AQA A’Level SLR08 Measures to determine efficiency of algorithms
About this video
AQA Specification Reference
A Level 4.4.4.2
This video takes a look at the various measures and methods you can use to determine the efficiency of different algorithms. It discusses these concepts in terms of the following Big O notations: Constant, Linear, Polynomial, Exponential and Logarithmic complexity.
Key questions:
- What is meant by an algorithm's complexity?
- What is the difference between time and space efficiency?
- How do we measure the efficiency of an algorithm?
00:00 Measures to determine efficiency of algorithms
00:06 Intro
00:11 Big O notation
00:29 Recap
02:33 Algorithm complexity
05:18 Big O notation - Part 2
06:59 Big O notation example 1
07:29 Example 2
08:04 Example 3
08:32 Example 4
08:59 Key questions
09:16 Outro
Last updated: 16.04.25
