#include<bits/stdc++.h>
using namespace std;
int n,a[110],sum,p,ans;
int main(){
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>a[i];
		sum+=a[i];
	}
	p=sum/n;
	for(int i=1;i<=n;i++){
		if(a[i]<p){
			a[i+1]-=(p-a[i]);
			a[i]+=(p-a[i]);
			ans++;
		}
		if(a[i]>p){
			a[i+1]+=(a[i]-p);
			a[i]-=(a[i]-p);
			ans++;
		}
	}
	cout<<ans;
	return 0;
}