Essential algorithms for GCSE and A Level Computer Science

Searching algorithms

Routines that find data within a data structure.

What is a binary search?

The binary search is an efficient algorithm for finding an item in a sorted list. To perform a binary search, start at the middle item in the list and repeatedly divide the list in half.

Binary search videos

What extra is in the book?

Each algorithm / data structure has its own dedicated chapter in the book, which includes:

  1. Overview
  2. Typical applications / uses
  3. Typical operations
  4. The algorithm written out in simple-structured English
  5. The algorithm written out in pseudocode
  6. Full code listing in Python
  7. Additional code listings in Visual Basic and C# are also available to download
  8. Diagrammatic walk-through
  9. Efficiency discussion with reference to Big-O notation

A hard copy of the book is available on our shop and a free PDF copy is included for all premium subscribers.

Registered in England and Wales: 10442992

VAT Number: 290 9845 58

Telephone: 03330 164 059

Email: admin@craigndave.co.uk

BETT Finalists 2022