Switched from maps to lists for the gates

day24/main.exs

@@ -1,6 +1,6 @@
 defmodule Day24 do
   def run do
-    {wires, gates} = parse_input("test.txt")
+    {wires, gates} = parse_input("data.txt")
 
     # part1
     part1 = run_loop(wires, gates) |> wire_value("z") |> b_to_d()
@@ -41,15 +41,12 @@ defmodule Day24 do
   end
 
   defp run(wires, gates) do
-    Enum.reduce(gates, wires, fn {{left, right}, effects}, acc ->
+    Enum.reduce(gates, wires, fn %{left: left, right: right, output: output, op: op}, acc ->
       l = Map.get(wires, left, nil)
       r = Map.get(wires, right, nil)
 
       if !is_nil(l) and !is_nil(r) do
-        Enum.reduce(effects, acc, fn {op, output}, acc2 ->
-          res = op.(l, r)
-          Map.put(acc2, output, res)
-        end)
+        Map.put(acc, output, op.(l, r))
       else
         acc
       end
@@ -70,7 +67,7 @@ defmodule Day24 do
       end)
 
     gates =
-      Enum.reduce(gates, %{}, fn el, map ->
+      Enum.reduce(gates, [], fn el, map ->
         [logic, output] = String.split(el, " -> ")
         [left, op, right] = String.split(logic, " ")
 
@@ -81,7 +78,7 @@ defmodule Day24 do
             "XOR" -> &Bitwise.bxor/2
           end
 
-        Map.update(map, {left, right}, [{op, output}], fn acc -> [{op, output} | acc] end)
+        [%{left: left, right: right, op: op, output: output} | map]
       end)
 
     {wires, gates}