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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.
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After more than 2 years...
Yes that's true. Seems like the tests didn't cover that.
Yea true. I was rushing some 7s and 8s so I didn't think of such things :D
Why is there no index-out-of-bounds error for e.g. when r=0?
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I think it's unlikely. Unfornutately it doesn't show me for which case it time out. If I'm not mistaken infinite loops are impossible for my code and incorrect inputs would result in an instant error. Unless it really exceeds the 8 digit pin it shouldn't be too inefficient.
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