Name:Unknown
Clan:N/A
Member Since:Mar 2017
Last Seen:Aug 2018
Profiles:
Following:505
Followers:506
Allies:506
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.
Your solution is compiling and running on Codewars too. It's just that it's getting the answer wrong -- and the Codewars test framework is reporting this rather ungracefully, because it doesn't seem to know about tuple types in C++.