day 2 part 1

Author: deckelmouck

2024/Day02/Solution.cs

@@ -0,0 +1,77 @@
+using System;
+using System.IO;
+
+namespace adventofcode.Year2024.Day02;
+
+public class Solution : BaseSolution, ISolver
+{
+    public void SolvePart1()
+    {
+        //var inputFilePath = GetInputFilePath("test");
+        var inputFilePath = GetInputFilePath();
+        Console.WriteLine(inputFilePath);
+
+        // Read input file
+        string[] lines = File.ReadAllLines(inputFilePath);
+
+        int safeReports = 0;
+
+        foreach (string report in lines)
+        {
+            string[] levels = report.Split(' ');
+            long previousLevel = Convert.ToInt64(levels[0]);
+            long nextLevel = Convert.ToInt64(levels[1]);
+            bool wayUp = false;
+            bool safe = true;
+
+            if(previousLevel < nextLevel)
+                wayUp = true;
+
+            // if(previousLevel == nextLevel)
+            //     break;
+
+            for (int i = 1; i < levels.Length; i++)
+            {
+                long actualLevel = Convert.ToInt64(levels[i]);
+                long diff = 0;
+
+                if (previousLevel < actualLevel && wayUp)
+                {
+                    diff = actualLevel - previousLevel;
+                    if (diff == 0 || diff > 3)
+                    {
+                        safe = false;
+                        break;
+                    }
+                }
+                else if (previousLevel > actualLevel && !wayUp)
+                {
+                    diff = previousLevel - actualLevel;
+                    if (diff == 0 || diff > 3)
+                    {
+                        safe = false;
+                        break;
+                    }
+                }
+                else
+                {
+                    safe = false;
+                    break;
+                }
+                previousLevel = actualLevel;
+            }
+
+            if(safe)
+            {
+                safeReports++;
+            }
+        }
+
+        Console.WriteLine($"Count of safe reports: {safeReports}");
+    }
+
+    public void SolvePart2()
+    {
+        Console.WriteLine("Part 2");
+    }
+}