Posting cat pictures in at-risk communities to break the spiral of negativity

That is an awesome list. Thanks for the tip, that helps me a lot.

Here’s the list, for anyone looking for it: https://www.reddit.com/r/adventofcode/comments/1gdw4cj/450_stars_a_categorization_and_megaguide/lu52sl6/

Yes, I know leetcode. I use them too. But I really love AOC and I love to do AOC problems with students, but it’s hard to find fitting puzzles that students are able to do with the knowledge they have, the help I can offer and a timeframe of max three hours.