cppStudentStructBase

#include <iostream>

const uint8_t marksCount{ 3 };

struct Student
{
    uint32_t id;
    char* name;
    uint8_t marks[marksCount];
};


void initStudent(Student& stud, uint32_t id, const char* name, const uint8_t* marks)
{
    stud.id = id;
    int nameLen;
    nameLen = strlen(name) + 1;
    stud.name = new char[nameLen];
    strcpy_s(stud.name, nameLen, name);

    for (int i{ 0 }; i < marksCount; ++i)
    {
        stud.marks[i] = marks[i];
    }
}

float getAvgGrade(const Student& stud)
{
    int sum{ 0 };
    for (int i{ 0 }; i < marksCount; ++i)
    {
        sum += stud.marks[i];
    }
    return ((float)sum / marksCount);
}

void printStudent(const Student& stud, bool detail = false)
{
    std::cout << "Student: " << stud.name << "\nId: " << stud.id << '\n';
    if (detail)
    {
        for (int i{ 0 }; i < marksCount; ++i)
        {
            std::cout << "Mark# " << i << " - " << (int)stud.marks[i] << '\n';
        }
    }
    std::cout << "Average grade: " << getAvgGrade(stud) << '\n';
}


int main()
{
    //Student stud1;

    //stud1.id = 42;
    //stud1.name = new char[15]{ "Vasilij" };
    //stud1.marks[0] = 7;
    //stud1.marks[1] = 9;
    //stud1.marks[2] = 11;


    //std::cout << "Student: " << stud1.name << "\nId: " << stud1.id << '\n';
    //int sum{ 0 };
    //for (int i{ 0 }; i < marksCount; ++i)
    //{
    //  std::cout << "Mark# " << i << " - " << (int)stud1.marks[i] << '\n';
    //  sum += stud1.marks[i];
    //}
    //std::cout << "Average grade: " << ((float)sum / marksCount) << '\n';

    //delete[] stud1.name;

    /*Student stud1;

    uint8_t marks[marksCount]{ 7,9,11 };
    initStudent(stud1,42, "Vasilij", marks);
    printStudent(stud1);*/

    const int studentsCount{ 3 };
    Student students[studentsCount];
    initStudent(students[0], 42, "Vasilij", new uint8_t[marksCount] {7,9,11});
    students[0].id = -17;
    students[0].marks[0] = -23;
    students[0].marks[1] = 57;
    students[0].name = nullptr;

    initStudent(students[1], 67, "Petr", new uint8_t[marksCount]{ 10,8,12 });
    initStudent(students[2], 33, "Ignat", new uint8_t[marksCount]{ 11,11,6 });

    for (int i{ 0 }; i < studentsCount; ++i)
    {
        printStudent(students[i],true);
        std::cout << '\n';
    }

    return 0;
}