Day Three

day03.livemd

@@ -0,0 +1,45 @@
+# Day03
+
+```elixir
+Mix.install([
+  {:kino, "~> 0.14.2"},
+])
+```
+
+## Run Me
+
+[![Run in Livebook](https://livebook.dev/badge/v1/blue.svg)](https://livebook.dev/run?url=https%3A%2F%2Fgit.kev.pub%2Fkev%2Faoc2024%2Fraw%2Fbranch%2Fmain%2Fday01.livemd)
+
+## Input
+
+```elixir
+input = Kino.Input.textarea("Input")
+```
+
+## Part One
+
+```elixir
+defmodule PartOne do
+  def run(input) do
+    Regex.scan(~r/mul\((\d+),(\d+)\)/, input)
+    |> Enum.map(fn [_, a, b] -> String.to_integer(a) * String.to_integer(b) end)
+    |> Enum.sum  
+  end
+end
+
+input
+|> Kino.Input.read
+|> PartOne.run
+```
+
+## Part Two
+
+```elixir
+input
+|> Kino.Input.read
+|> String.split("do()")
+|> Enum.map(fn s -> s |> String.split("don't()") |> hd end)
+|> Enum.map(&PartOne.run/1)
+|> List.flatten
+|> Enum.sum
+```