#include<stdio.h>

int main(int argc, char **argv)
{
	int i;

	/* Declaration of a 2D array */
	double arr[10][10];
	
	/* Using indices */
	arr[0][0] = 1/243.0;

	/* Using pointers */
	*(*(arr+2)+3) = 3.14;

	/* Using both */
	(*(arr+2))[4] = 1.618;

	printf("%f %f %f\n",arr[0][0],arr[2][3],arr[2][4]);
}