i figured it out. I didnt know before that is was in 2's complement form .

On Fri, Jul 29, 2011 at 11:53 PM, sukhmeet singh <sukhmeet2...@gmail.com>wrote:

> I couldn't understand the problem .. u have used %x as indentifier that why
> it is so
>
> On Fri, Jul 29, 2011 at 11:37 PM, Ankur Khurana 
> <ankur.kkhur...@gmail.com>wrote:
>
>> Please explain the output, that why is it in that form in hexadecimal form
>>
>>
>> #include<stdio.h>
>>
>> int main()
>> {
>>   printf("%d %x",-1<<1,-1<<1);
>>     return 0;
>> }
>>
>>
>> output :
>>
>> -2 fffffffe
>>
>>
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-- 
Ankur Khurana
Computer Science
Netaji Subhas Institute Of Technology
Delhi.

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