bartoszm

object S99_P12 {

  def decode[T](its: Seq[(Int, T)]): Seq[T] = {
     its.foldLeft(List[T]()) { (l, e) => l ++ List.fill(e._1)(e._2) }
  }
}

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{"lastUpload":"2021-10-11T09:06:00.478Z","extensionVersion":"v3.4.3"}

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yq -w 250 -Y -i '[(paths | select(.[-1] | tostring | test("^@")))] as $paths | delpaths($paths)' <<file>>

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package day9

import java.nio.file.Files
import java.nio.file.Path


class Day9b(val inputs: Array<IntArray>) {
    val inner = inputs[0].size - 1
    val outer = inputs.size - 1
    val used = mutableSetOf<Pair<Int, Int>>()

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package day10

import java.nio.file.Files
import java.nio.file.Path
import kotlin.system.measureTimeMillis


object Day10b {
    val mapScore = mapOf(
        ')' to 1L,

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package day11


import java.nio.file.Files
import java.nio.file.Path

class State(private val data: Array<IntArray>) {
    val inner = data[0].size - 1
    val outer = data.size - 1
    val flashes by lazy { data.sumOf { row -> row.count { it == 0 } } }

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abstract class Fold(val line: Int) {
    abstract fun transform(p: Pair<Int, Int>): Pair<Int, Int>
}

class FoldX(line: Int) : Fold(line) {
    override fun transform(p: Pair<Int, Int>): Pair<Int, Int> {
        val x = p.first
        val d = line - x
        return if(x > line) Pair(x + d*2, p.second) else p
    }

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package day14

import java.nio.file.Files
import java.nio.file.Path


class Day14_Part2(val input: Input) {
    val rules = input.rules.map { it.first to it.second }.toMap()
    
    private fun find(s: String) = rules[s]

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package day18

import java.nio.file.Files
import java.nio.file.Path


sealed class Node(var parent: Regular? = null) {
    abstract fun tryExplode(level: Int = 0): Boolean
    abstract fun trySplit() : Boolean
    internal fun reduce() {

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package day20

import java.nio.file.Files
import java.nio.file.Path


class Enhancer(val code: String) {
    private fun getPixel(r: Int, c: Int, data: List<String>) = data.getOrNull(r)?.getOrNull(c) ?: defaultChar
    private var defaultChar = '.'