35 lines
849 B
JavaScript
35 lines
849 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 groups = data.toString()
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.split('\n\n')
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.map(group => group.split('\n')
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.filter(person => person.length > 0));
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let q1 = 0;
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let q2 = 0;
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for (const group of groups) {
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let q1Questions = [];
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let q2Questions = [];
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for (const person of group) {
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for (const question of person) {
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if (q1Questions.indexOf(question) < 0) {
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q1Questions.push(question);
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if (group.every(person => person.indexOf(question) >= 0)) {
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q2Questions.push(question);
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}
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}
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}
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}
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q1 += q1Questions.length;
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q2 += q2Questions.length;
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}
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console.log(q1, q2);
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});
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