Linked list search complexity is mcq. Linear search b) Binary search c) Both d) None.

Linked list search complexity is mcq Linked List. If the element is at the end of the linked list, we have to traverse through all the linked list elements. You just have to solve these questions regularly, Practice each questions repeatedly and clarify your doubts as soon as possible. Top MCQs on Advance Data Structure with Answers Quiz will help you to test and validate your DSA Quiz knowledge. Doubly linked list MCQs; Simple queue, circular queue, priority queue, deque MCQs; Lets connect with Us. For any node, if the value is equal to key, then return true. The time complexity of adding two linked list is O(max(n, m)), where n and m are the lengths of the two linked lists, respectively. What is the time complexity for inserting a node at the end of a linked list? A) O(1) if you maintain a tail pointer Circular linked list MCQs; Search for: Search. This post comprising of objective questions and answers related to “Single Linked Listed MCQs (Data Structure ) mcqs “. So, Bubble sort is slowest. b) Top MCQs on Linked List Data Structure with Answers Quiz will help you to test and validate your DSA Quiz knowledge. b) Unordered Array. 9. However, good linked list libraries would account for the most common uses, and special case accessing the last node. List Three Things 1. We have presented space complexity of A linked list is a linear data structure where each element is a separate object. P3: Last Node points to the NULL. The correct answer is 4 Key Points In a doubly linked list, to insert a node in between two existing nodes, you'd have to update the following pointers:. 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. In Linked List implementation, a node This Hash Tables MCQs and answer with FREE PDF contains multiple choice questions and answers on hash tables, direct addressing tables, hash tables chaining using linked lists, doubly linked lists, binary trees and list heads, hash tables with linear and quadratic probing, hashing functions, hash tree, min hash and double hashing. e. Linked This set of Data Structure Multiple Choice Questions & Answers (MCQs) focuses on “Stack using Linked List”. 19. This set of Data Structure Multiple Choice Questions & Answers (MCQs) focuses on “Circular Linked List”. It covers a variety of questions, from basic to What is a linked list? A) A collection of elements stored in contiguous memory locations B) A data structure consisting of nodes where each node contains a data field and a These Multiple Choice Questions (mcq) should be practiced to improve the Data Structure skills required for various interviews (campus interview, walk-in interview, company interview), MCQs on linked lists cover topics such as linked list types (singly linked list, doubly linked list), linked list operations (insertion, deletion, traversal), linked list Answer 25 questions in 17 minute/s. Linear search MCQs; Binary search MCQs; Interpolation search MCQs; Miscellaneous. predecessor node 13) A. খ. 15. Arrays. What is the best case time complexity of deleting a node in a Singly Linked list? a) O (n) b) O (n 2) c) O (nlogn) d) O (1) Answer: d Explanation: Deleting the head node of a linked list is considered the best case in terms of time complexity because it involves constant-time operations. It covers a variety of questions, from basic to advanced. [Updated 2024] Embark on an in-depth journey into the world of Linked Lists with our comprehensive MCQ course, tailored for both beginners and experienced programmers. ঘ. Tree. Which is the time complexity of f1() and f2()? The Test: Linked List questions and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for 14. So the Quiz: Link List MCQ - Link List MCQ Share. We have the best 1. Option 2: Graph. With what data structure can a priority queue be implemented? a) Array b) List c) Heap d) Tree Answer: c Explanation: A priority queue can indeed be implemented using various data structures such as an array, a linked list, a binary search tree, or a heap. O(1) O(n) O(n^2) O(logn) Answer Time Complexity: O(N), where N is the number of nodes in the linked list. Which of the following is false about a doubly linked list?a) We can navigate in both the directionsb) It requires more space than a singly linked listc) The insertion and deletion of a node take a bit longerd) Implementing a doubly linked list is easier than singly linked listAnswer: dExplanation: A doubly linked list Depth First Search (DFS) Multiple Choice MCQ. Get Singly Linked List Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. What would be the asymptotic time complexity to insert an element at the second position in the linked list? A _____ linked list is a linked list structure in which each node has a pointer to both its successor and predecessor. Which of the following statement is true? i) Using singly linked lists and circular list, it is not possible to traverse the 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). o(n2) D. Insertion in singly linked list after specified Node In order to insert an element after the specified number of nodes into the linked list, we need to skip the desired number of elements in the list to move the pointer at the position after which the Time complexity MCQs; Space complexity MCQs; Big O, Big Ω, Big Θ notations MCQs; Linear Data Structures MCQs. The linked list pointers do not provide an efficient way to search an item in the linked list c) Linked list pointers Given a Linked List, the task is to insert a new node in this given Linked List at the following positions: At the front of the linked list Before a given node. A _____ linked list is a linked list which always contains a special node, called the header node. Sentinel 16) D. B 3 Explanation: We know the head node in the given linked list. These Stack using Linked List Questions and Answer will help you prepare These 500+ Binary Trees MCQs with FREE PDF contains Questions and Answers on binary trees using arrays and linked lists, preorder, postorder and inorder traversal, avl tree, binary tree properties and operations, cartesian tree, weight balanced tree, red black and splay trees, threaded binary tree and binary search trees, aa tree, top tree, treap, tango The sections contains MCQs on depth first search, non recursive dfs, branch and bound, breadth first search and best first search. What would be the time complexity to find an element in the linked list? O(1) O(n) O(n^2) O(n^4) Ans. Auxiliary Space: O(n), due to recursive call stack where n represents the length of the given linked list. o(n) Explanation: as a linked list takes o(n) time for getting reversed thus linked list version of In the worst case, if the BST becomes unbalanced (like a linked list), the time complexity degrades to O(n). ; Store the head pointer in a variable, say temp. When you pass the index to your element in a single linked list you have to traverse all the elements up to the one you are looking for (except when it's the end node, which is usually stored as a reference in your list object/structure). At a specific position. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Array Since linked lists do not support direct access to elements (like arrays do with indexing), we must traverse from the head node to the last node, resulting in a time complexity of O(n), where n is the number of elements in the list. The idea is to use i nbuilt doubly linked list, it simplifies the implementation by avoiding the need to manually manage a doubly linked list while achieving efficient operations. . ; Doubly Linked XOR List: A doubly XOR linked list is a Learn Data Structures and Algorithms using c, C++ and Java in simple and easy steps starting from basic to advanced concepts with examples including Algorithms, Data Structures, Array, Linked List, Doubly Linked List, Circular List, Stack, Parsing Expression, Queue, Priority queue, Tree, Binary Search Tree, B+, AVL, Spanning, Tower of Hanoi, Hash Table, Heap, Graph, The binary search algorithm repeatedly divides the search space in half, significantly reducing the number of elements to search. Insertion after specified node. Answer: a) Stack. One problem with this type of list is? A _____ linked list is a linked list structure in which each node has a pointer to both its successor and predecessor. The Data structure used in standard implementation of Breadth First Search is? a) Stack b) Queue c) Linked List d) Tree 4. One-dimensional arrays MCQs; Multi-dimensional arrays MCQs; Operations: traversal, insertion, deletion MCQs; Linked Lists MCQs. next next b. Stack operations (push, pop, peek) MCQs; Applications of stacks (expression evaluation, recursion) MCQs; Linked Lists Practice Quiz - 1 for GATE 2025 is part of GATE preparation. Auxiliary Space: O(n), n is the space required to store the value in the hash set. Therefore, the correct answer is option A which states that the code deletes the current node from the linked list. The 'next' pointer from the previous node needs to point to the new node. ANSWER: B. Answer: c) Ordered Array. To insert a node at the end of the single linked list c) Linked List d) Tree. MCQs on Linked List; Linked List Tutorial; Types of Linked List; Singly Linked List; Traversal of a Doubly linked list: Time Complexity: O(n) Space Complexity: O(1) Insertion of a node at the beginning: Search an element in a Doubly Linked List Given a Doubly linked list(DLL) containing n nodes and an integer x, the task is to find the To delete a node at the beginning in doubly linked list, we can use the following steps: Check if the list is empty, there is nothing to delete, return. In a circular linked list What would be the asymptotic time complexity to find an element in the linked list? a) O(1) b) O(n) c) O(n 2) d) None View Answer / Hide Answer. Time complexity MCQs; Space complexity MCQs; Big O, Big Ω, Big Θ notations MCQs; Linear Data Structures MCQs. Download these Free Circular Linked List MCQ Quiz Pdf and prepare for your upcoming exams Like Banking, SSC, Railway, UPSC, State PSC. Thus, the search operation in a linked list has a worst-case time complexity of O(n). Stack operations (push, pop, peek) MCQs; Applications of stacks (expression evaluation, recursion) MCQs; 5. T(n)=T(n/2)+k, where k is constant A list of integers is read in, one at a time, and a binary search tree is constructed. Linked List can be defined as collection of objects called nodes that are randomly stored in the memory. Answer: d) Binary search property What is the time complexity of searching for an element in a Binary Search Tree (BST) with Singly linked list MCQs; Doubly linked list MCQs; Circular linked list MCQs; Stacks MCQs. This pointer marks the beginning of the linked list. Data Structure MCQ - Complexity. Stack operations (push, pop, peek) MCQs Output: Yes. The time complexity is O(1) because there is just one comparison made. The worst-case time complexity to search an element in the linked list is O(n) because if we have to find the last element then we need to Output: Yes. What is the worst-case time complexity of a binary This set of Data Structure Multiple Choice Questions & Answers (MCQs) focuses on “Skip List”. ; Update the head of linked list to the node next to the current head, head = head->next. 4) Retrieval operation is fastest in which data structure We can easily concatenate two lists in O (1) time using singly or doubly linked list, provided that we have a pointer to the last node at least one of the lists. [Expected Approach] Using Floyd’s Cycle-Finding Algorithm – O(n) Time and O(1) Space. Representation of Circular Linked The time complexity for the Inserting at the end depends if you have the location of the last node, if you do, it would be O(1) other wise you will have to search through the linked list and the time complexity would jump to O(n). You just have to know how to practice it – we will help you understand the right ways – the various examples and the different methods – we have described all of these – we hope that we will pass on our learning experience to you so that you may also Data Structure MCQ - Linked List. 6. Accessing an element by its index in a linked list takes O(n) time because linked lists do not provide direct access to elements. Dynamic memory allocation MCQs; Garbage collection MCQs; mcq sure, here are 10 questions for each of the topics you provided, along with four options and the correct answers: loop detection in linked list, loop. Memory Management in data structures MCQs. first record of the actual data 11) A. Then, traverse to the kth node . Singly linked list MCQs; Doubly linked list MCQs; Circular linked list MCQs; Stacks MCQs. small batches of records from a file 15) B. Singly linked list MCQs; Doubly linked list MCQs; Circular linked list MCQs; Stacks MCQs Abstract Data Types (ADT) MCQs; Complexity Analysis MCQs . Head: The Head of a linked list is a pointer to the first node or reference of the first node of linked list. In a binary tree, what is the maximum number of children a node can have? a) 0 b) 1 c) 2 d) 3. 2) Linear search b) Binary search c) Both d) None. In Circular list we can come back to same element within time complexity. "A head G null The nodes in the linked list are implemented using the following class: class Node char val; Node next; 1 a. Otherwise, recursively search the Test your Linked Lists knowledge with our MCQ - Insert at end practice problem. The Test: Array & Linked List MCQs are made for Computer Science Engineering (CSE) 2024 Exam. Time Complexity of Breadth First Search is? (V – number of vertices, E – number of edges) a) O(V + E) b) O(V) c) O(E) d) O(V*E) 3. View Question Marks 2. This set of Data Structure Multiple Choice Questions & Answers (MCQs) focuses on “Linked Lists”, covering topics such as linked list operations, singly linked lists, doubly linked lists, and circular linked lists. [] The worst case complexity of deleting any arbitrary node value element from heap is Which of the following is false about a doubly linked list? If in a linked list address of first node is 1020 then what will be the address of node at 5th position ? To insert a new node in linked list free node will be available in _____. Test your knowledge with important Breadth First Search MCQ and their applications. Master DSA and also get 90% fee refund on completing 90% course in 90 days! Take the Three 90 Challenge today. We are given the head pointers of two linked lists. Advanced Data Structure MCQ (Multiple Choice Questions) with Introduction, Asymptotic Analysis, Array, Pointer, Structure, Singly Linked List, Doubly Linked List, Graph, Tree, B Tree, B+ Tree, Avl Tree etc. We start at the head node of the singly linked list, check if it is null or not and print its value. The Breadth First Search traversal of a graph will result into? a) Linked List b) Tree This set of Data Structures & Algorithms Multiple Choice Questions & Answers (MCQs) focuses on “Non-recursive Depth First Search”. Singly linked list MCQs; Doubly linked list MCQs; Circular linked list MCQs; Stacks MCQs Two fields 10) A. This idea is to use Floyd’s Cycle-Finding Algorithm to find a loop in a linked list. Understanding Node Structure. In this post, you'll find lot of practice questions on recursion which test how well you understand this concept. Auxiliary Space: O(1) Traversal of Singly Linked List (Recursive Approach) We can also traverse the singly linked list using recursion. Linked list search is O(n) due to linear traversal without indexes. What is a data structure? a) A programming language b) A collection of algorithms c) A way to store and organize data d) A type of computer hardware Hence, accessing elements in an array is fast with a constant time complexity of O(1). b) Doubly linked list. List three differences between an array and a linked list. circular linked list Related Posts • Solved MCQ on Stack and Queue in Data Structure set-1 In the worst case, the number of comparisons needed to search a singly linked list of length n for a given element is . Skip to document. These MCQs are beneficial for competitive exams too. Stack operations (push, pop, peek) MCQs What is the time complexity of traversing a linked list? A) O(1) B) O(n) C) O(log n) D) O(n^2) Answer: B) O(n) Linear search MCQs; Binary search MCQs; Interpolation search MCQs; Miscellaneous. Auxiliary Space: O(n), for recursive call stack where n represents the length of the given linked list. As we traverse the linked list, for each node, we check if its value is already in the hash set. singly linked list 19) B. RSS linked list; Search in a Rotated Sorted Array; Sort an array of 0s, 1s and 2s | Dutch National Flag problem What is the time complexity of inserting an element into a sorted linked list? a) O(1) b) O(log n) c) O(n) d) O(n log n) Answer: c) O(n) Explanation: Inserting an element into a sorted linked list has a time complexity of O(n) because it requires traversing the list to find the correct insertion point. Data: Data is the part of node which stores the information in the linked list. GATE CSE 2018. The structure of the circular linked list node is same as that of singly linked list. What is the advantage of using a doubly linked list for chaining over singly linked list? a) it takes less memory b) it is easy to implement c) it makes the process of insertion and deletion faster d) it causes less collisions View Answer This set of Data Structure Multiple Choice Questions & Answers (MCQs) focuses on “Linear Search”. University; High School; Books; Discovery. What is the time complexity of a binary search in an array of n elements? a) O(1) b) O(log n) c) O(n) d) O(n^2) Answer: b) O(log n) 6. LinkedHashSet additionally creates a linked list that indicates the order of the elements in terms of insertion. After a given node. Complexity = Traversing list and then free last node and keep track of Tail pointer = O(n) Download Solution PDF. ; A node contains two fields i. Linked List MCQ; Application of Linked List; Binary search 7. Share on Whatsapp Singly linked list: Search “m”: In this case, node m is not present in the list. 8. Abstract Data Types (ADT) MCQs; Complexity Analysis MCQs . In this approach, we can use a hash set to keep track of the values (nodes) that have already been seen. What differentiates a circular linked list from a normal linked list? a) You cannot have the ‘next’ pointer point to null in a circular linked list 6. To search a linked list, you are going to iterate over each item in the list. Output: Yes. Please refer complete article on Search an element in a Linked List (Iterative and Recursive) for more details! +1 for the very detailed yet understandable explenation of @rici. considering that the set is implemented as a Binary Search tree where the cost of searching an element is O(logn) in worst case. Which of the following variation of the linked list can be used? a) Singly linked list. We can traverse the whole circular linked list by starting from any point: Related MCQs. | Total Questions in This Set: 17 minute/s. T(n) = T(n/2) + c India’s #1 Learning Platform Linked list is HDS but not finite because linked list size is decided on Run time. Linked Lists support efficient insertion and deletion operations. Each node of a list is made up of two items - the data and a reference to the next node. Test your knowledge with important Depth First Search (DFS) Multiple Choice MCQ and their applications. To access nth element of a linked list, time complexity is O(n). ; If the new head is not NULL, update the previous pointer of new head to NULL, Data Structure MCQ . What would be the asymptotic time complexity to insert an element at the second position in the linked list? a) O(1) b) O(n) c) O(n2) d) O(n3) Answer: O(1) 7. Auxiliary Space: O(1) Search an element in a Linked List (Recursive Approach) – O(N) Time and O(N) Space: The idea is to recursively traverse all the nodes starting from the head of linked list. Auxiliary Space: O(1) 2. The time complexity of inserting an element into an array at the beginning is O(1)O(1)O(1). Maintaining the tail pointer helps because we don't have to traverse the complete list every time. A queue is implemented using a non The recurrence relation that arises in relation with the complexity of binary search is. Which of the following variation of the linked list can 1. The entry point into a linked list is called the head of the list. 5. If you run the above code with this loop: Depth First Search (DFS) Multiple Choice Questions and Answers ; Data Structure Questions and Answers – Binary Search Tree ; Data Structure Questions and Answers – Topological Sort ; Data Structure Questions and This set of Data Structure Multiple Choice Questions & Answers (MCQs) focuses on “Xor Linked List”. The Test: Array & Linked List questions and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Hence, accessing elements in an array is fast with a constant time complexity of O(1). Which of the following data structure is used to implement DFS? a) linked list b) tree c) stack d) queue View Answer Explanation: Quick sort, Heap sort and Shell sort all have best case time complexity as O(n log n) and Bubble sort has time complexity of O(n2). Auxiliary Space: O(1) [Expected Approach] By changing pointer of kth node – O(n) Time and O(1) Space The idea is to first convert the linked list to circular linked list by updating the next pointer of last node to the head of linked list. Hashtable creates the structure chaining or linked list of elements with same hash value. A n No, you cannot search in Linked list within O(1) complexity. In the worst case, if the BST becomes unbalanced (like a linked list), the time complexity degrades to O(n). Linked list elements are not stored at contiguous location; the elements are linked using pointers. Insert a Node at Time Complexity: O(N), Where N is the number of nodes in the Linked List. a) Components are all linked together in some sequential manner. What kind of linked list is best to answer questions like “What is the item at position n?” a) Singly linked list b) Doubly linked list c) Circular linked list d) Array implementation of linked list View Answer Time complexity of inserting a new node at the head of the list is O(1) C. o(log n) Answer» A. A linked list of coordinates is given, with neighboring points forming either a vertical or horizontal line. Compared to singly liked list which has only a ‘next’ pointer, doubly linked list requires extra space to store this extra pointer. The last node has a reference to null. The concatenation of two lists can be performed in O(1) time. Test your knowledge, expand your horizons, and The time complexity for searching an element in a Linked List is O(n), where ‘n’ is the number of elements in the list. TIme complexity for deleting the first node is O(N). 4. Which data structure uses pointers for sequential access? a) Stack b) Queue c) Linked List d) Tree. However, for a well-balanced tree, the search complexity remains O(log n). This section focuses on the "Linked List" of the Data Structure. Doubly Linked List. c) Circular C Program to Implement Depth First Search Traversal using Post Order ; Java Program to Implement Depth Limited Search ; Python Program to Implement Depth First Search on a Graph without Recursion ; Randomized Binary c) Linked List d) Tree. Answer: c) Linked List. What is the space complexity of Merge Sort for a doubly linked list? A) O(n) B) O(n log n) C) O(log n) This post presents 50 multiple-choice questions (MCQs) designed for professionals and engineering students to test their understanding of DSA Data Structures and Algorithms. Linked Lists Data Structures and Algorithms. matrix multiplication, gcd and lcm using recursion, decimal to binary conversions, length of a string, array, Answer: d Explanation: Heap is not used to represent Sparse Matrix while in Dictionary, rows and column numbers are used as Keys and values as Matrix entries, Linked List is used with each node of Four fields (Row, Column, Value, Next Node) (2D array is used to represent the Sparse Matrix with three fields (Row, Column, Value). As wise people believe This will construct a LinkedHashSet, which time-complexity of insertion, deletion and finding is O(1). List three operations you can perform on a stack. Dive into the world of linked-lists challenges at CodeChef. When the head node is deleted, the head pointer is updated to point to the next We have presented the Time Complexity analysis of different operations in Linked List. Time Complexity of Breadth First Search is? What is the space complexity of depth-first search (DFS) in a graph with n nodes and e edges using recursion? a) O(n) b) O(e) c) O(n + e) d) O(n^2) Doubly linked list MCQs; Circular linked list MCQs; Stacks MCQs. What is a Linked List in data structure? A) It is a linear data structure where each element is In a circular linked list. List 14) A. This set of Data Structure Multiple Choice Questions & Answers (MCQs) focuses on “Queue using Linked List”. Java MCQ: What is the time complexity of searching for an element in a Linked List? A) O(1) B) O(log n) C) O(n) D) O(n log n) Answer: C) O(n) Explanation: The time complexity for searching an element in a Linked List is O(n), where ‘n’ A linked list is as such, a list of items that are linked together by a means such as a pointer. middle 18) A. Related Posts. In other words, the time Previous Previous post: 100+ Queue Linked List Question and Answer – Data Structure MCQs Next Next post: 100+ Singly Linked List MCQ Questions and Answers Search Time Complexity : get(key) – O(1) and put(key, value) – O(1) Auxiliary Space : O(capacity) Using I nbuilt Doubly Linked List. A circular linked list is a variation of a singly linked list where the last node points back to the first node, forming a circle. Where is linear searching used? a) When the list has only a few elements b) When performing a single search in an unordered list c) Used 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. A : O(1) B : O(n) C : Either O(1) or O(n) D : O(logn) Click to view Correct Answer Data Structure Search Element Array Recursion 1. Linked List MCQ - Multiple Choice Questions and Answers Author: Ramesh Fadatare. P3: The difference between the heights of left and right subtrees for any node cannot be more than one. One other thing - search in double linked lists is omho easier. Examples: Input: Linked List 1->2->3Output: A Balanced BST 2 / \ 1 3 Input: Linked List 1->2->3->4->5->6- Doubly Linked List is a type of linked list in which each node contains a data This set of Data Structure Multiple Choice Questions & Answers (MCQs) focuses on “Singly Linked Lists Operations – 2”. A big-O notation stands for the upper bounds or the worst case scenario. dequeue 17) A. Which of the following variant of a hash table has the best cache performance? a) hash table using a linked list for separate chaining b) hash table using binary search tree for separate chaining MCQ on Recursion. Which sorting algorithm can sort a random linked list with minimum time complexity? Insertion Sort; Quick Sort; Heap Sort; Merge It does not delete any node from the linked list. The Test: Linked List MCQs are made for Computer Science Engineering (CSE) 2025 Exam. Check out the MCQs below to embark on an enriching journey through Linked Lists. Linked list insertion is O Time Complexity: O(n^2), Due to two nested loops Auxiliary Space: O(1) [Expected Approach] Using HashSet – O(n) Time and O(n) Space. The most time this will take, will be T(n) where n is the length of your list. This set of Data Structures & Algorithms Multiple Choice Questions & Answers (MCQs) focuses on “Hash Tables Chaining with Binary Trees”. Explore 30 + more Depth First Search (DFS) Multiple Choice MCQs at Bissoy. Most online resources list a linked list’s average insertion time as O(1): A variation of linked list is circular linked list, in which the last node in the list points to first node of the list. Perform binary search. 3. In this type of list, each node stores the XOR of the memory address of the next node and the memory address of the current node. o(n log n) C. In the best-case scenario, where the target element is at the middle position, the algorithm finds the target in a constant number of steps, resulting in a time complexity of O(log n). On the diagram, circle the node specified by the expression head. The 'prev' pointer of the new node needs to point to the previous node. B 2. 2. A variation of linked list is circular linked list, in which the last node in the list points to first node of the list. This is in contrast to arrays, which allow O(1) access to elements by their index. Using algorithms like AVL trees or Red-Black trees can help maintain balance in a BST and preserve the O(log n) search complexity. To access the i-th element, you need to traverse the list from the head node, which requires linear time. However, the most efficient implementation is typically the heap, specifically a binary heap, because it Answer: d Explanation: A doubly linked list has two pointers ‘left’ and ‘right’ which enable it to traverse in either direction. data stored at that particular address and the pointer which contains the address of the next node in the memory. c) Ordered Array. Garbage collection 20) B. But in case of circular doubly linked lists, we will break the link in both Thus, the asymptotic time complexity for inserting an element in the second position of the linked list is O(1). Node: Linked List consists of a series of nodes where each node has two parts: data and next pointer. Graph with back edges. The important part is the difference between this data structure and your typical HashSet. 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. The Linked Lists Practice Quiz - 1 MCQs are made for GATE 2025 Exam. In linked list implementation of queue, if only front pointer is maintained, which of the following operation take worst case linear time? a) Insertion b) Deletion c) To empty a queue d) Both Insertion and To empty a queue View Answer Time complexity: O(n), where n is the number of nodes in the Linked List. There is no way to jump directly to an arbitrary node as you can with arrays using indexes. In this case, we need These Singly Linked List MCQ Questions and Answers will provide you the best source to prepare for any exam. What is the best case time complexity of deleting a node in a Singly Linked list? MCQs on Linked list with answers 1. Consider the 2-level skip list The access to 38 is by travel 20-30-35-38 in the 2-level skip list. Link field 12) B. By practicing these MCQs of Single Linked List MCQs (Data Structure ) MCQs – Latest Competitive MCQs , an individual for exams performs better than before. Which data structure is most suitable for binary search? a) Linked List. * What is the time complexity of the program to reverse stack when linked list is used for its implementation? A. Next the tree is traversed and the integers are printed. See Answer. Time Complexity of Adding 2 Linked Lists. What differentiates a circular linked list from a normal linked list?a) You cannot have the ‘next’ pointer point to null in a circular linked listb) It is faster to traverse the circular linked listc) In a circular linked list, each node points to the previous node instead of the next noded) Head node is 1. List three common applications of a graph data structure. Please refer complete article on Search an element in a Linked List (Iterative and Recursive) for more details! Quiz On Circular Linked List Quiz will help you to test and validate your DSA Quiz knowledge. The quiz contains 10 questions. Time Complexity: O(n * k), where n is the number of nodes in Linked List and k is the number of rotations. This means there is no NULL at the end, and the list can be traversed in a circular manner. The time complexity of Binary Search can be written as. These Multiple Choice Questions (mcq) should be practiced to improve the Data Structure skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations. If we want to concatenate two linked lists, which of the following will require O(1 Linked List Search Time Complexity. In Depth First Search, how many times a node is visited? 300+ Linked List Interview Questions and Answers MCQ Practice Test Quiz with Detailed Explanations. What would be the asymptotic time complexity to insert an element at the front of the linked list (head is known)? Which of the following sorting algorithms can be used to sort a random linked list with minimum time complexity? Insertion Sort Heap Sort Merge Sort Quick Sort. log(2*n) Top MCQs on Linked List Data Structure with Answers,Top 50 Data Structures MCQs with Answers. These Stack using Linked List Questions and Answer will help you to grasp the fundamentals and clear the fundamentals exam with brilliant marks. Recursion is very important concept in computer science. What is direct addressing? What is the search complexity in direct addressing? a) O(n) b) O(logn) c) O(nlogn) d) O(1) (MCQs) Hash Tables Chaining with List Heads Multiple Choice Top MCQs on Queue Data Structure with Answers Quiz will help you to test and validate your DSA Quiz knowledge. গ. Singly linked list MCQs; Singly Linked XOR List: A singly XOR linked list is a variation of the XOR linked list that uses the XOR operation to store the memory address of the next node in a singly linked list. The next of the last node is null, indicating the end of the list. It uses two pointers slow and fast, fast Get Searching Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. In a binary tree, what is the maximum number of children a node can Data Structure MCQ : In this section, we have to discuss about 30 Basic data structure/basic of array objective type questions and answers/ Array multiple choice questions/Data structure MCQ questions pdf download/Data structure MCQ question and answer/ Data structures and algorithm MCQ questions/ Data structure mcqs for placement questions Time complexity MCQs; Space complexity MCQs; Big O, Big Ω, Big Θ notations MCQs; Linear Data Structures MCQs -dimensional arrays MCQs; Operations: traversal, insertion, deletion MCQs; Linked Lists MCQs. This section focuses on the "Complexity" of the Data Structure. At the end of the linked list. Linked List supports Sequential Access, which means to access any element/node in a linked list, we have to sequentially traverse the complete linked list, upto that element. However, for a well-balanced tree, the search complexity What is the worst case time complexity of inserting n elements into an empty linked list, if the linked list needs to be maintained in sorted order? In the worst case, the number of comparisons needed to search a singly linked list of length n for a given element is . Which of the following algorithm can be used to detect a cycle in a singly linked list? Linked List. A singly linked list is a fundamental data structure, it consists of nodes where each node contains a data field and a reference to the next node in the linked list. Time Complexity: O(n), where n represents the length of the given linked list. Please refer complete article on Search an element in a Linked List (Iterative and Recursive) for more details! The diagram below shows a linked list of characters, along with two variables that each stores a reference/pointer to one of the nodes in the list. Focused on key subjects such as arrays, linked lists, stacks, queues, trees, and graphs, these MCQs aim to help students and professionals build a strong foundation in data Data Structure MCQ (Multiple Choice Questions) with Introduction, Asymptotic Analysis, Array, Pointer, Structure, Singly Linked List, Doubly Linked List, Graph, Tree, B Tree, B+ Tree, Avl Tree etc. Answer: c) 2. The AVL tree must be a Binary Search Tree. Single Linked List Data Structure MCQS Questions & Answers. What kind of linked list is best to answer questions like “What is the item at position n?”a) Singly linked listb) Doubly linked listc) Circular linked listd) Array implementation of linked listAnswer: dExplanation: Arrays allow random access to elements by directly using an index value within square brackets, which makes accessing an element very Consider a Single Linked List contains N nodes (N > 8), a method f1() is designed to find the 8th node from beginning, and method f2() is designed to find the 8th node from end. d) Hash Table. Maintaining more pointers help in general complexity improvements. Time complexity for deleting the last node is O(n) D. The time complexity for searching an element in a Linked List is O(n) as in the worst case we need to traverse through all the elements. Searching for a node in a linked list requires starting at the head and traversing node by node until finding a match. What is xor linked list? a) uses of bitwise XOR operation to decrease storage requirements for doubly linked lists What is the worst-case time complexity for searching in a binary search tree? A) O(1) B) O(log n) C) O(n) D) O(n log n) Linked list C) Both A and B D) None of the above Singly linked list MCQs; Doubly linked list MCQs; Circular linked list MCQs; Stacks MCQs. 1. If hashes are uniformly distributed (good hash) then hash table would have O(1) complexity for searching elements. Get Circular Linked List Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. The 'next' pointer of the new node needs to point to the next node. Singly linked list MCQs; It is a datastructure, which can make search in sorted linked list faster in the same way as binary search tree and sorted array (using binary search) are faster. View Solution. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Linked List below. Hash table has buckets each bucket can be accessed from the hash value then each A linked list’s insertion time complexity is O(1) for the actual operation, but requires O(n) time to traverse to the proper position. The Collision is reduced by adding elements to a linked list and head address of linked list is placed in hash table. Answer Key: Multiple-Choice Questions (MCQ) 1. When appending to the last node, naive implementations of linked list would result in O(n) iteration time. What is a skip list? a) a linkedlist with size value in nodes b) a linkedlist that allows faster search within an ordered sequence c) a linkedlist that allows slower search within an ordered sequence d) a tree which is in the form of linked list Binary search. Space Complexity: O(1) 5. Insertion and deletion of elements at the front of the linked list completes in O (1) time whereas for insertion and deletion at the last node requires to traverse through every node in the linked list. Time Complexity: O(n), where n is number of nodes in DLL. The Linked Lists Practice Quiz - 1 questions and answers have been prepared according to the GATE exam syllabus. XOR linked list uses Data Structure Adjacency List; Data Structure Single Linked Lists; Question: What is the space complexity for deleting a linked list? Options. 7. Suppose there are n elements in a linked list, we need to traverse through each node. What would be the asymptotic time complexity to insert an element at the second position in the linked list? 2. a. Arrays MCQs. Stack operations (push, pop, peek) MCQs Linear search MCQs; Binary search MCQs; Interpolation search MCQs; Time Complexity: O(n), where n is the number of nodes. o(n) B. 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. 1 / 9. In a singly linked list, each node consists of two Does finding each element in the hash table affect the complexity? Well, in your code you are using unordered_set which has an average complexity of O(1), so the simple answer is - No. This condition is called Collision. Construct a Balanced Binary Search Tree which has same data members as the given Linked List. 14) In recursion the condition after which the function will stop calling What would be the space complexity of an adjacency list representation for a graph with n vertices and e edges? A) O(n) B) O(n + e) C) O(n^2) Singly linked list MCQs; Doubly linked list MCQs; Circular linked list MCQs; Stacks MCQs. What is the time complexity of searching for an element in a singly linked list? a) O(1) b) O(n) c) O(log n) d) O(n log n) Answer: b) O(n) How do you insert a new node after a given node in a singly linked list? a) Set the new node’s pointer to the next node, then adjust the given node’s pointer to the new node 2. Example – C++ uses a custom doubly linked list as std::list. Let's explore the detailed time and space complexity of the Linear Search Algorithm: Time Complexity of Linear Search Algorithm: Best Case Time Complexity of Linear Search Algorithm: O(1) Best case is when the list or array's first element matches the target element. The quiz contains 30 questions. What operation is used to add an element to the top of a stack This set of Data Structures & Algorithms Multiple Choice Questions & Answers (MCQs) focuses on “Floyd’s cycle-finding algorithm”. What is the time complexity to count the number of elements in the linked list? In the worst case, the number of comparisons needed to search a singly linked list of length n for a given element is. Therefore, it contains three parts of data, a pointer to the next node, and a pointer to the previous node. Singly linked list MCQs; This comprehensive set of MCQs on Data Structures is designed to cover all essential topics necessary for understanding the fundamental concepts and applications of data organization and management. You just have to assess all the given options and click on the correct answer. P4: Every Node contains the data and a next pointer to traverse the Basic Terminologies of Linked List. Linked List D) Tree. What is the process of finding the middle node in a linked list called? A) Traversal B) Midpoint search C) Fast-slow pointer technique D) Bisection Doubly linked list. A _____ list is a In Linked List, the second operation is an O(1) operation, so it is a matter of the cost of first operations. This linear time complexity arises because, in the worst This Linked List data structure quiz consists of 10+ multiple-choice questions (MCQ) with answers and explanations. oujrgwz cxgowa vubvwi pllrtyw slksmg gghh gudav tafn jpco xeyl