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🧑 - 2025 DAY 2 SOLUTIONS - 🧑 (programming.dev)
submitted 11 months ago by to c/advent_of_code@programming.dev
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Day 2: Gift Shop

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

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[–] 3 points 11 months ago (1 child)

Uiua

Considerably easier than Day 1 for me. Uiua does have regex support, but no back references, so this is my poor man's version.

"11-22,95-115,998-1012,1188511880-1188511890,222220-222224,1698522-1698528,446443-446449,38593856-38593862,565653-565659,824824821-824824827,2121212118-2121212124"
⊜(⊜⋕⊸≠@-)⊸≠@,
R    ← +⊙⇡⟜-⊙+₁°⊟
Dup  ← ¬˜∊0⦷⊸↙⌈÷2⊸⧻°⋕
Dup₂ ← ⨬(/↥≡⌟(¬˜∊0⦷⊸↙)↘1⇡+1⌈÷2⊸⧻|0)<2÷∩⧻⊸⊸◴°⋕
⊃≡(/+▽⊸≡Dup R)≡(/+▽⊸≡Dup₂ R)
∩/+

You can run the code on Uiua Pad, btw.

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