#include <bits/stdc++.h>
using namespace std;

#define int long long
#define rep(i,l,r) for(int i=(int)(l);i<(int)(r);i++)
#define all(x) (x).begin(),(x).end()
#define sz(x) ((int)x.size())
template<class T>bool chmax(T &a,T b){if(a<b){a=b;return 1;}return 0;}
template<class T>bool chmin(T &a,T b){if(a>b){a=b;return 1;}return 0;}

/*
 */

using vi = vector<int>;
using vvi = vector<vi>;
using P = pair<int,int>;


signed main() {
  int n;
  cin >> n;

  vi a(n);
  rep(i, 0, n) cin >> a[i];

  sort(all(a));
  int ans = 0, sum = 0;
  rep(i, 0, n/2){
    sum += a[i] + a[n-1-i];
    chmax(ans, sum-2*(i+1)*a[i+1]);
  }

  cout << ans << endl;

  return 0;
}