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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.
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Just thinking that "loop the same long string 26 times" already is O(n).
Oh, waw. and i made the largest select case possible xD
Please, can you say how it's work? I would be pleasure )
Not anymore ~~
Yes, totally.
We can do in O(n) if we first count the string chars and later do the check.
Random test cases still expect "Clean!" regardless of input in Ruby