aoc/aoc_2021/day-02/part_1.ts
2023-12-01 16:13:41 -07:00

42 lines
909 B
TypeScript

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);
}