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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 got the same problem. What is this crap?
I found out the solution, when i unlocked the solutions of this kata. You need to return more than just resultObj. You shoud return {factor: resultObj}
I am puzzled by this as well. At the time of 21st hour the alcohol level should be exactly 0, but the test cases are looking for a time that's at least 1 minute ahead of that.