More Problems

• Write a function to rearrange nodes in a singly linked list such that all positive numbers appear before negative numbers.
• How do you reverse a singly linked list in place using recursion?
• Implement a function to delete all nodes from a singly linked list that are greater than the sum of the next two nodes.
• Write a function to rotate a circular doubly linked list left by k positions.
• How do you detect the length of the loop in a circular singly linked list using Floyd’s cycle detection?
• Implement a function to reverse the second half of a doubly linked list.
• Write a function to merge two circular singly linked lists into one sorted doubly linked list.
• How do you remove every k-th node from a circular doubly linked list without breaking the list structure?