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Floyd's Tortoise and Hare Algorithm in Linked Lists
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Floyd's Tortoise and Hare Algorithm in Linked Lists

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Questions and Answers

What is the Stock Span Problem concerned with?

  • Consecutive days with a stock price equal to a certain threshold
  • Consecutive days with a stock price fluctuating randomly
  • Consecutive days with a stock price greater than a certain threshold
  • Consecutive days with a stock price less than a certain threshold (correct)

    • Which data structure is commonly used to efficiently solve the Stock Span Problem?

  • Stack (correct)
  • Queue
  • Linked List
  • Hash Table

    • How does the Stock Span Problem algorithm utilize a stack?

  • By storing indices in the stack (correct)
  • By using a priority queue
  • By sorting the stock prices
  • By maintaining a running sum

    • What is the time complexity of the Stock Span Problem algorithm using a stack?

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

    What is a common use of a Doubly Linked List (DLL) in data structures?

    <p>To implement a queue</p> Signup and view all the answers

    What is the key advantage of using a doubly linked list to implement a priority queue?

    <p>Faster insertion and deletion operations</p> Signup and view all the answers

    What is the time complexity of sorting a Bitonic DLL using the Bitonic Sort algorithm?

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

    Which step is critical for achieving the bitonic property in a Bitonic DLL?

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

    Which of the following is an efficient approach to segregate even and odd nodes in a linked list?

    <p>Iterative traversal</p> Signup and view all the answers

    What is the key idea behind segregating even and odd nodes in a linked list?

    <p>Grouping nodes based on parity</p> Signup and view all the answers

    In the context of linked lists, what is the significance of maintaining the relative order of even and odd nodes during segregation?

    <p>Required for stability</p> Signup and view all the answers

    What is the role of pointers in the segregation of even and odd nodes in a linked list?

    <p>To traverse the list</p> Signup and view all the answers

    Why is Merge Sort a preferred choice for sorting a doubly linked list?

    <p>It works well with linked lists</p> Signup and view all the answers

    What is the time complexity of the push operation in a minimum stack?

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

    What is the primary purpose of Floyd's Tortoise and Hare algorithm in linked lists?

    <p>To detect loops in the linked list</p> Signup and view all the answers

    What is the key step in the merge sort algorithm for doubly linked lists?

    <p>Merging sorted sublists</p> Signup and view all the answers

    What is a potential limitation of a minimum stack?

    <p>Increased space complexity</p> Signup and view all the answers

    What is the time complexity of the merge step in the merge sort algorithm for doubly linked lists?

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

    What is a characteristic of a linked list with no loop?

    <p>The last node points to NULL</p> Signup and view all the answers

    How does a minimum stack ensure constant-time retrieval of the minimum element?

    <p>By storing the minimum value with each element</p> Signup and view all the answers

    How does merge sort maintain stability during sorting in a doubly linked list?

    <p>By maintaining the original order of equal elements</p> Signup and view all the answers

    What is the definition of a 'celebrity' in the Celebrity Problem?

    <p>A person who is known by everyone</p> Signup and view all the answers

    How does Floyd's Tortoise and Hare algorithm detect loops in linked lists?

    <p>By detecting a cycle in the linked list</p> Signup and view all the answers

    What is the space complexity of the merge sort algorithm for doubly linked lists?

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

    What is the time complexity of Floyd's Tortoise and Hare algorithm for loop detection in linked lists?

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

    What is the primary objective in solving the Celebrity Problem?

    <p>Identifying a person known by everyone</p> Signup and view all the answers

    What is a Bitonic sequence in the context of sorting?

    <p>A sequence with both ascending and descending parts</p> Signup and view all the answers

    What is the primary advantage of a minimum stack over a regular stack?

    <p>Quick access to the minimum element</p> Signup and view all the answers

    What is the time complexity of the efficient algorithm for solving the Celebrity Problem?

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

    What is the role of the merging step in Bitonic DLL sorting?

    <p>To merge two sorted lists</p> Signup and view all the answers

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