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day 6

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Ben Kyd
2022-12-06 09:52:04 +00:00
parent f5e0a130ca
commit 545bc71c35
2 changed files with 16 additions and 0 deletions
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const fs = require('fs');
const searchSoP = (buffer, uniqueness) => {
let ret = [];
for (let i = 0; i < buffer.length; i++) {
ret.push(buffer.charAt(i));
if (ret.length > uniqueness) ret.shift();
if (ret.length == uniqueness && (new Set(ret)).size == ret.length) return { str: ret, i: i };
}
}
const dataStream = fs.readFileSync('6.input').toString();
console.log(`Part 1: ${searchSoP(dataStream, 4).i + 1}`);
console.log(`Part 2: ${searchSoP(dataStream, 14).i + 1}`);