#include <bits/stdc++.h>
using namespace std;

long long diffsum(const vector<long long> & Ys, int head, int tail){
    long long result = 0LL;
    while (head < tail){
        result += Ys[tail--] - Ys[head++];
    }
    return result;
}


long long solve(long long record, int N, const vector<long long> & Ys){
    int a_head = 0;
    int a_tail = 1;
    int b_head = 2;
    int b_tail = N - 1;
    int a_mid = (a_head + a_tail) / 2;
    int b_mid = (b_head + b_tail) / 2;
    long long sum_a = diffsum(Ys, a_head, a_tail);
    long long sum_b = diffsum(Ys, b_head, b_tail);
    record = min(record, sum_a + sum_b);
    for (a_tail = 2, b_head = 3; b_head < N - 1; b_head++, a_tail++){
        a_mid = (a_head + a_tail) / 2;
        sum_a += Ys[a_tail] - Ys[a_mid];
        b_mid = (b_head + b_tail) / 2;
        sum_b -= Ys[b_mid] - Ys[b_head - 1];
        record = min(record, sum_a + sum_b);
    }
    return record;
}


int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);
    int N;
    cin >> N;
    vector<long long> Ys(N, 0LL);
    for (auto & y: Ys) cin >> y;
    sort(Ys.begin(), Ys.end());
    // Corner case
    if (Ys[0] == Ys[N - 1]){
        cout << 1 << endl;
        return 0;
    }
    if (N == 2){
        cout << 0 << endl;
        return 0;
    }else if (N == 3){
        cout << min(Ys[2] - Ys[1], Ys[1] - Ys[0]) << endl;
        return 0;
    }
    long long record;
    record = diffsum(Ys, 0, N - 2);
    record = min(record, diffsum(Ys, 1, N - 1));
    // Regular case
    cout << solve(record, N, Ys) << endl;
    return 0;
}