C :

#include <stdio.h>
#include <math.h>

int main()
{
	int i, j;
	int n;
	int a[1000];
	int f[100000];
	int sum;
	int min;

	scanf("%d", &n);
	while (n > 0)
	{
		sum = 0;
		for (i = 0; i < n; i++)
		{
			scanf("%d", &a[i]);
			sum += a[i];
		}

		f[0] = 1;
		for (j = 1; j < sum; j++)
			f[j] = 0;
		for (i = 0; i < n; i++)
			for (j = sum; j >= a[i]; j--)
				if (f[j - a[i]])
					f[j] = 1;

		min = 100000;
		for (j = 1; j < sum; j++)
			if (f[j])
				if (abs(j - (sum - j)) < min)
					min = abs(j - (sum - j));

		printf("%d\n", min);

		scanf("%d", &n);
	}

	return 1;
}