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Complete this list and you will never have to fear a linked list question in any interview in the future .

Here is the top list of linked list questions asked in coding interviews of  product-based comapnies :

Other honorable mentions :

1. How do you find the middle element of a singly linked list in one pass? (solution)
2. How do you check if a given linked list contains a cycle? How do you find the starting node of the cycle? (solution)
3. How do you find the third node from the end in a singly linked list? (solution)
4. How do you find the sum of two linked lists using Stack? (solution)
5. How do you reverse a linked list in place? (solution)
6. How to add an element in the middle of the linked list? (solution)
7. How do you sort a linked list in Java? (solution)
8. What is the difference between the array and linked list? (answer)
9. How to remove Nth Node from the end of a linked list? (solution)
10. How to merge two sorted linked lists? (solution)
11. How to convert a sorted list to a binary search tree? (solution)
12. Given a linked list and a value x, partition it such that all nodes less than x come before nodes greater than or equal to x. (solution)
13. How to remove duplicates from a sorted linked list? (solution)
14. How to find the node at which the intersection of two singly linked lists begins. (solution)
15. How to check if a given linked list is a palindrome? (solution)
16. How to remove all elements from a linked list of integers which match with given value? (solution)
17. How do you reverse a linked list? (solution)
18. How do you reverse a singly linked list without recursion? (solution)
19. How are duplicate nodes removed in an unsorted linked list? (solution)
20. How do you find the length of a singly linked list? (solution)

by Expert (111,350 points)