this post was submitted on 03 Dec 2024
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Advent Of Code

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An unofficial home for the advent of code community on programming.dev!

Advent of Code is an annual Advent calendar of small programming puzzles for a variety of skill sets and skill levels that can be solved in any programming language you like.

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submitted 1 month ago* (last edited 1 month ago) by CameronDev to c/advent_of_code
 

Day 3: Mull It Over

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  • 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

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[–] Quant 1 points 1 month ago

Uiua

Regex my beloved <3

Run with example input here

FindMul ← regex "mul\\((\\d+),(\\d+)\\)"

PartOne ← (
  &rs ∞ &fo "input-3.txt"
  FindMul
  /+≑(Γ—Β°βŠŸβ‹•βŠ1_2)
)

IdDont ← βŠ—β–‘"don't()"β™­

PartTwo ← (
  &rs ∞ &fo "input-3.txt"
  regex "mul\\(\\d+,\\d+\\)|do\\(\\)|don't\\(\\)"
  ⍒(IdDont.
    β†˜1βŠƒβ†˜β†™
    βŠ—β–‘"do()"β™­.
    βŠ‚β†˜1β†˜
  | IdDont.
    ≠⧻,
  )
  β–½β™­=0βŒ•β–‘"do()".
  ≑(Γ—Β°βŠŸβ‹•βŠ1_2β™­FindMul)β™­
  /+
)

&p "Day 3:"
&pf "Part 1: "
&p PartOne
&pf "Part 2: "
&p PartTwo