#include <stdio.h>


void swap(int * xp, int * yp){
  int tmp = *xp;
  *xp = *yp;
  *yp = tmp;
}




int sumArray(int * a, int length){
  int sum = 0;

  for (int i = 0; i < length; i++){
	sum += a[i];
  }

  printf("The sum is %d\n", sum);

  return sum;
}