Прога

// monitor_fs.cpp
// compile with: /clr
#using <system.dll>

using namespace System;
using namespace System::IO;
using namespace System::Diagnostics;

ref class FSEventHandler
{
public:
    void OnChanged(Object^ source, FileSystemEventArgs^ e)
    {
        Console::WriteLine("File: {0} {1}",
            e->FullPath, e->ChangeType);
        String^ name="";
        String^ num="";
        StreamReader^ sr = File::OpenText(e->Name);
        try
        {
            String^ s = "";
            if (s = sr->ReadLine())
            {
                array<String^>^ arr = s->Split(' ');
                 arr[0] + " " + arr[1];
                num = arr[3];
            }
            while (s = sr->ReadLine())
            {
                File::AppendAllText("in.cpp", s);
            }
        }
        finally
        {
            if (sr)
                delete (IDisposable^)(sr);
        }
        String^ com = "contest=2018-02-25 " + name + "=in.cpp:VC++ > out.txt";
        Process::Start("local_contests.exe",com);
        StreamReader^ sr = File::OpenText("out.txt");
        String^ res;
        try
        {
            String^ s = "";
            while (s = sr->ReadLine())
            {
                if (s == "Checking...")
                    break;
            }
            while (s = sr->ReadLine())
            {
                File::AppendAllText("res.txt", s);
            }
            array<String^>^ arr = s->Split(' ');
            res = arr[arr->Length - 1];
        }
        finally
        {
            if (sr)
                delete (IDisposable^)(sr);
        }

    }
};

int main()
{
    array<String^>^ args = Environment::GetCommandLineArgs();

    if (args->Length < 2)
    {
        Console::WriteLine("Usage: Watcher.exe <directory>");
        return -1;
    }

    FileSystemWatcher^ fsWatcher = gcnew FileSystemWatcher();
    fsWatcher->Path = args[1];
    fsWatcher->NotifyFilter = static_cast<NotifyFilters>
        (NotifyFilters::FileName |
            NotifyFilters::Attributes |
            NotifyFilters::LastAccess |
            NotifyFilters::LastWrite |
            NotifyFilters::Security |
            NotifyFilters::Size);

    FSEventHandler^ handler = gcnew FSEventHandler();
    fsWatcher->Changed += gcnew FileSystemEventHandler(
        handler, &FSEventHandler::OnChanged);
    fsWatcher->Created += gcnew FileSystemEventHandler(
        handler, &FSEventHandler::OnChanged);
    fsWatcher->Deleted += gcnew FileSystemEventHandler(
        handler, &FSEventHandler::OnChanged);

    fsWatcher->EnableRaisingEvents = true;

    //Console::WriteLine("Press Enter to quit the sample.");
    //Console::ReadLine();
}

Azure
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