#include "bits/stdc++.h"
using namespace std;
#define ll long long
#define endl '\n'
#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#define rep2(i,a,b) for(int i=int(a);i<int(b);i++)
#define pb emplace_back
#define all(x) (x).begin(),(x).end()
ll mod=1e9+7;
ll mod2=998244353;
const int INF=1e9;


signed main() {
	ll n;
	cin>>n;
	vector<ll> x(n);
	vector<ll> y(n);
	rep(i,n)cin>>x[i]>>y[i];
	map<pair<ll,ll>,ll> mp;
	rep(i,n){
		rep(j,n){
			if(i==j)continue;
			mp[make_pair(x[i]-x[j],y[i]-y[j])]++;
		}
	}
	
	ll ans=n;
	for(auto itr=mp.begin();itr!=mp.end();itr++){
		ans=min(ans,n-(itr->second));
	}
	cout<<ans<<endl;
}


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