adventofcode/2022/07/part2.js

import * as R from "remeda";

import { cumulative, parseInput } from "./part1.js";

export default (lines) => {
  let cumu = R.pipe(lines, parseInput, cumulative);

  console.log(cumu);

  const spaceNeeded = 30000000 - 70000000 + cumu["/"];

  cumu = R.pickBy(cumu, (v) => v >= spaceNeeded);

  return R.pipe(
    R.keys(cumu),
    R.sortBy((k) => cumu[k]),
    R.first,
    (k) => cumu[k]
  );
};