cppIfElseIfGradeDemo

#include <iostream>

int main()
{
    const int minGrade{ 1 };
    const int maxGrade{ 5 };
    int grade{0};

    std::cout << "Enter your grade: \n";
    std::cin >> grade;

    //if (grade >= minGrade and grade <= maxGrade)
    //{
    //  std::cout << "grade validated!\n";
    //}
    //else
    //{
    //  std::cout << "Invalid grade!\n";
    //}

    if (grade < minGrade or grade > maxGrade)
    {
        std::cout << "Invalid grade!\n";
    }
    else
    {
        std::cout << "grade validated!\n";

        std::cout << "your grade is ";

        if (grade == 5)
        {
            std::cout << 'A';
        }
        else if (grade == 4)
        {
            std::cout << 'B';
        }
        else if (grade == 3)
        {
            std::cout << 'C';
        }
        else if (grade == 2)
        {
            std::cout << 'D';
        }
        else
        {
            std::cout << 'E';
        }

        std::cout << '\n';
    }

    return 0;
}