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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.
I was able to solve this problem using brute-force (linear time complexity),
but I can see some better math solutions here :)
There is little difference between 7 and 8 kyu problems. If you think it's too easy, enjoy the easy points.
This also is not a suggestion.
An issue is a bug with the kata. This is not an issue
Why is it a 7 kyu problem??
It easier than 8 kyu :(
Too easy for a 7 kyu problem :\