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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.
:-)
Have a good time on CodeWars!
Will do :).
Thanks!!
Next time before you create an issue, you should read the description of the kata!
"If the array of arrays is null/nil or empty, the method should return 0.
When an array in the array is null or empty, the method should return 0 too!"
I have an error with the testing: "Wrong for [[1, 4, 0, 3, 2, 1, 1], [1, 0, 4, 2, 3, 2], [2, 4], [], [1, 4, 1], [0], [3, 4, 0, 4, 2]] expected:<0> but was:<4>" though the missing array length should be 4...