aoc/aoc_2021/day-01/part_2.ts
2023-12-01 16:05:44 -07:00

31 lines
761 B
TypeScript

export const main = async (lines: string[]): Promise<number | string> => {
return lines
.map((x) => Number(x))
.map((_num, i, arr) => {
if (i > arr.length - 3) return -1;
return arr.slice(i, i + 3).reduce((acc, x) => acc + x, 0);
})
.map((num, i, arr) => {
return i > 0 && arr[i - 1] < num;
})
.filter((x) => x).length;
};
//
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);
}