#include <stdio.h>

#define   CLASS_SIZE   5

int main(void)
{
   int   i, j, score[CLASS_SIZE], sum = 0, tmp;

   printf("Input %d scores:  ", CLASS_SIZE);
   for (i = 0; i < CLASS_SIZE; ++i) {
      scanf("%d", &score[i]);
      sum += score[i];
   }
   for (i = 0; i < CLASS_SIZE - 1; ++i)       /* bubble sort */
      for (j = CLASS_SIZE - 1; j > i; --j)
         if (score[j-1] < score[j]) {     /* check the order */
            tmp = score[j-1];
            score[j-1] = score[j];
            score[j] = tmp;
         }
   printf("\nOrdered scores:\n\n");
   for (i = 0; i < CLASS_SIZE; ++i)
      printf("   score[%d] =%5d\n", i, score[i]);
   printf("\n%18d%s\n%18.1f%s\n\n",
      sum, " is the sum of all the scores",
      (double) sum / CLASS_SIZE, " is the class average");
   return 0;
}