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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.
Now I've seen everything.........
Why int instead of long? What if the a and/or b would be more than int can contain?
Of course it doesn't!
The check is not strict enough, so this code is recognized as a working one, but of course it's bad!
nnnnneeeee should be false but will be true!