Kotlin Solution for Part2

2022/day02/main.kt

@@ -3,8 +3,9 @@ import java.io.InputStream
 
 
 fun main(args: Array<String>) {
-	val inputStream: InputStream = File("input").inputStream()
-	val lineList = mutableListOf<Int>()
+	val inputStream: InputStream = File(args[0]).inputStream()
+	val lineList1 = mutableListOf<Int>()
+  val lineList2 = mutableListOf<Int>()
 	inputStream.bufferedReader().forEachLine{
 		val janken: List<String> = it.split(" ").map { when(it) {
       "X" -> "A"
@@ -12,24 +13,56 @@ fun main(args: Array<String>) {
       "Z" -> "C"
       else -> it
     }}
-		var score: Int = when (janken[1]) {
+		var score1: Int = when (janken[1]) {
       "A" -> 1
       "B" -> 2
       "C" -> 3
       else -> 0
     }
     if (janken[0] == janken[1]) {
-      score += 3
+      score1 += 3
     } else if (janken[0] == "A") {
-      score += if (janken[1] == "C") 0 else 6
+      score1 += if (janken[1] == "C") 0 else 6
     } else if (janken[0] == "B") {
-      score += if (janken[1] == "A") 0 else 6
+      score1 += if (janken[1] == "A") 0 else 6
     } else if (janken[0] == "C") {
-      score += if (janken[1] == "B") 0 else 6
+      score1 += if (janken[1] == "B") 0 else 6
     }
-    println(janken)
-    lineList.add(score)
+    lineList1.add(score1)
+    
+    var mySymbol: String = ""
+    if (janken[1] == "B") {
+      mySymbol = janken[0]
+    } else if (janken[1] == "C"){
+      mySymbol = when(janken[0]) {
+        "A" -> "B"
+        "B" -> "C"
+        "C" -> "A"
+        else -> "Error"
+      }
+    } else if (janken[1] == "A"){
+      mySymbol = when(janken[0]) {
+        "A" -> "C"
+        "B" -> "A"
+        "C" -> "B"
+        else -> "Error"
+      }
+    }
+    var score2: Int = when (mySymbol) {
+      "A" -> 1
+      "B" -> 2
+      "C" -> 3
+      else -> 0
+    }
+    score2 += when (janken[1]) {
+      "A" -> 0
+      "B" -> 3
+      "C" -> 6
+      else -> 0
+    }
+    println(mySymbol)
+    lineList2.add(score2)
 	}
-	println("My score will be " + lineList.sum())
-  println(lineList.size)
+	println("Part 1: With my thoughts my score will be " + lineList1.sum())
+  println("Part 2: With the correct interpretation, my score will be " + lineList2.sum())
 }