import java.util.*;
import java.io.*;
import java.math.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int[] li = new int[n];
        long[] rsw = new long[n];
        long ans = 0;
        for(int i = 0; i < n; i++){
            li[i] = sc.nextInt();
        }
        Arrays.sort(li);
        rsw[0] = li[0];
        for(int i = 1; i < n; i++){
            rsw[i] += li[i]+rsw[i-1];
        }
        int n2 = n/2;
        for(int i = 1; i < n2+1; i++){
            long tmp = rsw[i] + (rsw[n-1]-rsw[n-1-i])-(li[i]*(i*2+1));
            ans = Math.max(ans,tmp);
        }
        for(int i = 0; i < n2+1; i++){
            long tmp = rsw[i] + (rsw[n-1]-rsw[n-1-i]);
            tmp -= (li[i]*((i+1)*2));
            ans = Math.max(ans,tmp);
        }
        System.out.println(ans);
    }
}