2022 Day 1

Author: zacklukem

2022/src/day1a.al

@@ -0,0 +1,12 @@
+def run(input) = {
+    input
+        |> String.split("\n\n")
+        |> Enum.map(/x/
+            String.split(x, "\n")
+                |> Enum.map(Int.from_string)
+                |> Enum.sum()
+        )
+        |> Enum.max()
+}
+
+def main() = File.read_string(".input.txt") |> run() |> println()

2022/src/day1b.al

@@ -0,0 +1,15 @@
+def run(input) = {
+    input
+        |> String.split("\n\n")
+        |> Enum.map(/x/
+            String.split(x, "\n")
+                |> Enum.map(Int.from_string)
+                |> Enum.sum()
+        )
+        |> Enum.sort()
+        |> Enum.rev()
+        |> Enum.take(3)
+        |> Enum.sum()
+}
+
+def main() = File.read_string(".input.txt") |> run() |> println()

2022/test/test_day1.al

@@ -0,0 +1,22 @@
+def input() = "1000
+2000
+3000
+
+4000
+
+5000
+6000
+
+7000
+8000
+9000
+
+10000"
+
+def test_day1a() = {
+    assert_eq(Day1a.run(input()), 24000)
+}
+
+def test_day1b() = {
+    assert_eq(Day1b.run(input()), 45000)
+}