More Problems

• Implement a function to check if a doubly linked list is circular.
• Write a function to find the sum of all odd-positioned nodes in a singly linked list.
• How do you insert a node before a given node in a circular singly linked list?
• Implement a function to merge two circular singly linked lists in sorted order.
• Write a function to reverse the nodes in the first half of a circular doubly linked list.
• How do you check if two circular singly linked lists are the same?
• Implement a function to delete the first node of a doubly linked list.
• Write a function to count the number of even-positioned nodes in a circular doubly linked list.