@shrinivas : your iterative code is wrong
It should be:
>
> int add(int a, int b)
> { int temp;
> do
> {
> temp=a^b;
> b=a&b;
> b=b<<1;
>
a=temp;
> } while(b);
>
> return(a);
> }
>
>
> it is working well for negative numbers also . i tried lot but can not
> understand logic behind it can any one explain it in easy manner ...
> thanks in advance
>
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Thanks & Regards,
Priyanka Chatterjee
Final Year Undergraduate Student,
Computer Science & Engineering,
National Institute Of Technology,Durgapur
India
http://priyanka-nit.blogspot.com/
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