46 lines
903 B
Elixir
46 lines
903 B
Elixir
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defmodule Aoc.Solution.Day01 do
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@name "Day 1: Calorie Counting"
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@behaviour Solution
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@impl Solution
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def get_name, do: @name
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@impl Solution
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def present(solution), do: "Most carrying elf is carrying #{solution} cal worth of snacks"
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@impl Solution
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def present_again(solution),
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do: "3 most carrying elfes are carrying #{solution} cal worth of snacks"
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@impl Solution
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def parse!(raw) do
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raw
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|> Aoc.Utils.parse_values("\n\n")
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|> Enum.map(&Aoc.Utils.parse_values/1)
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end
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@impl Solution
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def solve(input) do
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input
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|> Enum.map(&sum_calories/1)
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|> Enum.max()
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end
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@impl Solution
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def solve_again(input) do
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[a, b, c | _] =
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input
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|> Enum.map(&sum_calories/1)
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|> Enum.sort()
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|> Enum.reverse()
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Enum.sum([a, b, c])
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end
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def sum_calories(rows) do
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rows
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|> Enum.map(&String.to_integer/1)
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|> Enum.sum()
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end
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end
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