Unique Characters

Unique Characters Write a method to check if the string has unique characters. Here is…

Count Nodes in Circular LinkedList

Count Nodes in Circular LinkedList To calculate the nodes in the circular linked list iterate the list from head with the help of dummy node (copy of reference in code cll) and stop…

CircularLinkedList

CircularLinkedList   In singly and doubly linked lists the end of the lists are indicated with NULL value.  But circular linked list doesn’t have any ends. End of the circular linked list…

Insert At End of DoublyLinkedList

Insert At End of LinkedList   Inserting the node at the end of the DoublyLinkedList   Traverse the list till the end of the LinkedList. Update the last node of the LinkedList…

Insert At Beginning of DoublyLinkedList

Insert At the Beginning of DoublyLinkedList   Insert a node at the beginning of the DoublyLinkedList can be done in two steps:   Update the next pointer of new Node to the…

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