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


public class Main_yukicoder837 {

	private static Scanner sc;
	private static Printer pr;

	private static void solve() {
		int n = sc.nextInt();

		y = new int[n];
		for (int i = 0; i < n; i++) {
			y[i] = sc.nextInt();
		}
		Arrays.sort(y);
		if (y[0] == y[n - 1]) {
			pr.println(1);
			return;
		}
		
		cumsum = new long[n + 1];
		for (int i = 0; i < n; i++) {
			cumsum[i + 1] = cumsum[i] + y[i];
		}
		
		long ans = Long.MAX_VALUE;
		for (int i = 1; i < n; i++) {
			ans = Math.min(ans, f(0, i) + f(i, n));
		}

		pr.println(ans);
	}
	
	private static long[] cumsum;
	private static int[] y;

	private static long f(int i, int j) {
		int n = j - i;

		int mid = i + (n - 1) / 2;
		
		long tmp1 = cumsum[j] - cumsum[mid + 1];
		long tmp2 = cumsum[mid + 1] - cumsum[i];
		long tmp = tmp1 - tmp2;
		if (n % 2 == 1) {
			tmp += y[mid];
		}
		
		return tmp;
	}

	// ---------------------------------------------------
	public static void main(String[] args) {
		sc = new Scanner(System.in);
		pr = new Printer(System.out);
			
		solve();
			
		pr.close();
		sc.close();
	}

	static class Printer extends PrintWriter {
		Printer(OutputStream out) {
			super(out);
		}
	}
}