Big O notation and time complexity, explained. Check out Brilliant.org (https://brilliant.org/CSDojo/), a website for learning math and computer science concepts through solving problems. First 200 subscribers will get 20% off through the link above. Special thanks to Brilliant for sponsoring this video. This was #7 of my data structures & algorithms series. You can find the entire series in a playlist here: https://goo.gl/wy3CWF Also, keep in touch on Facebook: https://www.facebook.com/entercsdojo