using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;

namespace Sandbox
{
    internal class Program
    {
        private static void Main(string[] args)
        {
            var scanner = new Scanner();
            var n = scanner.GetNextAsInt();

            var balls = new int[n,2];

            for (var i = 0; i < n; i++)
            {
                balls[i, 0] = scanner.GetNextAsInt();
                balls[i, 1] = scanner.GetNextAsInt();
            }

            var dic = new Dictionary<int, Dictionary<int, int>>();

            if (n == 1)
            {
                Console.WriteLine("1");
                return;
            }

            for (var i = 0; i < n; i++)
            {
                for (var j = i + 1; j < n; j++)
                {
                    if (i == j)
                    {
                        continue;
                    }

                    var ballix = balls[i, 0];
                    var balliy = balls[i, 1];
                    var balljx = balls[j, 0];
                    var balljy = balls[j, 1];

                    var diffx = ballix - balljx;
                    var diffy = balliy - balljy;

                    if (diffx < 0)
                    {
                        diffx = -diffx;
                        diffy = -diffy;
                    }
                    else if (diffx == 0 && diffy < 0)
                    {
                        diffy = -diffy;
                    }

                    Dictionary<int, int> xdic;
                    if (dic.ContainsKey(diffx))
                    {
                        xdic = dic[diffx];
                    }
                    else
                    {
                        xdic = new Dictionary<int, int>();
                        dic[diffx] = xdic;
                    }

                    var count = 0;
                    if (xdic.ContainsKey(diffy))
                    {
                        count = xdic[diffy];
                    }

                    count++;
                    xdic[diffy] = count;
                }
            }

            var maxCount = dic.Values
                .SelectMany(_ => _.Values)
                .OrderByDescending(_ => _)
                .First();

            Console.WriteLine(n - maxCount);
        }

        #region String Scanner

        public class Scanner
        {
            private const char Separator = ' ';
            private readonly StreamReader _Stream = new StreamReader(Console.OpenStandardInput());
            private int _Pos;
            private string[] _Line = new string[0];

            #region get a element

            public string GetNext()
            {
                // ReSharper disable once InvertIf
                if (this._Pos >= this._Line.Length)
                {
                    // ReSharper disable once PossibleNullReferenceException
                    this._Line = this._Stream.ReadLine().Split(Separator);
                    this._Pos = 0;
                }

                return this._Line[this._Pos++];
            }

            public int GetNextAsInt()
            {
                return int.Parse(this.GetNext());
            }

            public long GetNextAsLong()
            {
                return long.Parse(this.GetNext());
            }

            public double GetNextAsDouble()
            {
                return double.Parse(this.GetNext());
            }

            #endregion

            #region get array

            public string[] ToArrayFromNextLine()
            {
                if (this._Pos >= this._Line.Length)
                {
                    // ReSharper disable once PossibleNullReferenceException
                    this._Line = this._Stream.ReadLine().Split(Separator);
                }

                this._Pos = this._Line.Length;
                return this._Line;
            }

            public int[] ToIntArrayFromNextLine()
            {
                return ToIntArray(this.ToArrayFromNextLine());
            }

            public long[] ToLongArrayFromNextLine()
            {
                return ToLongArray(this.ToArrayFromNextLine());
            }

            public double[] ToDoubleArrayFromNextLine()
            {
                return ToDoubleArray(this.ToArrayFromNextLine());
            }

            #endregion

            #region convert array

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

                return result;
            }

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

                return result;
            }

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

                return result;
            }

            #endregion
        }

        #endregion
    }
}


Measured memory_bytes: 13524