Projektdateien hinzufügen.

AdventOfCode2021.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net7.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <None Remove="inputs\day2 - Kopieren %282%29.txt" />
+    <None Remove="inputs\day2 - Kopieren.txt" />
+  </ItemGroup>
+
+</Project>

AdventOfCode2021.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.4.33122.133
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AdventOfCode2021", "AdventOfCode2021.csproj", "{86E5DDE7-1AB6-486A-A75B-594F87BC7151}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{86E5DDE7-1AB6-486A-A75B-594F87BC7151}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{86E5DDE7-1AB6-486A-A75B-594F87BC7151}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{86E5DDE7-1AB6-486A-A75B-594F87BC7151}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{86E5DDE7-1AB6-486A-A75B-594F87BC7151}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {E035E8A4-FF5C-422F-A0D3-8B1AF82463CA}
+	EndGlobalSection
+EndGlobal

Program.cs

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+
+
+using AdventOfCode2021;
+var day = new day3("day3");

day1.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Security.Cryptography.X509Certificates;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AdventOfCode2021
+{
+    internal class day1
+    {
+        string[] input;
+
+        public day1(string day)
+        {
+            input = getInput(day);
+            part1();
+            part2();
+        }
+        public string[] getInput(string day)
+        {
+            string filepath = $"../../../inputs/{day}.txt";
+            string[] file = File.ReadAllLines(filepath);
+
+            return file;
+        }
+
+
+        public void part1()
+        {
+            
+
+            int temp = int.Parse(input[0]);
+            int counter = 0;
+            for(int i = 0; i < input.Length; i++)
+            {
+                if (int.Parse(input[i]) > temp)
+                {
+                    temp = int.Parse(input[i]);
+                    counter++;
+                }
+                else
+                {
+                    temp = int.Parse(input[i]);
+                }
+            }
+            Console.WriteLine($"Part 1 : {counter}");
+
+        }
+        public void part2()
+        {
+            int temp = computeWindow(0);
+            int counter = 0;
+
+            for (int i = 3; i < input.Length; i++)
+            {
+                if(computeWindow(i -2) > temp)
+                {
+                    counter++;
+                    temp= computeWindow(i - 2);
+                }
+                else
+                {
+                    temp = computeWindow(i - 2);
+                }
+
+            }
+
+            Console.WriteLine($"Part 2 : {counter}");
+
+
+        }
+
+        public int computeWindow(int index)
+        {
+            int window = int.Parse(input[index]) + int.Parse(input[index + 1]) + int.Parse(input[index + 2]);  
+            return window;
+        }
+
+       
+    }
+}

day2.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AdventOfCode2021
+{
+    internal class day2
+    {
+        string[] input;
+
+        public day2(string day)
+        {
+            input = getInput(day);
+            part1();
+            part2();
+        }
+        public string[] getInput(string day)
+        {
+            string filepath = $"../../../inputs/{day}.txt";
+            string[] file = File.ReadAllLines(filepath);
+
+            return file;
+        }
+
+
+        public void part1()
+        {
+            int result = 0;
+            int horizontal = 0;
+            int depth = 0;
+
+            foreach(string line in input)
+            {
+                if (line.StartsWith("forward"))
+                {
+                    horizontal += int.Parse(line.Split(' ')[1]);
+                }
+                else if (line.StartsWith("down"))
+                {
+                    depth += int.Parse(line.Split(' ')[1]);
+                }
+                else if (line.StartsWith("up"))
+                {
+                    depth -= int.Parse(line.Split(' ')[1]);
+                }
+            }
+            result = horizontal * depth;
+            Console.WriteLine($"Part 1: {result}");
+            
+        }
+        public void part2()
+        {
+            int result = 0;
+            int horizontal = 0;
+            int aim = 0;
+            int depht = 0;
+            foreach (string line in input)
+            {
+                if (line.StartsWith("forward"))
+                {
+                    horizontal += int.Parse(line.Split(' ')[1]);
+                    depht += int.Parse(line.Split(' ')[1]) * aim;
+                }
+                else if (line.StartsWith("down"))
+                {
+                    aim += int.Parse(line.Split(' ')[1]);
+                }
+                else if (line.StartsWith("up"))
+                {
+                    aim -= int.Parse(line.Split(' ')[1]);
+                }
+            }
+            result = horizontal * depht;
+            Console.WriteLine($"Part 2: {result}");
+        }
+    }
+}

day3.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AdventOfCode2021
+{
+    internal class day3
+    {
+        string[] input;
+
+        public day3(string day)
+        {
+            input = getInput(day);
+            part1();
+            part2();
+        }
+        public string[] getInput(string day)
+        {
+            string filepath = $"../../../inputs/{day}.txt";
+            string[] file = File.ReadAllLines(filepath);
+
+            return file;
+        }
+
+
+        public void part1()
+        {
+            var result = new StringBuilder();
+            var result2 = new StringBuilder();
+            
+
+            for(int i = 0; i < input[0].Length; i++)
+            {
+                int oneCounter = 0;
+                int zeroCounter = 0;
+               for(int j = 0; j < input.Length; j++)
+                {
+                    if (input[j][i] == '0')
+                    {
+                        zeroCounter++;
+                    }
+                    else
+                    {
+                        oneCounter++;
+                    }
+                
+                }
+                if (oneCounter > zeroCounter)
+                {
+                    result.Append('1');
+                    result2.Append('0');
+                }
+                else if (oneCounter < zeroCounter)
+                {
+                    result.Append('0');
+                    result2.Append('1');
+                }
+                else if(oneCounter == zeroCounter)
+                {
+                    result.Append('1');
+                    result2.Append('0');
+                }
+            }
+            
+            int decResult1 = Convert.ToInt32(result.ToString(), 2);
+            int decResult2 = Convert.ToInt32(result2.ToString(), 2); 
+
+            int finalResult = decResult1 * decResult2;
+            Console.WriteLine($"Part 1 : {finalResult}");
+        }
+        public void part2()
+        {
+            
+
+
+            
+
+            
+            Console.WriteLine($"Part 2 : ");
+        }
+    }
+}
+

days.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AdventOfCode2021
+{
+    internal class days
+    {
+        string[] input;
+
+        public days(string day)
+        {
+            input = getInput(day);
+            part1();
+            part2();
+        }
+        public string[] getInput(string day)
+        {
+            string filepath = $"../../../inputs/{day}.txt";
+            string[] file = File.ReadAllLines(filepath);
+
+            return file;
+        }
+
+
+        public void part1()
+        {
+        }
+        public void part2()
+        {
+        }
+    }
+}
+

inputs/day2 - Kopieren.txt

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+