#include <fstream>
#include <cmath>

using namespace std;

struct Coord
{
    int x, y;
};

Coord pct[100];
int n;

inline void Citire()
{
    ifstream fin("puncte.in");
    fin >> n;
    for(int i = 0; i < n; i++)
        fin >> pct[i].x >> pct[i].y;
    fin.close();
}

ofstream fout("puncte.out");

inline double DistPct(Coord a, Coord b)
{
    return sqrt((a.x - b.x)*(a.x - b.x) + (a.y - b.y)*(a.y - b.y));
}

double MinDist()
{
    int i, j;
    double d, mind = DistPct(pct[0], pct[1]);
    for(i = 0; i < n-1; i++)
        for(j = i+1; j < n; j++)
        {
            d = DistPct(pct[i], pct[j]);
            if(d < mind) mind = d;
        }
    return mind;
}

void Afisare()
{
    fout << "\nPunctele ordonate: \n";
    for(int i = 0; i < n; i++)
        fout << pct[i].x << " " << pct[i].y << "\n";
}

void Ord()
{
    int i, j;
    Coord aux;
    for(i = 0; i < n-1; i++)
        for(j = i+1; j < n; j++)
        {
            if(pct[i].y > pct[j].y)
            {
                aux = pct[i];
                pct[i] = pct[j];
                pct[j] = aux;
            }
            else if((pct[i].y == pct[j].y) && (pct[i].x > pct[j].x))
            {
                aux = pct[i];
                pct[i] = pct[j];
                pct[j] = aux;
            }
        }
    Afisare();
}

int main()
{
    Citire();
    fout << "Distanta minima dintre 2 pct: " << MinDist() << "\n";
    Ord();
    return 0;
}