3. Programming & Data Structures

Data Structures — Quiz

Test your understanding of data structures with 5 practice questions.

Practice Questions

Question 1

When considering a Hash Table that uses separate chaining for collision resolution, what is the worst-case time complexity for searching an element?

Question 2

Which of the following data structures is most appropriate for implementing a 'undo' mechanism in a text editor?

Question 3

In a Binary Search Tree (BST), what is the time complexity for inserting a new node in the worst-case scenario?

Question 4

What is the primary advantage of using a Min-Heap over a sorted array when frequently extracting the minimum element and performing insertions?

Question 5

Consider a Queue implemented using a circular array. If the front pointer is at index $i$ and the rear pointer is at index $j$, and the array has a maximum size of $N$, how would you calculate the number of elements in the queue?