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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.
:D
It's beautiful, but in the worst case, this algorithm will work in O(n^2)
This is the best practice
This is really the best solution. Good job
I finished this cata, but I have no idea what it was xd. I didn't undertand anything...
Added
This's good cata. First you think about brute force, estimate it as the number of operations equal to 9^5, think about the method of brute force... After that, you realize that everything is much easier. Good luck!
No, this method shows poor testing organizations. It's all
6 kyu... Nice kata, but it's not 6 kuy. This was hard, imho.
No random tests.