61 lines
1.3 KiB
Elixir
61 lines
1.3 KiB
Elixir
defmodule Aoc19 do
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@moduledoc """
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Solutions for Advent of Code 2019, written in Elixir 1.9.2.
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"""
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def solve_all() do
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"""
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ADVENT OF CODE 2019
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===================
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"""
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|> IO.puts()
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1..25 |> Enum.map(&solve/1)
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end
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def solve(n) do
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id = n |> Integer.to_string() |> String.pad_leading(2, "0")
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case File.read("./inputs/" <> id <> ".in") do
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{:error, _} ->
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nil
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{:ok, input} ->
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input
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|> run(id)
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|> present
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|> IO.puts()
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end
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end
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def run(input, id) do
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solution_module = Module.concat(["Aoc19.Solution", "Day" <> id])
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data = apply(solution_module, :parse!, [input])
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name = apply(solution_module, :get_name, [])
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first_solution = apply(solution_module, :solve_first_part, [data])
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second_solution = apply(solution_module, :solve_second_part, [data])
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[name, first_solution, second_solution]
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end
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@doc """
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Generates a CLI-friendly presentation of the solutions.
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## Examples
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iex> Aoc19.present(["Day 1: tomten kommer", "10", "20"])
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"Day 1: tomten kommer\\n--------------------\\n\\n1. 10\\n2. 20\\n"
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"""
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def present([name, first_solution, second_solution]) do
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"""
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#{name}
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#{1..String.length(name) |> Enum.map_join(fn _x -> "-" end)}
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1. #{first_solution}
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2. #{second_solution}
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"""
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end
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end
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