Day 18 and 21 clear code

Day 7 start

Author: CremboC

day-18/Day18.scala

@@ -25,8 +25,8 @@ object Day18 {
 
   def nextState(state: Array[Array[Char]]): Array[Array[Char]] = {
     val newState = state.map(_.clone)
-    for ((row, y) <- state.view.zipWithIndex;
-         (light, x) <- row.view.zipWithIndex
+    for ((row, y) <- state.zipWithIndex;
+         (light, x) <- row.zipWithIndex
          if light == '#' || light == '.'
          if !edge(x, y)
     ) {
@@ -53,7 +53,7 @@ object Day18 {
     val contents: Array[String] = Source.fromFile("input.data").getLines.toArray
     val grid = Array.ofDim[Char](contents.length, contents.length)
 
-    for ((l, i) <- contents.view.zipWithIndex) {
+    for ((l, i) <- contents.zipWithIndex) {
       grid.update(i, l.toCharArray)
     }
 

day-21/Day21.scala

@@ -27,7 +27,7 @@ object Day21 {
     (80, 0, 3)
   )
 
-  def isWinner(p: Player): Boolean = simulate(p, boss, playerNow = true) match {
+  def isWinner(p: Player): Boolean = simulate(p) match {
     case _: Player => true
     case _: Boss => false
   }
@@ -60,7 +60,6 @@ object Day21 {
           val twoRingedWinners = twoRinged.filter(isWinner)
           val oneRingedAndArmoredWinners = oneRingedAndArmored.filter(isWinner)
 
-
           val combined = weaponOnlyWinner ++ armoredWinners ++ oneRingedWinners ++ twoRingedWinners ++ oneRingedAndArmoredWinners
           println(s"Winner for part one is: ${combined.minBy(_.cost)}")
 
@@ -73,15 +72,18 @@ object Day21 {
   }
 
   // turn 0 = player; turn = 1
-  def simulate(p: Player, b: Boss, playerNow: Boolean): Char = {
-    if (p.hp <= 0) b
-    else if (b.hp <= 0) p
-    else {
-      playerNow match {
-        case true => simulate(p, new Boss(b.dmg, b.defence, b.hp - math.max(p.dmg - b.defence, 1)), playerNow = false)
-        case false => simulate(new Player(p.dmg, p.defence, p.cost, p.rings, p.hp - math.max(b.dmg - p.defence, 1)), b, playerNow = true)
+  def simulate(p: Player): Char = {
+    def go(p: Player, b: Boss, playerNow: Boolean): Char = {
+      if (p.hp <= 0) b
+      else if (b.hp <= 0) p
+      else {
+        playerNow match {
+          case true => go(p, new Boss(b.dmg, b.defence, b.hp - math.max(p.dmg - b.defence, 1)), playerNow = false)
+          case false => go(new Player(p.dmg, p.defence, p.cost, p.rings, p.hp - math.max(b.dmg - p.defence, 1)), b, playerNow = true)
+        }
       }
     }
+    go(p, boss, playerNow = true)
   }
 
   trait Char

day-7/Day7.scala

@@ -0,0 +1,42 @@
+import scala.io.Source
+import scala.util.matching.Regex
+
+/**
+  * Created by paulius on 20/12/2015.
+  */
+
+object Day7 {
+  type op = (Option[Left], Option[String], Option[String], String)
+  def main(args: Array[String]) {
+    val lines: List[String] = Source.fromFile("test.data").getLines.toList
+    val regex: Regex = """.*(AND|OR|NOT|LSHIFT|RSHIFT).*""".r
+
+    lines.map { l =>
+      val op = l match {
+        case regex(operator) => operator
+        case _ => ""
+      }
+
+      val split: Array[String] = l.split(" ")
+      op match {
+        case "AND" => (Some(split.head), op, Some(split(2)), split.last)
+        case "OR" =>
+        case "NOT" =>
+        case "" =>
+      }
+    } foreach println
+  }
+}
+
+trait Left extends Any
+case class LString(v: String) extends Left
+case class LInt(v: Int) extends Left
+
+  //class Op(val out: String)
+  //trait LR {
+  //  def left:
+  //
+  //}
+  //class And(val left) extends Op with LR
+
+