Practice 30 C Programming Questions on Linked List

Practice 30 C Programming Questions on Linked List

Q1. Write a program in C to create a linked list with three nodes containing data 10, 20, and 30, and display the data in each node.

Q2. Write a program in C to insert a node with data 5 at the beginning of a linked list that initially contains the values 10 and 20.

Q3. Write a program in C to insert a node with data 40 at the end of a linked list that initially contains the values 10, 20, and 30.

Q4. Write a program in C to delete the first node of a linked list that initially contains 10 -> 20 -> 30.

Q5. Write a program in C to delete the last node of a linked list that initially contains 10 -> 20 -> 30.

Q6. Write a program in C to find and display the number of nodes in a linked list that contains the values 10 -> 20 -> 30.

Q7. Write a program in C to search for a specific value (e.g., 20) in a linked list and indicate whether it’s present.

Q8. Write a program in C to reverse a linked list with the values 10 -> 20 -> 30.

Q9. Write a program in C to insert a node with data 25 at position 2 in a linked list initially containing 10 -> 20 -> 30.

Q10. Write a program in C to delete a node at position 2 from a linked list that initially contains 10 -> 20 -> 30.

Q11. Write a program in C to copy a linked list with values 10 -> 20 -> 30 to a new linked list.

Q12. Write a program in C to check if a linked list has a loop (cycle) in it.

Q13. Write a program in C to flatten a multilevel linked list (for simplicity, assume all nodes only have next pointers).

Q14. Write a program in C to merge two sorted linked lists into a single sorted linked list.

Q15. Write a program in C to remove duplicates from a linked list.

Q16. Write a program in C to calculate the sum of all elements in a linked list containing 10 -> 20-> 30.

Q17. Write a program in C to swap two nodes in a linked list.

Q18. Write a program in C to find the Kth node from the end of a linked list containing 10 -> 20 -> 30 -> 40.

Q19. Write a program in C to check if a linked list is a palindrome.

Q20. Write a program in C to create a cycle in a linked list.

Q21. Write a program in C to find the middle node of a linked list containing 10 -> 20 -> 30 -> 40 -> 50.

Q22. Write a program in C to reverse a linked list containing 10 -> 20 -> 30.

Q23. Write a program in C to remove the N-th node from the end of a linked list containing 10 -> 20 -> 30 -> 40 -> 50.

Q24. Write a program in C to add two numbers represented by linked lists, where each node contains a single digit. The digits are stored in reverse order.

Q25. Write a program in C to find the intersection point of two linked lists.

Q26. Write a program in C to delete a linked list and free the memory.

Q27. Write a program in C to merge two sorted linked lists into a single sorted linked list.

Q28. Write a program in C to detect a cycle in a linked list.

Q29. Write a program in C to clone a linked list where each node has a next pointer and a random pointer.

Q30. Write a program in C to print the elements of a linked list in reverse order without modifying the list.