Time complexity analysis: How to calculate running time 

By | April 1, 2024

Understanding the efficiency of algorithms is crucial for software developers and computer scientists. In the world of programming, time complexity analysis plays a vital role in determining the performance of an algorithm. In this video, we will delve into the essential concepts of time complexity and learn how to calculate the running time of algorithms.

Time complexity refers to the estimation of the amount of time an algorithm takes to run as a function of the length of its input. It helps us understand how the algorithm’s performance scales as the input size grows. By analysing time complexity, developers can make informed decisions about which algorithm to use in different scenarios.

In this video by MyCodeSchool, there is an exploration of various common time complexity classes such as O(1), O(log n), O(n), O(n log n), O(n^2), and O(2^n), and how to identify them in code. You will learn about the significance of the “big O” notation and how it simplifies the comparison of algorithms based on their efficiency.

Furthermore, there will be techniques for calculating the running time of algorithms, including analysing loops, nested loops, and recursive functions. Understanding these techniques will enable you to evaluate the performance of your code and make optimisations when necessary.

By the end of this video, you will have a solid understanding of time complexity analysis and be equipped with the knowledge to assess the efficiency of algorithms. Whether you are a beginner or an experienced programmer, this video will provide valuable insights into the fundamental principles of algorithm analysis.

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Stay tuned and join us as we unravel the mysteries of time complexity and learn how to calculate the running time of algorithms. Let’s dive into the world of algorithmic efficiency and enhance our problem-solving skills!

Part 1

Part 2

Part 3

Part 4

Video Source: MyCodeSchool.

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