#include <iostream>
#include <cstdlib>
using namespace std;
int **init_a(int **a, int n) {
	a=new int *[n];
		for (int i=0;i<n;i++) 
				a[i]=new int[n];
					for (int i=0;i<n;i++) {
							for (int j=0;j<n;j++) {
										a[i][j]=rand()%10;
												}
													}
														return a;
														}	

														void print_2D(int **a, int n) {
															for (int i=0;i<n;i++)  {
																	for (int j=0;j<n;j++) {
																			 	cout << a[i][j] << "  "; 
																			 			 		 cout << endl;
																			 			 		 	}
																			 			 		 	}
																			 			 		 	int main() {
																			 			 		 		int **a=nullptr;
																			 			 		 			a=init_a(a,4);
																			 			 		 				print_2D(a,4);
																			 			 		 					return 0;	
																			 			 		 					}