import { readFileSync } from "fs"; const t0 = performance.now(); const cardPattern = [ [1, 1, 1, 1, 1], [2, 1, 1, 1], [2, 2, 1], [3, 1, 1], [3, 2], [4, 1], [5], ]; const cards = ["A", "K", "Q", "J", "T", "9", "8", "7", "6", "5", "4", "3", "2"]; const input = readFileSync("input.txt") .toString() .split("\n") .filter((e) => e.length > 0); const plays = input .map((p) => { const [draw, bidding] = p.split(" "); const count = draw .split("") .map((e) => cards.indexOf(e)) .sort((a, b) => b - a) .reduce((a, i) => { const t = a; t[i] = (t[i] ?? 0) + 1; return t; }, {}); const pattern = Object.keys(count) .map((e) => count[e]) .sort((a, b) => b - a); const hand = cardPattern.findIndex((a) => a.every((b, c) => b === pattern[c]) ); return { hand, draw, bidding: parseInt(bidding) }; }) .sort((a, b) => { const type = a.hand - b.hand; if (type !== 0) return type; for (const [i, c] of a.draw.split("").entries()) { const p1 = cards.indexOf(c); const p2 = cards.indexOf(b.draw[i]); if (p1 === p2) continue; return p1 > p2 ? -1 : 1; } return 0; }) .map((e, i) => e.bidding * (i + 1)) .reduce((a, i) => a + i); console.log(plays); const t1 = performance.now(); console.log(`Runtime: ${t1 - t0}ms`);