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99 строки
2.6 KiB
C++
99 строки
2.6 KiB
C++
#include <iostream>
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#include <cassert>
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using namespace std;
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// Ôóíêöèÿ äëÿ ïðåäñòàâëåíèÿ nibble (4 áèò) â øåñòíàäöàòåðè÷íîé ñèñòåìå
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char nibble_to_hex(uint8_t i) {
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// Ìàññèâ öèôð â øåñòíàäöàòåðè÷íîé ñèñòåìå
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char digits[] = "0123456789abcdef";
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// Ïðîâåðêà íà êîððåêòíîñòü àðãóìåíòà
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assert(0x0 <= i && i <= 0xf);
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// Âîçâðàùàåì ñèìâîë äëÿ nibble èç ìàññèâà digits
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return digits[i];
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}
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// Ôóíêöèÿ äëÿ ïå÷àòè îäíîãî áàéòà â øåñòíàäöàòåðè÷íîé è äâîè÷íîé ôîðìå
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void print_in_hex(uint8_t byte) {
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// Ïå÷àòü â øåñòíàäöàòåðè÷íîé ôîðìå
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cout << "Hex: " << nibble_to_hex(byte >> 4) << nibble_to_hex(byte & 0xf) << endl;
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// Ïå÷àòü â äâîè÷íîé ôîðìå
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cout << "Binary: ";
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for (int i = 7; i >= 0; --i) {
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cout << ((byte >> i) & 1);
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}
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cout << endl;
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}
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int main() {
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// Òåñòèðîâàíèå ôóíêöèè nibble_to_hex
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//for (int i = 0; i <= 0xf; ++i) {
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//assert(nibble_to_hex(i) == nibble_to_hex(i));
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//}
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assert(nibble_to_hex(0x0) == '0');
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assert(nibble_to_hex(0x1) == '1');
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assert(nibble_to_hex(0x2) == '2');
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assert(nibble_to_hex(0x3) == '3');
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assert(nibble_to_hex(0x4) == '4');
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assert(nibble_to_hex(0x5) == '5');
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assert(nibble_to_hex(0x6) == '6');
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assert(nibble_to_hex(0x7) == '7');
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assert(nibble_to_hex(0x8) == '8');
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assert(nibble_to_hex(0x9) == '9');
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assert(nibble_to_hex(0xa) == 'a');
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assert(nibble_to_hex(0xb) == 'b');
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assert(nibble_to_hex(0xc) == 'c');
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assert(nibble_to_hex(0xd) == 'd');
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assert(nibble_to_hex(0xe) == 'e');
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assert(nibble_to_hex(0xf) == 'f');
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// Ïå÷àòü áàéòà â øåñòíàäöàòåðè÷íîé è äâîè÷íîé ôîðìå
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uint8_t test_byte = 0x2f;
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print_in_hex(test_byte);
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return 0;
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}
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int main_calc() {
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uint16_t operand1, operand2;
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char operation;
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cout << "Enter the first operand (in hexadecimal): ";
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cin >> std::hex >> operand1;
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cout << "Enter the bitwise operation (&, |, or ^): ";
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cin >> operation;
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cout << "Enter the second operand (in hexadecimal): ";
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cin >> std::hex >> operand2;
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uint16_t result = perform_bitwise_operation(operand1, operation, operand2);
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cout << "\nCalculation Result:" << endl;
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print_calculation(result);
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return 0;
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}
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int main_students() {
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// Student
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Student students[3] = {
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Student("Alice", 2019, 4.5, 0, 3, nullptr),
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Student("Bob", 2019, 4.2, 1, 2, nullptr),
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Student("Charlie", 2019, 4.7, 1, 4, nullptr) // Îáðàòèòå âíèìàíèå, ÷òî òóò íåò óêàçàòåëÿ íà groupLeader
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};
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// Details
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for (int i = 0; i < 3; ++i) {
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std::cout << "\nDetails of Student " << i + 1 << ":" << std::endl;
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printStudentDetails(students[i]);
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}
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return 0;
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}
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