Try this: a = a + b - (b = a); //single line code to swap


On Mon, Nov 5, 2012 at 4:53 AM, Dave <[email protected]> wrote:

> @Manish: Sure.
>
> a = a + b;
> b = a - b;
> a = a - b;
>
> In 2-s complement arithmetic, it works even if a + b overflows.
>
> Dave
>
> On Sunday, November 4, 2012 2:32:43 PM UTC-6, manish wrote:
>
>> Swapping two objects (not integers/chars),without using temp...?
>> my solution is using xor operation..is that right and ny other solutions ?
>
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