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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.
Writing the code may be an 8kyu but I would have put this at a 7kyu because of the level of math expected.
Good one! I like it when I have to draw out diagrams to figure it out. Yet in the end it's so simple.
A little too easy. I would throw a few more problems into it.
Wow! Definitely one of the hardest 8 kyu that I've done. Ditto that it should be a 7. The code is really basic but I had to draw a lot of thumbnails like others have said to figure out the math.