#include<iostream>
#include<string.h>
using namespace std;
//#include<conio.h>
int tot=0,j;
float avg;
class student
{
 int rollno,subjects;
 char stud_name[20];
 int *marks;
  public:
   student(int rno,char *name,int sub)
    {
     rollno=rno;
     strcpy(stud_name,name);
     subjects=sub;
     marks=new int[subjects];
    }
 void getdata();
 void grade();
 void putdata();
};
void student::getdata()
 {
  for(int i=0;i<subjects;i++)
   {
    cout<<"\n Enter mark for subject "<<i+1<<" : ";
    cin>>marks[i];
    tot+=marks[i];
   }
  avg=tot/subjects;
 }
void student::grade()
{
    if(avg>=91 && avg<=100)
        cout<<"\n Grade is : 'A+'";
    else if(avg>=81 && avg<=90)
        cout<<"\n Grade is : 'A'";
    else if(avg>=71 && avg<=80)
        cout<<"\n Grade is : 'B'";
    else if(avg>=51 && avg<=70)
        cout<<"\n Grade is : 'C'";
    else
        cout<<"\n Grade is : 'D'";
}
void student::putdata()
 {
  cout<<"\n       Student Information.";
  cout<<"\n---------------------------------";
  cout<<"\n Student Rollno : "<<rollno;
  cout<<"\n Student Name  : "<<stud_name;
   for(int i=0;i<subjects;i++)
    {
     cout<<"\n Marks of Subject "<<i+1<<" : "<<marks[i];
    }
  cout<<"\n\n Total   : "<<tot;
  cout<<"\n Average : "<<avg;
 }

int main()
{
int rollno,subjects;
char stud_name[20];
int cnt,i;
//clrscr();
cout<<"\n---------------------------------";
cout<<"\n       Student Mark List";
cout<<"\n---------------------------------";
cout<<"\n Enter the no.of students you want? : ";
cin>>cnt;
for(i=0;i<cnt;i++)
{
cout<<"\n---------------------------------";
cout<<"\n Enter the Student Rollno : ";
cin>>rollno;
cout<<"\n Enter the Student Name   : ";
cin>>stud_name;
cout<<"\n Enter the no.of Subjects : ";
cin>>subjects;
cout<<"\n---------------------------------";
student stu(rollno,stud_name,subjects);
stu.getdata();
cout<<"\n---------------------------------";
stu.putdata();
stu.grade();
cout<<"\n---------------------------------";
}
//getch();
return(0);
}