AOC2021Day2b

gistfile1.txt

output application/json
var inputData = readUrl("classpath://inputs/day2.txt", "text/plain") 
	then (result) -> result splitBy "\n"

var normalizedData = inputData map 
	using (pair = $ splitBy " ")
	{
		direction: pair[0],
		distance: pair[1] as Number
	}
var finalLocation = normalizedData reduce ((movement, acc = {horizontal: 0, depth: 0, aim: 0}) -> 
	movement.direction match {
		case "forward" -> {horizontal: acc.horizontal + movement.distance, depth: acc.depth + (acc.aim * movement.distance), aim: acc.aim + 0}
		case "down" -> {horizontal: acc.horizontal, depth: acc.depth + movement.distance, aim: acc.aim + movement.distance}
		case "up" -> {horizontal: acc.horizontal, depth: acc.depth - movement.distance, aim: acc.aim - movement.distance}
	}
)
---
(finalLocation.depth - finalLocation.aim) * finalLocation.horizontal