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.
with value type "unsigned long long" in c++, when the number is more than 67, c++ doesn't support because the factorial of this number show like infinity.