#include <iostream>
#include <cstdlib>

using namespace std;

int main(int nargs, char* args[])
{
   int n;
   cout << "Dame n: \n";
   cin >> n;

   cout << "me diste n= " << n << endl;
   double a[n][n];

   for (int i=0; i<n; i++)
     for (int j=0; j<n; j++)
       a[i][j]= 1.0 / (i+j+1.0);


   for (int i=0; i<n; i++)
      {
       for (int j=0; j<n; j++)
         {
          cout.width(8);
          cout << a[i][j] << " ";
         }
       cout << endl;
      }

   return EXIT_SUCCESS;
}