Programming

#include <stdio.h>

int main()
{
    int i=100;
    int arr[2][3];
    arr[1][2]=&i;

    printf("a=%d\n",arr[1][2]); -> giving the address
    printf("b=%d\n",*(int *)(arr[1][2])); -> giving memory fault

}

#include <stdio.h>

int main()
{
    int i = 100;
    int arr[2][3];
    arr[1][2] = &i;

    printf("address: %p\n", &i);
    printf("value:   0x%x\n", arr[1][2]);
}

arr[1][2] = (int) &i;

#include <stdio.h>

int main()
{
    int i=100;
    long arr[2][3];
    arr[1][2]=&i;

    printf("a=%p\n",(int*) arr[1][2]);
    printf("b=%d\n",*(int *)(arr[1][2])); /* will print 100 */

}