final test for the setup. aoc 2021 / 2

7 files changed, 1119 insertions, 0 deletions

diff --git a/aoc_2021/day-02/example.test.ts b/aoc_2021/day-02/example.test.ts
new file mode 100644
index 0000000..d1cb264
--- /dev/null
+++ b/aoc_2021/day-02/example.test.ts
@@ -0,0 +1,22 @@
+import { expect, test } from "bun:test";
+import { main as part1 } from "./part_1";
+import { main as part2 } from "./part_2";
+
+const example = `forward 5
+down 5
+forward 8
+up 3
+down 8
+forward 2`.split("\n");
+
+test("part1", async () => {
+  const answer = 150;
+  const res = await part1(example);
+  expect(res).toEqual(answer);
+});
+
+test("part2", async () => {
+  const answer = 900;
+  const res = await part2(example);
+  expect(res).toEqual(answer);
+});
diff --git a/aoc_2021/day-02/logs/.gitkeep b/aoc_2021/day-02/logs/.gitkeep
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/aoc_2021/day-02/logs/.gitkeep
diff --git a/aoc_2021/day-02/logs/out_1.txt b/aoc_2021/day-02/logs/out_1.txt
new file mode 100644
index 0000000..11e1c20
--- /dev/null
+++ b/aoc_2021/day-02/logs/out_1.txt
@@ -0,0 +1,7 @@
+=== COMPUTATION ===
+
+
+=== /COMPUTATION ===
+
+=== ANSWER TO P1 ===
+1480518
diff --git a/aoc_2021/day-02/logs/out_2.txt b/aoc_2021/day-02/logs/out_2.txt
new file mode 100644
index 0000000..eb0d962
--- /dev/null
+++ b/aoc_2021/day-02/logs/out_2.txt
@@ -0,0 +1,7 @@
+=== COMPUTATION ===
+
+
+=== /COMPUTATION ===
+
+=== ANSWER TO P2 ===
+1282809906
diff --git a/aoc_2021/day-02/part_1.ts b/aoc_2021/day-02/part_1.ts
new file mode 100644
index 0000000..ecd75aa
--- /dev/null
+++ b/aoc_2021/day-02/part_1.ts
@@ -0,0 +1,41 @@
+export const main = async (lines: string[]): Promise<number | string> => {
+  const { depth, horiz } = lines
+    .map((line) => line.split(" "))
+    .reduce(
+      (acc, [dir, delta]) => {
+        const d = Number(delta);
+        if (dir === "forward") {
+          acc.horiz += d;
+        }
+
+        if (dir === "up") {
+          acc.depth -= d;
+        }
+        if (dir === "down") {
+          acc.depth += d;
+        }
+        return acc;
+      },
+      { horiz: 0, depth: 0 },
+    );
+
+  return depth * horiz;
+};
+
+//
+
+const isrun = process.argv.length > 1 && process.argv[1] === import.meta.path;
+if (isrun) {
+  const file = Bun.file("./problem.txt");
+  const text = await file.text();
+  const lines = text.split("\n");
+
+  console.log("=== COMPUTATION ===\n");
+
+  const answer = await main(lines);
+
+  console.log("\n=== /COMPUTATION ===\n");
+
+  console.log("=== ANSWER TO P1 ===");
+  console.log(answer);
+}
diff --git a/aoc_2021/day-02/part_2.ts b/aoc_2021/day-02/part_2.ts
new file mode 100644
index 0000000..3451ba3
--- /dev/null
+++ b/aoc_2021/day-02/part_2.ts
@@ -0,0 +1,42 @@
+export const main = async (lines: string[]): Promise<number | string> => {
+  const { depth, horiz } = lines
+    .map((line) => line.split(" "))
+    .reduce(
+      (acc, [dir, delta]) => {
+        const d = Number(delta);
+        if (dir === "forward") {
+          acc.horiz += d;
+          acc.depth += acc.aim * d;
+        }
+
+        if (dir === "up") {
+          acc.aim -= d;
+        }
+        if (dir === "down") {
+          acc.aim += d;
+        }
+        return acc;
+      },
+      { horiz: 0, depth: 0, aim: 0 },
+    );
+
+  return depth * horiz;
+};
+
+//
+
+const isrun = process.argv.length > 1 && process.argv[1] === import.meta.path;
+if (isrun) {
+  const file = Bun.file("./problem.txt");
+  const text = await file.text();
+  const lines = text.split("\n");
+
+  console.log("=== COMPUTATION ===\n");
+
+  const answer = await main(lines);
+
+  console.log("\n=== /COMPUTATION ===\n");
+
+  console.log("=== ANSWER TO P2 ===");
+  console.log(answer);
+}
diff --git a/aoc_2021/day-02/problem.txt b/aoc_2021/day-02/problem.txt
new file mode 100644
index 0000000..9e714f9
--- /dev/null
+++ b/aoc_2021/day-02/problem.txt
@@ -0,0 +1,1000 @@
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