diff --git a/AdventOfCode2025/AdventOfCode2025.csproj b/AdventOfCode2025/AdventOfCode2025.csproj
index 7a10560..98b42fc 100644
--- a/AdventOfCode2025/AdventOfCode2025.csproj
+++ b/AdventOfCode2025/AdventOfCode2025.csproj
@@ -28,6 +28,10 @@
PreserveNewest
+
+
+ PreserveNewest
+
diff --git a/AdventOfCode2025/Cafeteria.cs b/AdventOfCode2025/Cafeteria.cs
index 9a71888..f5d68d8 100644
--- a/AdventOfCode2025/Cafeteria.cs
+++ b/AdventOfCode2025/Cafeteria.cs
@@ -1,9 +1,35 @@
-namespace AdventOfCode2025;
+using AdventOfCode2025.Utils;
+using Range = AdventOfCode2025.Utils.Range;
+
+namespace AdventOfCode2025;
public class Cafeteria : IAdventSolution
{
public AdventSolution Solve(string input)
{
- throw new NotImplementedException();
+ var lines = input.SplitLines();
+
+ var ranges = new HashSet();
+ var startIndex = 0;
+ while (lines[startIndex].Contains("-"))
+ {
+ var line = lines[startIndex++];
+ var parts = line.Split('-');
+ ranges.Add(new(ulong.Parse(parts[0]), ulong.Parse(parts[1])));
+ }
+
+ var fresh = 0;
+ for(; startIndex < lines.Length; startIndex++)
+ {
+ var line = lines[startIndex++];
+ if (line.Contains('-'))
+ continue;
+
+ var num = ulong.Parse(line);
+ if(ranges.Any(x => x.Min <= num && num <= x.Max)) fresh++;
+ }
+
+
+ return new AdventSolution(fresh.ToString(), null);
}
}
\ No newline at end of file