> For the complete documentation index, see [llms.txt](https://cleberjamaral.gitbook.io/mind/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cleberjamaral.gitbook.io/mind/knowledge/programming/big-o-notation.md).

# Big O Notation

* O(1) = O(yeah)
* O(log n) = O(nice) 
* O(n) = O(ok) 
* O(n²) = O(my) 
* O(2ⁿ) = O(no) 
* O(n!) = O(mg!)

FreeCodeCamp has a [2 hours course](https://www.youtube.com/watch?v=Mo4vesaut8g) about it.