Loading collection data...
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.
Short, but not very efficient - it first sorts the full string, even for strings like 'ba....'
This is why it is 4kyu. You should think about a faster solution
How about random tests?
Added random tests
Hi, @GiacomoSorbi! What do you think?
I believe, I should wait for someone to approve? Or should I do it myself?