Add AoC 2024 day 14 part 1 solver

assets/advent_of_code/2024_14_sample.txt

@@ -0,0 +1,12 @@
+p=0,4 v=3,-3
+p=6,3 v=-1,-3
+p=10,3 v=-1,2
+p=2,0 v=2,-1
+p=0,0 v=1,3
+p=3,0 v=-2,-2
+p=7,6 v=-1,-3
+p=3,0 v=-1,-2
+p=9,3 v=2,3
+p=7,3 v=-1,2
+p=2,4 v=2,-3
+p=9,5 v=-3,-3

lib/solvers/advent_of_code/2024/_all_solvers.dart

@@ -10,4 +10,5 @@ export 'day_10_solver.dart';
 export 'day_11_solver.dart';
 export 'day_12_solver.dart';
 export 'day_13_solver.dart';
+export 'day_14_solver.dart';
 export 'day_15_solver.dart';

lib/solvers/advent_of_code/2024/day_14_solver.dart

@@ -0,0 +1,52 @@
+import 'package:h3x_devtools/solvers/advent_of_code/2024/aoc_2024_solver.dart';
+
+typedef _Robot = ({Coordinates start, int xPerSecond, int yPerSecond});
+
+class Day14Solver extends AdventOfCode2024Solver {
+
+  @override
+  final int dayNumber = 14;
+
+  @override
+  String getSolution(String input) {
+    List<_Robot> robots = input.splitLines().map((line) {
+      List<String> lineSplit = line.split(' ');
+      List<int> startCoordinates = lineSplit[0].substring(2).split(',').map(int.parse).toList();
+      List<int> movementPerSecond = lineSplit[1].substring(2).split(',').map(int.parse).toList();
+      return (
+        start: Coordinates(startCoordinates[0], startCoordinates[1]),
+        xPerSecond: movementPerSecond[0],
+        yPerSecond: movementPerSecond[1],
+      );
+    }).toList();
+
+    // Keep into account the example has a smaller area.
+    int fieldWidth = robots.length == 12 ? 11 : 101;
+    int fieldHeight = robots.length == 12 ? 7 : 103;
+
+    // Part 1
+    int qLeftTop = 0, qRightTop = 0, qLeftBottom = 0, qRightBottom = 0;
+    for (_Robot robot in robots) {
+      int endX = (robot.start.x + (robot.xPerSecond * 100)) % fieldWidth;
+      int endY = (robot.start.y + (robot.yPerSecond * 100)) % fieldHeight;
+
+      if (endX < (fieldWidth - 1) ~/ 2) {
+        if (endY < (fieldHeight - 1) ~/ 2) {
+          qLeftTop++;
+        } else if (endY > (fieldHeight - 1) ~/ 2) {
+          qRightTop++;
+        }
+      } else if (endX > (fieldWidth - 1) ~/ 2) {
+        if (endY < (fieldHeight - 1) ~/ 2) {
+          qLeftBottom++;
+        } else if (endY > (fieldHeight - 1) ~/ 2) {
+          qRightBottom++;
+        }
+      }
+    }
+    int safetyScore = qLeftTop * qRightTop * qLeftBottom * qRightBottom;
+
+    return 'Safety score: $safetyScore';
+  }
+
+}

pubspec.lock

@@ -992,5 +992,5 @@ packages:
     source: hosted
     version: "3.1.2"
 sdks:
-  dart: ">=3.6.0-0 <4.0.0"
-  flutter: ">=3.24.0"
+  dart: ">=3.6.0 <4.0.0"
+  flutter: ">=3.27.0"

pubspec.yaml

@@ -6,7 +6,7 @@ publish_to: 'none'
 version: 1.0.0+1
 
 environment:
-  sdk: '>=3.5.0 <4.0.0'
+  sdk: '>=3.6.0'
 
 dependencies:
   # Flutter framework