import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.InputMismatchException;
import java.io.IOException;
import java.io.InputStream;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 *
 * @author Leonardo Da Vinchchi
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        InputReader in = new InputReader(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        BPickingUp solver = new BPickingUp();
        solver.solve(1, in, out);
        out.close();
    }

    static class BPickingUp {
        public void solve(int testNumber, InputReader sc, PrintWriter out) {
            int n = sc.nextInt();

            Pair p[] = new Pair[n];
            for (int i = 0; i < n; ++i) {
                p[i] = new Pair(sc.nextLong(), sc.nextLong());
            }

            int maxRem = 0;

            for (int i = 0; i < n; ++i) {
                for (int j = 0; j < n; ++j) {
                    if (i == j)
                        continue;

                    long d1 = p[i].x - p[j].x;
                    long d2 = p[i].y - p[j].y;

                    int cnt = 0;

                    for (int k = 0; k < n; ++k) {
                        for (int l = 0; l < n; ++l) {
                            if (k == l)
                                continue;

                            if (p[l].x - p[k].x == d1 && p[l].y - p[k].y == d2)
                                cnt++;
                        }
                    }

                    maxRem = Math.max(maxRem, cnt);
                }
            }

            out.print((n - maxRem));
        }

        class Pair {
            long x;
            long y;

            Pair(long a, long b) {
                x = a;
                y = b;
            }

        }

    }

    static class InputReader {
        private InputStream stream;
        private byte[] buf = new byte[1024];
        private int curChar;
        private int numChars;
        private InputReader.SpaceCharFilter filter;

        public InputReader(InputStream stream) {
            this.stream = stream;
        }

        public int read() {
            if (numChars == -1)
                throw new InputMismatchException();

            if (curChar >= numChars) {
                curChar = 0;
                try {
                    numChars = stream.read(buf);
                } catch (IOException e) {
                    throw new InputMismatchException();
                }

                if (numChars <= 0)
                    return -1;
            }
            return buf[curChar++];
        }

        public int nextInt() {
            int c = read();

            while (isSpaceChar(c))
                c = read();

            int sgn = 1;

            if (c == '-') {
                sgn = -1;
                c = read();
            }

            int res = 0;
            do {
                if (c < '0' || c > '9')
                    throw new InputMismatchException();
                res *= 10;
                res += c - '0';
                c = read();
            }
            while (!isSpaceChar(c));

            return res * sgn;
        }

        public long nextLong() {
            int c = read();
            while (isSpaceChar(c))
                c = read();
            int sgn = 1;
            if (c == '-') {
                sgn = -1;
                c = read();
            }
            long res = 0;

            do {
                if (c < '0' || c > '9')
                    throw new InputMismatchException();
                res *= 10;
                res += c - '0';
                c = read();
            }
            while (!isSpaceChar(c));
            return res * sgn;
        }

        public boolean isSpaceChar(int c) {
            if (filter != null)
                return filter.isSpaceChar(c);
            return c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == -1;
        }

        public interface SpaceCharFilter {
            public boolean isSpaceChar(int ch);

        }

    }
}



Measured memory_bytes: 23124