#include<iostream>
#include<cstdlib>
#include<ctime>
#include<iomanip>
using namespace std;

double **init_a(int n){
   srand(time(0)); 
    double **a=new double*[n];
    for (int i=0;i<n;i++)
        a[i]=new double[n];
    for(int i=0;i<n;i++){
          for (int j=0;j<n;j++){
             a[i][j]=rand()/(RAND_MAX*1.0);
             }
       } 
       return a; 
} 

double **enlarge(double **a, int n, int m) {
      if (m<=n)
        return a; 
      else  {
            a=(double**)realloc(a,sizeof(double *)*m);
            for (int i=0;i<m;i++) {
                   a[i]=(double*)realloc(a[i],sizeof(double)*m;
            }
      }
      for (int i=0;i<m;i++){
            for (int j=0;j<m;j++) {
                a[i][j]=1.0;
                }
       }return a;
} 

void print_a(double **b, int n) {
      for (int i=0;i<n;i++) {
          for (int j=0;j<n;j++) {
               cout<< fixed<< setprecision(15) << b[i][j]<<"\t";
          }
          cout << endl;
      }
return;
}
int main(void) {
    int n;
    cout << "δωσε n :";
    cin >> n;
    double **p;
    p=init_a(n);
    p=enlarge(p,n+2);
    print_a(p,n);

    return 0;
}