Doubly Linked List Implementation
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Questions and Answers

What is the new maximum problem size achievable for an algorithm with a running time of 2^n, assuming it is run on a computer 256 times faster than the previous one?

  • m+8
  • 16m
  • 2^m (correct)
  • 2m

    • A double-ended queue (deque) is a data structure that supports insertion and deletion at:

  • neither the front nor the rear of the queue
  • both the front and the rear of the queue (correct)
  • only the rear of the queue
  • only the front of the queue

    • What is the time complexity of an algorithm with a running time of 400n?

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

    • What is the primary advantage of using a computer that is 256 times faster than the previous one?

    <p>it can solve larger problems in the same amount of time</p> Signup and view all the answers

    What is the purpose of the insertFront(e) function in a deque?

    <p>to insert a new element at the beginning of the deque</p> Signup and view all the answers

    What is the new maximum problem size achievable for an algorithm with a running time of n^2, assuming it is run on a computer 256 times faster than the previous one?

    <p>16m</p> Signup and view all the answers

    What is the primary use of arrays mentioned in the text?

    <p>Storing high score entries for a video game</p> Signup and view all the answers

    What are the two fields mentioned in the high score entry object?

    <p>Name and score</p> Signup and view all the answers

    What is not mentioned as a possible extension to the high score entry object?

    <p>Player's age</p> Signup and view all the answers

    What data structure is not mentioned in the provided text?

    <p>Queue</p> Signup and view all the answers

    What is the purpose of using arrays in this context?

    <p>To store and access data using integer indices</p> Signup and view all the answers

    What is not a mentioned application of arrays?

    <p>Implementing a sorting algorithm</p> Signup and view all the answers

    What is a key difference between a circularly linked list and a doubly linked list?

    <p>A circularly linked list is linked into a cycle, while a doubly linked list is not.</p> Signup and view all the answers

    What is a limitation of the simple implementation of a doubly linked list provided?

    <p>All of the above</p> Signup and view all the answers

    What type of mechanism would allow for accessing arbitrary elements of a list?

    <p>Iterators</p> Signup and view all the answers

    What would be a more robust implementation of a doubly linked list?

    <p>One that throws an exception when an attempt is made to access or remove elements from an empty list.</p> Signup and view all the answers

    What is NOT provided in the simple implementation of a doubly linked list?

    <p>A mechanism for accessing elements in the middle of the list.</p> Signup and view all the answers

    What type of data structure would be useful for implementing a mechanism for accessing arbitrary elements of a list?

    <p>Iterator</p> Signup and view all the answers

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