Time complexity of insertion and deletion in linked list. LinkedList is faster than ArrayList for deletion.

Time complexity of insertion and deletion in linked list With linked list, we get worst case time complexity as O (1) for insertion and deletion. Unlike the dynamic array, insertion and deletion at any part of the list takes constant time. The time complexity of insertion is only O (1) if you already have a reference to the node you want to insert after. May 26, 2025 · Merge sort works well on linked lists due to its O (log N) space complexity for recursion and O (N log N) time complexity. Aug 27, 2025 · Time Complexity: O (n), where n is the number of nodes in the linked list. Structure: All nodes are connected in a circle, enabling continuous traversal without encountering NULL. Must traverse the list. One approach is to use a memory pool to allocate nodes, reducing the overhead of individual node allocations. For CopyOnWriteArraySet, the add (), remove () and contains () methods have O (n) average time complexity. Jul 14, 2020 · It is also easy to implement and very fast as the search, insert, delete operations have an expected time complexity of O (log (n)), along with O (n) expected space complexity. ) singly linked list by performing operations such as insertion, deletion, searching and provides results based on time complexity to decide which would be better and efficient for allocation of data. Assign some data to the data field of the new_node. Understanding these complexities will empower you to make in Oct 21, 2022 · Still, if the input for either an insert or delete action is not a node reference, but an index, or a node's value, then both have a time complexity of O (n): the list must be traversed to find the given index or the given value. In a doubly-linked list, both pointers are available in the node that is to be deleted. Jan 13, 2019 · Typically, when the O (1) time complexity is stated for insertion or deletion in a linked list, it is assumed that a pointer to the node in question is already known. and especially I am referring to Java. You must traverse the entire list to reach the last node where the new node will be added. I cover operations such a Linked lists have most of their benefit when it comes to the insertion and deletion of nodes in the list. Quicksort can also be applied but is less efficient for linked lists due to random access issues. Oct 16, 2024 · Efficient Insertions/Deletions: Adding or removing nodes can be done without shifting other elements. They also have the same other advantages, like space efficiency and dynamic sizing. Jul 23, 2025 · For insertion and deletion at a specific position in a doubly linked list we need to traverse from a head node to the specified node that can be time-consuming in case of larger lists. May 15, 2024 · The overall time complexity for the most operations like insertion at begining, insertion at end, deletion at begining and traversal is O (1) or O (n) where the n is number of the element in list. And the newly added node becomes the new head of DLL & maintaining a global variable for counting the total number of nodes at that time. For inserting an element at the end of a Linked List, I would think that it would take O (n) since it has to traverse to the end of the list in order to access the tail. Jul 23, 2025 · A linked list is a linear data structure where each element (called a node) is connected to the next one using pointers. • Linked lists have one serious drawback –Sequential scanning to locate a searched -for element –Time complexity of search is O(n) • Can improve search efficiency by dynamically organizing the list in a certain manner –Move-to-front method (i. In this article, we are going to take a look at the complexity analysis of common operations of linked lists. Jun 6, 2023 · Introduction In this blog post, we will see time complexity and delve into the average time complexities of various common data structures for insertion, deletion, and traversal operations. It mainly allows efficient insertion and deletion operations compared to arrays. It provides constant time complexity when it comes to insertion or deletion of element at any position. It doesn't say anything about any other data structure that you may choose to use. Therefore, it contains three parts of data, a pointer to the next node, and a pointer to the previous node. Master this essential data structure in DSA. Linear Linked List: Time and Space Complexity of Insertion and Deletion#LinkedList#LinearLinkedList#SinglyLinkedList#LinkedListAlgorithm#LinkedListProgrammin Learn about single linked lists, their structure, insertion/deletion operations, and real-world applications. - Space Complexity We shall now analyze the time and space complexity of the various operations that can be performed on a circular linked list, such as traversal, insertion, and deletion. com considering finding (Access) the position of the element before insert as separate operation. This is allowed by the problem statement. Am I missing something? website link I do this in C++, a Mar 18, 2024 · Complexity: In singly circular linked lists, insertion and deletion operations require updating references to maintain the circular structure, introducing moderate complexity compared to linear linked lists. On the other hand, acquisition of memory for the new inserted it Jun 11, 2025 · Introduction to Linked Lists Linked lists are a fundamental data structure in computer science, used to store a collection of elements in a dynamic and efficient manner. Jul 23, 2025 · Time Complexity: O (n), where n is the number of nodes in the given linked list. Just take a moment to stop reading and consider this: Insertion and deletion in linked lists already need constant time complexity, so it would be excellent if we could improve search performance for sorted linked lists. We then call the traversal function again with the next node passed as pointer Insert a node at a particular location How to insert a node at end? Implementations Complexity Reading time: 15 minutes | Coding time: 20 minutes Linked List is an efficient data structure to store data. Considering that for both linked list and array, inserting/deleting data from middle has O (n) complexity, why is linked list being preferred? Is array's O (n) (performing the operation) more costly than linked list's (indexing)? Edit: Unfortunately, I am confused even more before asking the question because there are people who support linked list's performance (they claim it just reads the Jan 4, 2022 · Linked list is a basic data structure that forms the foundation for many complex data structures like stacks and queues. 2 Ideal Skip Lists Suppose we have a sorted linked list with n keys. The question only says that the target list needs to be maintained in sorted order. Auxiliary Space: O (1), no extra space is required, so it is a constant. Apr 15, 2019 · We now have the primary actions of our data structure: delete, insert, and move (essentially delete & re-insert) elements in constant time. Also, you will find implementation of linked list operations in C/C++, Python and Java. Jul 23, 2025 · Linked List is basically chains of nodes where each node contains information such as data and a pointer to the next node in the chain. I cover operations such as insert at front, insert Jan 28, 2021 · Version 1: Let’s suppose that you want to delete a linked list node containing a specific value x from a singly or doubly-linked list, but you don’t know where in the list it is. In this article we will discuss how to search and delete an element from skip list. They are very common, b Sep 24, 2024 · Space Complexity: Linked lists are more space-efficient than arrays when the number of elements fluctuates. When they say insert or delete, its from the beginning of the linked list. However, when I look at a time complexity chart, it shows that the worst case for a Linked List Insert/Delete is O (1), while a Binary Tree is O (N). Dec 18, 2024 · In this article, we'll explore the time complexity of common linked list operations (such as traversal, insertion, deletion, and search) to better understand their performance characteristics. Auxiliary Space: O (n) [Expected Approach - 2] Using Iteration - O (n) Time and O (1) Space: The idea is to iteratively delete the list by starting from the head and moving towards the end. This Feb 17, 2021 · I am learning about linked lists, and trying to understand the time complexity behind insertion, deletion, reading and searching, and I am really confused with insertion. Explore the time and space complexity of common operations and the uses of circular linked lists in data structure. Traversal of a Doubly linked list Insertion of a node: This can be done in three ways: Nov 7, 2024 · Data structures are techniques for maintaining, manipulating, and storing data on a computer, enabling efficient access and modification. Each data structure is designed to meet specific needs and solve particular Question: 245-3- Analyze the time complexity of the following operations in singly and doubly linked list and discuss your findings:1-Insertion at the beginning, middle, and end2-Deletion from the beginning, middle andend3-Searching for an element May 2, 2013 · The problem assumes that the node to be deleted is known and a pointer to that node is available. A singly linked list whose nodes contain two fields: an integer value (data) and a link to the next node The following C language code demonstrates how to add a Jul 23, 2025 · The singly linked list is the simplest form of linked list in which the node contains two members data and a next pointer that stores the address of the next node. Deletion/insertion in a single linked list is implementation dependent. Access and search is O (N). In a linked list, both insertion and deletion have a constant time complexity, O(1). A Doubly Linked List is perfect for all of these things! Explore the time complexity of various operations on linked lists, including insertion, deletion, and traversal, to optimize your data structures. Nov 30, 2021 · For deletion in a singly linked list (if you have a pointer to the element to be deleted), you will have to find the previous element (for updating the pointers correctly) by going through the list and hence the time complexity of deletion in a singly linked list, in this case, is O (n). We start at the head node of the singly linked list, check if it is null or not and print its value. In this tutorial, you will learn different operations on a linked list. Sep 5, 2018 · The time complexity for ConcurrentSkipListSet is also O (log (n)) time, as it’s based in skip list data structure. So the time complexity for an action on a singly linked list depends very much on what the input is. With insertion, the new element can be inserted at any position by just updating the relevant nodes to reference the new node. 4. But how well do you really understand the time complexity for key operations like searching, insertion, and deletion? This comprehensive guide will break down linked list time complexities to give you an in-depth understanding of this vital topic. Use a temp variable to point to N-1th node. Double-linked lists solve this problem. The proposed solution first does some preprocessing of the arguments to insert, then does the insertion proper. The basic idea is if - Key of Apr 10, 2020 · In Sorted Array an Linked List you have to find the position where insert the new element O (n), then you have to shift other elements (O (n) in array, O (1) in linked lists), same complexity for deletion In Binary Search Trees, insertion/deletion operations takes all O (h) time, where h is the tree height. The time complexity is constant in this case, i. Please refer complete article on Linked List | Set 3 (Deleting a node) for more details! Feb 28, 2025 · Learn all differences between Array vs Linked List with an in-depth comparison, including performance, memory usage, and structure for optimal data storage. #dsawithpython what is Sep 4, 2024 · To delete a node after a specific node in a doubly linked list, we can use the following steps: Initialize a variable , say curr points to the node with the key value in the linked list. Uses: Ideal for Traversal of a Linked List Traversing a linked list means to go through the linked list by following the links from one node to the next. Nov 5, 2023 · But how well do you really understand the time complexity for key operations like searching, insertion, and deletion? This comprehensive guide will break down linked list time complexities to give you an in-depth understanding of this vital topic. For a sorted array, the insert operation will, by definition, insert an element at a specific point of the array. in next article, I will introduce a practical application of Skip List and explain how Twitter used Skip List to get a huge improvement in their search indexing latency. Feb 1, 2020 · Linked lists are a dynamic data structure, which can grow and shrink, allocating and deallocating memory while the program is running. It is the second most used data structure after arrays. Oct 14, 2011 · For an (unsorted) linked list, the list is by definition unsorted and therefore the sort order is irrelevant. Insertion or deletion at the end of a linked list requires traversing the entire list until reaching the last node. Then everything works out. Auxiliary Space: O (1) Traversal of Singly Linked List (Recursive Approach) We can also traverse the singly linked list using recursion. The insertion operations that do not require traversal have the time complexity of O(1). Jul 23, 2025 · Knowing the time and space complexity of linked lists is important for improving algorithms and applications that use them. In other words, the time complexity is how long a program takes to process a given input. Operations that can be performed on singly linked lists include insertion, deletion and traversal. Jun 14, 2022 · Thus if there are 1000 elements, and if the insert has to be done after the 999th Node, we would need to iterate over these 999 nodes, hence this insertion has the Time complexity of O (N), N being the number of elements in the circular linked list. The time complexity for removal is only O (1) for a doubly-linked list if you already have a reference to the node you want to remove. May 4, 2023 · 1 My understanding is that the worst case scenario for a binary tree is that it's completely unbalanced and equivalent to a linked list. Connect the next address field of new_node with the node pointed Mar 20, 2014 · Insertion on std::list is claimed to be constant time, regardless whether it is made in the front, middle or back of the container. This would enable us to Generally, insertion and deletion operations at the beginning of a singly linked list have a time complexity of O (1), while insertion and deletion operations at the end have a time complexity of O (n). Apr 18, 2012 · Both insertion and deletion in an ordered linked list is O(n) - since you first need to find what you want to delete/add [in deletion find the relevant node, and in insert - find the correct location of it] - which is O(n) - even if the list is ordered, because you need to get to this place while iterating from the head. I am studying data-structure: singly link list. More optimized for varying sizes. Unlike array, elements of linked list are stored in random memory locations. An efficient special type of list that allows fast insertion, deletion Apr 6, 2022 · Linked list is a dynamic data structure whose memory is allocated dyamically. We have presented space complexity of Linked List operations as well. Linked Lists: Dynamic memory allocation. What is a May 18, 2012 · ArrayList has direct references to every element in the list, so it can get the n-th element in constant time. The following diagram Linear Linked List: Time and Space Complexity of Insertion and Deletion#LinkedList#LinearLinkedList#SinglyLinkedList#LinkedListAlgorithm#LinkedListProgrammin Jul 7, 2024 · Time Complexity: All operations (search, insert, delete) have an expected time complexity of O (log n). Arrays: Finding the point of insertion/deletion O (1) Performing the insertion/deletion O (n) Linked Lists: Finding the point of insertion/deletion O (n) Performing the insertion/deletion O (1) I think the only time you wouldn't have to find the position is if you kept some sort of pointer to it (as with the head and the tail in some cases). Whereas in a singly-linked list, the 1. e. Dec 12, 2020 · What is your source for saying that "linked list being preferred" and "insertion and deletion faster in linked list"? This depends on the actual programming language you use. LinkedList has to traverse the list from the beginning to get to the n-th element. In both a singly- and doubly-linked list, you can then remove it in O (1) 🚀 time, so the overall Feb 6, 2019 · In order to understand the differences and similarities between Arrays and Linked List, we must first understand Big O and some of the different time complexity possibilities. Non-contiguous Memory Allocation: Nodes can be scattered throughout memory. In that case, you would have to traverse the list, starting at the beginning, until you found the node to remove. Nov 5, 2023 · Linked lists are one of the most fundamental and frequently used data structures in computer science. I am trying to list time complexities of operations of common data structures like Arrays, Binary Search Tree, Heap, Linked List, etc. Jul 16, 2024 · Linked Lists: O (n) time complexity. To read more about Deletion at specific position Refer, Delete a Linked List node at a given position 3. Search: As with most list structures, you need to traverse through potentially all elements to find a match. Unlike Arrays, Linked List elements are not stored at a contiguous location. x updates changed the time complexity of list operations?* Specifically, are the classic costs for random access, insertion, and deletion still valid today? Basic Operations Following are the basic operations that are done on any linked list : Insertion Deletion Insertion : We will consider the general case of insertion : Traverse to N-1 node in the list. LinkedList is faster than ArrayList for deletion. What is the time complexity improvement of skip lists from linked lists in insertion and deletion? a) O (n) to O (logn) where n is number of elements b) O (n) to O (1) where n is number of elements c) no change d) O (n) to O (n 2) where n is number of elements View Answer Sep 5, 2018 · The time complexity for ConcurrentSkipListSet is also O (log (n)) time, as it’s based in skip list data structure. Sep 19, 2025 · Delete the target node: The node to be deleted is now unreferenced, and in languages like C++ or Java, it can be safely deallocated. Since there is no need to re-shuffle items like arrays, the time complexity is O (1). Jul 9, 2024 · The complexity of delete and insert operations in a linked list being O (1) rather than O (n) can be a source of confusion for many. In this video, I go through Circular Linked Lists in detail using Java. , Most Recently Used) Learn about circular linked lists, a data structure for storing and manipulating collections of data in a circular sequence with efficient traversal in either direction. In this article, we will learn about the linked list, its types, representation of the linked list in C, and discuss what link list offers as compared to the similar data structures. Complexity for doubly linked lists Here is the best, worst, and average-case complexity for doubly linked list operations. Keywords—list, arraylist, linkedlist, data structure. Singly Linked Jul 26, 2025 · Time Complexity is a concept in computer science that deals with the quantification of the amount of time taken by a set of code or algorithm to process or run as a function of the amount of input. 26 For a doubly linked list, it's constant time to remove an element once you know where it is. Oct 21, 2025 · By Shifting head node to next node of head - O (1) Time and O (1) Space To remove the first node of a linked list, store the current head in a temporary variable (temp), move the head pointer to the next node, delete the temporary head node and finally , return the new head of the linked list. . Searching an element in Skip list Searching an element is very similar to approach for searching a spot for inserting an element in Skip list. Conclusion FAQs What is a Singly Linked List? How do you insert a node at the beginning of a Singly Linked List? What is the time complexity for searching an element in a Singly Linked List? How do you delete a node from a Singly Linked List? What are the advantages and disadvantages of using Singly Linked Lists? Jul 23, 2025 · Advantages of Linked List over arrays : Efficient insertion and deletion: Linked lists allow insertion and deletion in the middle in O (1) time, if we have a pointer to the target position, as only a few pointer changes are needed. Jul 23, 2025 · A skip list is a data structure that allows for efficient search, insertion and deletion of elements in a sorted list. This is because each level of the skip list contains fewer nodes, making it faster to traverse the list. Jul 12, 2025 · Add a node at the front of DLL: The new node is always added before the head of the given Linked List. This paper deals with the analysis of array list and linked list (i. Insertion (middle) and Deletion (middle): For these operations, we might need to traverse the list to find the position, resulting in O (n) time complexity. In a linked list, one item is connected to the next by a link thus forming a… Jul 23, 2025 · A linked list is a fundamental data structure in computer science. Traversal of linked lists is typically done to search for a specific node, and read or modify the node's content, remove the node, or insert a node right before or after that node. We then call the traversal function again with the next node passed as pointer The question only says that the target list needs to be maintained in sorted order. Sep 15, 2025 · A circular linked list is a data structure where the last node points back to the first node, forming a closed loop. Examples of data structure include arrays, linked lists, graphs, heaps, stacks, and queues. Mar 24, 2014 · I am a bit confused about time complexity of Linked Lists. Nov 3, 2023 · The time and space complexity of one-dimensional and two-dimensional array operations can vary depending on the specific operation. Singly linked lists contain nodes which have a 'value' field as well as 'next' field, which points to the next node in line of nodes. A practical reason to do this, rather than insert the elements then sort May 20, 2024 · Linked Lists: Use non-contiguous memory blocks, leading to better utilization of memory but requiring extra space for pointers. To insert/delete a node with a particular value in DLL (doubly linked list) entire list need to be traversed to find the location hence these operations should be O (n). bigocheatsheet. In order to delete a node and connect the previous and the next node together, you need to know their pointers. The website says singly linked list has a insertion and deletion time complexity of O(1). Insertion and deletion are O (1). Learn about single linked lists, their structure, insertion/deletion operations, and real-world applications. In contrast, arrays require O (n) time for insertion or deletion in the middle due to element shifting. Deletion at the End of Linked List Deletion at the end operation involves removing the last node of the Jul 15, 2025 · Time Complexity: O (n), where n is the number of nodes. Learn Linked Lists through animations, code and explanations. I understand this one. Here, we'll discuss common array operations and provide insights into their time and space complexities for one-dimensional and two-dimensional arrays. Jun 10, 2025 · By using caching, we can reduce the time complexity of Linked List operations from O (n) O(n) to O (1) O(1) in the best case. I wanted to know how this is possible ? Is it assumed Aug 13, 2025 · Yes, in a linked list, the time complexity for insertion/deletion at the head is O (1) which is different from insertion/ deletion at other positions which is O (N). In singly linked lists, for both insertion and deletion, you need a pointer to the element before the insertion/deletion point. Like arrays, it is also used to implement other data structures like stack, queue and deque. The flexibility and ease of implementation make skip lists an attractive alternative to more complex balanced tree structures in many scenarios. Characteristics: Dynamic size, efficient insertion/deletion at any position, but slower access. Jul 23, 2025 · Created Linked List: 2 3 1 7 Linked List after Deletion of 1: 2 3 7 Time Complexity: O (n), where n represents the length of the given linked list. , O (1). Jul 23, 2025 · Insertion in a linked list involves adding a new node at a specified position in the list. The efficiency of an algorithm depends on two parameters: Time Complexity Space Complexity Time Complexity We have presented the Time Complexity analysis of different operations in Linked List. ArrayList's slower since the internal backing-up array needs to be reallocated. And, an insertion that requires traversal has a time complexity of O(n). Learn Circular Linked Lists through animations, code and explanations. It is a popular data structure with a wide range of real-world applications. Difference from Regular Linked List: In a regular linked list, the last node points to NULL, whereas in a circular linked list, it points to the first node. Is there a way to speed this up? Let’s start by hypothesizing a sorted linked list with just 8 elements. Minimizing Memory Usage by Optimizing Node Allocation Optimizing node allocation is crucial to minimizing memory usage in Linked Lists. Auxiliary Space: O (1) 2. Array: Access - O (1) // we can get the element by index directly Insertion - O (n) // in the worst case we need to resize the array to have a space for the new element Linked list: Access - O (n) // we need to reach the element Insertion - O (1) // we need to just link Oct 21, 2024 · A doubly linked list has the same time complexity operations as a singly linked list. A linked list is a sequence of nodes, where each node contains a value and a reference (or link) to the next node in the sequence. Queues The final data structure we will look at, which is linked to linked lists (no pun intended), is a queue. It is a probabilistic data structure, meaning that its average time complexity is determined through a probabilistic analysis. It clears several misconceptions such that Time Complexity to access i-th element takes O(1) time but in reality, it takes O(√N * N) time. Aug 10, 2020 · dsawithpython Singly Linked List Time Complexity In this video lecture you are going to learn about Time Complexity of insertion,deletion at end in singly linked list. Therefore, these operations have a time complexity of O (n), where n is the number of nodes in the linked list. This structure allows for efficient insertion and deletion of elements at any position in the I understand that linked list insertions are constant time due to simple rearrangement of pointers but doesn't this require knowing the element from which you're doing the insert? And getting acce Dec 20, 2023 · Data Structure: Doubly linked list (each node points to the next and previous nodes). Where N is the position to insert. 2. Memory Allocation: Arrays: Requires upfront memory allocation. At each step, the function stores a reference to the next node, deletes the current node, and moves to the next node. Oct 28, 2023 · Time Complexity: Insertion at the end of a singly-linked list takes O (n) time. It is important to understand why this is the case in order to grasp the efficiency and power of linked lists. Doubly Linked List A doubly linked list or a two-way linked list is a more complex type of linked list that contains a pointer to the next as well as the previous node in sequence. For the question of "Here's a pointer to an element, how much does it take to delete it?", single-linked lists take O (N) since you have to search for the element that points to the element being deleted. A singly linked list whose nodes contain two fields: an integer value (data) and a link to the next node The following C language code demonstrates how to add a 6 days ago · A common question among developers (especially those transitioning from other languages or updating legacy code) is: *Have Python 3. Insert a node at a particular location How to insert a node at end? Implementations Complexity Reading time: 15 minutes | Coding time: 20 minutes Linked List is an efficient data structure to store data. Insertion and deletion of node are easily implemented in a linked list at any position. It is similar to that of singly linked list operations: Various linked list operations: Traverse, Insert and Deletion. Sep 30, 2024 · However, we are unable to do this with linked lists since they don’t have random access. Also, what do you mean with " (indexing)" in the context of a linked list? Oct 9, 2015 · https://www. But some of the answers I've seen says O (1)? The time complexity of the following operations on linked lists is O (n): insertion, deletion, and searching. They use dynamic memory allocation, which allows for flexible memory usage. Explore the time complexity of various operations on linked lists, including insertion, deletion, and traversal, to optimize your data structures. For a singly linked list, it's constant time to remove an element once you know where it and its predecessor are. If that's the case then how come STL list (most likely implemented using DLL) is able to provide these operations in constant time? Thanks everyone for making it clear to me. Apr 10, 2024 · Similarly, insertion and deletion operations in arrays have a time complexity of O (n), while linked lists offer constant-time insertion and deletion. They support various operations, such as insertion, deletion, updating, and sorting. Study with Quizlet and memorize flashcards containing terms like Worst Case Linked List Time Complexity: Insertion, Worst Case Linked List Time Complexity: Minimum Element, Worst Case Linked List Time Complexity: Traversal and more. There are several types of insertion based on the position where the new node is to be added: Dec 19, 2009 · 8 I've tried to confirm the running time for the insertion for Linked List and it seems like there are two different answers. Here’s the comparison of Linked List vs Arrays Linked List: Data Structure: Non-contiguous Memory Allocation: Typically allocated one by one to Aug 2, 2025 · In this blog, we will cover the introduction of linked list data structure, types of linked lists, real life examples of using linked list data structure, different operations performed on it along with its complexity analysis using space and time. By implementing skip lists in your projects, you can achieve logarithmic time complexity for key operations while maintaining a relatively simple codebase. In the linked list there is a head pointer, which points to the first element of the linked list, and if To see the answers for arrays and linked lists, you shouldn't need to do much more than think about how you would insert or delete an entry from the data structure. Apr 19, 2024 · In previous article Skip List | Set 2 (Insertion) we discussed the structure of skip nodes and how to insert an element in the skip list. Insertion and Deletion Operations Arrays: Inserting or deleting elements involves shifting elements, making these operations O (n) in complexity. Sep 6, 2025 · The dynamic sized arrays allow flexible size, but the worst case time complexity for insertion/deletion at the end becomes more than O (1). The time complexity of the following operations on linked lists is O (1): accessing an element by its index and traversing the list. Clearly it takes O(n) time to find, insert and delete (insertion and deletion since we must find first). In this article here it states that insertion and deletion in a linked list is O(1). In this video, I go through Singly Linked Lists in detail using Java. tyeg efxhc uhoyvjb pdpjn wgxv laxdm khz epnvpzw rnobgm bag iaboxu ogxwc hqogrx mbjeecs ximlv