23 lines
594 B
JavaScript
23 lines
594 B
JavaScript
|
import fs from "fs";
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Main function for Puzzle A
|
||
|
|
*
|
||
|
|
* @param {string} data - Puzzle input as a single string.
|
||
|
|
* @returns {number} The highest Seat ID in the puzzle input.
|
||
|
|
*/
|
||
|
|
async function main(data) {
|
||
|
|
const entries = data
|
||
|
|
.split(/\r?\n/)
|
||
|
|
.map((line) => line.replace(/[FL]/g, "0").replace(/[BR]/g, "1"))
|
||
|
|
.map((line) => line.match(/^(?<y>[01]{7})(?<x>[01]{3})$/))
|
||
|
|
.map((entry) => parseInt(entry[0], 2));
|
||
|
|
|
||
|
|
return Math.max(...entries);
|
||
|
|
}
|
||
|
|
|
||
|
|
fs.readFile("input", (err, data) => {
|
||
|
|
if (err) throw err;
|
||
|
|
main(data.toString()).then(console.log).catch(console.error);
|
||
|
|
});
|