2022 - Day 1

2022-12-04 15:06:18 +01:00
commit ed914e3efd
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+const sample = await Deno.readTextFile("sample.txt");
+const input = await Deno.readTextFile("input.txt");
+
+const solvePart1 = (data: string): number | undefined =>
+  data
+    .split("\n\n")
+    .map((elf) =>
+      elf
+        .split("\n")
+        .filter(Boolean)
+        .map((value) => parseInt(value, 10))
+        .reduce((sum, value) => sum + value, 0)
+    )
+    .sort((a, b) => a - b)
+    .pop();
+
+console.log("Sample:", solvePart1(sample));
+console.log("Input", solvePart1(input));
+
+const solvePart2 = (data: string): number =>
+  data
+    .split("\n\n")
+    .map((elf) =>
+      elf
+        .split("\n")
+        .filter(Boolean)
+        .map((value) => parseInt(value, 10))
+        .reduce((sum, value) => sum + value, 0)
+    )
+    .sort((a, b) => b - a)
+    .slice(0, 3)
+    .reduce((sum, value) => sum + value, 0);
+
+console.log("Sample:", solvePart2(sample));
+console.log("Input", solvePart2(input));