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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.
"std::accumulate" or "using namespace std;""
Good job!!!! It's very very very cooooooooooooooooooooooool man!!!!!!!!!!!!!!!!!!!!!!
interesante forma de resolver
as for begginer it kinda "finnaly" pushed me towards understanding of lambdas and ecouraged towards learning them. nice