aoc24-25.mts

import { Advent, f, fm, chr, ord } from "advent";
import { Set, Map } from "immutable";

const { compute, computeCheck } = await Advent({ day: 25 });

compute(1, async (input) => {
	const data = input.parse(f.nnl(f.cGrid()));
	const locks = data.filter((grid) => grid[0][0] === "#");
	const keys = data.filter((grid) => grid[0][0] === ".");
	let ans = 0;

	for (const l of locks) {
		for (const k of keys) {
			let ok = true;
			for (let i = 0; i < data[0].length; i++) {
				for (let j = 0; j < data[0][0].length; j++) {
					if (l[i][j] === "#" && k[i][j] === "#") {
						ok = false;
					}
				}
			}
			if (ok) {
				ans++;
			}
		}
	}
	return ans;
});