#include<iostream>
#include<cstdio>
#include<cmath>
#include<cstdlib>
#include<algorithm>
#define maxn 101
#define itn int
#define pritnf printf 
using namespace std;
int a[maxn];itn n;int sum=0,ave;int ans=0;
inline void readln(){
	freopen("jfzp.in","r",stdin);
	freopen("jfzp.out","w",stdout);
	scanf("%d",&n);
	for (itn i=1;i<=n;i++){
		scanf("%d",&a[i]);sum+=a[i];
	}
	ave=sum/n;
	for (int i=1;i<=n;i++){
		a[i]-=ave;
	}
}
inline void work(){
	for (int i=1;i<n;i++){
		a[i+1]+=a[i];
		if (a[i]) ans++;
		a[i]=0;
	}
	ans+=a[n];
}
int main(){
	readln();
	work();
	printf("%d",ans);
	fclose(stdin);fclose(stdout);
	return 0;
}