aoc2022_day06.santa

input: read("aoc://2022/6")

let is_marker? = |sequence| size(sequence) == size(set(sequence));

part_one: {
  4..
    |> find(|position| is_marker?(input[position-4..position]));
}

part_two: {
  14..
    |> find(|position| is_marker?(input[position-14..position]));
}

test: {
  input: "bvwbjplbgvbhsrlpgdmjqwftvncz"
  part_one: 5
}

test: {
  input: "nppdvjthqldpwncqszvftbrmjlhg"
  part_one: 6
}

test: {
  input: "nznrnfrfntjfmvfwmzdfjlvtqnbhcprsg"
  part_one: 10
}

test: {
  input: "zcfzfwzzqfrljwzlrfnpqdbhtmscgvjw"
  part_one: 11
}

test: {
  input: "mjqjpqmgbljsphdztnvjfqwrcgsmlb"
  part_two: 19
}

test: {
  input: "bvwbjplbgvbhsrlpgdmjqwftvncz"
  part_two: 23
}

test: {
  input: "nppdvjthqldpwncqszvftbrmjlhg"
  part_two: 23
}

test: {
  input: "nznrnfrfntjfmvfwmzdfjlvtqnbhcprsg"
  part_two: 29
}

test: {
  input: "zcfzfwzzqfrljwzlrfnpqdbhtmscgvjw"
  part_two: 26
}

test: {
  input: read("aoc://2022/6")
  part_one: 1848
  part_two: 2308
}