aoc1.kt

fun main() {
    println(solve1(File("input1.txt").readLines()))
}

fun solve1(input: List<String>): Int =
    input.fold(0 to 0) { (m, acc), str -> if (str.isEmpty()) Math.max(m, acc) to 0 else m to acc + str.toInt() }.first

fun solve2(input: List<String>): Int =
    input.fold(arrayListOf(0)) { acc, str -> if (str == "") acc.add(0) else acc[acc.lastIndex] += str.toInt(); acc }.sortedBy { -it }.take(3).sum()
    
    
// minimum but inefficient:
fun main() {
    println(File("input1.txt").readText().split("\n\n").map { it.split("\n").sumOf { it.toInt() } }.sortedBy { -it }.take(3).sum())
}