import java.util.*;

public class Main {
    public static void main(String[]  args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int[] arr = new int[n];
        long total = 0;
        for (int i = 0; i < n; i++) {
            arr[i] = sc.nextInt();
            total += arr[i];
        }
        Arrays.sort(arr);
        if (n == 1) {
            System.out.println(0);
            return;
        } else if (n == 2) {
            System.out.println(arr[1] - arr[0]);
            return;
        } else if (n == 3) {
            System.out.println(total - arr[1] * 3L);
            return;
        }
        long max = 0;
        int left = 0;
        int right = n - 1;
        long value = 0;
        while (left < right) {
            value += arr[left] + arr[right];
            long count = (left + 1) * 2;
            max = Math.max(max, value - arr[left + 1] * count);
            left++; 
            right--;
        }
        left = 0;
        right = n - 1;
        value = 0;
        while (left + 1 < right) {
            value += arr[left] + arr[right];
            long count = left + 1;
            max = Math.max(max, value - (arr[left + 1] + arr[left + 2]) * count);
            left++;
            right--;
        }
        System.out.println(max);
    }
}