1 files changed, 12 insertions, 0 deletions
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