AoC-23/Day2/Part2.js

31 lines
770 B
JavaScript

import { readFileSync } from "fs";
const t0 = performance.now();
const lines = readFileSync("input.txt")
.toString()
.split("\n")
.filter((e) => e.length > 0);
const powers = lines.map((e) => {
const pulls = e.split(":")[1].trim().split(";");
const min = { red: 0, green: 0, blue: 0 };
pulls.forEach((cubes) => {
const values = cubes.split(",").map((e) => e.trim());
values.forEach((e) => {
const splits = e.split(" ");
const color = splits[1];
const amount = parseInt(splits[0]);
min[color] = Math.max(min[color], amount);
});
});
return Object.keys(min)
.map((e) => min[e])
.reduce((a, i) => a * i);
});
const sum = powers.reduce((a, i) => a + i);
console.log(sum);
const t1 = performance.now();
console.log(`Runtime: ${t1 - t0}ms`);