#include <iostream>
 
void printarray(int a[2][2])
{
    printf("#####2D access... \n");
    for (int i = 0; i<2; i++)
    {
        for (int j = 0; j<2; j++)
        {
            printf("## %p-->%d \n", &a[i][j], a[i][j]);
        }
    }
}
 
int main()
{
    int *a = (int*)calloc(sizeof(int), 4);
    for(int i=0;i<4;i++){
        a[i]=i*10;
    }
    for(int i=0;i<4;i++){
        printf("## %p-->%d \n", &a[i], a[i]);
    }
 
    int (&arr)[2][2] = reinterpret_cast<int(&)[2][2]>(a);
    printarray(arr);
 
    return 0;
}
 

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