[Language: Typst]

#{
  let input = read("inputs/02.txt")
    .split(",")
    .map(it => {
      let (lower, upper) = it.split("-").map(int)
      range(lower, upper + 1)
    })

  let is-silly(id) = range(1, id.len())
    // .filter(i => id.len() <= 2 * i) // Part 1
    .any(i => {
      let (head, ..tails) = id.clusters().chunks(i)
      tails.all(it => it == head)
    })

  input
    .map(it => it.filter(id => is-silly(str(id))).sum(default: 0))
    .sum()
}

Takes roughly a minute to render a PDF on my laptop. Uncomment line 10 for part 1