day 1

AOC2023/AOC2023.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

AOC2023/Problems/Day01/Trebuchet.cs

@@ -0,0 +1,10 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AOC2023.Problems.Day01;
+public class Trebuchet
+{
+}

AdventOfCode.sln

@@ -3,7 +3,9 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.4.33110.190
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AdventOfCode", "AdventOfCode\AdventOfCode.csproj", "{CAAB9EC2-0787-4CBC-87E3-4529BFB56B3F}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AdventOfCode", "AdventOfCode\AdventOfCode.csproj", "{CAAB9EC2-0787-4CBC-87E3-4529BFB56B3F}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AOC2023", "AOC2023\AOC2023.csproj", "{DC0609BD-5AF8-4347-A424-67D9A0AE38A3}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -15,6 +17,10 @@ Global
 		{CAAB9EC2-0787-4CBC-87E3-4529BFB56B3F}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{CAAB9EC2-0787-4CBC-87E3-4529BFB56B3F}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{CAAB9EC2-0787-4CBC-87E3-4529BFB56B3F}.Release|Any CPU.Build.0 = Release|Any CPU
+		{DC0609BD-5AF8-4347-A424-67D9A0AE38A3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{DC0609BD-5AF8-4347-A424-67D9A0AE38A3}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{DC0609BD-5AF8-4347-A424-67D9A0AE38A3}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{DC0609BD-5AF8-4347-A424-67D9A0AE38A3}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

AdventOfCode/AdventOfCode.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
@@ -41,6 +41,7 @@
     <None Remove="Problems\AOC2022\Day9\input.txt" />
     <None Remove="Problems\AOC2022\Day9\test.txt" />
     <None Remove="Problems\AOC2022\Day9\test2.txt" />
+    <None Remove="problems\aoc2023\day1\input.txt" />
   </ItemGroup>
 
 
@@ -53,5 +54,4 @@
   <ItemGroup>
     <PackageReference Include="Superpower" Version="3.0.0" />
   </ItemGroup>
-
 </Project>

AdventOfCode/Problems/AOC2023/Day0/TestProblem.cs

@@ -1,33 +0,0 @@
-using AdventOfCode.Runner;
-using AdventOfCode.Runner.Attributes;
-
-namespace AdventOfCode.Problems.AOC2023.Day0;
-[ProblemInfo(2023, 0, "Test")]
-public class TestProblem : Problem
-{
-	public override void LoadInput()
-	{
-		Thread.Sleep(1000);
-	}
-
-	public override void CalculatePart1()
-	{
-		Thread.Sleep(1000);
-	}
-
-	public override void CalculatePart2()
-	{
-		Thread.Sleep(1000);
-	}
-
-
-	public override void PrintPart1()
-	{
-		Console.WriteLine("Result");
-	}
-
-	public override void PrintPart2()
-	{
-		Console.WriteLine("Result 2");
-	}
-}

AdventOfCode/Problems/AOC2023/Day1/Trebuchet.cs

@@ -0,0 +1,107 @@
+using AdventOfCode.Runner.Attributes;
+
+using Superpower.Parsers;
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+
+namespace AdventOfCode.Problems.AOC2023.Day1;
+
+[ProblemInfo(2023, 1, "Trebuchet!?")]
+public partial class Trebuchet : Problem<int, int>
+{
+	private string[] _inputData = Array.Empty<string>();
+
+	public override void LoadInput()
+	{
+		_inputData = ReadInputLines();
+	}
+	public override void CalculatePart1()
+	{
+		Part1 = _inputData.Select(GetCalibrationValues)
+			.Select(cv => cv.left * 10 + cv.right)
+			.Sum();
+	}
+
+	private (int left, int right) GetCalibrationValues(string line)
+	{
+		var (left, right) = (0, 0);
+		for (int i = 0; i < line.Length; i++)
+		{
+			if (line[i] - '0' >= 10)
+				continue;
+			left = line[i] - '0';
+			break;
+		}
+		for (int i = line.Length - 1; i >= 0; i--)
+		{
+			if (line[i] - '0' >= 10)
+				continue;
+			right = line[i] - '0';
+			break;
+		}
+		return (left, right);
+	}
+
+	private readonly (string word, int value)[] numberWords = new []
+	{
+		 ("one", 1),
+		 ("two", 2),
+		 ("three", 3),
+		 ("four", 4),
+		 ("five", 5),
+		 ("six", 6),
+		 ("seven", 7),
+		 ("eight", 8),
+		 ("nine", 9)
+	};
+
+	public override void CalculatePart2()
+	{
+		Part2 = _inputData.Select(GetNamedCalibrationValues)
+				.Select(cv => cv.left * 10 + cv.right)
+				.Sum();
+	}
+
+	private (int left, int right) GetNamedCalibrationValues(string line)
+	{
+		var (left, right) = (0, 0);
+		for (int i = 0; i < line.Length; i++)
+		{
+			var word = numberWords.FirstOrDefault(v => line[i..].StartsWith(v.word), (word: "", value: -1)).value;
+			if (word != -1)
+			{
+				left = word;
+				break;
+			}else if(line[i] - '0' >= 10)
+				continue;
+
+			left = line[i] - '0';
+			break;
+		}
+		for (int i = line.Length - 1; i >= 0; i--)
+		{
+			var word = numberWords.FirstOrDefault(v => line[..(i + 1)].EndsWith(v.word), (word: "", value: -1)).value;
+			if (word != -1)
+			{
+				right = word;
+				break;
+			}
+			else if (line[i] - '0' >= 10)
+				continue;
+
+			right = line[i] - '0';
+			break;
+		}
+		return (left, right);
+	}
+
+
+	[GeneratedRegex("(?<1>one)|(?<2>two)|(?<3>three)|(?<4>four)|(?<5>five)|(?<6>six)|(?<7>seven)|(?<8>eight)|(?<9>nine)|(?<1>1)|(?<2>2)|(?<3>3)|(?<4>4)|(?<5>5)|(?<6>6)|(?<7>7)|(?<8>8)|(?<9>9)")]
+	public static partial Regex ParseNumbers();
+
+}