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21.Merge Two Sorted ListsMerge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists.Example:Input: 1->2-&gt...

2.Add Two NumbersYou are given twonon-emptylinked lists representing two non-negative integers. The digits are stored inreverse orderand each of their nodes contain a single digit. Add the two ...

141.Linked List CycleGiven a linked list, determine if it has a cycle in it.To represent a cycle in the given linked list, we use an integerposwhich represents the position (0-indexed)in the l...

206.Reverse Linked ListReverse a singly linked list.Example:Input: 1->2->3->4->5->NULLOutput: 5->4->3->2->1->NULLFollow up:A linked list can be reversed eit...

237.Delete Node in a Linked ListWrite a function to delete a node (except the tail) in a singly linked list, given only access to that node.Given linked list --head =[4,5,1,9], which looks like...