make c# from 2016 run in dotnet 9

.vscode/launch.json

@@ -5,7 +5,7 @@
   "version": "0.2.0",
   "configurations": [
     {
-      "name": "Launch Package",
+      "name": "Launch Go Package",
       "type": "go",
       "request": "launch",
       "mode": "auto",

2016/01/01.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

2016/Day 01/Point.cs → 2016/01/Point.cs

@@ -15,7 +15,7 @@ public Point(int x, int y)
             Y = y;
         }
 
-        public bool Equals(Point other)
+        public bool Equals(Point? other)
         {
             return other != null && (X == other.X && Y == other.Y);
         }

2016/Day 01/Program.cs → 2016/01/Program.cs

@@ -1,79 +1,77 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-
-namespace AdventOfCode
-{
-    internal static class Program
-    {
-        private static string _input;
-
-        private static Direction _currentDirection = Direction.North;
-
-        private static int _distanceVertical;
-        private static int _distanceHorizontal;
-
-        private static bool _crossingFound;
-        private static Point _firstCrossed;
-        private static readonly List<Point> Visited = new List<Point>();
-
-        private static void Main()
-        {
-            _input = File.ReadAllText("../../input.txt");
-
-            var instructions = _input.Split(new[] {", "}, StringSplitOptions.None);
-
-            foreach (var i in instructions)
-            {
-                if (i[0] == 'R') _currentDirection++;
-                else _currentDirection--;
-
-                if (_currentDirection > (Direction) 4) _currentDirection = Direction.North;
-                if (_currentDirection < (Direction) 1) _currentDirection = Direction.West;
-
-                var steps = int.Parse(i.Substring(1));
-
-                for (var j = 1; j <= steps; j++)
-                {
-                    switch (_currentDirection)
-                    {
-                        case Direction.North:
-                            _distanceVertical++;
-                            break;
-                        case Direction.West:
-                            _distanceHorizontal--;
-                            break;
-                        case Direction.South:
-                            _distanceVertical--;
-                            break;
-                        case Direction.East:
-                            _distanceHorizontal++;
-                            break;
-                        default:
-                            throw new ArgumentOutOfRangeException();
-                    }
-
-                    var point = new Point(_distanceHorizontal, _distanceVertical);
-
-                    if (!_crossingFound)
-                    {
-                        if (Visited.Contains(point))
-                        {
-                            _firstCrossed = point;
-                            _crossingFound = true;
-                        }
-                    }
-
-                    Visited.Add(point);
-                }
-            }
-
-            Console.WriteLine("Answers: ");
-            Console.WriteLine("*: " + Visited.Last().Distance);
-            Console.Write("**: " + _firstCrossed.Distance);
-
-            Console.Read();
-        }
-    }
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+
+namespace AdventOfCode
+{
+    internal static class Program
+    {
+        private static string _input = "";
+
+        private static Direction _currentDirection = Direction.North;
+
+        private static int _distanceVertical;
+        private static int _distanceHorizontal;
+
+        private static bool _crossingFound;
+        private static Point? _firstCrossed;
+        private static readonly List<Point> Visited = new List<Point>();
+
+        private static void Main()
+        {
+            _input = File.ReadAllText("2016/01/input.txt");
+
+            var instructions = _input.Split(new[] {", "}, StringSplitOptions.None);
+
+            foreach (var i in instructions)
+            {
+                if (i[0] == 'R') _currentDirection++;
+                else _currentDirection--;
+
+                if (_currentDirection > (Direction) 4) _currentDirection = Direction.North;
+                if (_currentDirection < (Direction) 1) _currentDirection = Direction.West;
+
+                var steps = int.Parse(i.Substring(1));
+
+                for (var j = 1; j <= steps; j++)
+                {
+                    switch (_currentDirection)
+                    {
+                        case Direction.North:
+                            _distanceVertical++;
+                            break;
+                        case Direction.West:
+                            _distanceHorizontal--;
+                            break;
+                        case Direction.South:
+                            _distanceVertical--;
+                            break;
+                        case Direction.East:
+                            _distanceHorizontal++;
+                            break;
+                        default:
+                            throw new ArgumentOutOfRangeException();
+                    }
+
+                    var point = new Point(_distanceHorizontal, _distanceVertical);
+
+                    if (!_crossingFound)
+                    {
+                        if (Visited.Contains(point))
+                        {
+                            _firstCrossed = point;
+                            _crossingFound = true;
+                        }
+                    }
+
+                    Visited.Add(point);
+                }
+            }
+
+            Console.WriteLine("Answers: ");
+            Console.WriteLine("*: " + Visited.Last().Distance);
+            Console.Write("**: " + _firstCrossed?.Distance);
+        }
+    }
 }

2016/02/02.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

2016/Day 02/Program.cs → 2016/02/Program.cs

@@ -23,7 +23,7 @@ private static void Main()
         {
             Console.WriteLine("Answers: ");
             Console.Write("*: ");
-            foreach (var key in File.ReadAllLines("../../input.txt"))
+            foreach (var key in File.ReadAllLines("2016/02/input.txt"))
             {
                 Data.Add(key);
                 Console.Write(ProcessSequenceOneStar(key));
@@ -38,8 +38,6 @@ private static void Main()
             {
                 Console.Write(ProcesSequenceTwoStars(key));
             }
-
-            Console.Read();
         }
 
         private static int ProcessSequenceOneStar(string key)

2016/03/03.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

2016/Day 03/Program.cs → 2016/03/Program.cs

@@ -13,8 +13,6 @@ private static void Main()
         {
             var solution = new Solution();
             solution.Solve();
-
-            Console.Read();
         }
     }
 
@@ -52,11 +50,11 @@ public void Solve()
 
         private void GetInput()
         {
-            using (var stream = File.OpenRead("../../input.txt"))
+            using (var stream = File.OpenRead("2016/03/input.txt"))
             {
                 using (var streamReader = new StreamReader(stream, Encoding.UTF8))
                 {
-                    string line;
+                    string? line = null;
 
                     while ((line = streamReader.ReadLine()) != null)
                     {

2016/04/04.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

2016/Day 04/Program.cs → 2016/04/Program.cs

@@ -11,8 +11,6 @@ private static void Main()
         {
             var solution = new Solution();
             solution.Solve();
-
-            Console.Read();
         }
     }
 
@@ -42,7 +40,7 @@ public void Solve()
 
         private void GetInput()
         {
-            var data = File.ReadAllLines("../../input.txt");
+            var data = File.ReadAllLines("2016/04/input.txt");
 
             foreach (var line in data)
             {

2016/Day 04/Room.cs → 2016/04/Room.cs

@@ -7,7 +7,7 @@ namespace Day_4
     internal class Room
     {
         private readonly List<string> _encryptedName = new List<string>();
-        private string _checksum;
+        private string _checksum = "";
 
         private readonly Dictionary<char, int> _lettersFreq = new Dictionary<char, int>();
 

2016/05/05.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

2016/Day 05/Program.cs → 2016/05/Program.cs

@@ -8,10 +8,8 @@ internal static class Program
         private static void Main()
         {
             var solution = new Solution();
-            //solution.Solve();
+            solution.Solve();
             solution.SolveTwoStars();
-
-            Console.Read();
         }
     }
 

2016/06/06.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

2016/Day 06/Program.cs → 2016/06/Program.cs

@@ -12,8 +12,6 @@ private static void Main()
         {
             var solution = new Solution();
             solution.Solve();
-
-            Console.Read();
         }
     }
 
@@ -23,7 +21,7 @@ internal class Solution
 
         public Solution()
         {
-            _data = File.ReadAllLines("../../input.txt").ToList();
+            _data = File.ReadAllLines("2016/06/input.txt").ToList();
         }
 
         public void Solve()

2016/07/07.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

2016/Day 07/Program.cs → 2016/07/Program.cs

@@ -13,8 +13,6 @@ private static void Main()
 
             var solution = new Solution();
             solution.Solve();
-
-            Console.Read();
         }
     }
 
@@ -24,7 +22,7 @@ internal class Solution
 
         public void Solve()
         {
-            var lines = File.ReadAllLines("../../input.txt");
+            var lines = File.ReadAllLines("2016/07/input.txt");
 
             foreach (var line in lines)
             {

2016/08/08.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

2016/Day 08/Program.cs → 2016/08/Program.cs

@@ -8,8 +8,6 @@ private static void Main()
         {
             var solution = new Solution();
             solution.Solve();
-
-            Console.Read();
         }
     }
 }