#include <stdio.h>

double calcAverage(int grades[], int numGrades);

int main()
{
   const int MAX_STUDENTS = 100;
   const int PASS_LEVEL = 70;
   int grades[] = {42, 11, 100, 93, 70};
   int numGrades = 5;

   printf("the number of grades is %d\n", numGrades);

   for (int i = 0; i < numGrades; i++) {
      printf("%d - %d\n", i, grades[i]);

      if (grades[i] >= PASS_LEVEL)
         printf("Passing!\n", grades[i]);
      else
         printf("youare a loser!\n");
      
   }
      
   double average = calcAverage(grades, numGrades);
   printf ("the average is %f\n", average);
   
   printf("Hello World!! \n");
   printf("next line\n");

   return 0;
}

double calcAverage(int grades[], int numGrades)
{
   int total = 0;
   
   for (int i = 0; i < numGrades; i++)
      total = total + grades[i];

   return total / (float) numGrades;
}