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MCQ

Consider the Singly linked list having n elements. What will be the time taken to add an node at the end of linked list if Pointer is initially pointing to first node of the list.

O(1)

O(n-1)

O(n)

O(n^2)

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MCQ

What are the time complexities of finding 8th element from beginning and 8th element from end in a singly linked list? Let n be the number of nodes in linked list, you may assume that n>8.

O(n) and O(n)

O(1) and O(1)

O(n) and O(1)

O(1) and O(n)

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MCQ

Since a doubly-linked list allows traversing in both the forward and backward directions, it is also referred to as a___________.

Multi-way list

One-way list

Two-way list

None of the above

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MCQ

Disadvantages of xor lists

Almost of debugging tools cannot follow the XOR chain, making debugging difficult

You need to remember the address of the previously accessed node in order to calculate the next node

In some contexts XOR of pointers is not defined

All of the mentioned

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MCQ

Consider the 2-level skip list.

data-structure-questions-answers-skip-list-q2

How to access 38?

travel 20-30-35-38

travel 20-30-40-38

travel 20-38

travel 20-40-38

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MCQ

Which of the following statements are correct with respect to Singly Linked List(SLL) and Doubly Linked List(DLL)?

Complexity of Insertion and Deletion at known position is O(n) in SLL and O(1) in DLL

SLL uses lesser memory per node than DLL

DLL has more searching power than SLL

All of the mentioned

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Abstract data types

Arrays

Lists

Stacks

Queues

Trees

Binary Trees

B Trees

Heaps

Hash based structures

Graphs

Mixed

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