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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 couldnt solve it. How did you realize the answer? Is there any math principle I didnt know or it was simply intuition?
One line, and 5-10 times slower. This solution is relatively fast
ok, I see order by ...
Yeah, a minor mistake messed up everything for huge numbers.
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This is not an issue with the kata. Refactor your solution.
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I passed JS, I did SQL, but I have 1 error in it, but the indicated place has no error. wtf?
fixed
nitpick: a minor typo in the description
the symbol[_]s in the top row.Approved by someone
Approved by someone
JS Translation
SQL Translation
Fixed.
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