Data Structures and Algorithms - Study24x7
Social learning Network

Warning: include(./views/auth.php): failed to open stream: Permission denied in /var/www/html/live/loginRightSlider.php on line 18

Warning: include(): Failed opening './views/auth.php' for inclusion (include_path='.:/usr/share/php') in /var/www/html/live/loginRightSlider.php on line 18
datastructuresalgorithms Cover image
datastructuresalgorithms
Data Structures and Algorithms

  • Warning: Use of undefined constant Followers - assumed 'Followers' (this will throw an Error in a future version of PHP) in /var/www/html/live/makepage.php on line 1760
    Followers
  • Latest Feeds
  • Articles
  • Question
  • Course
  • About
  • Review
Interests
Java Technologies Python Technologies Computer Programming Software Developer
See more
Articles
Question
Course
About
Review
Gallery

Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Data Structures and Algorithms
6 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

What is the maximum number of children for any node in a binary tree?

A

1

B

2

C

3

D

Depends on height

Java Technologies Python Technologies Computer Programming
Like | 5 Comment Share
study24x7
Write a comment

Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Data Structures and Algorithms
6 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

Which of the following sorting algorithms is comparison-based?

A

Counting Sort

B

Radix Sort

C

Bucket Sort

D

Heap Sort

Java Technologies Python Technologies Computer Programming
Like | 5 Comment Share
study24x7
Write a comment

Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Data Structures and Algorithms
6 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

Which tree structure keeps keys in sorted order and allows multiple keys per node?

A

AVL Tree

B

Binary Search Tree

C

B-Tree

D

Heap

Java Technologies Python Technologies Computer Programming
Like | 5 Comment Share
study24x7
Write a comment

Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Data Structures and Algorithms
6 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

BFS uses which data structure?

A

Stack

B

Queue

C

Hash table

D

Heap

Java Technologies Python Technologies Computer Programming
Like | 5 Comment | 1 Share
study24x7
Write a comment
  • Avinash Prakash
    • 8448169645
    Like
    Reply 01 Jan 1970 05:30 AM

    Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
    Data Structures and Algorithms
    6 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

    Time complexity of inserting a node at the beginning of a linked list:

    A

    O(n)

    B

    O(log n)

    C

    O(1)

    D

    O(n log n)

    Java Technologies Python Technologies Computer Programming
    Like | 5 Comment Share
    study24x7
    Write a comment

    Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
    Data Structures and Algorithms
    6 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

    Binary search works only on:

    A

    Unsorted arrays

    B

    Sorted arrays

    C

    Linked lists

    D

    Trees

    Java Technologies Python Technologies Computer Programming
    Like | 5 Comment Share
    study24x7
    Write a comment

    Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
    Data Structures and Algorithms
    6 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

    Which algorithm uses backtracking?

    A

    Merge sort

    B

    Quick sort

    C

    Tower of Hanoi

    D

    N-Queens problem

    Java Technologies Python Technologies Computer Programming
    Like | 3 Comment Share
    study24x7
    Write a comment

    Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
    Data Structures and Algorithms
    6 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

    The number of edges in a complete graph with n nodes is:

    A

    n

    B

    n²

    C

    n(n−1)/2

    D

    2n

    Java Technologies Python Technologies Computer Programming
    Like | 3 Comment Share
    study24x7
    Write a comment

    Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
    Data Structures and Algorithms
    6 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

    In graph algorithms, Dijkstra’s algorithm fails when:

    A

    Graph is directed

    B

    Graph has cycles

    C

    Negative edge weights

    D

    Graph is disconnected

    Java Technologies Python Technologies Computer Programming
    Like | 3 Comment Share
    study24x7
    Write a comment

    Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
    Data Structures and Algorithms
    6 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

    Best data structure for implementing priority scheduling:

    A

    Stack

    B

    Queue

    C

    Heap

    D

    Linked list

    Java Technologies Python Technologies Computer Programming
    Like | 4 Comment Share
    study24x7
    Write a comment

    Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
    Data Structures and Algorithms
    6 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

    A queue where insertion is allowed at both ends but deletion only at one end is called:

    A

    Input-restricted deque

    B

    Output-restricted deque

    C

    Circular queue

    D

    Priority queue

    Java Technologies Python Technologies Computer Programming
    Like | 4 Comment Share
    study24x7
    Write a comment

    Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
    Data Structures and Algorithms
    6 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

    Which of the following is not an application of stack?

    A

    Checking balanced parentheses

    B

    Function call management

    C

    Level order traversal

    D

    Reversing a string

    Java Technologies Python Technologies Computer Programming
    Like | 4 Comment Share
    study24x7
    Write a comment

    Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
    Data Structures and Algorithms
    6 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

    Which traversal gives nodes in sorted order for a BST?

    A

    Preorder

    B

    Postorder

    C

    Inorder

    D

    Level order

    Java Technologies Python Technologies Computer Programming
    Like | 3 Comment Share
    study24x7
    Write a comment

    Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
    Data Structures and Algorithms
    6 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

    What is the time complexity of searching an element in an AVL tree?

    A

    O(n)

    B

    O(log n)

    C

    O(1)

    D

    O(n log n)

    Java Technologies Python Technologies Computer Programming
    Like | 3 Comment Share
    study24x7
    Write a comment

    Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
    Data Structures and Algorithms
    6 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

    Which data structure is used to convert infix to postfix expression?

    A

    Queue

    B

    Stack

    C

    Tree

    D

    Heap

    Java Technologies Python Technologies Computer Programming
    Like | 3 Comment Share
    study24x7
    Write a comment

    Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
    Data Structures and Algorithms
    6 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

    In a complete binary tree, the height is:

    A

    log n

    B

    n

    C

    n log n

    D

    constant

    Java Technologies Python Technologies Computer Programming
    Like | 5 Comment Share
    study24x7
    Write a comment

    Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
    Data Structures and Algorithms
    6 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

    Hash collisions can be handled by:

    A

    Resizing memory

    B

    Chaining

    C

    Segmentation

    D

    Paging

    Java Technologies Python Technologies Computer Programming
    Like | 5 Comment Share
    study24x7
    Write a comment

    Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
    Data Structures and Algorithms
    6 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

    Which of the following is not a stable sorting algorithm?

    A

    Bubble Sort

    B

    Merge Sort

    C

    Selection Sort

    D

    Insertion Sort

    Java Technologies Python Technologies Computer Programming
    Like | 5 Comment Share
    study24x7
    Write a comment

    Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
    Data Structures and Algorithms
    6 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

    What is the worst-case time complexity of Quick Sort?

    A

    O(n log n)

    B

    O(n²)

    C

    O(log n)

    D

    O(n)

    Java Technologies Python Technologies Computer Programming
    Like | 6 Comment Share
    study24x7
    Write a comment

    Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
    Data Structures and Algorithms
    6 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

    Which data structure is best suited for implementing recursion?

    A

    Queue

    B

    Stack

    C

    Heap

    D

    Tree

    Java Technologies Python Technologies Computer Programming
    Like | 6 Comment Share
    study24x7
    Write a comment
    Ratings
    0.0
    out of 5     0 Ratings
    5 study24x7
     
    0.0
    4 study24x7
     
    0.0
    3 study24x7
     
    0.0
    2 study24x7
     
    0.0
    1 study24x7
     
    0.0
    Related Pages
    ❮ ❯