From 497dc1ea9de502761c00ead6de62abe6eeea67d6 Mon Sep 17 00:00:00 2001
From: Oscar Najera <hi@oscarnajera.com>
Date: Thu, 26 Jan 2023 22:21:48 +0100
Subject: more julia

---
 AoC2022/04/solver.jl | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 AoC2022/04/solver.jl

(limited to 'AoC2022/04/solver.jl')

diff --git a/AoC2022/04/solver.jl b/AoC2022/04/solver.jl
new file mode 100644
index 0000000..0f512ae
--- /dev/null
+++ b/AoC2022/04/solver.jl
@@ -0,0 +1,15 @@
+
+using Test
+
+subinterval(a0, a1, b0, b1) = a0<= b0 && a1 >= b1
+subcontained(a0, a1, b0, b1) = subinterval(a0, a1, b0, b1) || subinterval(b0, b1, a0, a1)
+overlap(a0, a1, b0, b1) = a0 <= b1 && b0 <= a1
+
+data = open("input") do f
+    map(l-> parse.(Int, l), eachsplit.(eachsplit(read(f,String)), r"[,-]"))
+end
+
+@testset "solutions" begin
+    @test map(l-> subcontained(l...) ,data) |>sum == 515
+    @test map(l-> overlap(l...) ,data) |>sum == 883
+end
-- 
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