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.
This comment is hidden because it contains spoiler information about the solution
This comment is hidden because it contains spoiler information about the solution
Of course, It is really better to write 10 lines of code, where could be some errors, when this code can compile for the first time.
Nevertheless, you come through array for 3 times (2 foreach, 1 for), while solution on the top goes twice. But your idea is pretty interesting.