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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.
Why would you rape yourself with such one liner?
There are no performance benefits to doing that, are there.
I did tests and this is almost 15 times faster compared to other solutions based on kata description. Well done!
Man, I will need to revisit this. I managed to solve it with naive limited recursion, but now looking on others looks like I messed up that solution and should had not passed it.
In JavaScript I just floored seconds and it worked without any rounding. Had frustrated experience because of this "round it to nearest second".
After reading issues section I confirmed what I suspected, author derped a bit here and refused to accept that.
Some of the tests are mathematically incorrect.
Edit: NVM, rounding down is not rounding, it is flooring.
Damn, I did literally same thing, it is 100% match. :O