diff --git a/lab04_task3.cpp b/lab04_task3.cpp
new file mode 100644
index 0000000..a954421
--- /dev/null
+++ b/lab04_task3.cpp
@@ -0,0 +1,147 @@
+#include <iostream>
+#include <iomanip>
+#include <cstddef>
+#include <cstdint>
+#include <cstring>
+#include <clocale> // Для setlocale
+
+using namespace std;
+
+struct Student {
+    char name[17];
+    uint16_t year;
+    float average_score;
+    uint8_t gender : 1;
+    uint8_t courses : 7;
+    Student* head_student;
+};
+
+void print_hex(const void* data, size_t size) {
+    const uint8_t* bytes = reinterpret_cast<const uint8_t*>(data);
+    for (size_t i = 0; i < size; i++) {
+        cout << hex << uppercase << setw(2) << setfill('0')
+             << static_cast<int>(bytes[i]) << " ";
+    }
+    cout << dec;
+}
+
+void print_binary(const void* data, size_t size) {
+    const uint8_t* bytes = reinterpret_cast<const uint8_t*>(data);
+    for (size_t i = 0; i < size; i++) {
+        for (int j = 7; j >= 0; j--) {
+            cout << ((bytes[i] >> j) & 1);
+        }
+        cout << " ";
+    }
+}
+
+int main() {
+    // Устанавливаем локализацию на русский язык
+    setlocale(LC_ALL, "Russian");  // Для Linux/macOS
+    // В случае Windows попробуйте использовать setlocale(LC_ALL, "Russian");
+
+    Student students[3];
+
+    strcpy(students[0].name, "Ivanov Ivan");
+    students[0].year = 2023;
+    students[0].average_score = 4.5f;
+    students[0].gender = 1;
+    students[0].courses = 2;
+    students[0].head_student = nullptr;
+
+    strcpy(students[1].name, "Petrova Anna");
+    students[1].year = 2023;
+    students[1].average_score = 4.8f;
+    students[1].gender = 0;
+    students[1].courses = 2;
+    students[1].head_student = &students[0];
+
+    strcpy(students[2].name, "Sidorov Petr");
+    students[2].year = 2023;
+    students[2].average_score = 4.2f;
+    students[2].gender = 1;
+    students[2].courses = 2;
+    students[2].head_student = &students[0];
+
+    cout << "1. Информация о массиве:" << endl;
+    cout << "Адрес массива: " << &students << endl;
+    cout << "Размер массива: " << sizeof(students) << " байт" << endl << endl;
+
+    cout << "2. Информация об элементах массива:" << endl;
+    for (int i = 0; i < 3; i++) {
+        cout << "Студент " << i << ":" << endl;
+        cout << "Адрес: " << &students[i] << endl;
+        cout << "Размер: " << sizeof(Student) << " байт" << endl << endl;
+    }
+
+    cout << "3. Детальная информация о полях второго студента:" << endl;
+
+    cout << "name:" << endl;
+    cout << "  Адрес: " << static_cast<void*>(students[1].name) << endl;
+    cout << "  Смещение: " << offsetof(Student, name) << endl;
+    cout << "  Размер: " << sizeof(students[1].name) << " байт" << endl;
+    cout << "  Hex: ";
+    print_hex(students[1].name, sizeof(students[1].name));
+    cout << endl << "  Bin: ";
+    print_binary(students[1].name, sizeof(students[1].name));
+    cout << endl << endl;
+
+    cout << "year:" << endl;
+    cout << "  Адрес: " << &students[1].year << endl;
+    cout << "  Смещение: " << offsetof(Student, year) << endl;
+    cout << "  Размер: " << sizeof(students[1].year) << " байт" << endl;
+    cout << "  Hex: ";
+    print_hex(&students[1].year, sizeof(students[1].year));
+    cout << endl << "  Bin: ";
+    print_binary(&students[1].year, sizeof(students[1].year));
+    cout << endl << endl;
+
+    cout << "average_score:" << endl;
+    cout << "  Адрес: " << &students[1].average_score << endl;
+    cout << "  Смещение: " << offsetof(Student, average_score) << endl;
+    cout << "  Размер: " << sizeof(students[1].average_score) << " байт" << endl;
+    cout << "  Hex: ";
+    print_hex(&students[1].average_score, sizeof(students[1].average_score));
+    cout << endl << "  Bin: ";
+    print_binary(&students[1].average_score, sizeof(students[1].average_score));
+    cout << endl << endl;
+
+    cout << "head_student:" << endl;
+    cout << "  Адрес: " << &students[1].head_student << endl;
+    cout << "  Смещение: " << offsetof(Student, head_student) << endl;
+    cout << "  Размер: " << sizeof(students[1].head_student) << " байт" << endl;
+    cout << "  Hex: ";
+    print_hex(&students[1].head_student, sizeof(students[1].head_student));
+    cout << endl << "  Bin: ";
+    print_binary(&students[1].head_student, sizeof(students[1].head_student));
+    cout << endl << endl;
+
+    cout << "4. Шестнадцатеричное представление структур:" << endl;
+    for (int i = 0; i < 3; i++) {
+        cout << "Студент " << i << " (староста: " << (i == 0 ? "да" : "нет") << "):" << endl;
+        cout << "  Все поля: ";
+        print_hex(&students[i], sizeof(Student));
+        cout << endl;
+        cout << "  name: ";
+        print_hex(&students[i].name, sizeof(students[i].name));
+        cout << endl;
+        cout << "  year: ";
+        print_hex(&students[i].year, sizeof(students[i].year));
+        cout << endl;
+        cout << "  average_score: ";
+        print_hex(&students[i].average_score, sizeof(students[i].average_score));
+        cout << endl;
+
+        // Получаем значение байта, содержащего битовые поля
+        uint8_t bit_fields = (students[i].gender << 7) | students[i].courses;
+        cout << "  gender и courses (как байт): ";
+        print_hex(&bit_fields, sizeof(bit_fields));
+        cout << endl;
+
+        cout << "  head_student: ";
+        print_hex(&students[i].head_student, sizeof(students[i].head_student));
+        cout << endl << endl;
+    }
+
+    return 0;
+}