#include <bits/stdc++.h>
#include <string>
#define ft first
#define sc second
#define pt(sth) cout << sth << "\n"
#define chmax(a, b) (a)=max(a, b)
#define chmin(a, b) (a)=min(a, b)
#define moC(a, s, b) (a)=((a)s(b)+MOD)%MOD
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
static const ll INF=1e18;
static const ll MAX=101010;
static const ll MOD=1e9+7;


/*
 for(i=0; i<N; i++)
   cin >> a[i];
*/


ll moP(ll x, ll n) {
  ll res=1;
  while(n>0) {
    if(n&1) moC(res, *, x);
    moC(x, *, x);
    n>>=1;
  }
  return res;
}

int main(void) {
  ll i, j, k;
  
  ll N;
  cin >> N;
  ll a[MAX*2];
  ll s[MAX*2]={};
  
  for(i=1; i<=N; i++) cin >> a[i];
  sort(a+1, a+N+1);
  for(i=1; i<=N; i++) s[i]=s[i-1]+a[i];
  
  ll ans=0;
  for(ll m=1; m<=N/2; m++) {
    ll t=(s[N]-s[N-(m-1)])+s[m-1]-a[m]*(m-1)*2;
    chmax(ans, t);
  }
  
  pt(ans);
  
}