Singly Linked List Data Structure
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Questions and Answers

What is the advantage of using a circular doubly linked list with a dummy head node?

  • It reduces the time complexity of searching for an element
  • It eliminates special cases for insertions and deletions (correct)
  • It makes the implementation more complicated
  • It increases the space complexity of the linked list

    • What is the time complexity of removing an element from the head of a singly linked list?

  • O(n^2)
  • O(log n)
  • O(n)
  • O(1) (correct)

    • What is the purpose of the dummy head node in a circular doubly linked list?

  • To simplify the implementation (correct)
  • To make the implementation more complicated
  • To reduce the time complexity
  • To increase the space complexity

    • What is the time complexity of adding an element to the head of a circular doubly linked list?

    <p>O(1)</p> Signup and view all the answers

    What is the time complexity of checking if a linked list is empty?

    <p>O(1)</p> Signup and view all the answers

    What is the time complexity of removing an element from the tail of a circular doubly linked list?

    <p>O(1)</p> Signup and view all the answers

    What is the advantage of using a singly linked list over a Python list?

    <p>It uses less space</p> Signup and view all the answers

    What is the time complexity of finding the previous node in a singly linked list?

    <p>O(n)</p> Signup and view all the answers

    What is the time complexity of adding an element to the tail of a circular doubly linked list?

    <p>O(1)</p> Signup and view all the answers

    What is the purpose of the previous node in a doubly linked list?

    <p>To allow for efficient deletion of nodes</p> Signup and view all the answers

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