solve 2024 day 1
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15 changed files with 117 additions and 137 deletions
5
2024/.formatter.exs
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5
2024/.formatter.exs
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# Used by "mix format"
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[
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plugins: [Styler],
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inputs: ["{mix,.formatter}.exs", "{config,lib,test}/**/*.{ex,exs}"]
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]
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23
2024/.github/workflows/test.yml
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23
2024/.github/workflows/test.yml
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@ -1,23 +0,0 @@
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name: test
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on:
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push:
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branches:
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- master
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- main
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pull_request:
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jobs:
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test:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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- uses: erlef/setup-beam@v1
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with:
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otp-version: "27.1.2"
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gleam-version: "1.6.1"
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rebar3-version: "3"
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# elixir-version: "1.15.4"
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- run: gleam deps download
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- run: gleam test
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- run: gleam format --check src test
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32
2024/.gitignore
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32
2024/.gitignore
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@ -1,4 +1,30 @@
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*.beam
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*.ez
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/build
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# The directory Mix will write compiled artifacts to.
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/_build/
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# If you run "mix test --cover", coverage assets end up here.
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/cover/
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# The directory Mix downloads your dependencies sources to.
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/deps/
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# Where third-party dependencies like ExDoc output generated docs.
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/doc/
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# Ignore .fetch files in case you like to edit your project deps locally.
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/.fetch
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# If the VM crashes, it generates a dump, let's ignore it too.
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erl_crash.dump
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# Also ignore archive artifacts (built via "mix archive.build").
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*.ez
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# Ignore package tarball (built via "mix hex.build").
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aoc2024-*.tar
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# Temporary files, for example, from tests.
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/tmp/
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.envrc
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/input/
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1
2024/.iex.exs
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1
2024/.iex.exs
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@ -0,0 +1 @@
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import AOC.IEx
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@ -1,3 +0,0 @@
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[tools]
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gleam = "1.6.1"
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erlang = "27.1.2"
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@ -2,8 +2,9 @@
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| S | M | T | W | T | F | S |
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| :-: | :-: | :-: | :-: | :-: | :-: | :-: |
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| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
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| 8 | 9 | 10 | 11 | 12 | 13 | 14 |
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| 15 | 16 | 17 | 18 | 19 | 20 | 21 |
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| 22 | 23 | 24 | 25 | | | |
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| [1] | 2 | 3 | 4 | 5 | 6 | 7 |
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| 8 | 9 | 10 | 11 | 12 | 13 | 14 |
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| 15 | 16 | 17 | 18 | 19 | 20 | 21 |
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| 22 | 23 | 24 | 25 | | | |
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[1]: ./lib/2024/1.ex
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8
2024/config/config.exs
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8
2024/config/config.exs
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import Config
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config :advent_of_code_utils,
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session: System.fetch_env!("AOC_SESSION"),
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auto_compile?: true,
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time_calls?: true
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config :iex, inspect: [charlists: :as_lists]
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@ -1,22 +0,0 @@
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name = "aoc"
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version = "1.0.0"
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# Fill out these fields if you intend to generate HTML documentation or publish
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# your project to the Hex package manager.
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#
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# description = ""
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# licences = ["Apache-2.0"]
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# repository = { type = "github", user = "", repo = "" }
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# links = [{ title = "Website", href = "" }]
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#
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# For a full reference of all the available options, you can have a look at
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# https://gleam.run/writing-gleam/gleam-toml/.
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[dependencies]
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gleam_stdlib = ">= 0.34.0 and < 2.0.0"
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glint = ">= 1.1.0 and < 2.0.0"
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argv = ">= 1.0.2 and < 2.0.0"
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birl = ">= 1.7.1 and < 2.0.0"
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[dev-dependencies]
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gleeunit = ">= 1.0.0 and < 2.0.0"
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34
2024/lib/2024/1.ex
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34
2024/lib/2024/1.ex
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import AOC
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aoc 2024, 1 do
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def p1(input) do
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{left, right} = read_input(input)
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left
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|> Enum.sort()
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|> Enum.zip_with(Enum.sort(right), &abs(&1 - &2))
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|> Enum.sum()
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end
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def p2(input) do
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{left, right} = read_input(input)
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right_list_freqs = Enum.frequencies(right)
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left
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|> Enum.map(&(&1 * Map.get(right_list_freqs, &1, 0)))
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|> Enum.sum()
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end
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defp read_input(input) do
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input
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|> String.split("\n")
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|> Enum.map(fn line ->
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line
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|> String.split()
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|> Enum.map(&String.to_integer/1)
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|> List.to_tuple()
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end)
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|> Enum.unzip()
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end
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end
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@ -1,22 +0,0 @@
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# This file was generated by Gleam
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# You typically do not need to edit this file
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packages = [
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{ name = "argv", version = "1.0.2", build_tools = ["gleam"], requirements = [], otp_app = "argv", source = "hex", outer_checksum = "BA1FF0929525DEBA1CE67256E5ADF77A7CDDFE729E3E3F57A5BDCAA031DED09D" },
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{ name = "birl", version = "1.7.1", build_tools = ["gleam"], requirements = ["gleam_stdlib", "ranger"], otp_app = "birl", source = "hex", outer_checksum = "5C66647D62BCB11FE327E7A6024907C4A17954EF22865FE0940B54A852446D01" },
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{ name = "gleam_community_ansi", version = "1.4.1", build_tools = ["gleam"], requirements = ["gleam_community_colour", "gleam_stdlib"], otp_app = "gleam_community_ansi", source = "hex", outer_checksum = "4CD513FC62523053E62ED7BAC2F36136EC17D6A8942728250A9A00A15E340E4B" },
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{ name = "gleam_community_colour", version = "1.4.1", build_tools = ["gleam"], requirements = ["gleam_json", "gleam_stdlib"], otp_app = "gleam_community_colour", source = "hex", outer_checksum = "386CB9B01B33371538672EEA8A6375A0A0ADEF41F17C86DDCB81C92AD00DA610" },
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{ name = "gleam_json", version = "2.1.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_json", source = "hex", outer_checksum = "0A57FB5666E695FD2BEE74C0428A98B0FC11A395D2C7B4CDF5E22C5DD32C74C6" },
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{ name = "gleam_stdlib", version = "0.43.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "69EF22E78FDCA9097CBE7DF91C05B2A8B5436826D9F66680D879182C0860A747" },
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{ name = "gleeunit", version = "1.2.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "F7A7228925D3EE7D0813C922E062BFD6D7E9310F0BEE585D3A42F3307E3CFD13" },
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{ name = "glint", version = "1.1.0", build_tools = ["gleam"], requirements = ["gleam_community_ansi", "gleam_community_colour", "gleam_stdlib", "snag"], otp_app = "glint", source = "hex", outer_checksum = "A3F1B7C665FD216BE6A886D56537F0E095FB07DF62146074109270B798F8CEC4" },
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{ name = "ranger", version = "1.2.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "ranger", source = "hex", outer_checksum = "1566C272B1D141B3BBA38B25CB761EF56E312E79EC0E2DFD4D3C19FB0CC1F98C" },
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{ name = "snag", version = "0.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "snag", source = "hex", outer_checksum = "54D32E16E33655346AA3E66CBA7E191DE0A8793D2C05284E3EFB90AD2CE92BCC" },
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]
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[requirements]
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argv = { version = ">= 1.0.2 and < 2.0.0" }
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birl = { version = ">= 1.7.1 and < 2.0.0" }
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gleam_stdlib = { version = ">= 0.34.0 and < 2.0.0" }
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gleeunit = { version = ">= 1.0.0 and < 2.0.0" }
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glint = { version = ">= 1.1.0 and < 2.0.0" }
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28
2024/mix.exs
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28
2024/mix.exs
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defmodule Aoc2024.MixProject do
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use Mix.Project
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def project do
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[
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app: :aoc2024,
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version: "0.1.0",
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elixir: "~> 1.17",
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start_permanent: Mix.env() == :prod,
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deps: deps()
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]
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end
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# Run "mix help compile.app" to learn about applications.
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def application do
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[
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extra_applications: [:logger]
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]
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end
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# Run "mix help deps" to learn about dependencies.
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defp deps do
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[
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{:advent_of_code_utils, "~> 4.0"},
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{:styler, "~> 1.2", only: [:dev, :test], runtime: false}
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]
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end
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end
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6
2024/mix.lock
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6
2024/mix.lock
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%{
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"advent_of_code_utils": {:hex, :advent_of_code_utils, "4.0.1", "591073a49600cbceae6d92e0fb2d2c56b59f6d383851e2a7c00c3bf0e4f33f4f", [:mix], [{:floki, "~> 0.34", [hex: :floki, repo: "hexpm", optional: false]}, {:tz, "~> 0.26", [hex: :tz, repo: "hexpm", optional: false]}], "hexpm", "684d016883d7b5443d9d22abc34013fb6f1d5d9ff114859a40890545a570eec8"},
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"floki": {:hex, :floki, "0.36.3", "1102f93b16a55bc5383b85ae3ec470f82dee056eaeff9195e8afdf0ef2a43c30", [:mix], [], "hexpm", "fe0158bff509e407735f6d40b3ee0d7deb47f3f3ee7c6c182ad28599f9f6b27a"},
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"styler": {:hex, :styler, "1.2.1", "28f9e3d4b065c22575c56b8ae03d05188add1b21bec5ae664fc1551e2dfcc41b", [:mix], [], "hexpm", "71dc33980e530d21ca54db9c2075e646faa6e7b744a9d4a3dfb0ff01f56595f0"},
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"tz": {:hex, :tz, "0.28.1", "717f5ffddfd1e475e2a233e221dc0b4b76c35c4b3650b060c8e3ba29dd6632e9", [:mix], [{:castore, "~> 0.1 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: true]}, {:mint, "~> 1.6", [hex: :mint, repo: "hexpm", optional: true]}], "hexpm", "bfdca1aa1902643c6c43b77c1fb0cb3d744fd2f09a8a98405468afdee0848c8a"},
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}
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import argv
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import birl
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import gleam/int
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import gleam/io
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import gleam/list
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import gleam/string
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import glint
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fn day_flag() -> glint.Flag(Int) {
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let flag =
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glint.int_flag("day")
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|> glint.flag_help("The day to run")
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case birl.now() |> birl.get_day() {
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birl.Day(year: _, month: 12, date: date) ->
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flag
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|> glint.flag_default(date)
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_ -> flag
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}
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}
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fn parts_flag() -> glint.Flag(List(Int)) {
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glint.ints_flag("part")
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|> glint.flag_default([1, 2])
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|> glint.flag_help("The part(s) to run")
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}
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fn run() -> glint.Command(Nil) {
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use day <- glint.flag(day_flag())
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use parts <- glint.flag(parts_flag())
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use _, _, flags <- glint.command()
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let assert Ok(day) = day(flags)
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let assert Ok(parts) = parts(flags)
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io.println(int.to_string(day))
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parts
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|> list.map(int.to_string)
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|> string.join(", ")
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|> io.println()
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}
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pub fn main() {
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glint.new()
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|> glint.with_name("run")
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|> glint.pretty_help(glint.default_pretty_help())
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|> glint.add(at: [], do: run())
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|> glint.run(argv.load().arguments)
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}
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import gleeunit
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import gleeunit/should
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pub fn main() {
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gleeunit.main()
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}
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// gleeunit test functions end in `_test`
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pub fn hello_world_test() {
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1
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|> should.equal(1)
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}
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@ -15,7 +15,7 @@
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| [2021] | **43/50** 🌟 | Elixir |
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| [2022] | **14/50** 🌟 | Elixir, Haskell |
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| [2023] | **19/50** 🌟 | Elixir, Haskell |
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| [2024] | | |
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| [2024] | **2/50** 🌟 | Elixir |
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[2015]: ./2015
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[2017]: ./2017
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