CSE-201 · Lesson 1 of 4

Big-O Notation Crash Course

Name: Big-O Notation Crash Course
Uploaded: 2026-05-01T00:00:00.000Z
Duration: 26 min
Description: Why 'fast' isn't a number. We walk through constant, linear, and quadratic complexity with live examples.

Nusrat J.26m

Why 'fast' isn't a number. We walk through constant, linear, and quadratic complexity with live examples.

Note

Pair session Sunday 8 PM — bring a problem you can solve in O(n) and explain why.

Lesson resources

Big-O cheat sheet

Same resources as in the community course — sign in to watch the lesson and track progress.

Watch the whole course.