Из заданного двоичного файла создать новый двоичный файл, у которого байты переставлены в обратном порядке

#include <fstream>
 
int main()
  {
  std::ifstream source("source.txt", std::ios::binary);
  std::ofstream destination("destination.txt", std::ios::binary);
  
  source.seekg(-1, source.end);
  while (source.good())
    {
    char temporary_char;
    source.get(temporary_char);
    destination.write(&temporary_char, 1);
    source.seekg(-2, source.cur);
    }
  return 0;
  }

#include <fstream>
#include <iterator>
#include <vector>
 
int main()
  {
  std::ifstream source("source.txt", std::ios::binary);
 
  source.seekg(0, source.end);
  std::vector<char> buffer(static_cast<size_t>(source.tellg()));
  source.seekg(0, source.beg);
  source.read(&buffer[0], buffer.size());
  source.close();
 
  std::ofstream destination("destination.txt", std::ios::binary);
  std::copy(buffer.rbegin(), buffer.rend(), std::ostream_iterator<char>(destination));
  return 0;
  }

#include <iostream>
#include <fstream>
#include <vector>
#include <Windows.h>
 
int main()
  {
  unsigned long long ticks1 = GetTickCount64();
  std::ifstream source("C:/Users/Nekto/Downloads/VIDEO/Supernatural.S09E20.Bloodlines.1080p.WEB-DL.DD5.1.H.264-ECI [PublicHD]/Supernatural.S09E20.Bloodlines.1080p.WEB-DL.DD5.1.H.264-ECI.mkv", std::ios::binary);
 
  source.seekg(0, source.end);
  std::vector<char> buffer(static_cast<size_t>(source.tellg()));
  source.seekg(0, source.beg);
  source.read(&buffer[0], buffer.size());
  unsigned long long ticks2 = GetTickCount64();
  std::cout << "Finished reading file (" << ticks2 - ticks1 << " ms)" << std::endl;
  source.close();
 
  ticks1 = GetTickCount64();
  std::reverse(buffer.begin(), buffer.end());
  ticks2 = GetTickCount64();
  std::cout << "Finished reversing (" << ticks2 - ticks1 << " ms)" << std::endl;
 
  ticks1 = GetTickCount64();
  std::ofstream destination("destination.txt", std::ios::binary);
  destination.write(&buffer[0], buffer.size());
  ticks2 = GetTickCount64();
  std::cout << "Finished saving (" << ticks2 - ticks1 << " ms)" << std::endl;
  return 0;
  }