Testcase 1 2 3 showing run error :

#1

code:

#2

@myself.yash.srivastav in the line number 90 of your code pass k%n instead of k to the function.
Hope that helps.

#3

modified
now showing wrong answer in testcase 3

#4

Do the dry run once, there must be a minute error which can be taken care off by a simple dry run.