import std.stdio, std.conv, std.functional, std.string;
import std.algorithm, std.array, std.container, std.range, std.typecons;
import std.numeric, std.math, std.random;
import core.bitop;

string FMT_F = "%.10f";

static string[] s_rd;
T RD(T = long)() { while(!s_rd.length) s_rd = readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; }
string RDR()() { return readln.chomp; }
T[] ARR(T = long)(in string str, T fix = 0) { auto r = str.split.to!(T[]); r[] += fix; return r; }
size_t[] MAKE_IDX(alias less = "a < b", Range)(Range range) { auto idx = new size_t[](range.length); makeIndex!(less)(range, idx); return idx;}
size_t MIN_POS(alias less = "a < b", Range)(Range range) { auto r = minPos!(less)(range); return range.length - r.length; }

bool inside(T)(T x, T b, T e) { return x >= b && x < e; }
long lcm(long x, long y) { return x * y / gcd(x, y); }

long mod = 10^^9 + 7;
//long mod = 998244353;
//long mod = 1_000_003;
void moda(ref long x, long y) { x = (x + y) % mod; }
void mods(ref long x, long y) { x = ((x + mod) - (y % mod)) % mod; }
void modm(ref long x, long y) { x = (x * y) % mod; }

void main()
{
	auto N = RD;
	auto Y = RDR.ARR;
	Y.sort();

	auto a = new long[](N+1);
	foreach (i; 0..N-1)
	{
		a[i+1] = (Y[i+1] - Y[i]) * (i+1) + a[i];
	}
	/*auto b = new long[](N+1);
	foreach_reverse (i; 1..N)
	{
		b[i] = (Y[i] - Y[i-1]) * (N-i) + b[i+1];
	}*/
	debug writeln(Y);
	debug writeln(a);

	long ans = long.max;
	foreach (i; 1..N)
	{
		auto mid1   = i / 2;
		auto cost11 = a[mid1];
		auto cost12 = a[i-1] - a[mid1] - (Y[i-1] - Y[mid1]) * mid1;
		auto remain = N - i;
		auto mid2   = N - max(remain / 2, 1);
		auto cost21 = a[mid2] - a[i] - (Y[mid2] - Y[i]) * i;
		auto cost22 = a[N-1] - a[mid2] - (Y[N-1] - Y[mid2]) * mid2;

		debug writeln(i, ":", remain);
		debug writeln(cost11, " ", cost12, " ", cost21, " ", cost22);
		long cost = Y[mid1] == Y[mid2] ? 1 : cost11 + cost12 + cost21 + cost22;
		ans = min(ans, cost);
	}

	writeln(ans);
	stdout.flush();
	debug readln();
}