#include <bits/stdc++.h>

using namespace std;

int main(){
    int n, x = 0;
    long long b = 0, c = 0;
    cin >> n;
    vector<long long> a(n);
    for(int i = 0; i < n; i++){
        int h;
        cin >> h;
        b += h;
        a[i] = b;
    }
    c = b / n;
    for(int i = 0; i < n; i++){
        if(a[i] != c*(i+1)){
            x++;
        }
    }
    cout << x << endl;
}