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26 lines
612 B
JavaScript
26 lines
612 B
JavaScript
4 years ago
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const fs = require("fs");
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const filename = "input";
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async function main() {
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const file = await fs.promises.readFile(filename, "utf-8");
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const expenses = file.split("\n").map((num) => parseInt(num));
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console.log(expenses);
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for (let i = 0; i < expenses.length; i++) {
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const a = expenses[i];
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const counterpart = 2020 - a;
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for (let j = 0; j < expenses.length; j++) {
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const b = expenses[j];
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for (let k = 0; k < expenses.length; k++) {
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const c = expenses[k];
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if (a + b + c === 2020) {
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console.log(a, b, c, a * b * c);
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}
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}
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}
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}
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}
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main();
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