88: Using switch statement Write a C program to input marks of five subjects Physics, Chemistry, Biology, Mathematics and Computer. Calculate percentage and grade according to following: // Percentage >= 90% : Grade A Percentage >= 80% : Grade B Percentage >= 70% : Grade C Percentage >= 60% : Grade D Percentage >= 40% : Grade E Percentage < 40% : Grade F

 

// Using switch statement Write a C program to input marks of five subjects Physics, Chemistry, Biology, Mathematics and Computer.
//     Calculate percentage and grade according to following:
//     Percentage >= 90% : Grade A
//     Percentage >= 80% : Grade B
//     Percentage >= 70% : Grade C
//     Percentage >= 60% : Grade D
//     Percentage >= 40% : Grade E
//     Percentage < 40% : Grade F

#include <iostream>
using namespace std;
int main()
{
    float phy_g, phy_t, chem_g, chem_t, bio_g, bio_t, math_g, math_t, comp_g, comp_t, per;

    cout << "Enter your Physics marks: ";
    cin >> phy_g;
    cout << "Out of: ";
    cin >> phy_t;

    cout << "Enter your Chemistry marks: ";
    cin >> chem_g;
    cout << "Out of: ";
    cin >> chem_t;

    cout << "Enter your Biology marks: ";
    cin >> bio_g;
    cout << "Out of: ";
    cin >> bio_t;

    cout << "Enter your Math marks: ";
    cin >> math_g;
    cout << "Out of: ";
    cin >> math_t;

    cout << "Enter your Computer marks: ";
    cin >> comp_g;
    cout << "Out of: ";
    cin >> comp_t;

    per = (phy_g + chem_g + bio_g + math_g + comp_g) / (phy_t + chem_t + bio_t + math_t + comp_t) * 100;

    switch (per >= 90)
    {
    case 1:
        cout << "You got Grade A";
        break;
    case 0:
        switch (per >= 80)
        {
        case 1:
            cout << "You got Grade B";
            break;

        case 0:
            switch (per >= 70)
            {
            case 1:
                cout << "You got Grade C";
                break;

            case 0:
                switch (per >= 60)
                {
                case 1:
                    cout << "You got Grade D";
                    break;

                case 0:
                    switch (per >= 40)
                    {
                    case 1:
                        cout << "You got Grade E";
                        break;

                    case 0:
                        cout << "You got Grade F";
                        break;
                    }
                    break;
                }
                break;
            }
            break;
        }
        break;

    default:
        cout << "Invalid Input";
        break;
    }

    return 0;
}


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