#include <bits/stdc++.h>
using namespace std;
//#include <atcoder/all>
//using namespace atcoder;
using ll=long long;
using Graph=vector<vector<int>>;
#define MAX 200003
#define MOD 1000000007
#define INF 1000000000

int main(){
  int N;
  cin>>N;
  vector<ll> a(N);
  for(int i=0;i<N;i++){
    cin>>a[i];
  }
  sort(a.begin(),a.end());

  vector<ll> sum(N+1,0);
  for(int i=0;i<N;i++){
    sum[i+1]=sum[i]+a[i];
  }

  ll ans=0;
  for(int i=1;i<=N/2;i++){
    ans=max<ll>(ans,sum[N]-sum[N-i]+sum[i]-(ll)i*(a[i-1]+a[N-i]));
    if(i+1<=N-i){
      ans=max<ll>(ans,sum[N]-sum[N-i]+sum[i]-(ll)i*2*a[i]);
    }
  }
  cout<<ans<<endl;
}