include <bits/stdc++.h>

using namespace std;

int a[105];

int main()
{

int n, sum = 0, cnt=0;
cin >> n;
for (int i = 1; i <= n; i++)
{
	cin >> a[i];
	sum += a[i];
} 
sum /= n;  
for (int i = 1; i <= n; i++) 
{
	a[i] -= sum; 
} 
for (int i = 1; i <= n; i++)
{
	if (a[i] != 0)
	{
		a[i + 1] += a[i]; 
		cnt++;
	}
}
cout << cnt << endl;  
return 0;

}