aoc/2023/02/part1.ts
2023-12-02 13:41:07 +00:00

49 lines
910 B
TypeScript

const file = Bun.file("input.txt");
const input = await file.text();
const lines = input.trim().split("\n");
class Game {
id: number;
rounds: Round[];
constructor(input:string) {
const [name, res] = input.split(":");
this.id = Number(name.split(" ")[1]);
this.rounds = res.split(";").map(round =>
round.split(",").reduce<Round>((p: Round, s) => {
let [amt, name] = s.trim().split(" ");
p[name] = Number(amt);
return p;
}, {green: 0, red: 0, blue: 0})
);
}
validate(limits: Round): boolean {
return this.rounds.every(round =>
Object.keys(round).every(color => round[color] <= limits[color])
);
}
}
interface Round {
red: number,
green: number,
blue: number,
}
const games: Game[] = lines.map(line => new Game(line));
const limits = {
red: 12,
green: 13,
blue: 14,
}
console.log(games.reduce((p, game) => p + (game.validate(limits) ? game.id : 0), 0))