// sum_arr1.c -- sums the elements of an array
#include <stdio.h>
#define SIZE 10

int sum(int ar[], int n);

int main(void)
{
	int marbles[SIZE] = {20, 10, 5, 39, 4, 16, 19, 26, 31, 20};
	long answer;
	
	answer = sum(marbles, SIZE);
	printf("The total sum of marbles is %ld.\n", answer);
	printf("The size of marbles is %zd bytes.\n",
	       sizeof marbles);
	
	return 0;
}

int sum(int ar[], int n)
{
	int i;
	int total = 0;
	
	for (i = 0; i < n; i++)
		total += ar[i];
	printf("The size of ar is %zd bytes.\n",
	       sizeof ar);
	
	return total;
}