تحديات برمجيةالتحدي الثالث - حل التمرين الخامس بلغة C++

#include <iostream>
#include <string>

int main() {

    std::string methods[] = { "Arabic", "English", "Science", "Math" };
    int methodsLength = sizeof(methods) / sizeof(methods[0]);

    double notes[5];
    double avg = 0;

    for (int i = 0; i < methodsLength; i++)
    {
        do
        {
            std::cout << "Enter " << methods[i] << " note: ";
            std::cin >> notes[i];
        } while (notes[i] < 0 || notes[i] > 20);
    }

    for (int i = 0; i < methodsLength; i++)
    {
        avg += notes[i];
    }

    avg /= methodsLength;

    std::cout << "\nAverage = " << avg; 
    
    if (avg >= 10)
    {
        std::cout << " [ Succeded ]";
    }
    else
    {
        std::cout << " [ Failed ]";
    }

    char end; std::cin >> end;
    return 0;

}