#include <stdio.h>
#include <stdlib.h>

int main()
{
   int *valptr;
   int sum;

   valptr = (int *) malloc (100 * sizeof(int));

   for (int i = 0; i < 100; i++) {
      sum += *(valptr+i);
   }

   printf("Initial Sum: %d\n", sum);

   sum = 0;

   for (int i = 0; i < 100; i++) {
      *(valptr+i) = 5;
      sum += *(valptr+i);
   }

   printf("Sum: %d\n", sum);

   return 0;
}