#include <iostream>
#include <fstream>
#include <sstream>
#include <string>
#include <cstring>
#include <vector>
#include <set>
#include <map>
#include <unordered_map>
#include <queue>
#include <deque>
#include <stack>
#include <algorithm>
#include <bitset>
#include <cmath>
#include <cstdlib>
#include <ctime>
#include <numeric>
#include <functional>
#include <cctype>
#include <list>
#include <limits>
#include <cassert>
//#include <boost/multiprecision/cpp_int.hpp>

const double EPS = (1e-10);


using namespace std;
using Int = long long;
//using namespace boost::multiprecision;

const Int MOD = 1000000007;

long long mod_pow(long long x, long long n) {
    long long res = 1;
    for(int i = 0;i < 60; i++){
        if(n >> i & 1) res = res * x % MOD;
        x = x * x % MOD;
    }
    return res;
}

template<typename T>
T gcd(T a, T b) {
    return b != 0 ? gcd(b, a % b) : a;
}

template<typename T>
T lcm(T a, T b) {
    return a * b / gcd(a, b);
}

void fast_input() {
    cin.tie(0);
    ios::sync_with_stdio(false);
}

int main(void) {
    int N; cin >> N;
    vector<long long> Y(N);
    int flag = 1;
    for (int i = 0; i < N; i++) {
        cin >> Y[i];
        if (i > 0 && Y[i] != Y[i-1]) flag = 0;
    }
    if (flag) {
        cout << 1 << endl;
        return 0;
    }
    long long leftSums[100005] = {0};
    long long rightSums[100005] = {0};
    long long leftSum = 0;
    long long rightSum = 0;
    sort(Y.begin(), Y.end());
    for (int i = 0; i < N; i++) {
        if (0 < i) {
            leftSum += (Y[i] - Y[i-1]) * i;
        }
        leftSums[i] = leftSum;
    }
    for (int i = N-1; i >= 0; i--) {
        if (i < N-1) {
            rightSum += (Y[i+1] - Y[i]) * (N-1-i);
        }
        rightSums[i] = rightSum;
    }
    long long const INF = 1000000000000;
    long long ans = INF;

    for (int bound = 0; bound < N-1; bound++) {
        int leftMid = bound/2;
        int rightMid = (bound + 1 + N) / 2;

        long long sum = leftSums[leftMid] + rightSums[rightMid];
        sum += rightSums[leftMid] - rightSums[bound] - (Y[bound] - Y[leftMid]) * (N-bound-1);
        sum += leftSums[rightMid] - leftSums[bound+1] - (Y[rightMid] - Y[bound+1]) * (bound+1); 
        ans = min(ans, sum);
    }
    cout << ans << endl;
}