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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}} -->