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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.
If you try to calculate such huge factorials in java, you need to approximate them. Otherwhise you wont finish in time.
Probably there is an other solution to this kata, than calculating the exact number.
Could you give me a short explanation of your solution? thx
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