#include <bits/stdc++.h>
using namespace std;
int n,a[10005];
int main(){
	cin>>n;
	int sum=0;
	for(int i=0;i<n;i++){
		cin>>a[i];
		sum+=a[i];
	}
	int ans=sum/n;
	int bb=0;
	for(int i=0;i<n;i++){
		if(a[i]>ans){
			int t=a[i]-ans;
			a[i]-ans;
			a[i+1]+=t;
			bb++;
		}
	}
	cout<<bb<<endl;
	return 0;
}
可不可以这样纸
求调