hauleth.dev
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Day 05 of 2025
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2025/day05.livemd
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2025/day05.livemd
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# Day 05
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```elixir
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Mix.install([
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:kino_aoc,
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:range_set
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])
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```
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## Section
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<!-- livebook:{"attrs":"eyJhc3NpZ25fdG8iOiJwdXp6bGVfaW5wdXQiLCJkYXkiOiI1Iiwic2Vzc2lvbl9zZWNyZXQiOiJBRFZFTlRfT0ZfQ09ERV9TRVNTSU9OIiwieWVhciI6IjIwMjUifQ","chunks":null,"kind":"Elixir.KinoAOC.HelperCell","livebook_object":"smart_cell"} -->
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```elixir
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{:ok, puzzle_input} =
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KinoAOC.download_puzzle("2025", "5", System.fetch_env!("LB_ADVENT_OF_CODE_SESSION"))
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```
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```elixir
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[fresh, ingridients] = String.split(puzzle_input, "\n\n")
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fresh =
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fresh
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|> String.split()
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|> Enum.map(fn range ->
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[a, b] = range |> String.split("-") |> Enum.map(&String.to_integer/1)
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a..b//1
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end)
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|> RangeSet.new()
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ingridients =
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ingridients
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|> String.split()
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|> Enum.map(&String.to_integer/1)
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```
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```elixir
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Enum.count(ingridients, & &1 in fresh)
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```
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```elixir
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Enum.count(fresh)
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```
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<!-- livebook:{"offset":863,"stamp":{"token":"XCP.XHMkonPfVQNZ43fIPanTNAFSPojbYWSWMU1wxn37_PPkpVpaY-fKZmAwoH-3qs2vx3CD_h34H1PjbHKDDWdrb7UxHoJoV5UxMppoorBtxw9hQF7YuznVwOa187BXPmKPcw","version":2}} -->