using System; using System.Collections.Generic; using System.Linq; using System.IO; using SB = System.Text.StringBuilder; //using System.Threading.Tasks; //using System.Text.RegularExpressions; //using System.Globalization; //using System.Diagnostics; using static System.Console; using System.Numerics; using static System.Math; using pair = Pair; class Program { static void Main() { //SetOut(new StreamWriter(OpenStandardOutput()) { AutoFlush = false }); new Program().solve(); Out.Flush(); } readonly Scanner cin = new Scanner(); readonly int[] dd = { 0, 1, 0, -1, 0 }; //→↓←↑ readonly int mod = 1000000007; readonly int dom = 998244353; bool chmax(ref T a, T b) where T : IComparable { if (a.CompareTo(b) < 0) { a = b; return true; } return false; } bool chmin(ref T a, T b) where T : IComparable { if (b.CompareTo(a) < 0) { a = b; return true; } return false; } void solve() { int N = cin.nextint; var Y = cin.scanlong; Array.Sort(Y); var S = new SegTree(N, (x, y) => x + y, 0, Y); var P = new LongMedianQueue(); var L = new long[N]; for (int i = 0; i < N; i++) { P.Enqueue(Y[i]); L[i] = P.Med; } var R = new long[N]; P = new LongMedianQueue(); for (int i = N - 1; i >= 0; i--) { P.Enqueue(Y[i]); R[i] = P.Med; } if (Y[0] == Y[N - 1]) { WriteLine(1); return; } var ans = long.MaxValue; for (int i = 0; i < N - 1; i++) { var m = L[i]; var id = Y.lower_bound(m); var sum = m * id - S[0, id - 1]; sum += S[id + 1, i] - (i - id) * m; m = R[i + 1]; id = Y.lower_bound(m); sum += m * (id - i) - S[i + 1, id]; sum += S[id, N - 1] - (N - id) * m; chmin(ref ans, sum); } WriteLine(ans); } } /// riantkb class SegTree { readonly int n; int s, t; T[] tr; readonly Func f; readonly T exnum; /// /// セグメントツリーの構築1 /// /// 要素数 /// マージ関数 /// 単位元 public SegTree(int m, Func f, T ex) { this.f = f; exnum = ex; n = 1; while (n < m) n <<= 1; tr = new T[(n << 1) - 1]; for (int i = 0; i < tr.Length; i++) tr[i] = ex; } public SegTree(int m, Func f, T ex, T ini) : this(m, f, ex) { for (int i = 0; i < m; i++) Assign(i, ini); All_Update(); } public SegTree(int m, Func f, T ex, IList ini) : this(m, f, ex) { for (int i = 0; i < m; i++) Assign(i, ini[i]); All_Update(); } public T Look(int j) => tr[j + n - 1]; public T Peek() => tr[0]; /// /// 最下層に値の代入 /// /// 代入するインデックス /// 代入する値 public void Assign(int j, T x) => tr[j + n - 1] = x; public void Update(int j, T x) { Assign(j, x); Update(j); } public void Update(int j) { int i = j + n - 1; while (i > 0) { i = i - 1 >> 1; tr[i] = f(tr[i << 1 | 1], tr[i + 1 << 1]); } } public void All_Update() { for (int i = n - 2; i >= 0; i--) tr[i] = f(tr[i << 1 | 1], tr[i + 1 << 1]); } /// /// return node[s, t] 区間クエリ /// /// 左端 0-indexed /// 右端 0-indexed /// node[s, t] public T this[int s, int t] => Run(s, t); T Run(int s, int t) { t++; this.s = s; this.t = t; return Query(0, 0, n); } T Query(int k, int l, int r) => r <= s || t <= l ? exnum : s <= l && r <= t ? tr[k] : f(Query(k << 1 | 1, l, l + r >> 1), Query(k + 1 << 1, l + r >> 1, r)); } class LongMedianQueue { public bool even; public LongPriorityQueue left, right; public LongMedianQueue() { left = new LongPriorityQueue(); right = new LongPriorityQueue(-1); even = true; } public void Enqueue(long x) { even = !even; if (!Any || x.CompareTo(Med) < 0) { left.Enqueue(x); if (even) right.Enqueue(left.Dequeue()); } else { right.Enqueue(x); if (!even) left.Enqueue(right.Dequeue()); } } public long Dequeue(long x) { even = !even; var ret = left.Dequeue(); if (!even) left.Enqueue(right.Dequeue()); return ret; } public int Count => left.Count + right.Count; public bool Any => left.Count > 0; public long Med => left.Peek(); } class LongPriorityQueue { List heap; readonly int cmp; public LongPriorityQueue(int cmp = 1) { heap = new List(); this.cmp = cmp; } public void Enqueue(long x) { Sum += x; heap.Add(x); int i = Count++; while (i > 0) { int p = (i - 1) >> 1; if (x.CompareTo(heap[p]) * cmp <= 0) break; heap[i] = heap[p]; i = p; } heap[i] = x; } public long Dequeue() { var ret = heap[0]; var x = heap[--Count]; Sum -= ret; int i = 0; while ((i << 1) + 1 < Count) { int a = (i << 1) + 1; int b = (i << 1) + 2; if (b < Count && heap[a].CompareTo(heap[b]) * cmp < 0) a = b; if (x.CompareTo(heap[a]) * cmp >= 0) break; heap[i] = heap[a]; i = a; } heap[i] = x; heap.RemoveAt(Count); return ret; } public long Sum { get; private set; } public int Count { get; private set; } public bool Any => Count > 0; public long Peek() => heap[0]; } static class Ex { public static void join(this IEnumerable values, string sep = " ") => WriteLine(string.Join(sep, values)); public static string concat(this IEnumerable values) => string.Concat(values); public static string reverse(this string s) { var t = s.ToCharArray(); Array.Reverse(t); return t.concat(); } public static int lower_bound(this IList arr, T val) where T : IComparable { int low = 0, high = arr.Count; int mid; while (low < high) { mid = ((high - low) >> 1) + low; if (arr[mid].CompareTo(val) < 0) low = mid + 1; else high = mid; } return low; } public static int upper_bound(this IList arr, T val) where T : IComparable { int low = 0, high = arr.Count; int mid; while (low < high) { mid = ((high - low) >> 1) + low; if (arr[mid].CompareTo(val) <= 0) low = mid + 1; else high = mid; } return low; } } class Pair : IComparable> where T : IComparable where U : IComparable { public T f; public U s; public Pair(T f, U s) { this.f = f; this.s = s; } public int CompareTo(Pair a) => f.CompareTo(a.f) != 0 ? f.CompareTo(a.f) : s.CompareTo(a.s); public override string ToString() => $"{f} {s}"; } class Scanner { string[] s; int i; readonly char[] cs = new char[] { ' ' }; public Scanner() { s = new string[0]; i = 0; } public string[] scan => ReadLine().Split(); public int[] scanint => Array.ConvertAll(scan, int.Parse); public long[] scanlong => Array.ConvertAll(scan, long.Parse); public double[] scandouble => Array.ConvertAll(scan, double.Parse); public string next { get { if (i < s.Length) return s[i++]; string st = ReadLine(); while (st == "") st = ReadLine(); s = st.Split(cs, StringSplitOptions.RemoveEmptyEntries); i = 0; return next; } } public int nextint => int.Parse(next); public long nextlong => long.Parse(next); public double nextdouble => double.Parse(next); }