using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Runtime.InteropServices;

namespace Contest
{
    struct S
    {
        public int X, Y;

        public S(int x, int y)
        {
            X = x;
            Y = y;
        }
    }
    class Program
    {
        private Scanner sc;

        public void Solve()
        {
            sc = new Scanner();
            int N = sc.NextInt();
            var ar = new S[N];
            Dictionary<S, bool> map = new Dictionary<S, bool>();
            for (int i = 0; i < N; i++)
            {
                ar[i] = new S(sc.NextInt(), sc.NextInt());
                map[ar[i]] = true;
            }

            long ans = N;

            for (int i = 0; i < N - 1; i++)
            {
                for (int j = i + 1; j < N; j++)
                {
                    int p = ar[i].X - ar[j].X;
                    int q = ar[i].Y - ar[j].Y;
                    int cnt = 0;
                    for (int k = 0; k < N; k++)
                    {
                        S b = new S(ar[k].X - p, ar[k].Y - q);
                        bool o;
                        if (map.TryGetValue(b, out o))
                        {
                            cnt++;
                        }
                    }

                    ans = Math.Min(ans, N - cnt);
                }
            }
            Console.WriteLine(ans);
        }



        static void Main() => new Program().Solve();
    }
}

class Scanner
{
    public Scanner()
    {
        _stream = new StreamReader(Console.OpenStandardInput());
        _pos = 0;
        _line = new string[0];
        _separator = ' ';
    }
    private readonly char _separator;
    private readonly StreamReader _stream;
    private int _pos;
    private string[] _line;
    #region get a element
    public string Next()
    {
        if (_pos >= _line.Length)
        {
            _line = _stream.ReadLine().Split(_separator);
            _pos = 0;
        }
        return _line[_pos++];
    }
    public int NextInt()
    {
        return int.Parse(Next());
    }
    public long NextLong()
    {
        return long.Parse(Next());
    }
    public double NextDouble()
    {
        return double.Parse(Next());
    }
    #endregion
    #region convert array
    private int[] ToIntArray(string[] array)
    {
        var result = new int[array.Length];
        for (int i = 0; i < array.Length; i++)
        {
            result[i] = int.Parse(array[i]);
        }

        return result;
    }
    private long[] ToLongArray(string[] array)
    {
        var result = new long[array.Length];
        for (int i = 0; i < array.Length; i++)
        {
            result[i] = long.Parse(array[i]);
        }

        return result;
    }
    private double[] ToDoubleArray(string[] array)
    {
        var result = new double[array.Length];
        for (int i = 0; i < array.Length; i++)
        {
            result[i] = double.Parse(array[i]);
        }

        return result;
    }
    #endregion
    #region get array
    public string[] Array()
    {
        if (_pos >= _line.Length)
            _line = _stream.ReadLine().Split(_separator);
        _pos = _line.Length;
        return _line;
    }
    public int[] IntArray()
    {
        return ToIntArray(Array());
    }
    public long[] LongArray()
    {
        return ToLongArray(Array());
    }
    public double[] DoubleArray()
    {
        return ToDoubleArray(Array());
    }
    #endregion
}

Measured memory_bytes: 15440