2min chapter

 Rustacean Station  cover image

Glidesort with Orson Peters

Rustacean Station

CHAPTER

How to Check if You're Using the Pivot Before in Patterned Feeding Quicksort

In patterned feeding quicksort, we can choose where the pivot goes of our initial partition. You don't need to look at all the other pivots before that because they essentially form a chain. The only way our currently selected pivot in our current partition can be equal to the previous pivot is if it was the last pivot used. If it was a pivot earlier than that, we know it would be less than this greater pivot and value equal to that pivot would not be in our current partitions.

00:00

Get the Snipd
podcast app

Unlock the knowledge in podcasts with the podcast player of the future.
App store bannerPlay store banner

AI-powered
podcast player

Listen to all your favourite podcasts with AI-powered features

Discover
highlights

Listen to the best highlights from the podcasts you love and dive into the full episode

Save any
moment

Hear something you like? Tap your headphones to save it with AI-generated key takeaways

Share
& Export

Send highlights to Twitter, WhatsApp or export them to Notion, Readwise & more

AI-powered
podcast player

Listen to all your favourite podcasts with AI-powered features

Discover
highlights

Listen to the best highlights from the podcasts you love and dive into the full episode