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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.
You only need to iterate the array once to get your result. Observe and analyze how
stepcan help in this regard.I know, but that's wrong,
numis a number.What is
num[i+1]?You're probably parsing the number and that fails because they're too big. Try another way.