AoC | Day 6 | Part 2

package year_2023.day_6

fun partTwo() {
    println("[2023] Day six, part two...")

    val input = input()
    val time = input.split("\n")[0]
        .substringAfter(":")
        .split(" ")
        .filter { it.isNotBlank() }
        .joinToString("")
        .toLong()

    val distance = input.split("\n")[1]
        .substringAfter(":")
        .split(" ")
        .filter { it.isNotBlank() }
        .joinToString("")
        .toLong()


    var validCounter = 0
    (1..time).forEach { timeHolding ->
        val speed = timeHolding
        val remainingTime = time - timeHolding
        val totalDistance = speed * remainingTime

        if (totalDistance > distance) {
            validCounter++
        }
    }

    println(validCounter)
}