Arrays and Linked Lists - C++ Implementations for Exams

Arrays and Linked Lists - Implementations in C++ - Applications

Q. In a queue implemented using a linked list, what operation is performed to remove an element?

Solution

In a queue, the operation to remove an element is called 'dequeue', which removes the front element.

Correct Answer: B — Dequeue

Q. What is the time complexity of the binary search algorithm?

Solution

Binary search has a time complexity of O(log n) because it divides the search interval in half with each step.

Correct Answer: B — O(log n)

Q. Which data structure allows for Last In First Out (LIFO) access?

Solution

A stack is a data structure that follows the Last In First Out (LIFO) principle, where the last element added is the first to be removed.

Correct Answer: C — Stack

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