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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.
did you find the solution?
@ Raffaele Fiorillo, as the author mentioned, if you got, let's say, 11,4 rolls, if you round this to 11 then you will be 0.4 rolls short. You need to get the next integer, higher than your number of rolls.
Not an issue of the kata but of your code: when "rounding" you are risking to have not enough rolls. When your "area needed" is "11.285480769230768" and your answer is "eleven" you don't have enough rolls...
Moreover see at the top of the page how many guys passed the kata.