Day 1: Historian Hysteria
Megathread guidelines
- Keep top level comments as only solutions, if you want to say something other than a solution put it in a new post. (replies to comments can be whatever)
- You can send code in code blocks by using three backticks, the code, and then three backticks or use something such as https://blocks.programming.dev if you prefer sending it through a URL
FAQ
- What is this?: Here is a post with a large amount of details: https://programming.dev/post/22323136
- Where do I participate?: https://adventofcode.com/
- Is there a leaderboard for the community?: We have a programming.dev leaderboard with the info on how to join in this post: https://programming.dev/post/6631465
J
NB. file handling from https://www.jsoftware.com/help/primer/files.htm data =: > 0 ". each cutopen toJ fread '1.data' result1 =: +/ | -/"1 |: ({~ /:)"1 |: data NB. Lemmy insists on mangling the ampersand, the & is _just_ an ampersand result2 =: +/ , ((0&{) * (="0 1)/) |: data