Day one solution complete

- Needs to be cleaned up,  but later

.gitignore

@@ -255,4 +255,6 @@ paket-files/
 *.sln.iml
 
 # VS Code
-.vscode/
+.vscode/
+**/dummyInput.txt
+**/input*.txt

Advent2022/Advent/Advent.csproj

@@ -4,6 +4,13 @@
         <TargetFramework>net6.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
+        <OutputType>Exe</OutputType>
     </PropertyGroup>
 
+    <ItemGroup>
+      <None Update="input1.txt">
+        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+      </None>
+    </ItemGroup>
+
 </Project>

Advent2022/Advent/Day1ElfCalories.cs

@@ -1,3 +1,40 @@
 // See https://aka.ms/new-console-template for more information
+namespace Advent2022.Advent.Day1;
+using System.Linq;
 
-Console.WriteLine("Hello, World!");
+public record Elf
+{
+    public List<int> Caloires { get; set; }
+}
+
+public static class ElfHelpers
+{
+    public static List<Elf> GetElves(string path)
+    {
+        var listElvesWithFood = File.ReadAllLines(path);
+        var elves = new List<Elf> { new Elf {Caloires = new List<int>()} };
+        foreach (var caloriesString in listElvesWithFood)
+        {
+            var success = int.TryParse(caloriesString, out var calories);
+            if (!success)
+            {
+                if (elves[^1].Caloires.Count != 0)
+                {
+                    elves.Add(new Elf {Caloires = new List<int>()});
+                }
+            }
+            else
+            {
+                elves[^1].Caloires.Add(calories) ;
+            }
+        }
+        return elves;
+    }
+
+    public static int SumElfTotalCalories(Elf elf)
+    {
+        return elf.Caloires.Sum();
+    }
+
+
+}

Advent2022/Advent/ProgramRunner.cs

@@ -0,0 +1,25 @@
+namespace Advent2022.Advent.Day1;
+
+public class ProgramRunner
+{
+    public static int Main(string[] args)
+    {
+// Part 1
+        // var ans = ElfHelpers.GetElves("./input1.txt")
+            // .Select(ElfHelpers.SumElfTotalCalories)
+            // .Max();
+
+        // Console.WriteLine(ans);
+// part 2
+        var ans = ElfHelpers.GetElves("./input1.txt")
+            .Select(ElfHelpers.SumElfTotalCalories)
+            .OrderByDescending(x => x)
+            .Take(3)
+            .Sum()
+            ;
+
+        Console.WriteLine(ans);
+
+        return 0;
+    }
+}

Advent2022/AdventTests/AdventTests.csproj

@@ -22,4 +22,14 @@
         </PackageReference>
     </ItemGroup>
 
+    <ItemGroup>
+      <None Update="dummyInput.txt">
+        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+      </None>
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\Advent\Advent.csproj" />
+    </ItemGroup>
+
 </Project>

Advent2022/AdventTests/Day1ElfCalories.cs

@@ -1,9 +1,30 @@
+using FluentAssertions;
+
 namespace AdventTests;
 
+using Advent2022.Advent.Day1;
 public class Day1ElfCaloriesTests
 {
     [Fact]
-    public void Test1()
+    public void GetElves_ShouldReturn_5Elves()
+    {
+        const int expected = 5;
+        var actual = ElfHelpers.GetElves("./dummyInput.txt").Count;
+        actual.Should().Be(expected);
+    }
+
+    [Fact]
+    public void GetElfTotalCalories_ShouldSumElfCalories()
     {
+        var elf = new Elf
+        {
+            Caloires = new List<int>
+            {
+                1, 2, 3, 4
+            }
+        };
+        const int expected = 10;
+        var actual = ElfHelpers.SumElfTotalCalories(elf);
+        actual.Should().Be(expected);
     }
 }