Assignment-3/program6.cpp at main · nirmitarora01/Assignment-3 · GitHub

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#include <iostream>
using namespace std;

int main()
{
    cout << "Enter your marks: ";
    int marks;
    cin >> marks;

    if (marks >= 0 && marks <= 100)
    {
        if (marks >= 90)
        {
            cout << "Your grade is A+" << endl;
        }
        else if (marks >= 80)
        {
            cout << "Your grade is A" << endl;
        }
        else if (marks >= 70)
        {
            cout << "Your grade is B+" << endl;
        }
        else if (marks >= 60)
        {
            cout << "Your grade is B" << endl;
        }
        else if (marks >= 50)
        {
            cout << "Your grade is C" << endl;
        }
        else if (marks >= 40)
        {
            cout << "Your grade is D" << endl;
        }
        else if (marks >= 30)
        {
            cout << "Your grade is E" << endl;
        }
        else
        {
            cout << "Your grade is F" << endl;
        }
    }
    else
    {
        cout << "Please enter valid marks." << endl;
    }

    return 0;
}