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.
No answer in 3 years, closing.
Did you print the answer to stdout instead of returning the answer? CW works differently from pretty much all competitive programming sites.
Hey, can you post your code using Markdown formatting so I can see what the problem is.