In the language C ... code for the sample output: Enter the midterm1 grade: -1 I

Question

In the language C ... code for the sample output:

Enter the midterm1 grade: -1

Invalid grade enter the grade again: 222

Invalid grade enter the grade again: 0

Enter the midterm2 grade: -3

Invalid grade enter the grade again: 88

Enter the final grade: 45

Highest grade for the student is 88 in midterm2

Lowest grade for the student is 0 in midterm 1

Students total is 44.33 and overall grade in the course is F

Do you want to continue (enter 1 to continue and 0 to exit): 0 ***mainly need help on this part***

Explanation / Answer

#include <stdio.h>

char getGrade(double avg){
if(avg >= 90){
return 'A';
}
else if(avg >= 80 && avg < 90){
return 'B';
}
else if(avg >= 70 && avg < 80){
return 'C';
}
else if(avg >= 60 && avg < 70){
return 'D';
}
else if(avg >= 50 && avg < 60){
return 'E';
}
else{
return 'F';
}
}

double getAverage(int g1, int g2, int g3){
return (g1 + g2 + g3) / 3.0;
}

int main(){
   int g1, g2, final;
   int max, min;
   double avg;
   int option;
   do{
       printf("Enter the midterm1 grade: ");
       scanf("%d", &g1);
       while(g1 < 0 || g1 > 100){
           printf("Invalid grade enter the grade again: ");
           scanf("%d", &g1);
       }
       printf("Enter the midterm1 grade: ");
       scanf("%d", &g2);
       while(g2 < 0 || g2 > 100){
           printf("Invalid grade enter the grade again: ");
           scanf("%d", &g2);
       }
       printf("Enter the Final grade: ");
       scanf("%d", &final);
       while(final < 0 || final > 100){
           printf("Invalid grade enter the grade again: ");
           scanf("%d", &final);
       }
       double avg = getAverage(g1, g2, final);
       char grade = getGrade(avg);
       printf("Student Average is %.2lf and overall grade in the course is %c ", avg, grade);
       printf("Do you want to continue (enter 1 to continue and 0 to exit): ");
       scanf("%d", &option);
   }while(option == 1);
   return 0;
}

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