22 lines
359 B
JavaScript
22 lines
359 B
JavaScript
const fs = require('fs');
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let input = fs.readFileSync('input.txt', 'utf-8');
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let freq = 0;
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let history = [0];
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found = false;
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while (!found) {
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for (let line of input.split('\n')) {
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num = parseInt(line);
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if (num) {
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freq += num;
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}
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if (history.includes(freq)) {
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found = true;
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break;
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} else {
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history.push(freq);
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}
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}
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}
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console.log(freq)
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