#include<stdio.h>
#include<conio.h>
int k=0;
struct stud
{
       int rn;
       char name[30];
       int m1,m2,m3,total;
       float avg;
       char grade,result;
}s[30];
       void main()
{
       int no,roll=101,i;
       clrscr();
       printf("Enter No of Students : ");
       scanf("%d",&no);
       for(i=0;i<no;i++)
       {
            clrscr();
            s[k].rn=roll;
            printf("\nEnter the Student Roll Number : %d ",s[k].rn);
            printf("\nEnter the Student Name :");
            fflush(stdin);
            gets(s[k].name);
            printf("\nEnter the Three Marks : ");
            scanf("%d",&s[k].m1);
            scanf("%d",&s[k].m2);
            scanf("%d",&s[k].m3);
            if(s[k].m1>=35 && s[k].m2>=35 && s[k].m3>=35)
              {
                 s[k].result='P';
              }
            else
             {
                 s[k].result = 'F';
             }
                 s[k].total = s[k].m1+s[k].m2+s[k].m3;
                 printf("The Total is : %d",s[k].total);
                 s[k].avg=s[k].total/3;
                 if(s[k].avg>=60)
                  {
                      if(s[k].result == 'P')
                         {
                              s[k].grade = 'A';
                         }
                        else
                        {
                               s[k].grade = 'N';
                        }
                  }
                 else if(s[k].avg>=50)
                         {
                              if(s[k].result == 'P')
                                {
                                       s[k].grade = 'B';
                                 }
                               else
                                {
                                       s[k].grade = 'N';
                                }
                         }
                 else if(s[k].avg>=35)
                        {
                             if(s[k].result == 'P')
                               {
                                     s[k].grade = 'C';
                               }
                             else
                              {
                                     s[k].grade = 'N';
                              }
                        }
                                      getch();
                                      k++;
                                      roll++;
           }
                       printf("\n*******************************************************");
                       printf("\n                      STUDENT MARKLIST ");
                       printf("\n*******************************************************");
                       printf("\nROLL \tNAME   MARK1 MARK2 MARK3 TOTAL RESULT Average GRADE");
                       for(i=0;i<no;i++)
                           {
                              printf("\n%d\t%s   %d    %d    %d    %d    %c    %0.1f     %c",s[i].rn,s[i].name,s[i].m1,s[i].m2,s[i].m3,s[i].total,s[i].result,s[i].avg,s[i].grade);
                           }
                              getch();
}