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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.
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good catch, wish i had done that in my solution
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wwow.
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Thanks... I got to learn something new.
What is the time complexity for this solution ?
good!
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Awesome! Nice and clear. It would be good to handle NumberFormatException if the result number will be bigger, than int =)
beautiful but low performance.
could you show your solution?
You're only disregarding 5, and not 15. The instructions say:
In this kata you get the start number and the end number of a region and should return the count of all numbers except numbers with a 5 in it.
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