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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 think you should make the Instruction more clear by saying the last element will be Null(in java) or null (in C)
but you stated it like file system structure Null/null/NULL.
Another Important thing Stated clear that NULL will be in as a word not like "" or " ".
Thanks
The second example in the instruction has a mistype it shoud 33 not 36.
Kindly correct it.
Thanks.
It was very hard to optimize the solution using the concept of indexed global array.