Добавлена работа из .pdf файла

lab04/lab04-pdf.cpp

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+#include <iostream>
+#include <cassert>
+#include <cstdint> // Äëÿ uint8_t, uint16_t
+#include <cstring> // Äëÿ ðàáîòû ñ C-style ñòðîêàìè
+#include <iomanip>  // Äëÿ âûâîäà â ôîðìàòå hex
+
+using namespace std;
+
+// Ïå÷àòü áàéòà â øåñòíàäöàòåðè÷íîì âèäå
+void print_in_hex(uint8_t byte) {
+    cout << hex << uppercase << (byte >> 4) << (byte & 0x0F) << ' ';
+}
+
+// Ïå÷àòü ìàññèâà â øåñòíàäöàòåðè÷íîì âèäå
+void print_in_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++) {
+        print_in_hex(bytes[i]);
+        if ((i + 1) % 16 == 0) cout << '\n';
+    }
+    cout << dec << '\n'; // Âîçâðàùàåì äåñÿòè÷íûé ôîðìàò
+}
+
+// Ïå÷àòü áàéòà â äâîè÷íîì âèäå
+void print_in_binary(uint8_t byte) {
+    for (int i = 7; i >= 0; --i) {
+        cout << ((byte >> i) & 1);
+    }
+    cout << ' ';
+}
+
+// Ïå÷àòü ìàññèâà â äâîè÷íîì âèäå
+void print_in_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++) {
+        print_in_binary(bytes[i]);
+        if ((i + 1) % 4 == 0) cout << '\n';
+    }
+    cout << '\n';
+}
+
+void bitwise_calculator() {
+    uint16_t operand1, operand2;
+    char op;
+    cout << "Enter first operand (uint16_t): ";
+    cin >> operand1;
+    cout << "Enter operator (&, |, ^): ";
+    cin >> op;
+    cout << "Enter second operand (uint16_t): ";
+    cin >> operand2;
+
+    uint16_t result = 0;
+    switch (op) {
+    case '&': result = operand1 & operand2; break;
+    case '|': result = operand1 | operand2; break;
+    case '^': result = operand1 ^ operand2; break;
+    default:
+        cerr << "Invalid operator!\n";
+        return;
+    }
+
+    cout << "Result in hex: ";
+    print_in_hex(&result, sizeof(result));
+
+    cout << "Result in binary: ";
+    print_in_binary(&result, sizeof(result));
+}
+
+struct Student {
+    char name[17];           // Èìÿ ñòóäåíòà
+    uint16_t year;           // Ãîä ïîñòóïëåíèÿ
+    float average_score;     // Ñðåäíèé áàëë
+    uint8_t gender : 1;      // Ïîë: 0 - æåíñêèé, 1 - ìóæñêîé
+    uint8_t completed_courses; // Êîëè÷åñòâî êóðñîâ
+    Student* group_leader;   // Óêàçàòåëü íà ñòàðîñòó
+};
+
+void test_students() {
+    Student students[3] = {
+        {"Alice", 2020, static_cast<float>(4.5), 0, 3, nullptr},
+        {"Bob", 2021, static_cast<float>(4.0), 1, 2, nullptr},
+        {"Charlie", 2020, static_cast<float>(4.2), 1, 5, nullptr}
+    };
+
+    // Ïå÷àòü àäðåñîâ è ðàçìåðîâ
+    cout << "Array address: " << &students << ", size: " << sizeof(students) << " bytes\n";
+    for (size_t i = 0; i < 3; ++i) {
+        cout << "Student " << i + 1 << " address: " << &students[i] << ", size: " << sizeof(students[i]) << " bytes\n";
+    }
+
+    // Ïå÷àòü âñåõ ïîëåé
+    for (const auto& student : students) {
+        cout << "Name: " << student.name << ", Address: " << (void*)student.name << '\n';
+        cout << "Year: " << student.year << ", Address: " << &student.year << '\n';
+        cout << "Average Score: " << student.average_score << ", Address: " << &student.average_score << '\n';
+        cout << "Gender: " << static_cast<int>(student.gender) << '\n';
+        cout << "Completed Courses: " << static_cast<int>(student.completed_courses) << '\n';
+        cout << "Group Leader Address: " << student.group_leader << "\n\n";
+    }
+}
+
+int main() {
+    // Âûçîâ ôóíêöèé
+    bitwise_calculator();
+    test_students();
+    return 0;
+}