Write C++ Example to illustrate two dimensional array implemented as pointer to a pointer.

#include <iostream.h> 
 #include <conio.h> 
    void main() 
 { 
             const int m=2, n=2; 
             int i, j; 
             int **A; 
             clrscr(); 
             for(i=0;i<m;i++) 
                  A[i] = new int[n]; 
                 for(i=0;i<m;i++) 
                     for(j=0;j<n;j++) 
                         { 
                             cout<<"A["<<i<<", "<<j<<"] = "; 
                             cin>>A[i][j]; 
                         } 
                    for(i=0;i<m;i++) 
                       { 
                          for(j=0;j<n;j++ ) 
                              cout<<" " <<A[i][j]; 
                              cout<<endl; 
                       } 
                              cout << endl<<"Transpose of the matrix is: "<<endl; 
                              for(i=0;i<m;i++) 
                                  { 
                                      for(j=0;j<n;j++ ) 
                                              cout<<" " <<A[j] [i]; 
                                              cout<<endl; 
                                  } 
                                              getch();          
 }