an array of size 3 by definition
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You're right, I thought there is something wrong with malloc because of order but not reviewed it in detail. Nice solution you made.
http://pubs.opengroup.org/onlinepubs/009695399/functions/malloc.html
"If size is 0, either a null pointer or a unique pointer that can be successfully passed to free() shall be returned."
You should check for "n==0" first, otherwise you would fill the memory, because the malloc won't get freed.