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];
		for (int i = 0; i < n; i++) {
		    arr[i] = sc.nextInt();
		}
		Arrays.sort(arr);
		long[] sums = new long[n];
		sums[0] = arr[0];
		for (int i = 1; i < n; i++) {
		    sums[i] = sums[i - 1] + arr[i];
		}
		long max = Long.MIN_VALUE;
		for (int i = 1; i <= (n - 1) / 2; i++) {
		    long value = sums[i - 1] + sums[n - 1] - sums[n - i - 1] - (long)arr[i] * i * 2;
		    max = Math.max(max, value);
		}
		System.out.println(max);
	}
}