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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.
You're right. I've changed the maximum number of random tests to 416. Thanks for the heads up.
In random tests you may ask for ExpSum(417), but ExpSum(417) = 18987964267331664557 > 18446744073709551615=2^64-1
You can't give right answer in Go for this test
I've proposed new translation for Golang
Because n in huge tests too high. To fit to uint64 we must have n <= 11844674406