first commit

2024-12-27 21:10:11 +03:00
--- a/task3/Release/task3.exe
+++ b/task3/Release/task3.exe
--- a/task3/task3.cpp
+++ b/task3/task3.cpp
@@ -0,0 +1,135 @@
+#include <iostream>
+using namespace std;
+
+struct Student {
+	char Name[17];
+	uint16_t Year_of_receipt;
+	float Average_score;
+	uint16_t Sex : 1;
+	uint16_t Finished_courses;
+	Student *Team_lead;
+};
+
+char digits[] = "0123456789ABCDEF";
+const uint8_t*
+as_bytes(const void* data) {
+	return reinterpret_cast<const uint8_t*>(data);
+}
+
+char nibble_to_hex(uint8_t i) {
+	return digits[i & 0xf];
+}
+void print_in_hex(uint8_t byte) {
+	cout << nibble_to_hex(byte >> 4)
+		<< nibble_to_hex(byte & 0xf);
+}
+void print_in_hex(const void* data, size_t size) {
+	const uint8_t *bytes = as_bytes(data);
+	for (size_t i = 0; i < size; i++) {
+		print_in_hex(bytes[i]);
+		if ((i + 1) % 16 == 0) {
+			cout << '\n';
+		}
+		else {
+			cout << ' ';
+		}
+	}
+}
+char bit_digit(uint8_t byte, uint8_t bit) {
+	if (byte &(0x1 << bit)) {
+		return '1';
+	}
+	return '0';
+}
+
+void print_in_binary(uint8_t byte) {
+	for (int bit = 7; bit >= 0; bit--) {
+		cout << bit_digit(byte, bit);
+	}
+}
+void print_in_binary(const void* data, size_t size) {
+	const uint8_t *bytes = as_bytes(data);
+	for (size_t i = 0; i < size; i++) {
+		print_in_binary(bytes[i]);
+		if ((i + 1) % 4 == 0) {
+			cout << '\n';
+		}
+		else {
+			cout << ' ';
+		}
+	}
+}
+
+int main() {
+	Student students[3];
+	uint16_t gender;
+	for (int i = 0; i < 3; i++) {
+		if (i != 0) {
+			cout << "Student " << i << ":\n";
+			students[i].Team_lead = &students[0];
+		}
+		else {
+			students[i].Team_lead = NULL;
+			cout << "Team lead:\n";
+		}
+		cout << "Name: ";
+		cin >> students[i].Name;
+		cout << "Year of receiption: ";
+		cin >> students[i].Year_of_receipt;
+		cout << "Average score: ";
+		cin >> students[i].Average_score;
+		cout << "Gender (0-1): ";
+		cin >> gender;
+		students[i].Sex = gender;
+		cout << "Courses: ";
+		cin >> students[i].Finished_courses;
+	}
+
+	cout << "Array address: " << (void*)students << "\n";
+	cout << "Array size: " << sizeof(students) << "\n";
+	for (int i = 0; i < 3; i++) {
+		cout << "Address of element " << i << ": " << (void*)&students[i] << "\n";
+		cout << "Size of element: " << i << ": " << sizeof(Student) << "\n";
+	}
+	cout << "students[1]:\n";
+	cout << "Name: address = " << (void*)&students[1].Name
+		<< " offset = " << offsetof(Student, Name)
+		<< " size = " << sizeof(students[1].Name) << "\nhex:\n";
+	print_in_hex(&students[1].Name, sizeof(students[1].Name));
+	cout << "\nIn binary:\n";
+	print_in_binary(&students[1].Name, sizeof(students[1].Name));
+
+	cout << "\n\nYear_of_receipt: address = " << (void*)&students[1].Year_of_receipt
+		<< " offset = " << offsetof(Student, Year_of_receipt)
+		<< " size = " << sizeof(students[1].Year_of_receipt) << "\nhex:\n";
+	print_in_hex(&students[1].Year_of_receipt, sizeof(students[1].Year_of_receipt));
+	cout << "\nIn binary:\n";
+	print_in_binary(&students[1].Year_of_receipt, sizeof(students[1].Year_of_receipt));
+
+	cout << "\n\nAverage_score: address = " << (void*)&students[1].Average_score
+		<< " offset = " << offsetof(Student, Average_score)
+		<< " size = " << sizeof(students[1].Average_score) << "\nhex:\n";
+	print_in_hex(&students[1].Average_score, sizeof(students[1].Average_score));
+	cout << "\nIn binary:\n";
+	print_in_binary(&students[1].Average_score, sizeof(students[1].Average_score));
+
+	cout << "\n\nFinished_courses: address = " << (void*)&students[1].Finished_courses
+		<< " offset = " << offsetof(Student, Finished_courses)
+		<< " size = " << sizeof(students[1].Finished_courses) << "\nhex:\n";
+	print_in_hex(&students[1].Finished_courses, sizeof(students[1].Finished_courses));
+	cout << "\nIn binary:\n";
+	print_in_binary(&students[1].Finished_courses, sizeof(students[1].Finished_courses));
+
+	cout << "\n\nTeam_lead: address = " << (void*)&students[1].Team_lead
+		<< " offset = " << offsetof(Student, Team_lead)
+		<< " size = " << sizeof(students[1].Team_lead) << "\nhex:\n";
+	print_in_hex(&students[1].Team_lead, sizeof(students[1].Team_lead));
+	cout << "\nIn binary:\n";
+	print_in_binary(&students[1].Team_lead, sizeof(students[1].Team_lead));
+	cout << "\nFull array:\n";
+	print_in_hex(students, sizeof(students));
+	cout << "\nIn binary:\n";
+	print_in_binary(students, sizeof(students));
+	cin >> gender;
+	return 0;
+}
--- a/task3/task3.sln
+++ b/task3/task3.sln
@@ -0,0 +1,28 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 14
+VisualStudioVersion = 14.0.25420.1
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "task3", "task3.vcxproj", "{61673896-8D28-4E1E-8522-FCAD2883C239}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{61673896-8D28-4E1E-8522-FCAD2883C239}.Debug|x64.ActiveCfg = Debug|x64
+		{61673896-8D28-4E1E-8522-FCAD2883C239}.Debug|x64.Build.0 = Debug|x64
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+		{61673896-8D28-4E1E-8522-FCAD2883C239}.Debug|x86.Build.0 = Debug|Win32
+		{61673896-8D28-4E1E-8522-FCAD2883C239}.Release|x64.ActiveCfg = Release|x64
+		{61673896-8D28-4E1E-8522-FCAD2883C239}.Release|x64.Build.0 = Release|x64
+		{61673896-8D28-4E1E-8522-FCAD2883C239}.Release|x86.ActiveCfg = Release|Win32
+		{61673896-8D28-4E1E-8522-FCAD2883C239}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal
--- a/task3/task3.vcxproj
+++ b/task3/task3.vcxproj
@@ -0,0 +1,154 @@
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