December 2023
Intermediate to advanced
504 pages
11h 43m
English
Content preview from A Common-Sense Guide to Data Structures and Algorithms in Python, Volume 1Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Prerequisite: Determine Your Current Big O
Before we get into the optimization techniques, though, it’s important to stress that there’s something you need to do before you start optimizing your algorithm.
The prerequisite to optimization is determining the efficiency of your current code. After all, it’s impossible to make an algorithm faster if you don’t know how fast it is now.
By now, you have a thorough understanding of Big O notation and the various categories of Big O. Once you know what category of Big O your algorithm belongs to, you can begin optimizing.
Throughout the rest of this chapter, I’ll refer to this step of determining your current algorithm’s Big O as the “prereq.”
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