25 lines
745 B
JavaScript
25 lines
745 B
JavaScript
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#!/bin/node
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const fs = require('fs');
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fs.readFile('input.txt', (err, data) => {
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const numbers = data.toString().split('\n').map(n => parseInt(n));
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for (let i = 0; i < numbers.length; i++) {
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for (let j = i + 1; j < numbers.length; j++) {
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if (numbers[i] + numbers[j] === 2020) {
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console.log(numbers[i] * numbers[j]);
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}
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}
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}
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for (let i = 0; i < numbers.length; i++) {
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for (let j = i + 1; j < numbers.length; j++) {
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for (let k = j + 1; k < numbers.length; k++) {
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if (numbers[i] + numbers[j] + numbers[k] === 2020) {
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console.log(numbers[i] * numbers[j] * numbers[k]);
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}
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}
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}
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}
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});
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