#include <bits/stdc++.h>
using namespace std;
using ll=long long;
const ll INF=1001001001;
const ll LINF=1001001001001001001;
#define overload4(_1,_2,_3,_4,name,...) name
#define rep1(n) for(ll i=0;i<(n);++i)
#define rep2(i,n) for(ll i=0;i<(n);++i)
#define rep3(i,a,b) for(ll i=(a);i<(b);++i)
#define rep4(i,a,b,c) for(ll i=(a);i<(b);i+=(c))
#define rep(...) overload4(__VA_ARGS__,rep4,rep3,rep2,rep1)(__VA_ARGS__)
#define all(x) (x).begin(),(x).end()
#define vec vector<ll>
template<class T>bool chmax(T &a,const T &b){if(a<b){a=b;return 1;}return 0;}
template<class T>bool chmin(T &a,const T &b){if(b<a){a=b;return 1;}return 0;}

void solve(){
    ll n;cin>>n;
    vec a(n);
    rep(i,n)cin>>a[i];

    if(n<=2){
        cout<<0<<endl;
        return;
    }

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

int main(){
    cin.tie(0);
    ios::sync_with_stdio(0);
    solve();
}