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