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

int main() {
	int n;
	cin >> n;
	long long avg = 0;
	vector<int> k(n + 1);
	for (int i = 0; i < n; i++) {
		cin >> k[i];
		avg += k[i];
	}

	avg /= n;
	int ans = 0;
	for (int i = 0; i < n; i++) {
		if (k[i] != avg) ans++;
		k[i + 1] += k[i] - avg;
	}

	cout << ans;
}