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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.
Huh, apparently .to_i converts the first number it can find in a string
spoiler flag, plz...
This comment is hidden because it contains spoiler information about the solution
This comment is hidden because it contains spoiler information about the solution
nice!!
This will return wrong answer if there're negative numbers in the array.
Problem statements says two "positive" numbers.