31 lines
629 B
JavaScript
31 lines
629 B
JavaScript
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const fs = require('fs');
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// const inputArray = fs.readFileSync('sample.txt').toString().split("\n");
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const inputArray = fs.readFileSync('input.txt').toString().split("\n");
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const buffer = inputArray[0];
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// Part One
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for (let i = 4; i < buffer.length; i++) {
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const chars = buffer.substring(i-4, i).split("");
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let unique = [...new Set(chars)];
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if (unique.length === 4) {
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console.log(i)
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break;
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}
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}
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// Part Two
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for (let i = 14; i < buffer.length; i++) {
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const chars = buffer.substring(i-14, i).split("");
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let unique = [...new Set(chars)];
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if (unique.length === 14) {
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console.log(i)
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break;
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}
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}
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