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.
Because that's not the input of the case your code is failing. Print something besides the input and check it.
I have the same problem. I see @Chrone79 has solved the isuue, but 'This comment has been hidden'. I even did a hack to return true for this case and then I got that is should return false... !?
This comment is hidden because it contains spoiler information about the solution