#include <iostream>
#include <cstdint>
#include <bitset>
#include <cstring>

using namespace std;

void print_in_hex(uint8_t byte) 
{
    cout << hex << uppercase
        << static_cast<int>(byte / 16)
        << static_cast<int>(byte % 16);
}

void print_in_hex(const void* data, size_t size) 
{
    const uint8_t* bytes = static_cast<const uint8_t*>(data);
    for (size_t i = 0; i < size; ++i) 
    {
        print_in_hex(bytes[i]);
        cout << ' ';

        if ((i + 1) % 16 == 0 || i == size - 1) 
            cout << endl;
    }
    cout << dec;
}

void print_in_binary(uint8_t byte) 
{
    bitset<8> bits(byte);
    cout << bits;
}

void print_in_binary(const void* data, size_t size) 
{
    const uint8_t* bytes = static_cast<const uint8_t*>(data);
    for (size_t i = 0; i < size; ++i) 
    {
        print_in_binary(bytes[i]);
        cout << ' ';

        if ((i + 1) % 4 == 0 || i == size - 1) 
            cout << endl;
    }
}

int main() 
{
    setlocale(LC_ALL, "Russian");

    cout << "----Тестирование функций печати\n" << endl;

    cout << "1. Печать отдельных байт:" << endl;

    uint8_t test_byte = 0xAB;
    cout << "print_in_hex(0xAB): ";
    print_in_hex(test_byte);
    cout << endl;

    cout << "print_in_binary(0xAB): ";
    print_in_binary(test_byte);
    cout << endl;

    cout << "\n2. Печать массива данных (12 байт):" << endl;

    uint8_t test_data[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06,
                          0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C };

    cout << "В шестнадцатеричном виде:" << endl;
    print_in_hex(test_data, sizeof(test_data));

    cout << "\nВ двоичном виде:" << endl;
    print_in_binary(test_data, sizeof(test_data));

    cout << "\n3. Печать строки \"Hello\":";
    const char* test_string = "Hello";

    cout << "\nВ шестнадцатеричном виде:" << endl;
    print_in_hex(test_string, strlen(test_string) + 1);

    cout << "\nВ двоичном виде:" << endl;
    print_in_binary(test_string, strlen(test_string) + 1);

    cout << "\n4. Печать числа int = 0x12345678:" << endl;
    int test_int = 0x12345678;

    cout << "В шестнадцатеричном виде:" << endl;
    print_in_hex(&test_int, sizeof(test_int));

    cout << "\nВ двоичном виде:" << endl;
    print_in_binary(&test_int, sizeof(test_int));

    return 0;
}