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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.
If you look closely you see that there is a little but important difference in what you both loop over.
hello, yea it's possible, I just have made it
This is irrelevant.
Yes, it is possible, and you have to think of some more efficient way. Hint: if there is 100 ones and a single zero, your method checks that there is 100 ones a hundred times. It is enough to check that there is 100 ones only once.