Linked list k append

#1


test case 2 is giving run error kindly figure out the error

#2

hey @Mehakgarg, you forgot to add return when head==NULL. Also you should add condition when k%w==0. I have made these changes to your code and indicate them as comment, you can check them here https://ide.codingblocks.com/s/117016
Your logic for append is correct.

#3

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