#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;	
}