mirror of
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39 lines
946 B
JavaScript
39 lines
946 B
JavaScript
import { readFileSync } from "fs";
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const t0 = performance.now();
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const lines = readFileSync("input.txt")
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.toString()
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.split("\n")
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.filter((e) => e.length > 0);
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const ids = lines.map((e) => {
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const current = parseInt(e.match(/^Game (\d{1,3}):/)[1]);
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const pulls = e.split(":")[1].trim().split(";");
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let failure = false;
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for (const cubes of pulls) {
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const values = cubes.split(",").map((e) => e.trim());
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const bag = { red: 12, green: 13, blue: 14 };
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values.forEach((e) => {
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const splits = e.split(" ");
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const color = splits[1];
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const amount = parseInt(splits[0]);
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bag[color] = bag[color] - amount;
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});
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if (
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Object.keys(bag)
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.map((e) => bag[e])
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.filter((e) => e < 0).length > 0
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) {
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failure = true;
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break;
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}
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}
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return failure ? -1 : current;
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});
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const sum = ids.filter((e) => e >= 0).reduce((a, i) => a + i);
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console.log(sum);
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const t1 = performance.now();
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console.log(`Runtime: ${t1 - t0}ms`);
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