Day 3: Mull It Over

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FAQ

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[–] 1 point 2 years 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‰ β§»,
  )
  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
  • source