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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.
great!
it's O(n * k)
same
to avoiding one extra looping.
I did something kinda similar to this using slice. This is pretty cool
why is that O(n^2)?
Just when I think I did something something smart..
I have used same solution.
ChristmasTreeBuilder🎄
O(n^2) time complexity, not good.
Thank you everyone in the comments for explaining how this solution works!
This is so awesome
This comment is hidden because it contains spoiler information about the solution
that's smart that you did it without a single loop .. it took me 3 nested loops to do that..lol
niiice!
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