#include <bits/stdc++.h>
using namespace std;

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

int main() {
    int n;
    cin >> n;
    
    int sum = 0;
    vector<int> a(n);
    for (int i = 0; i < n; i++) {
        cin >> a.at(i);
        sum += a.at(i);
    }

    vector<int> div = divisor(sum);

    int maxi = 0;
    for (int d: div) {
        int v = sum / d;

        bool ok = true;
        int sum = 0;
        int cnt = 1;
        for (int i = 0; i < n; i++) {
            if (v < sum) {
                ok = false;
                break;
            }
            else if (v == sum) {
                sum = 0;
                cnt++;
            }
            
            sum += a.at(i);
        }
        if (sum != v) ok = false;
        
        if (ok) maxi = max(maxi, cnt);
    }
    cout << maxi << endl;
}