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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 is no need to compute complete sum for every number while the sum already exceeds the number.
But the usage of stream is realy funny! Is it possible to add the optimization with stream?
Something got in!!!
but i like this :).