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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.
Divide et impera
It is not banned, but note the language version used. This kata currently only supports Node 8, and
Array.flatwasn't added to node until version 11.I think that there's more solution based on another paper (or at least mine and monadius' is, which makes it two :) ). I am not sure why, is it more googleable, or what. I think I've seen the one you used but I found the other one easier to implement.
description updated
I was thinking the same thing. An example would help quite a bit.