Topic: linked-list-problem / Level: beginner

• 1. Write a function to create a simple linked list with 3 nodes.
• 2. How do you traverse a singly linked list?
• 3. Implement a function to insert a node at the beginning of a singly linked list.
• 4. Implement a function to insert a node at the end of a singly linked list.
• 5. Write a function to find the length of a linked list.
• 6. How do you delete the first node in a singly linked list?
• 7. Write a function to delete the last node of a singly linked list.
• 8. Implement a function to search for an element in a linked list.
• 9. Write a function to print all elements in a singly linked list.
• 10. Implement a function to reverse a singly linked list.
• 11. How do you swap two nodes in a linked list?
• 12. Write a function to find the nth node from the end of a linked list.
• 13. How do you find the middle element of a linked list?
• 14. Implement a function to detect a loop in a linked list.
• 15. Write a function to remove a loop in a linked list.
• 16. How do you merge two sorted linked lists into one?
• 17. Write a function to check if a linked list is palindrome.
• 18. Implement a function to delete a linked list.
• 19. Write a function to remove duplicates from a sorted linked list.
• 20. How do you insert a node in a sorted linked list?
• 21. Write a function to split a circular linked list into two halves.
• 22. How do you count the number of nodes in a circular linked list?
• 23. Implement a function to create a doubly linked list with 4 nodes.
• 24. How do you traverse a doubly linked list in reverse order?
• 25. Write a function to delete a node in a doubly linked list.
• 26. How do you reverse a doubly linked list?
• 27. Write a function to find the length of a doubly linked list.
• 28. Implement a function to insert a node at the beginning of a doubly linked list.
• 29. How do you insert a node at the end of a doubly linked list?
• 30. Write a function to delete a node from a circular linked list.
• 31. How do you check if two linked lists are identical?
• 32. Implement a function to append a node at the end of a circular linked list.
• 33. How do you concatenate two linked lists?
• 34. Write a function to create a circular doubly linked list.
• 35. How do you find the intersection point of two linked lists?
• 36. Write a function to delete alternate nodes in a linked list.
• 37. How do you sort a linked list using bubble sort?
• 38. Implement a function to split a linked list into odd and even nodes.
• 39. Write a function to clone a linked list with next and random pointers.
• 40. How do you find the last node of a linked list?
• 41. Implement a function to delete the nth node from the end of a linked list.
• 42. How do you check if a circular linked list is empty?
• 43. Write a function to insert a node after a given node in a singly linked list.
• 44. How do you find the sum of all elements in a linked list?
• 45. Write a function to merge two unsorted linked lists.
• 46. Implement a function to find the maximum value in a linked list.
• 47. How do you find the minimum value in a linked list?
• 48. Write a function to remove duplicates from an unsorted linked list.
• 49. Implement a function to find the kth node from the beginning in a linked list.
• 50. How do you count the occurrences of an element in a linked list?

• More Levels

• Intermediate
• Advanced