cppFileCleaner

using System;
using System.IO;

class Program
{
    static void Main(string[] args)
    {
        string sourceDirectory = @"путь_к_директории_с_cpp_файлами";
        string destinationDirectory = Path.Combine(sourceDirectory, "clean solution");

        if (!Directory.Exists(destinationDirectory))
        {
            Directory.CreateDirectory(destinationDirectory);
        }

        string[] cppFiles = Directory.GetFiles(sourceDirectory, "*.cpp");

        foreach (string cppFile in cppFiles)
        {
            CleanCppFile(cppFile, destinationDirectory);
        }

        Console.WriteLine("Очистка завершена.");
    }

    static void CleanCppFile(string filePath, string destinationDirectory)
    {
        string[] lines = File.ReadAllLines(filePath);
        bool foundSolutionMarker = false;
        int endIndex = -1;

        for (int i = 0; i < lines.Length; i++)
        {
            if (lines[i].Contains("//  //  //  //  //  //  //  Solution  //  //  //  //  //  //  //"))
            {
                foundSolutionMarker = true;
                endIndex = i;
                break;
            }
        }

        if (foundSolutionMarker)
        {
            string fileName = Path.GetFileName(filePath);
            string destinationPath = Path.Combine(destinationDirectory, fileName);

            using (StreamWriter writer = new StreamWriter(destinationPath))
            {
                for (int i = 0; i <= endIndex; i++)
                {
                    writer.WriteLine(lines[i]);
                }
            }
        }
        else
        {
            Console.WriteLine($"Не найден маркер Solution в файле: {filePath}");
        }
    }
}