#include <stdlib.h>
#include <stdio.h>

int main()
{
	int **a;
	a = new int* [3];
	
	a[0] = new int [5];
	a[1] = new int [5];
	a[2] = new int [5];

	for (int i=0; i<5; i++)
	{
		a[0][i] = i*100;
		a[1][i] = i*200+1;
		a[2][i] = i*300+2;
	}

	printf("a[2][4] = %i\n", a[2][4]); //1202


	int *aaa;
	aaa = a[2];
	
	delete[] a[0]; //delete the Array of integers
	delete[] a[1]; //delete the Array of integers

	printf("aaa[4] = %i\n", aaa[4]); //1202

	delete[] a[2]; //delete the Array of integers

	printf("aaa[4] = %i\n", aaa[4]); //Oops~ no longer there. You should see strange value here

	delete[] a; //finally we delete the Array of pointers

	// note that we don't need to delete aaa, since we didn't declare it dynamically

return 0;

}