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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.
7 ^ 16
?It has been answered many times already, months and months ago (you can even find my own question about this very case). I don't remember the logic exactly, but ALL CASES ARE VALID, and
7**6**21 % 10 == 1
.This comment is hidden because it contains spoiler information about the solution
Why should it be 9?
The specs are allright, please check your solution.
i had the same issue. it should be 9
[7, 6, 21] == 1
test case says answer to this should be 1 but shouldn't it be 9?
very clean code. more ruby like.