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23 lines
439 B
JavaScript
23 lines
439 B
JavaScript
import { readFileSync } from "fs";
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const t0 = performance.now();
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const input = readFileSync("input.txt")
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.toString()
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.split(/\r*\n/)
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.filter((e) => e.length > 0)
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.map((e) => e.split(""));
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const expand = (arr) =>
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arr.reduce(
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(a, i) => [
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...a,
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...(i.some((e) => e !== ".") ? [i] : [i, Array(i.length).fill(".")]),
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],
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[]
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);
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console.log(expand(input));
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const t1 = performance.now();
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console.log(`Runtime: ${t1 - t0}ms`);
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