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Algorithms

www.khanacademy.org Books & learning Courses & lectures Computer science Candidate
Screenshot of www.khanacademy.org captured 2026-07-20
Page preview · captured 2026-07-20

Resurfaced independently across 4 calendar years, with breakout response in 2 of them.

submissions
4
submitters
4
observed span
2015–2019
peak thread · 156 comments
624 pts
latest 20+ return · 2017-02-15
624 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

This is an excellent course and helped me get my current job. My background is chemistry/chemical engineering. I had applied for a data scientist position. Phone interview included a problem where I was asked about my solution's complexity. I admitted I didn't know about it. Still got called back for an interview on site, but the weekend before I powered through this course. Unsurprisingly, it came up in the on-site and they were really pleased I had learnt about it…

When I first tried this course a few month ago, the little helpers (think clippy) were driving me nuts! Half way through writing a line of code they would pop up and tell me that my code couldn't execute, maybe I should add a semi colon. It's really distracting and of course code can't execute when you are in the middle of typing an if-statement. It is not helpful at all. On top of that there's no "submit" button (because…

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
2

100+ points or 50+ comments

Total points
987

reference only — not used in Hall rules or ranking

Total comments
225

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2015-03-15Khan Academy: AlgorithmsFirst breakoutlobo_tuerto35869
2017-02-15AlgorithmsBest thread · Latest 20+ point returnrsandhu624156
2018-12-06Algorithms on Khan AcademyNuance20
2019-01-09Algorithmsheadalgorithm30