For 1.
sum the numbers in the file, subtract it from sum of first 4 billion
numbers.
On Thu, Jun 9, 2011 at 3:44 PM, Navneet Gupta <navneetn...@gmail.com> wrote:
> The answer to second question is simple. XORing all the elements
> should do it for you.
>
>
> On Thu, Jun 9, 2011 at 3:15 PM, Dumanshu <duman...@gmail.com> wrote:
> > Q1. I have a file in which there are supposed to be 4 billion
> > numbers,
> > starting from 1 to 4,000,000,000 but unfortunately one number is
> > missing,
> > i.e there are only 3,999,999,999 numbers, I need to find the missing
> > number.
> >
> >
> > Q2. I have an array consisting of 2n+1 elements. n elements in it are
> > married, i.e they occur twice in the array, however there is one
> > element
> > which only appears once in the array. I need to find that number in a
> > single pass using constant memory. {assume all are positive numbers}
> > Eg :- 3 4 1 3 1 7 2 2 4
> > Ans:- 7
> >
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>
>
> --
> --Navneet
>
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--
Regards,
Vipul
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