University:
Alabama State University
Course:
CS212 | Introduction to Data Structures and Algorithms
Academic year:

2024
Views:

219

Pages:

2
Author:

Mikael K. N.

QUIZ! 1. What is the difference between an array and a linked list in terms of data structure? 2. Explain the concept of time complexity in algorithms. How is it analyzed? 3. What is a binary search tree (BST), and how does it differ from other tree data structures? 4. How does the quicksort algorithm work, and what is its average time complexity? Good Luck! NAME: Mikael Kevintan Naibaho COURSE: CSC 212 Introduction to Data Structures and Algorithms 1. What is the difference between an array and a linked list in terms of data structure? Answer: An array is a static data structure that stores elements of the same type in contiguous memory locations, allowing for constant-time access to any element using an index. In contrast, a linked list is a dynamic data structure where elements are stored in nodes, and each node points to the next node in the sequence. Linked lists allow for efficient insertions and deletions but have slower random access times compared to arrays. 2. Explain the concept of time complexity in algorithms. How is it analyzed? Answer: Time complexity measures the amount of time an algorithm takes to complete as a function of the input size. It is often expressed using big-O notation. The big-O notation provides an upper bound on the growth rate of an algorithm's running time concerning its input size. For example, O(n) denotes linear time complexity, meaning the running time grows linearly with the input size. 3. What is a binary search tree (BST), and how does it differ from other tree data structures? Answer: A binary search tree is a tree data structure in which each node has at most two children, referred to as the left child and the right child. The key property of a BST is that the value of each node in the left subtree is less than or equal to the node's value, and the value of each node in the right subtree is greater than the node's value. This property allows for efficient searching, insertion, and deletion operations. Unlike other tree structures, such as a general binary tree, a BST ensures a specific ordering of elements. 4. How does the quicksort algorithm work, and what is its average time complexity? Answer: Quicksort is a divide-and-conquer sorting algorithm that works by selecting a "pivot" element from the array and partitioning the other elements into two sub-arrays according to whether they are less than or greater than the pivot. The sub-arrays are then recursively sorted. The average time complexity of quicksort is O(n log n), making it efficient for large datasets. However, its worst-case time complexity is O(n^2) when poorly chosen pivots lead to unbalanced partitions.

Quiz. Algoritm and Data Structure

Related Documents

Recommended Documents

Details

Description

Related Documents

Struggling with your assignment and deadlines?

Free up your schedule!

Take 5 seconds to unlock