One of the test case is failing

#1

the compilation is successful but one test case is failing

#2

Kindly resolve my doubt

#3

Kindly resolve my doubt, why my test cases are failing

#4

Hello @adityaanand47, you were missing the case when n == 0. Kindly correct that out and instead of dividing the list by 2 at the end you can simply impose the condition like i <= j.