#include <iostream>
#include <algorithm>
#include <vector>

using lint = long long;
constexpr lint INF = 1LL << 60;

void solve() {
    int n;
    std::cin >> n;

    std::vector<lint> xs(n);
    for (auto& x : xs) std::cin >> x;
    std::sort(xs.begin(), xs.end());

    if (xs.front() == xs.back()) {
        std::cout << 1 << std::endl;
        return;
    }

    std::vector<lint> fore(n + 1, 0);
    {
        lint sum = 0;
        int pmi = -1;
        for (int i = 0; i < n; ++i) {
            sum += xs[i];
            int mi = i / 2;

            if (pmi < mi) sum -= xs[mi] * 2;
            fore[i + 1] = sum +
                          (mi + 1) * xs[mi] -
                          (i - mi) * xs[mi];
            pmi = mi;
        }
    }

    std::reverse(xs.begin(), xs.end());
    std::vector<lint> back(n + 1, 0);
    {
        lint sum = 0;
        int pmi = -1;
        for (int i = 0; i < n; ++i) {
            sum -= xs[i];
            int mi = i / 2;

            if (pmi < mi) sum += xs[mi] * 2;
            back[i + 1] = sum -
                          (mi + 1) * xs[mi] +
                          (i - mi) * xs[mi];
            pmi = mi;
        }
    }

    lint ans = INF;
    for (int i = 0; i <= n; ++i) {
        ans = std::min(ans, fore[i] + back[n - i]);
    }

    std::cout << ans << std::endl;
}

int main() {
    std::cin.tie(nullptr);
    std::ios::sync_with_stdio(false);

    solve();

    return 0;
}