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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.
It's done check it please
C# Translation translation added :)
this challenge pushed me write fast algorithm, amazing
you need to add the namespace
using System;
it's better if you add the wiki page of
Centered pentagonal number
thx you example helped me to understand the kata!