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aoc-2025/day05/notes.md

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## Day 5: Cafeteria
Puzzle 1 took me 30-ish minutes to figure out. I initially tried building an array of numbers from the ranges, but it turned out to be _much_ easier to parse each range against each value and let the machine do the math.
Puzzle 2 seemed pretty straightforward, and I thought I had a simple solution, but it didn't work, and an hour later (1:30a), I have to admit defeat for tonight.
### JS Solutions
```
cd js
node day05a.js
```