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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.
thanks
Will fail on valid_parentheses("())(()")
Hi lxhoang, Stack level too deep usually means an infinite loop. Try looking into the code where you are using recursion and see if there is a condition that would cause it to never bottom-out.
All test cases are passed but it raises error
-e:5: stack level too deep (SystemStackError). Any suggestions for me ? Thanks in advances