Day 19 - Linen Layout

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://topaz.github.io/paste/ if you prefer sending it through a URL

FAQ

  • @sjmulder
    link
    22 days ago

    until I tried matching from right to left instead :3

    My intuition nudged me there but I couldn’t reason how that would change things. You still have to test the remaining string, and its remaining string, backtrack, etc right?

    • lwhjp
      link
      12 days ago

      It was just a hunch that the inputs were generated to be difficult to parse using a naive algorithm (ie the towels have a lot of shared prefixes). In general I don’t think there’s any reason to suppose that one direction is better than the other, at least for random inputs.