/* Finds the largest and smallest elements in an array */

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

/* We declara the function that will find the largest and smallest values */
void max_min(const int a[], int n, int *max, int *min);

int main(void)
{
  int  i, big, small;
  int* array; /* declare a pointer only */
  int size;

	/* ask user for size of array */
	printf ("How large do you want your array? ");
	scanf ("%d", &size);

	/* allocate the array in the heap */
	array = (int *) calloc (size, sizeof(int));    

  printf("Enter %d integer numbers: ", size);
  for (i = 0; i < size; i++)
    scanf("%d", &array[i]);

  max_min(array, size, &big, &small);

  printf("Largest: %d\n", big);
  printf("Smallest: %d\n", small);

  return 0;
}

void max_min(const int a[], int n, int *max, int *min)
{
  int i;

  /* To begin, we initialize max and min value to the 0-th element in array */
  *max = *min = a[0];

  for (i = 1; i < n; i++) {
    if (a[i] > *max)
      *max = a[i];
    else if (a[i] < *min)
      *min = a[i];
  }
}