//
//
//  Codeforces: ganariya
//  AtCoder: ganariya2525
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//  MMMMMMMMMMMMMMMMNOtXtdMMMMMNxzZMMNmgHyVVVVVW%..?/(.,(x-..........(HfffpffpffpffWHHffpffppfVyyWMMMMMM


//include
//------------------------------------------
#include <vector>
#include <list>
#include <map>
#include <unordered_map>
#include <climits>
#include <set>
#include <unordered_set>
#include <deque>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <fstream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <cctype>
#include <string>
#include <cstring>
#include <ctime>
#include <queue>
#include <random>
#include <complex>
#include <regex>
#include <locale>
#include <random>
#include <type_traits>
#include <chrono>

using namespace std;

#define SHOW_VECTOR(v) {std::cerr << #v << "\t:";for(const auto& xxx : v){std::cerr << xxx << " ";}std::cerr << "\n";}
#define SHOW_MAP(v){std::cerr << #v << endl; for(const auto& xxx: v){std::cerr << xxx.first << " " << xxx.second << "\n";}}

using LL = long long;

//~~~~~~~~~~~~~~~~~~~~~_(＾～＾ ｣ ∠)_~~~~~~~~~~~~~~~~~~~~~

int main() {

    int N;
    cin >> N;

    vector<int> x(N), y(N);
    vector<pair<int, int>> xy(N);
    set<pair<int, int>> st;
    for (int i = 0; i < N; i++) {
        cin >> x[i] >> y[i];
        xy[i] = make_pair(x[i], y[i]);
        st.insert(make_pair(x[i], y[i]));
    }
    
    if(N == 1){
        cout << 1 << endl;
        return 0;
    }

    int ans = INT_MAX;
    for (int i = 0; i < N; i++) {
        for (int j = 0; j < N; j++) {
            if (i == j) continue;
            int cost = 0;
            int dx = xy[i].first - xy[j].first;
            int dy = xy[i].second - xy[j].second;
            for (int k = 0; k < N; k++) {
                int toX = xy[k].first + dx;
                int toY = xy[k].second + dy;
                if (!st.count(make_pair(toX, toY))) {
                    cost++;
                }
            }
            ans = min(ans, cost);
        }
    }


    cout << ans << endl;
}






































Measured memory_bytes: 256