Problem : Click Here Solution: /* Reverse a linked list and return pointer to the head The input list will have at least one element Node is defined as class Node { int data; Node next; } */ // This is a "method-only" submission. Few Hackerrank solutions in Java. Reverse a linked list and return pointer to the head The input list will have at least one element Contribute to sknsht/HackerRank development by creating an account on GitHub. Reverse a linked list - Hacker Rank Solution You’re given the pointer to the head node of a linked list. January 13, 2018 January 13, 2018 Townim Faisal. Reverse a linked list Problem Statement. Reverse a singly linked list. HackerRank Problem : Reverse a doubly linked list. Input Format You can perform the following commands: insert i e: Insert integer at position i . Solution: /* Insert Node at the end of a linked list head pointer input could be NULL as well for empty list Node is defined as class Node {int data; Node next; Node prev;} */ Wednesday, 12 August 2015. Input Format You have to complete the Node* Reverse(Node* head) method which takes one argument - the head of the linked list. Could you implement both? Example: Input: 1->2->3->4->5->NULL Output: 5->4->3->2->1->NULL Follow up: A linked list can be reversed either iteratively or recursively. Node Reverse(Node head)… remove e: Delete the first occurrence of integer e. append e: Insert integer e at the end of the list. pop: Pop the last element from the list. My solutions to HackerRank problems. You should NOT read any input from stdin/console. The head pointer given may be null meaning that the initial list is empty. print: Print the list. // You only need to complete this method. sort: Sort the list. Change the next pointers of the nodes so that their order is reversed. Change the next pointers of the nodes so that their order is reversed. Lists - Hackerrank solution.Consider a list (list = []). You’re given the pointer to the head node of a linked list. The head pointer given may be null meaning that the initial list is empty. reverse: Reverse the list.by codexritik. Problem : Click Here. You’re given the pointer to the head node of a linked list. Contribute to sknsht/HackerRank development by creating an account on GitHub. reverse-a-linked-list hackerrank Solution - Optimal, Correct and Working Change the next pointers of the nodes so that their order is reversed.