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.
I cannot understand why aab -> aan is defined as impossible to decode. Some replies about this are hidden. Can anyone help? Thanks!
thanks! checking types really helps
This comment is hidden because it contains spoiler information about the solution
Yes I got stuck because I tried to use stream. I am not sure how to make each value unique
Did anyone know stephane777's reply about the volcano and climbing test? I couldn't find it.