// kovek.cpp : This file contains the 'main' function. Program execution begins and ends there.
//

#include <iostream>
#include <queue>

#define ll long long
using namespace std;


ll n, i, a, ossz = 0;
int main()
{
    vector<ll>x(n+1,0);
    cin >> n;
    for (i = 1; i <= n; ++i)
    {
        cin >> a;
        x[i] += x[i - 1] + a;
    }
    a = x[n] / n;
    for (i = 1; i <=n; ++i)
        if (x[i] != a * (i + 1))ossz++;
    cout << ossz;
    return 0;
}

// Run program: Ctrl + F5 or Debug > Start Without Debugging menu
// Debug program: F5 or Debug > Start Debugging menu

// Tips for Getting Started: 
//   1. Use the Solution Explorer window to add/manage files
//   2. Use the Team Explorer window to connect to source control
//   3. Use the Output window to see build output and other messages
//   4. Use the Error List window to view errors
//   5. Go to Project > Add New Item to create new code files, or Project > Add Existing Item to add existing code files to the project
//   6. In the future, to open this project again, go to File > Open > Project and select the .sln file