35 lines
774 B
JavaScript
35 lines
774 B
JavaScript
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import fs from "fs-extra";
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import fp from "lodash/fp.js";
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import _ from "lodash";
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export const digits = {
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0: 'abcefg', // 6
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1: 'cf', // 2
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2: 'acdeg', // 5
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3: 'acdfg', // 5
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4: 'bcdf', // 4
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5: 'abdfg', // 5
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6: 'abdefg', // 6
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7: 'acf', // 3
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8: 'abcdefg',// 7
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9: 'abcdfg', // 6
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}
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export const processInput = (lines) => {
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return lines.split("\n").filter(x=>x).map( line => {
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let [ input, output ] = line.split(' | ').map(
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x => x.split(' ').map( x => x.split('').sort() )
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);
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return {input, output};
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}
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)
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};
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/** @return {number} */
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export function solution(lines) {
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return lines.map(fp.get('output')).flat().filter(
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x => [2,4,3,7].includes(x.length )
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).length
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}
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