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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.
Fixed by fork above
yep, a little tool.
fixed
Click on
Show Kata Test Cases.not an issue
Not a kata issue, it works fine
Not an issue
Are you selecting SQLite instead of PostgreSQL? I tried my and your solution and see no error when using PostgreSQL.
remember to use spoiler flag when discussing solutions (I added the flag)
It's totally suboptimal about the perfs (because no tail call optimization, no generator, and a LOT of extra slicing (the input) and list concatenations (the output)).
An iterative version avoiding concatenation is way more efficient. But less fun, yeah.