LLques.txt

I HAVE TO COVER ALL THESE QUESTIONS

1. **Reverse a Linked List:**
   - Reverse a singly linked list.
   - Reverse a linked list in groups of a given size.

2. **Detect a Cycle:**
   - Detect if a linked list has a cycle.
   - Find the start of the cycle in a linked list.

3. **Find the Middle of a Linked List:**
   - Find the middle element of a linked list in one pass.

4. **Merge Two Sorted Linked Lists:**
   - Merge two sorted linked lists into one sorted list.
   - Merge K sorted linked lists.

5. **Remove Duplicates:**
   - Remove duplicates from an unsorted linked list.
   - Remove duplicates from a sorted linked list.

6. **Intersection Point in Y Shaped Linked Lists:**
   - Find the node where two linked lists intersect.

7. **Add Two Numbers Represented by Linked Lists:**
   - Add two numbers represented by linked lists (digits stored in reverse order).

8. **Flatten a Multilevel Doubly Linked List:**
   - Flatten a multilevel doubly linked list.

9. **Clone a Linked List with Random Pointers:**
   - Clone a linked list with next and random pointers.

10. **Rotate a Linked List:**
    - Rotate a linked list by K nodes.

11. **Palindromic Linked List:**
    - Check if a linked list is a palindrome.

12. **LRU Cache using Linked List:**
    - Implement an LRU (Least Recently Used) cache using a linked list.

13. **Intersection of Two Linked Lists:**
    - Find the intersection point of two linked lists.

14. **Nth Node from the End:**
    - Find the Nth node from the end of a linked list.

15. **Delete a Node in the Middle of a Linked List:**
    - Delete a node in the middle of a linked list, given only access to that node.