From c7f01066164817bbf624f2e7a63c6ac0aeea5f61 Mon Sep 17 00:00:00 2001
From: Oscar Najera <hi@oscarnajera.com>
Date: Thu, 26 Jan 2023 22:09:57 +0100
Subject: Learning some julia

---
 AoC2022/03/solver.jl | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 AoC2022/03/solver.jl

(limited to 'AoC2022/03/solver.jl')

diff --git a/AoC2022/03/solver.jl b/AoC2022/03/solver.jl
new file mode 100644
index 0000000..1ebadbf
--- /dev/null
+++ b/AoC2022/03/solver.jl
@@ -0,0 +1,12 @@
+using Test
+
+data = open("input") do f
+    split(read(f, String))
+end
+
+priority(x) = islowercase(x) ? x - 'a' + 1 : x - 'A' +27
+
+@testset "solutions" begin
+    @test map(s-> intersect(s[1:length(s)÷2], s[length(s)÷2+1:end])[1] |> priority, data) |> sum == 8072
+    @test [intersect(data[i:i+2]...)[1] for i ∈ 1:3:length(data)] .|> priority |> sum == 2567
+end
-- 
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