/* Function to reverse the elements of an array.  */

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


/* Your mission is to implement the reverse function 
 * in the function declaration below.   */

void reverse(int nums[], int n) {
  /* BEGIN ANSWER */

  // ADD YOUR CODE HERE

  /* END ANSWER */
}


/* DO NOT ALTER THE 'main' PROGRAM */

int main(void) {
  int numbers[100];
  int count=0;
  int newval = 1, i;
  
  printf("Enter a list of (at most 100) positive integers.\n");
  printf("Use a 0 or a negative int ");
  printf("to indicate you are finished.\n");
  while ((count < 100) && (newval >0)) {  
    scanf("%d", &newval);
    if (newval>0) {
      numbers[count] = newval;
      count++;
    }
  }
  if (count == 0) 
    printf("\nNo positive numbers entered.\n");
  else {
    reverse(numbers, count);
    printf("\nYour list has been reversed.  It is now: \n");
    for (i=0; i < count; i++)
      printf("%d ", numbers[i]);
    }
  printf("\n");
  return EXIT_SUCCESS;
}