int n,a[110]={0},s=0,ans=0;

int main()

{

scanf("%d",&n);

for(int i=1;i<=n;i++) { scanf("%d",&a[i]); s+=a[i]; }

int f=s/n;

for(int i=1;i<=n;i++)

if(a[i]!=f) { a[i+1]+=a[i]-f; ans++; }

printf("%d",ans);

}