Programalama > C++

include <iostream.h>
#include <stdlib.h>
class course
{
 public:
        void course_inf();
        void student_inf();
        void result();

 private:
        int i,n,c,x,kr,credi[20],mark1[100][20],mark2[100][20];
        char code[20][20],name[100][20];
        int tot1[20],totcredit;
        float avg[20],avg1[20],tot[20],endavg[100];
        float tavg[100];
 };

 void course::course_inf()
 {
  cout<<"Enter the number of student: ";
  cin>>n;
  cout<<"Enter the number of lecture: ";
  cin>>x;
  cout<<endl;
  cout<<"Name of the lecture name"<<endl;
  cout<<"------------------------"<<endl;
  for(i=1;i<=x;i++)
  {
   cout<<i<<".lecture       : "; cin>>code[i];
   cout<<i<<".lecture credi : "; cin>>credi[i];
  }
   cout<<endl;
 }

void course::student_inf()
{
  cout<<"Enter the list of student and lectures mark"<<endl;
  cout<<"-------------------------------------------"<<endl;
  cout<<endl;
  for(i=1;i<=n;i++)
  {
   cout<<"Name of student: "; cin>>name[i];
   cout<<endl;
   for(c=1;c<=x;c++)
   {
    cout<<code[c]<<" "<<"midterm exam: "; cin>>mark1[i][c];
    cout<<code[c]<<" "<<"final exam  : "; cin>>mark2[i][c];
   }

   cout<<endl;
  }
}

void course::result()
{
  int fquit=false;
  int choose;
  while(!fquit)
    {
     cout<<" --------------------------------------------------------------- "<<endl;
     cout<<" -                        MENU                                              -"<<endl;
     cout<<" --------------------------------------------------------------- "<<endl;
     cout<<" - [1] Enter the information of courses & students     - "<<endl;
     cout<<" - [2] Average of each lectures                                   - "<<endl;
     cout<<" - [3] Name of student from each lecture pass and not -"<<endl;
     cout<<" - [4] Average of each student                                      - "<<endl;
     cout<<" - [5] For new enter value                                             - "<<endl;
     cout<<" - [6] Exit                                                                      -" <<endl;
     cout<<" ----------------------------------------------------------------"<<endl;
     cout<<" Choose one of them: ";
 
 cin>>choose;

   switch(choose)
   {
    case 1:
           course::course_inf();
           course::student_inf();
           break;

    case 2:
           for(c=1;c<=x;c++)
           {
            tot1[c]=0; avg1[c]=0;
            tot[c]=0;
           }
           for(c=1;c<=x;c++)
           {
            for(i=1;i<=n;i++)
            {
            tot1[c]=mark1[i][c]+mark2[i][c];
            avg1[c]=tot1[c]/2;
            tot[c]+=avg1[c];
            }
           }
         

          for(c=1;c<=x;c++)
           {
            avg[c]=tot[c]/n;
           }
           for(c=1;c<=x;c++)
           {
           cout<<"Average of "<<code[c]<<": "<<avg[c]<<endl;
           }
           break;

   case 3:
           for(c=1;c<=x;c++)
           {
            for(i=1;i<=n;i++)
            {

             tot1[c]=mark1[i][c]+mark2[i][c];
             avg[c]=tot1[c]/2;

            if(avg[c]<50)
                cout<<name[i]<<" didn't pass from "<<code[c]<<" FF"<<endl;
            else if(avg[c]>=50 && avg[c]<=59)
                cout<<name[i]<<" didn't pass from "<<code[c]<<" FD"<<endl;
            else if(avg[c]>=60 && avg[c]<=64)
                cout<<name[i]<<" passed from "<<code[c]<<" DD"<<endl;
            else if(avg[c]>=65 && avg[c]<=69)
                cout<<name[i]<<" passed from "<<code[c]<<" DC"<<endl;
            else if(avg[c]>=70 && avg[c]<=74)
                cout<<name[i]<<" passed from "<<code[c]<<" CC"<<endl;
            else if(avg[c]>=75 && avg[c]<=79)
                cout<<name[i]<<" passed from "<<code[c]<<" CB"<<endl;
            else if(avg[c]>=80 && avg[c]<=84)
                cout<<name[i]<<" passed from "<<code[c]<<" BB"<<endl;
            else if(avg[c]>=85 && avg[c]<=89)
                cout<<name[i]<<" passed from "<<code[c]<<" BA"<<endl;
            else if(avg[c]>=90)
                cout<<name[i]<<" passed from "<<code[c]<<" AA"<<endl;
           }
          }
          break;

   case 4:
           totcredit=0;
           for(i=1;i<=n;i++)
           {
            tavg[i]=0; endavg[i]=0;
           }
           for(i=1;i<=n;i++)
           {
            for(c=1;c<=x;c++)
            {
             tot1[c]=mark1[i][c]+mark2[i][c];
             avg[c]=tot1[c]/2;
             tavg[i]+=((avg[c])*credi[c]);
            }
           }
          for(c=1;c<=x;c++)
          {
           totcredit+=credi[c];
          }
          for(i=1;i<=n;i++)
          {
           endavg[i]=tavg[i]/(totcredit);
           cout<<name[i]<<"'s average is: "<<endavg[i]<<endl
          }
          break;

   case 5:
          course::course_inf();
          course::student_inf();
          course::result();
          break;

   case 6:
          fquit=true;
          break;

   default:            cout<<"- !!! WRONG CHOICE !!! -"<<endl;
   }
 }
}

 void main()
 {
  course student;
  student.result();
 }