Name:Armen
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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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Random tests sometimes times out on its own.
Why is the return type a string? It seems to add nothing to the task itself. Wouldn't it be better if it was just a vector or array?
IDK what's best in C++, I'm just asking questions and giving suggestions :P
Wouldn't it be better to use something like vector of pairs or vector of tuples for coordinates (instead of vector of vectors of 2 elements)?