import java.util.*;

import java.math.*;

class Kmean

{

public static void main(String args[])

{

int n,i,j,k;

Scanner sc=new Scanner(System.in);

System.out.println("enter the no of points");

n=sc.nextInt();

double a[][]=new double[n][2];

for(i=0;i<n;i++)

{

for(j=0;j<2;j++)

{

System.out.println("Enter the value for"+i+","+j+":");

a[i][j]=sc.nextDouble();

}

}

for(i=0;i<n;i++)

{

for(j=0;j<2;j++)

{

System.out.print(a[i][j]+" ");

}

System.out.println();

}

Double x[][]=new Double[n][n];

for(i=0;i<n;i++)

{

for(k=0;k<n;k++)

{

x[i][k]=Math.sqrt(Math.pow((a[i][0]-a[k][0]),2)+Math.pow((a[i][1]-a[k][1]),2));

}

}

for(i=0;i<n;i++)

{

for(j=0;j<n;j++)

{

System.out.print(x[i][j]+" \t\t\t\t\t");

}

System.out.println();

}

}

}