#include <bits/stdc++.h> using namespace std ; int a [105] ; int sum , cnt , n ; signed main( ) { cin >> n ; for ( int i = 1 ; i <= n ; i ++ ) { cin >> a [i] ; sum += a[i] ; } sum /= n ; for( int i = 1 ; i <= n ; i ++ ) { if ( a [i] - sum ) { a [i + 1] += a [i] - sum ; cnt ++ ; } } cout << cnt << endl ; return 0 ; }