DynamicTwoDArrayUsingArrayOfPointer.c

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

int main() {
    int r = 3, c = 4, i, j, count;

    int * arr[r];
    for (i = 0; i < r; i++)
        arr[i] = (int * ) malloc(c * sizeof(int));

    // Note that arr[i][j] is same as *(*(arr+i)+j) 
    count = 0;
    for (i = 0; i < r; i++)
        for (j = 0; j < c; j++)
            arr[i][j] = ++count; // Or *(*(arr+i)+j) = ++count 

    for (i = 0; i < r; i++)
        for (j = 0; j < c; j++)
            printf("%d ", arr[i][j]);

    /* Code for further processing and free the  
        dynamically allocated memory */

    return 0;
}