--- title: "Big O Notation: What Is It?" url: https://daily.dev/posts/big-o-notation-what-is-it--soniravt2 source_url: https://pub.towardsai.net/big-o-notation-what-is-it-69cfd9d5f6b8 type: article source: "Towards AI" published: 2022-01-02T06:13:56.204Z updated: 2022-01-02T06:13:56.204Z tags: ["data-science"] reading_time: 5 upvotes: 22 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Big O Notation: What Is It? **[Towards AI](https://daily.dev/sources/tai)** · 5 min read · 22 upvotes · 0 comments ## Summary Big O notation is used to classify algorithms based on how their execution time or space requirements grow as the size of the input increases. Big-O notation can express the best, worst, and average execution time of an algorithm. Knowledge of Big O is an essential tool when working with algorithms that must operate at a large scale. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 0 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments - [CNCF Unveils Schedule for KubeCon \+ CloudNativeCon Europe 2026](https://daily.dev/posts/cncf-unveils-schedule-for-kubecon-cloudnativecon-europe-2026-ikhcoa5cb) · CNCF · 2 upvotes · 0 comments - [CNCF Debuts KubeCon \+ CloudNativeCon Japan 2026 Schedule](https://daily.dev/posts/cncf-debuts-kubecon-cloudnativecon-japan-2026-schedule-xp5pyudub) · CNCF · 1 upvotes · 0 comments --- Tags: [#data-science](https://daily.dev/tags/data-science) [View this post on daily.dev](https://daily.dev/posts/big-o-notation-what-is-it--soniravt2)