#include "stdafx.h"
#include <iostream>
#include <Windows.h>

using namespace std;

int _tmain(int argc, _TCHAR* argv[])
{
        setlocale(LC_ALL, "Russian");
        int k = _ttoi(argv[2]);
        HANDLE connect = CreateFile(argv[1], GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
        if (connect == INVALID_HANDLE_VALUE){
            cout << "Ошибка."<< k <<" "<<GetLastError()<<endl;
            return 0;
        }
        double q = 23.14069263277926;
        DWORD buf;
        double res = (double)24.0 / k * (3 / (pow(q, k) - 1) - 4 / (pow(q, 2 * k) - 1) + 1 / (pow(q, 4 * k) - 1));
        wchar_t buffer[BUFSIZ];
        if (!WriteFile(connect, &res, sizeof(res), &buf, NULL)){
            cout << "Не может быть записано. "<<endl;
            return 0;
        }
        CloseHandle(connect);
    return 0;
}