512
Because:
a will have the binary value of 256.
a is an integer, so it will be stored over 4 bytes like this:
a
0000 0001 0000 0000
byte1 byte2 byte3 byte4
now a char pointer with point to one byte., and here the first byte.
p
\/
0000 0001 0000 0000
byte1 byte2 byte3 byte4
incrementing p will make it point to the second byte
p
\/
0000 0001 0000 0000
byte1 byte2 byte3 byte4
Assigning 2 to the value of p will change the data which is 0001 to 0010 (2
in binary)
hence making:
a
0000 0010 0000 0000
byte1 byte2 byte3 byte4
which is binary for 512
On Thu, Sep 22, 2011 at 6:02 PM, Yogesh Yadav <medu...@gmail.com> wrote:
> Ans. 512
>
> ...
>
>
> On Thu, Sep 22, 2011 at 5:38 PM, Rohit Upadhyaya
> <mailtoroh...@gmail.com>wrote:
>
>> int main()
>> {
>> int a=256;
>> char *p=&a;
>> *++p=2;
>> printf("%d",a);
>> return(0);
>> }
>>
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