Linked List

Problem Statement: Given an array of k linked-lists, each linked-list is sorted in ascending order. Merge all the linked-lists into one sorted linked-list Examples Examples 1: Input Format: Lists:...

Problem Statement: Design and maintain a data structure that supports the following functions of a web browser: Browser (Homepage): Set homepage of the browser. Visit (Url): Visit the url from the...

Problem Statement: Given a linked list, sort its nodes based on the data value in them. Return the head of the sorted linked list. Examples Input: 3->4->2->1->5 Output: 1->2->3->4->5 Explanation: T...

Problem Statement: Given the head of a linked list, determine the length of a loop present in the linked list. If there's no loop present, return 0. Examples Input: Output: 3 Explanation: A cycle e...

Problem Statement: Given the head of a linked list of integers, delete the middle node of the linked list and return the modified head. However, if the linked list has an even number of nodes, dele...

LinkedList Series Overview Given below is the best-structured path to learn LinkedList with the best video tutorials, and at the same time practice problems which are asked in top tech giants like...

Problem Statement: Given a linked list, delete the kth element of the linked list and print the updated linked list. Note: K will always be between 1 and N, where N is the length of the LL. Example...

Problem Statement: Given a linked list, an integer K, and a value val, your task is to insert a new node with the given value val before the Kth node in the list. Examples Input: 0->1->2 , val = 5,...

Problem Statement: Given a linked list, an element e and a value val, your task is to insert a new node with data of e before the node with value val in the list. Examples Input: 0->1->2 , el = 5,...

Problem Statement: Given a linked list and an integer value val, insert a new node with that value at the beginning (before the head) of the list and return the updated linked list. Examples Input:...