#include<bits/stdc++.h> using namespace std; int n,a[101],mid,pai,zhi; int main(){ scanf("%d",&n); for(int i=1;i<=n;i++) { scanf("%d",&a[i]); pai+=a[i]; } pai/=n; for(int i=1;i<=n;i++)if(a[i]-pai) a[i+1]+=a[i]-pai,zhi++; printf("%d",zhi); return 0; }