Loading collection data...
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.
If the tests were wrong, how would 1400 users solve it in JS? Maybe you're looking at logs for another test, maybe you're modifying the input array, and tests don't take care of that, or there could be other reasons...
Are you mutating the input?