Can anyone explain me whats the error?

Question

https://code.sololearn.com/clQhT0tR9iX9/?ref=app

Answer 1

Index 6 out of bounds. You take an array item which do not exist. Line 50 should be:

split(arr,0, arr.length-1,b);

Answer 2

The logical way of your attempt is pretty difficult. This is another, which I prefer:

https://code.sololearn.com/cL1j1M51iwaB/?ref=app

Answer 3

Yeah can u check the logical error too I can't find it