In this post, one more simple method to clone a linked list is discussed. 2402 1530 Add to List Share. 1. Clone a Linked List: Write a function that takes a singly linked list and returns a complete copy of that list.. Below is algorithm. We have already discussed 2 different ways to clone a linked list. Clone a linked list with next and random pointer | Set 2 Last Updated: 08-09-2020. A linked list is given such that each node contains an additional random pointer which could point to any node in the list or null. The idea is to use Hashing. Clone a linked list with next and random pointer | Set 2. Return a deep copy of the list. Clone a linked list with next and random pointer in O(1) space Last Updated: 03-04-2020. Clone Graph. Curated List of Top 75 LeetCode. GitHub Gist: instantly share code, notes, and snippets. … Each node in the graph contains a val (int) and a list (List[Node]) of its neighbors. The idea is to iterate over the original list in the usual way and maintain two pointers to keep track of the new list: one head pointer, and one tail pointer which always points to the last node in new list The first one points to the next node of the list, however, the other pointer is random and can point to any node of the list. Given a reference of a node in a connected undirected graph. Return a deep copy (clone) of the graph. Write a program that clones the given list in O(1) space, i.e., without any extra space. Attention reader! Please write comments if you find anything incorrect, or you want to share more information about the topic discussed above. Asked by Varun Bhatia. Time Complexity: O(n) Auxiliary Space: O(1) Refer Following Post for Hashing based Implementation. Recommended: Please solve it on “PRACTICE” first, before moving on to the solution. Medium. Java Solution 1. Clone a linked list with next and random pointer in O(1) space. Given a linked list having two pointers in each node.