Essential algorithms and data structures
Second edition coming soon…
The aim of this book is to provide students and teachers of GCSE, AS & A level Computer Science a comprehensive guide to the algorithms and data structures students need to understand for examinations. Each chapter examines a data structure or algorithm explaining how it works, real-world applications, a step-by-step example, pseudocode, actual code in two languages and a description of the space and time complexity.
We have chosen to provide coded solutions in Python 3 because it is the most popular language taught at GCSE, in Visual Basic Console (2015 onwards) because it is a language that most closely resembles the pseudocode and coded examples students will need to work with in examinations and in C# as it is an industry standard leading language.
This book is appropriate for all English and Welsh Computer Science specifications, check out our up-to-date mapping document for details.
Select the appropriate tile below for additional videos and resources relating to each algorithm.
What extra is in the book?
Each algorithm / data structure has its own dedicated chapter in the book, which includes: