#include <iostream>
#include <bitset>
#include <vector>

class BitWriter
{
public:
    BitWriter() : bitCount(0) {}

    void WriteBit(unsigned char bit)
    {
        if (bitCount == buffer.size() * 8)
            buffer.push_back(0);
        if (bit)
            buffer[bitCount/8] |= 1 << (7 - bitCount % 8);
        bitCount++;
    }

    void WriteByte(unsigned char byte)
    {
        if (bitCount % 8 == 0)
            buffer.push_back(byte);
        else
        {
            int offset = bitCount % 8;
            buffer[bitCount/8] |= byte >> offset;
            buffer.push_back(byte << (8 - offset));
        }
        bitCount += 8;
    }

    const std::vector<unsigned char> &getBuffer() const
    {
        return buffer;
    }

    size_t getBitCount() const
    {
        return bitCount;
    }

private:
    std::vector<unsigned char> buffer;
    size_t bitCount;
};

void visualizeBuffer(const std::vector<unsigned char> &buffer)
{
    for (auto &b: buffer)
    {
        std::cout << std::bitset<8>(b) << "|";
    }
    std::cout << std::endl;
}

int main()
{
    BitWriter bw;
    bw.WriteBit(1);
    bw.WriteBit(0);
    bw.WriteBit(0);
    bw.WriteBit(1);
    bw.WriteBit(1);
    bw.WriteBit(1);
    bw.WriteBit(0);
    bw.WriteBit(1);

    bw.WriteByte(1);
    bw.WriteByte(255);
    bw.WriteBit(0);
    bw.WriteBit(0);
    bw.WriteByte(255);

    visualizeBuffer(bw.getBuffer());
}