Circular Single Linked List - All operations
// the linked list node class Node{ int data; Node next; Node(int x){ this.data=x; this.next=null; } } public class Main { // head and tail of the linked list Node head; Node tail; // function to add a new node at last of linked list // Time Complexity - O(1) , Space Complexity - O(1) public void addNode(int x){ Node newNode = new Node(x); if(head==null){ head=newNode; tail=newNode; tail.next=head; return; } // else tail.next=newNode; ...