C++ program For Calculating University CGPA

#include <iostream>

using namespace std;

class Profile

{

                public :

                                string name;

                                string rollno;

                                void getdata()

                                {

                                                system("color 0a");

                                                cout<<"Welcome to UOG CGPA calculator program designed by :\n";

                                                cout<<"\t\tMuqadas Saleem\n";

            cout<<"Enter your name\n";

                                                cin>> name;

                                                cout<<"Enter your roll no\n";

                                                cin>> rollno;

                                }

               

};

class GPA: public Profile

{

                public :

 void calculate()

{

               

                float gpnt1=0.00,gpnt2=0.00,gpnt3=0.00,gpnt4=0.00,gpnt5=0.00,gpnt6=0.00,gpnt7=0.00,gpnt8=0.00,gpnt9=0.00;

    int a;

    int grade;

    int ch=0,ch1=0,ch2=0,ch3=0,ch4=0,ch5=0,ch6=0,ch7=0,ch8=0,ch9=0;

    system("cls");

    system("color 0a");

    cout<<"How many subjects you have:\n";

    cin>>a;

    system("cls");

    system("color f0");

      

      cout<<"--------------------------------------------------------------------------------\n";

      cout<<"                              SCALE                                             \n";

      cout<<"--------------------------------------------------------------------------------\n";

      cout<<"                                                                                \n";

      cout<<"________________________________________________________________________________\n";

      cout<<"       marks in %age   |      Grade            |    GPA    |  Grade key         \n";

      cout<<"_______________________|_______________________|___________|____________________\n";

      cout<<"        84.5 and above |        A+             |    4.00   |     1 for A+       \n";

      cout<<"                       |                       |           |                    \n";

      cout<<"        79.5 to 84     |        A              |    3.70   |     2 for A        \n";

      cout<<"                       |                       |           |                    \n";

      cout<<"        74.5 to 79     |        B+             |    3.40   |     3 for B+       \n";        

      cout<<"                       |                       |           |                    \n";

      cout<<"        69.5 to 74     |        B              |    3.00   |     4 for B        \n";

      cout<<"                       |                       |           |                    \n";

      cout<<"        64.5 to 69     |        B-             |    2.50   |     5 for B-       \n";

      cout<<"                       |                       |           |                    \n";

      cout<<"        59.5 to 64     |        C+             |    2.00   |     6 for C+       \n";

      cout<<"                       |                       |           |                    \n";

      cout<<"        54.5 to 59     |        C              |    1.50   |     7 for C        \n";

      cout<<"                       |                       |           |                    \n";

      cout<<"        49.5 to 54     |        D              |    1.00   |     8 for D        \n";

      cout<<"                       |                       |           |                    \n";

      cout<<"        49 and below   |        F              |    0.00   |     9 for F        \n";

      cout<<"--------------------------------------------------------------------------------\n";

      cout<<"                                                                                \n";

      cout<<"--------------------------------------------------------------------------------\n";

       cout<<"\n\n\n    NOTE :(use special keys for grading as above in scale)\n\n\n";

       cout<<"please enter only 1 to 9 for grades as above in scale\n\n";

    for(int b=1;b<a+1;b++)

    {

     

     

      cout<<"Enter your Grade key in subject no:"<<b<<"\n";

    

      cin>>grade;

      if(grade==1)

      {

      cout<<"Enter credit hours:\n";

      cin>>ch;

       gpnt1=4.00*ch;

      }

      else    

      if(grade==2)

      {

      cout<<"Enter credit hours:\n";

      cin>>ch1;

       gpnt2=3.70*ch1;

      }

      else    

      if(grade==3)

       {

       cout<<"Enter credit hours:\n";

       cin>>ch2;

        gpnt3=3.40*ch2;

      }

      else    

      if(grade==4)

      {

     cout<<"Enter credit hours:\n";

      cin>>ch3;

      gpnt4=3.00*ch3;

      }

      else    

      if(grade==5)

      {

      cout<<"Enter credit hours:\n";

      cin>>ch4;

       gpnt5=2.50*ch4;

      }

      else    

      if(grade==6)

      {

       cout<<"Enter credit hours:\n";

      cin>>ch5;

       gpnt6=2.00*ch5;

      }

      else    

      if(grade==7)

      {

      cout<<"Enter credit hours:\n";

      cin>>ch6;

       gpnt7=1.50*ch6;

      }

      else    

      if(grade==8)

      {

      cout<<"Enter credit hours:\n";

      cin>>ch7;

      gpnt8=1.00*ch7;

      }

      else    

      if(grade==9)

      {

         cout<<"Enter credit hours:\n";

      cin>>ch8;

       gpnt9=0.00*ch8;

      }

      else

      cout<<"Wrong value";

                      }

                       float tgpnt=gpnt1+gpnt2+gpnt3+gpnt4+gpnt5+gpnt6+gpnt7+gpnt8+gpnt9;

                       int tch=+ch+ch1+ch2+ch3+ch4+ch5+ch6+ch7+ch8+ch9;

                      float cgpa= tgpnt/tch;

                      system("cls");

                      cout<< "dear "<<name;

                       if (cgpa >= 3)

                                        cout << "\nCongratulations, your GPA is "  << cgpa << endl;

                                        else

                                        cout << "\nSorry dude, your GPA is "  << cgpa << endl;

                           cout<<"THE END\n";

    system("pause");

               

}

               

                };

               

int main()

{

               

                GPA obj;

                obj.getdata();

                obj.calculate();

                return 0;

}