More Problems

• How do you detect and remove a loop in a singly linked list using a stack?
• Implement a function to flatten a multilevel doubly linked list where each node has both a next pointer and a child pointer.
• Write a function to reverse the first n nodes in a circular singly linked list without recursion.
• How do you merge two unsorted circular singly linked lists into one sorted doubly linked list without using extra space?
• Implement a function to rotate a singly linked list right by k positions using recursion.
• Write a function to split a doubly linked list into two separate lists based on odd and even values.
• How do you rearrange nodes in a singly linked list such that nodes with even values appear before nodes with odd values?
• Implement a function to reverse every alternate node in a circular singly linked list without recursion.