import java.util.Scanner; public class Test { public static void main(String[] args) { Scanner s = new Scanner(System.in); while (s.hasNext()) { int n = s.nextInt(); int[] lengths = new int[n]; int sum = 0; int countsTemp = 0; for (int i = 0; i lengths.length; ++i) { lengths[i] = s.nextInt(); sum += lengths[i]; if (lengths[i] == 0) { countsTemp++; } } if (countsTemp == n) { System.out.println(n-1); continue; } int preSum = 0; int counts = 0; int j = 0; while (j lengths.length) { for (; j lengths.length; ++j) { preSum += lengths[j]; if (preSum == sum - preSum && j != 0 && j != lengths.length - 1) { counts++; ++j; break; } } } System.out.println(counts); } } }