expeditaet/solutions/typescript/2018/13/src/p2.ts

Advent of Code Solutions

import { task } from '@alexaegis/advent-of-code-lib';
import packageJson from '../package.json';
import { interpreter } from './interpreter.function.js';
import { Cart, Mine } from './model/index.js';

export const p2 = (input: string): string | undefined => {
	const mine: Mine = interpreter(input);
	while (mine.carts.length > 1) {
		mine.carts = mine.carts.sort(Cart.compare);
		for (const cart of mine.carts) {
			cart.step(mine);
		}
	}
	return mine.carts[0]?.position.toString();
};

await task(p2, packageJson.aoc); // 36,123 ~37.45ms