Exercise no. 8

Exercise # 8:

#include
#include


void main()
{
clrscr();
float sum,grade,average;
int a=0;
gotoxy(17,3);textcolor(WHITE);cprintf("E X E R C I S E # 8/ G R A D I N G S Y S T E M\n");
while(grade!=-1)
{sum=sum+grade;
printf("\nEnter grade;-1 to exit:");
scanf("%f",&grade);

if(grade==-1)
{printf("\nAverage is %.2f\n",average=sum/a);}
a++;
}
if(average>=95 && average<=100.00){
printf("\n\nRated of this average: A");}
else if(average>=90 && average<=94.99){
printf("\n\nRated of this average: B");}
else if(average>=85 && average<=89.99){
printf("\n\nRated of this average: C");}
else if(average>=80 && average<=84.99){
printf("\n\nRated of this average: D");}
else if(average>=75 && average<=79.99){
printf("\n\nRated of this average: E");}
else if(average<74){
printf("\n\nS O R R Y!!! Y O U F A I L E D ! ! !");
}
getch();
}
OUTPUT: