#include <iostream>
#include <string>

using namespace std;

struct DataStudent
{
    string Name;
    int Idnum;
    int *Tests;
    double Average;
    char Grade; // A-F
};

DataStudent *createData(int &size_group, int &number_tests)
{
    if (size_group == 0 )
        size_group = 1;
    DataStudent *group = new DataStudent[size_group];
    for (int i = 0; i < size_group; ++i)
        group[i].Tests = new int[number_tests];
    return group;
}

bool validInput(int number)
{
    if (number < 0)
        return false;
    return true;
}
int main()
{
    int number_students, number_tests;

    do{
        cout << "How many students there are: ";
        cin >> number_students;
        cout << "How many test scores there are to be: ";
        cin >> number_tests;
        if (!validInput(number_students) || !validInput(number_tests))
            cout << "Incorrect input\n";
    } while (!validInput(number_students) && !validInput(number_tests));

    DataStudent *group_of_students = createData(number_students, number_tests);

    return 0;
}