26 lines
509 B
JavaScript
26 lines
509 B
JavaScript
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import fs from "fs";
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/**
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* Main function for Puzzle A
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*
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* @param {string} data - Puzzle input as a single string.
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*/
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async function main(data) {
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const rows = data.split("\n").map((line) => parseInt(line));
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for (const a of rows) {
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for (const b of rows) {
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if (a + b === 2020) {
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return a * b;
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}
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}
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}
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throw new Error("No solution found!");
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}
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fs.readFile("input", (err, data) => {
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if (err) throw err;
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main(data.toString()).then(console.log).catch(console.error);
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});
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