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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.
Perfect solve
I think this solution is difficult.Please, read about Big^O^notation
Clear solve.Perfect.
I think here a problem with difficults of algoritms: cycle in cycle. Read about big O notation.
I think name of array should to write with describe. For example: arrayFromRangeNumber. And also use var (old version).