2024 day 05 solution ⭐ ⭐

wasi0013 · Dec 5, 2024 · 7e147b4 · 7e147b4
1 parent 4948231
commit 7e147b4
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/lib/y2024/day_05.ex b/lib/y2024/day_05.ex
@@ -64,9 +64,7 @@ defmodule Aoc.Y2024.Day05 do
   def is_valid?(list, order) do
     Enum.reduce_while(list, {[], true}, fn num, {visited, is_valid} ->
       if Map.has_key?(order, num) do
-        restricted = Map.get(order, num, [])
-
-        if Enum.any?(restricted, &(&1 in visited)) do
+        if Enum.any?(Map.get(order, num, []), &(&1 in visited)) do
           {:halt, {visited, false}}
         else
           {:cont, {[num | visited], is_valid}}