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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.
example tests pass when clicking "attempt", but fail when submitting !
for the edge case: parensToTree(""), should the function return undefined, null, empty sring or what ?
so clean 😂😂😂
1- Exception while generating random tests when using Kotlin 1.5: "function toLowerCase() is deprected, use lowercase()"
2- instructions needs improvement
Nice kata, made my brain hurl a little lol
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