#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cstdio>
#include <cstring>
#include <cmath>
using namespace std;
using ll = long long;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);

    int n;
    cin >> n;

    vector<int> y(n);
    for (int i = 0; i < n; i++) {
        cin >> y[i];
    }
    sort(y.begin(), y.end());

    if (y.front() == y.back()) {
        cout << 1 << endl;
        exit(0);
    }

    vector<ll> s(n + 1);
    for (int i = 0; i < n; i++) {
        s[i + 1] = s[i] + y[i];
    }

    ll r = 1LL << 60;
    for (int i = 1; i < n; i++) {
        int i0 = 0, i2 = i, i4 = n;
        int i1 = i / 2, i3 = (i + n) / 2;
        ll t = 0;
        t += +(ll)y[i1] * (i1 - i0) - (s[i1] - s[i0]);
        t += -(ll)y[i1] * (i2 - i1) + (s[i2] - s[i1]);
        t += +(ll)y[i3] * (i3 - i2) - (s[i3] - s[i2]);
        t += -(ll)y[i3] * (i4 - i3) + (s[i4] - s[i3]);
        r = min(r, t);
    }

    cout << r << endl;

    return 0;
}