import java.io.*;
import java.util.*;

public class Main {

    static class Coord {
        long x;
        long y;

        public Coord(long x, long y) {
            this.x = x;
            this.y = y;
        }

        @Override
        public boolean equals(Object o) {
            if (this == o) return true;
            if (o == null || getClass() != o.getClass()) return false;
            Coord coord = (Coord) o;
            return x == coord.x &&
                    y == coord.y;
        }

        @Override
        public int hashCode() {
            return Objects.hash(x, y);
        }
    }

    public static void main(String[] args) throws Exception {
        MyScanner scan = new MyScanner();
        out = new PrintWriter(new BufferedOutputStream(System.out));

        int n = scan.nextInt();
        long[][] coords = new long[n][2];
        HashSet<Coord> coordMap = new HashSet<>();
        for (int i = 0; i < n; i++) {
            coords[i][1] = scan.nextInt();
            coords[i][0] = scan.nextInt();
            coordMap.add(new Coord(coords[i][1], coords[i][0]));
        }
        HashSet<Coord> grads = new HashSet<>();
        int maxCount = Integer.MAX_VALUE;
        for (int i = 0; i < n; i++) {
            for (int j = i + 1; j < n; j++) {
                long deltaX = coords[i][1] - coords[j][1];
                long deltaY = coords[i][0] - coords[j][0];
                Coord coo = new Coord(deltaX, deltaY);
                grads.add(coo);
            }
        }
        if (n == 1) {
            out.println(1);
        } else {
            for (Coord c : grads) {
                int count = 0;
                for (int i = 0; i < n; i++) {
                    if (!coordMap.contains(new Coord(coords[i][1] + c.x, coords[i][0] + c.y))) {
                        count++;
                    }
                }
                maxCount = Math.min(count, maxCount);
            }
            out.println(maxCount);
        }

        out.close();
    }

    //-----------PrintWriter for faster output---------------------------------
    public static PrintWriter out;

    //-----------MyScanner class for faster input----------
    public static class MyScanner {
        BufferedReader br;
        StringTokenizer st;

        public MyScanner() {
            br = new BufferedReader(new InputStreamReader(System.in));
        }

        String next() {
            while (st == null || !st.hasMoreElements()) {
                try {
                    st = new StringTokenizer(br.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return st.nextToken();
        }

        int nextInt() {
            return Integer.parseInt(next());
        }

        long nextLong() {
            return Long.parseLong(next());
        }

        double nextDouble() {
            return Double.parseDouble(next());
        }

        String nextLine() {
            String str = "";
            try {
                str = br.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return str;
        }

    }
    //--------------------------------------------------------

}

Measured memory_bytes: 27476