Day05

y.2023/AoC_2023.sln

@@ -0,0 +1,40 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Day01", "Day01\Day01.csproj", "{1B746D77-79D5-4C47-8E72-D300F1883E9D}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Day02", "Day02\Day02.csproj", "{EAFB72C3-97D5-40ED-919E-8C444D3E0BDD}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Day03", "Day03\Day03.csproj", "{17172171-086A-4858-97F7-DF9833B56A3E}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Day04", "Day04\Day04.csproj", "{9F89D6F5-EBD5-4377-89B8-9CDC9DAC5858}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Day05", "Day05\Day05.csproj", "{B7EFE93E-5A41-419A-A9C3-0344E974CD22}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{1B746D77-79D5-4C47-8E72-D300F1883E9D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{1B746D77-79D5-4C47-8E72-D300F1883E9D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{1B746D77-79D5-4C47-8E72-D300F1883E9D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{1B746D77-79D5-4C47-8E72-D300F1883E9D}.Release|Any CPU.Build.0 = Release|Any CPU
+		{EAFB72C3-97D5-40ED-919E-8C444D3E0BDD}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{EAFB72C3-97D5-40ED-919E-8C444D3E0BDD}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{EAFB72C3-97D5-40ED-919E-8C444D3E0BDD}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{EAFB72C3-97D5-40ED-919E-8C444D3E0BDD}.Release|Any CPU.Build.0 = Release|Any CPU
+		{17172171-086A-4858-97F7-DF9833B56A3E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{17172171-086A-4858-97F7-DF9833B56A3E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{17172171-086A-4858-97F7-DF9833B56A3E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{17172171-086A-4858-97F7-DF9833B56A3E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{9F89D6F5-EBD5-4377-89B8-9CDC9DAC5858}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{9F89D6F5-EBD5-4377-89B8-9CDC9DAC5858}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{9F89D6F5-EBD5-4377-89B8-9CDC9DAC5858}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{9F89D6F5-EBD5-4377-89B8-9CDC9DAC5858}.Release|Any CPU.Build.0 = Release|Any CPU
+		{B7EFE93E-5A41-419A-A9C3-0344E974CD22}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B7EFE93E-5A41-419A-A9C3-0344E974CD22}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B7EFE93E-5A41-419A-A9C3-0344E974CD22}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B7EFE93E-5A41-419A-A9C3-0344E974CD22}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal

y.2023/Day01/Day01.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net6.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+</Project>

y.2023/Day01/InputExample.txt

@@ -0,0 +1,4 @@
+1abc2
+pqr3stu8vwx
+a1b2c3d4e5f
+treb7uchet

y.2023/Day01/InputExample_Carles.txt

@@ -0,0 +1,20 @@
+2hdivyjone42
+7pqrstsixteen
+v4
+one
+two
+three
+four
+five
+six
+seven
+eight
+nine
+twoone
+twone
+eightwo
+nineight
+eighthree
+nineeight
+eeeight
+oooneeone

y.2023/Day01/InputExample_Part2.txt

@@ -0,0 +1,7 @@
+two1nine
+eightwothree
+abcone2threexyz
+xtwone3four
+4nineeightseven2
+zoneight234
+7pqrstsixteen

y.2023/Day01/Program.cs

@@ -0,0 +1,115 @@
+namespace Day01;
+
+internal abstract class Program
+{
+    private static void Main(string[] args)
+    {
+        try
+        {
+            if (args.Length < 1)
+            {
+                Console.WriteLine("No calibration input file provided. Please provide one.");
+                return;
+            }            
+
+            var  filePath = args[0];
+
+            if (!File.Exists(filePath))
+            {
+                Console.WriteLine($"File not found at path: {filePath}");
+                return;
+            }
+
+            var calibratorLine = File.ReadAllLines(filePath);
+
+            var calibrationValue = calibratorLine.Sum(GetCalibration);
+
+            Console.WriteLine($"The Calibration value is: {calibrationValue}");
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine($"Error: {ex.Message}");
+        }
+    }
+
+    private static int GetCalibration(string lineCalibration)
+    {
+        var numbersFormattedText = GetAllNumbers(lineCalibration);
+
+        var firstDigit = numbersFormattedText.FirstOrDefault();
+        var lastDigit = numbersFormattedText.LastOrDefault();
+
+        var calibrationValue = firstDigit ?? firstDigit;
+
+        if (numbersFormattedText.Count > 1)
+        {
+            calibrationValue += lastDigit ?? lastDigit;
+        }
+
+        var isResultParsedCorrectly = int.TryParse(calibrationValue, out var result);
+
+        Console.WriteLine($"The encrypted calibration line {lineCalibration} has a calibration value of: {result}");
+
+        return isResultParsedCorrectly ? result : 0;
+    }
+
+    private static List<string> GetAllNumbers(string lineCalibration)
+    {
+        var spelledNumbers = new List<string>
+        {
+            "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"
+        };
+
+        var allowedDigits = new List<string>
+        {
+            "0", "1", "2", "3", "4", "5", "6", "7", "8", "9"
+        };
+
+        var numbersFound = spelledNumbers
+            .SelectMany(number =>
+                lineCalibration
+                    .Select((c, index) => new { Char = c, Index = index })
+                    .Where(item => lineCalibration.IndexOf(number, item.Index, StringComparison.OrdinalIgnoreCase) == item.Index)
+                    .Select(item => new { Number = number, PositionOnText = item.Index })
+            )
+            .Where(x => x.PositionOnText != -1)
+            .ToList();
+
+        var digitsFound = allowedDigits
+            .SelectMany(number =>
+                lineCalibration
+                    .Select((c, index) => new { Char = c, Index = index })
+                    .Where(item => lineCalibration.IndexOf(number, item.Index, StringComparison.OrdinalIgnoreCase) == item.Index)
+                    .Select(item => new { Number = number, PositionOnText = item.Index })
+            )
+            .Where(x => x.PositionOnText != -1)
+            .ToList();
+
+        var allNumbers = numbersFound.Concat(digitsFound)
+            .OrderBy(x => x.PositionOnText)
+            .Select(x => x.Number)
+            .ToList();
+
+        // Repeat Digit When Only One Exists
+        if (allNumbers.Count == 1 && digitsFound.Count == 1)
+        {
+            allNumbers.Add(digitsFound.FirstOrDefault().Number);
+        }
+
+        ReplaceNumbersToDigits(allNumbers, spelledNumbers);
+
+        return allNumbers;
+    }
+
+    private static void ReplaceNumbersToDigits(List<string> allNumbers, List<string> spelledNumbers)
+    {
+        for (var i = 0; i < allNumbers.Count; i++)
+        {
+            var number = spelledNumbers.IndexOf(allNumbers[i]);
+            if (number > 0)
+            {
+                allNumbers[i] = number.ToString();
+            }
+        }
+    }
+}