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.
"using namespace std" is usually fine when your working on small projects. However once you start working on more complex programs, your functions could conflict with the std functions, creating alot of unneeded issues. It's way better in the long run to type the extra 5 keys