Ask HN: Is there a site with code puzzles like chess puzzles?

[eaplant]

Similar to https://www.chesspuzzles.com/mate-in-three, is there a website that presents you with some prewritten code that you can edit slightly to get the desired result?

[gabrielsroka]

Maybe this?

https://play.elevatorsaga.com

[mattchamb]

This is not quite what you're asking for, but it's in the spirit of what you want: https://en.m.wikipedia.org/wiki/Shenzhen_I/O

[Nicksil]

https://en.wikipedia.org/wiki/Shenzhen_I/O

[pajko]

https://codingdojo.org/

Or try the games of Tomorrow Corporation and Zachtronics.

[d--b]

https://code.golf/ ?

[wanghq]

leetcode.com :) I know this is what you're looking for.