#include <bits/stdc++.h>   using namespace std;   const int N = 1e5 + 5;   int a[N];   int main() {     int i, j, k = 0, n;     cin >> n;     long long s = 0, t;     for (i = 1; i <= n; i++) {       cin >> a[i];       s += a[i];     }     if (s % 2 == 1) {       cout <<  0 n ;       return 0;     }     t = 0;     for (i = 1; i < n; i++) {       s -= a[i];       t += a[i];       if (s == t) k++;     }     cout << k << endl;   }   