C Program for Calculating grades of “N” students from 3 tests

Calculating grades of “N” students from 3 tests.
Sample data: No of students : 3
Enter 3 scores for student1: 67 56 43
Enter 3 scores for student2: 56 78 89
Enter 3 scores for student3: 87 54 75
S.No. score1 score2 score3 Ave Grade
----------------------------------------------------------------------------------
1. 67 56 43 55 C
2. 56 78 89 74 B
3. 87 54 75 72 B
-----------------------------------------------------------------------------------*/
#include
#include
void main()
{
int n,m1[100],m2[100],m3[100],i;
float avg[100];
char grade[100];
clrscr();
printf("Enter the total number of students: ");
scanf("%d",&n);
for(i=0;i {
printf("\nEnter 3 scores of student%d :",i+1);
scanf("%d %d %d",&m1[i],&m2[i],&m3[i]);
}
for(i=0;i {
avg[i]=(m1[i]+m2[i]+m3[i])/3;
if(avg[i]>=75)
grade[i]='A';
else if(avg[i]>=60 && avg[i]<75)
grade[i]='B';
else if(avg[i]>=45 && avg[i]<60)
grade[i]='C';
else
grade[i]='F';
}
printf("S.NO\tscore1\tscore2\tscore3\tavg");
for(i=0;i {
printf("\n%d\t%d\t%d\t%d\t%f\t%c",i+1,m1[i],m2[i],m3[i],avg[i],grade[i]);
}
getch();
}

/* Output
Enter the total number of students: 2

Enter 3 scores of student 1 :63
69
65

Enter 3 scores of student 2 :63
64
61
S.NO score1 score2 score3 avg
1 63 69 65 65.000000 B
2 63 64 61 62.000000 B
*/