Nice little kata. I liked how it trains careful indexing and boundary checking without overthinking the logic. Clean and enjoyable. Thanks!

if 7kyu questions need sharp mindset ı cant even imagine 6kyu or 5kyu or...

Haskell translation approved.

Approved

This issue wasn't fixed: https://www.codewars.com/kata/59a2a3ba5eb5d4e609000055/discuss#59a5c2aedbe3b0bbce0000f8

The test is fine, it's your code that's returning [1] instead of [0, 1]

There is an issue with one of the tests

  arr2         arr1
[ 2, 3 ] [ 1, 2, 0, 1, 2 ]

Should expect an array [ 0, 1 ] but that specific test expects [1] instead

What makes you think there aren't?

fixed

approved

merged

merged

Quite interesting kata.