1 files changed, 56 insertions, 0 deletions
diff --git a/array_of_students_read.cpp b/array_of_students_read.cpp
new file mode 100644
index 0000000..ab1f425
--- /dev/null
+++ b/array_of_students_read.cpp
@@ -0,0 +1,56 @@
+#include <iostream>
+#include <fstream>
+#include <cstring>
+using namespace std;
+
+struct Student
+{
+	char name[30];
+	int age;
+	int fn;
+};
+
+void initStudent(Student& st, const char* name, int age, int fn)
+{
+	strcpy(st.name, name);
+	st.age = age;
+	st.fn = fn;
+}
+
+void saveToFile(const Student* students, size_t count, ofstream& file)
+{
+	file.write((const char*)students, count * sizeof(Student));
+}
+
+
+size_t getFileSize(ifstream& f)
+{
+	size_t currentPos = f.tellg();
+	f.seekg(0, ios::end);
+	size_t size = f.tellg();
+	
+	f.seekg(currentPos);
+	return size;
+}
+
+void readFromFile(Student*& ptr, size_t& studentsCount, ifstream& f)
+{
+	size_t sizeOfFile = getFileSize(f);
+	studentsCount = sizeOfFile / sizeof(Student);
+	ptr = new Student[studentsCount];
+	f.read((char*)ptr, sizeOfFile);
+}
+
+
+int main()
+{
+	Student* arr;
+	size_t count;
+	ifstream file("students.dat");
+	readFromFile(arr, count, file);
+
+	for (int i = 0; i < count; i++)
+		std::cout << "Name: " << arr[i].name << ", age: " << arr[i].age << ", fn: " << arr[i].fn << std::endl;
+	
+	delete[] arr;
+}
+\ No newline at end of file