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.
Maybe you should have tried solving it before looking for it in the TextBook?People like you are always strange to me just because Google gives you the solution on the first page doesn't mean that the problem's difficulty changes...
Fixed.
Fixed. (You may need to reset the sample tests.)