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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.
You are checking the lengths 4 times for no reason
How is this best practices
Why is this upvoted as best practices?
No, they are inside the class so you can use them all you want. Being private just means they can't be accessed by instantiated objects.
In C, why would you pass 2d arrays and want to return a 1d pseudo-multidimensional array? You don't even specify it.
???
why are you dereferencing fun?
why would you even use recursion in this problem
why
why is this best practice? if statements are much more readable
Oh no
how is this best practice?
damn your solution is 3 times faster than the most common one!
just do if arr
what? How does this work?
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