// // Created by yamunaku on 2020/01/17. // #include using namespace std; #define rep(i, n) for(int i = 0; i < (n); i++) #define repl(i, l, r) for(int i = (l); i < (r); i++) #define per(i, n) for(int i = ((n)-1); i >= 0; i--) #define perl(i, l, r) for(int i = ((r)-1); i >= (l); i--) #define all(x) (x).begin(),(x).end() #define MOD9 998244353 #define MOD1 1000000007 #define IINF 1000000000 #define LINF 1000000000000000000 #define SP <<" "<< #define CYES cout<<"Yes"<; using mti = vector>; using vl = vector; using mtl = vector>; using pi = pair; using pl = pair; template using heap = priority_queue, function>; int main(){ // CFS; ll n; cin >> n; vi a(n); rep(i, n){ cin >> a[i]; } sort(all(a)); ll ans = 0; ll x = a[0], y = 0; rep(i, (n - 1) / 2){ x += a[i + 1], y += a[n - 1 - i]; ans = max(ans, x + y - (2 * i + 3) * a[i + 1]); } cout << ans << endl; return 0; }