added 2024 part 1

2024/06/Kotlin/src/Main.kt

@@ -0,0 +1,99 @@
+import java.io.File
+
+fun main() {
+    val filenames = listOf("example.txt", "input.txt")
+    filenames.forEach { filename ->
+        val input = readInput(filename)
+        val (map, guard) = generateMap(input)
+        println("${filename.dropLast(4)} Guard Step Count: ${getWalkCount(map, guard)}")
+        //println("${filename.dropLast(4)} Incorrect Middle Sum: $incorrect")
+    }
+}
+fun readInput(filename: String) = File("src/$filename").readText()
+fun generateMap(input: String): Pair<List<List<Pair<String, Boolean>>>, Pair<Int, Int>> {
+    var guardCord = Pair(0, 0)
+    val map = input.lines().mapIndexed { x, line ->
+        line.trim().split("").mapIndexed { y, tile ->
+             when (tile) {
+                "^" -> {
+                    guardCord = Pair(x, y)
+                    Pair(tile, false)
+                }
+                else -> Pair(tile, false)
+            }
+        }
+    }
+    return Pair(map, guardCord)
+}
+fun getWalkCount(map: List<List<Pair<String, Boolean>>>, guardCord: Pair<Int, Int>): Int {
+    val mutableMap = map.map { it.toMutableList() }.toMutableList()
+    var count = 1
+    var direction = Direction.UP
+    var currentLocation = guardCord
+    var outOfBounds = false
+    while (!outOfBounds){
+        try {
+            when (direction){
+                Direction.UP -> {
+                    val front = mutableMap[currentLocation.first - 1][currentLocation.second]
+                    if (front.first == "#") {
+                        direction = Direction.RIGHT
+                    } else {
+                        if (!mutableMap[currentLocation.first][currentLocation.second].second){
+                            count = count.inc()
+                            mutableMap[currentLocation.first][currentLocation.second] = mutableMap[currentLocation.first][currentLocation.second].copy(second = true, first = "@")
+                        }
+                        currentLocation = Pair(currentLocation.first - 1, currentLocation.second)
+                    }
+                }
+                Direction.DOWN -> {
+                    val front = mutableMap[currentLocation.first + 1][currentLocation.second]
+                    if (front.first == "#") {
+                        direction = Direction.LEFT
+                    } else {
+                        if (!mutableMap[currentLocation.first][currentLocation.second].second){
+                            count = count.inc()
+                            mutableMap[currentLocation.first][currentLocation.second] = mutableMap[currentLocation.first][currentLocation.second].copy(second = true, first = "@")
+                        }
+                        currentLocation = Pair(currentLocation.first + 1, currentLocation.second)
+                    }
+                }
+                Direction.RIGHT -> {
+                    val front = mutableMap[currentLocation.first][currentLocation.second + 1]
+                    if (front.first == "#") {
+                        direction = Direction.DOWN
+                    } else {
+                        if (!mutableMap[currentLocation.first][currentLocation.second].second){
+                            count = count.inc()
+                            mutableMap[currentLocation.first][currentLocation.second] = mutableMap[currentLocation.first][currentLocation.second].copy(second = true, first = "@")
+                        }
+                        currentLocation = Pair(currentLocation.first, currentLocation.second + 1)
+                    }
+                }
+                Direction.LEFT -> {
+                    val front = mutableMap[currentLocation.first][currentLocation.second - 1]
+                    if (front.first == "#") {
+                        direction = Direction.UP
+                    } else {
+                        if (!mutableMap[currentLocation.first][currentLocation.second].second){
+                            count = count.inc()
+                            mutableMap[currentLocation.first][currentLocation.second] = mutableMap[currentLocation.first][currentLocation.second].copy(second = true, first = "@")
+                        }
+                        currentLocation = Pair(currentLocation.first, currentLocation.second - 1)
+                    }
+                }
+            }
+            //println(mutableMap.map { it.map { it.first }.joinToString("") }.joinToString("\n"))
+        } catch (e: IndexOutOfBoundsException) {
+            outOfBounds = true
+        }
+    }
+    return count
+}
+
+enum class Direction(){
+    UP,
+    DOWN,
+    RIGHT,
+    LEFT
+}

2024/06/Kotlin/src/example.txt

@@ -0,0 +1,10 @@
+....#.....
+.........#
+..........
+..#.......
+.......#..
+..........
+.#..^.....
+........#.
+#.........
+......#...

2024/06/Kotlin/src/input.txt

@@ -0,0 +1,130 @@
+..................#................................................................#........#.....................................
+...#...........#...................................................#........................................#.................#...
+...................................#................#.#...............#.................................................#.........
+.....#......#................#.....................................................................#..........#........#......#...
+............................................................................................#.....................#...............
+.....................#..##...#........................#.................#.......................#..#.........#.......#...#......#.
+............##....................................##..................#...............................#....#......................
+.............#............#.#..#.......#...........#..............#...............#.....#.........................................
+....................#..........##.........#.........#................#............................................................
+....#.......#................................................................#...#.#..........................................#.#.
+..#..............#.....................................#..........#.#....#..............#..................#.#............#.......
+.#.......#.........................#........................#..#.....#............................................................
+........#...#......................#...........#......................................#....................#......................
+.............................#..............#........##....#....................#......#....................#............#......#.
+..............#..............#............#.......................##....#..........................................#.........#....
+.............#............#..........#..........#...#.....................................................#.......................
+..#........#.....#..........................................#................................................#...#.#...#..........
+........#.....................#...#..#......#.........................................................#.....##.........#..........
+..............................................................................................#...#...............................
+..#.......................#..........................#......#...................................................................#.
+.......#.........................#..............#.........#.............#.......................................#...#.............
+..................#.................#.......................#....................#....................................#...........
+...#...#.......#......##.#...............#....#..............#..........................................#....#..#.................
+#................................#.......#.....#.......#.............#..................#........#................................
+...........#..................................#.......................................................................#.#..#......
+.......#........#.........................................#..........................#...........................#.....#..........
+................#..#.....................#..#...........................#...........................................#.............
+#...#.......................#................................................#................#................................#..
+..........#...........................#.......#............................................................................#.....#
+..................................#............................................................#..................................
+......................#........#.............#....#.....#.......#..........................#..........................#...........
+...........................##.................#.............#........................#...#..................#.....................
+.............................................................................................................#....#..........#....
+................#...................................#...........#..........#....................#............................#....
+........#....#................................................#................##..#..................................#...........
+...........#....................................................#...#.#......#....................................................
+.......................#.........................................................^....................................#...........
+..........................#.............##..#........#.#....#.......#....................#...........#.........#.....#............
+........#...........................#..#..........................................................#...............................
+....#....................................#....#.........................................#.........#...............................
+...............#...................................#.....#.................................#....................................#.
+......#...............................................................#.............................#........................#....
+.........................#.....#.........................#.#...............#.........#.....#..................#..#.........#......
+.........................................................#......#........##.......................#...#......#................#...
+.......................................#.....#.................................#..................................................
+..................#..................................#..........................................................................#.
+...................#....#.........#.......#................#....................#.........................#......#.....#..#.......
+................................#..............................................................................#....#.............
+.....................#.#.............#.................#..........#.......#.........................................#.............
+......#....................#....................................................................#...#.............................
+........#........#...........#.##.............#........................#............#..............#.........#....#........#......
+........................#.................................................................#.......................................
+............................................................#.....#....................#............#.....#....#............#.....
+...........#............#....#........................................................##............#..............#..............
+...........#...........#.....#..............#..............##....#........#......#................................................
+..#................................................................................#......................#......#................
+....................#.........#......................#.............................#.......#.......................#.............#
+..#...#....#......................................................................................................#...............
+...........#................................................................................#...............................#.....
+....................................#............#..........#.........................#..................................#.......#
+...................#......#...................#............#......#........#................#.............#...........#.........#.
+........................#..................................#........#..................#..........................................
+............#..#...........#..................##....................#...........................................#.................
+.......................................................................................#.....#............#.......................
+...............................................#....#................................#..#..........................#..#...........
+..............#..#.....#.........#....................#.......#..#..............#...............................#.....#...........
+..........#............................#..........................................................................................
+........................................#........#........................................................#.#.....................
+#................#......................#..................................................................................#......
+...............................................................................#................................#.................
+...................................................................................................................#.#........#...
+#........................................................................#......................................#.#...............
+...#......#............#...................#.............#........#..........................................#......#.............
+..............##....#...................................................#......................#..................................
+...............#........................................................................#...........#...#.#.......................
+..........#.#.....#................................#...........#........#.......#.................................................
+#....................#......................................................................................#.....................
+..............#...##...........................................#.............#.......#..................#..............#..........
+.#.............................................#..............................................................................#...
+...#................................#............................................#............................#...................
+..............................#......................................................#..........................................#.
+...................#.....................................#..................................#......#..............................
+....#.#..........##.............#.......#........................##..........#.................#..................................
+#..#................#........##....................................................................................#..............
+........#...#.........................................................................#...........................................
+......................................................#....#...................#..#.................................#.............
+........#...............#........#..............................................#............................#....................
+...#..............................#.........................................##.......................................#....#.......
+...#................#..............#.......#......................................................................................
+........#..................#.............................................................#...........................#....#.......
+......................#.#..........#.......#..................................#..#...#............#...............#...............
+.....#..................#....#..#......#.......................#.....................................................#............
+.....#................................#.........................#..................#.#..........#...#............#.....#..........
+....#...................#....#.#.........#........#..................................................................#....#..#....
+........#...............#......................................#........#..............................#..........................
+....#...#.#.....#..............#..................#..........#...#..#......................#...#..........#......................#
+...........#...................................................................................................#................#.
+.................................##..............#.............................#...............................#..................
+...........#.................#.............##...................................#.......................#.................##......
+.....#..................#......#........#.................................................#..#........................#..#........
+......#.......#......................................................................#.#.........#....#...........................
+..................#.#........................#......#................................................................#......#.....
+.....................#............#...................#.....#....................................#.......#..........#.......#.....
+#.............................#...............................#...#...............................................................
+..##.........#........#......................................#.....................#...#.............#............#..#............
+..........#.....................#..#....................#...#....................#....................#.....................#.....
+...........#..........#...............#..#..........#..............................................#.#............................
+............#...#...#.............#.........#.............................#...............#.......................................
+.........#...........#...............................................................#............................................
+.#..#.................................................................#............#.#.......................##...................
+........##............#...................#................................#......................................................
+............................................#..........................#..........................................................
+#...................#...........#..............#...#............#.#........#.................#......#.............................
+........#....................................#....................................................................................
+...........#.........#..#...............#...........#.....##.#......#....##............#....#....#.#.........##.........#.........
+..#......................#..........#.................#.................#......#.............................#........#...........
+....................#.................#....#..............................#....#.............#....#....#.....................#....
+............#.................#.................................#...............................#..#...........................#..
+...................................................#.....#..............#.......#....................#.#..........................
+..#.........##..#........#...................................................................................#............#.......
+.....#..............................#......................................................................#........#.............
+................................#........##.......#...............#..............#.......#...#.#........#.........................
+..............................#.....................#.........................................#..................................#
+...........#...................##.................#.................................#...............................#........#....
+..............................#...##......#..................#...#................................#......#.......#...............#
+.....................##......#......#.#.......#..............#......#.................#.........#...................#.............
+..........................#................................#...........#..........................................................
+...#.....#....................#.....................#...#.....#.............................#.#....#.....#.#.................#....
+............................#...#........#......................................................................#.....#...........
+............#..........##..................#.............................................................#.....#..#...............