#include <vector>
#include <fstream>
#include <iostream>

std::vector<bool> Read();
void Write(std::vector<bool>& map);

int main()
{
    std::vector<bool> map;
    map.resize(8);
    map[0] = 1;
    map[1] = 1;
    map[2] = 0;
    map[3] = 0;
    map[4] = 0;
    map[5] = 1;
    map[6] = 1;
    map[7] = 1;

    Write(map);
    std::cout << "Write data :" << std::endl;
    for (unsigned int i = 0; i < map.size(); i++)
    {
        std::cout << map[i] << " ";
    }
    map = Read();
    std::cout << "\n" << "Read Data :" << std::endl;
    for (unsigned int i = 0; i < map.size(); i++)
    {
        std::cout << map[i] << " ";
    }
    std::cout << "\n";
    std::cout << map.size() << std::endl;

    return 0;
}

std::vector<bool> Read()
{
    std::vector<bool> map;
    std::ifstream fin("test.bin", std::ios::binary);
    int size = 8 / 8.0f;
    char * buffer = new char[size];
    fin.read(buffer, size);
    fin.close();
    for (int i = 0; i < size; i++)
    {
        for (int id = 0; id < 8; id++)
        {
            map.emplace_back(buffer[i] << id);
        }
    }
    delete[] buffer;
    return map;
}

void Write(std::vector<bool>& map)
{
    std::ofstream fout("test.bin", std::ios::binary);
    char byte = 0;
    int byte_index = 0;
    for (size_t i = 0; i < map.size(); i++)
    {
        if (map[i])
        {
            byte |= (1 << byte_index);
        }
        byte_index++;
        if (byte_index > 7)
        {
            byte_index = 0;
            fout.write(&byte, sizeof(byte));
        }
    }
    fout.close();
}