#include <bits/stdc++.h>

using namespace std;

#define REP(i,n) for(int i=0; i<(int)(n); i++)

vector<long long> divisor(long long n) {
  vector<long long> ret;
  for (long long i = 1; i * i <= n; i++) {
    if (n % i == 0) {
      ret.push_back(i);
      if (i != n / i)
        ret.push_back(n / i);
    }
  }
  return ret;
}

int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);

  int n;
  cin >> n;
  vector<int> a(n);
  REP (i, n) cin >> a[i];

  int sum = 0;
  REP (i, n) sum += a[i];
  
  vector<long long> ds = divisor(sum);
  int ret = 0;
  for (int d: ds) {
    int cnt = 0;
    int acc = 0;
    REP (i, n) {
      acc += a[i];
      if (acc > d) {
        cnt = 0;
        break;
      } else if (acc == d) {
        cnt++;
        acc = 0;
      }
    }
    ret = max(ret, cnt);
  }
  cout << ret << endl;
  return 0;
}