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Questions and Answers
What is the advantage of using a circular doubly linked list with a dummy head node?
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?
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?
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?
What is the time complexity of adding an element to the head of a circular doubly linked list?
What is the time complexity of checking if a linked list is empty?
What is the time complexity of checking if a linked list is empty?
What is the time complexity of removing an element from the tail of a circular doubly linked list?
What is the time complexity of removing an element from the tail of a circular doubly linked list?
What is the advantage of using a singly linked list over a Python list?
What is the advantage of using a singly linked list over a Python list?
What is the time complexity of finding the previous node in a singly linked list?
What is the time complexity of finding the previous node in a singly linked list?
What is the time complexity of adding an element to the tail of a circular doubly linked list?
What is the time complexity of adding an element to the tail of a circular doubly linked list?
What is the purpose of the previous node in a doubly linked list?
What is the purpose of the previous node in a doubly linked list?
