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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.
that means your code needs to be more efficient, try to optimize your code more:)
You're right, the problem only specifies "letters," which is open to interpretation. My solution passes all tests, so perhaps the author did not have foreign letters in mind.
same problem here, Array.slice(0) DOES NOT SOLVE THE ISSUE
how about characters from other languages... "4prét2ça" this ASCII, how about unicode
This comment is hidden because it contains spoiler information about the solution
JS
the test passes
but ATTEMPT gives "exit code 1"
here's the log:
....
....
....
Starting random testcases
Test Passed: Value == '[]'
STDERR
Execution Timed Out (12000 ms)
.....
.....
what should I do?
why don't you use ORDER BY?
where is ORDER BY (in postgres or oracle, there's no guarantee of order, you should use ORDER BY)