what should be the answer for this:
if A={0,1,2,4,5}
0 or 1 or 2
On Thu, Mar 3, 2011 at 6:26 PM, Ankit Sinha <akki12...@gmail.com> wrote:
> Hi,
>
> Here is the code to do this using Bsearch in o(logn) time.
>
> int BsearchElemEqualIndex (int *a, int start, int end)
> {
> int mid = (((end - start) >> 1) + start);
> if (a[mid] == mid)
> return a[mid];
> else if (a[mid] != mid)
> {
> if (mid == start || mid == end)
> {
> return -1;
> }
> else
> {
> BsearchElemEqualIndex (a, start, mid);
> BsearchElemEqualIndex (a, mid + 1, end);
> }
> }
> }
>
> int _tmain(int argc, _TCHAR* argv[])
> {
> int a[SIZE] = {5,9,3,8,1,2,6,7};
> int x = BsearchElemEqualIndex (a, 0, SIZE);
> printf ("%d", x);
> system ("PAUSE");
> return 0;
> }
>
> Cheers,
> Ankit!!!
>
> On Thu, Mar 3, 2011 at 11:04 AM, Param10k <paramesh...@gmail.com> wrote:
> > There is a sorted array and you have to write a fn to find a number in
> > the array which satisfies
> >
> > A[i] = i ; where A is the array and i is the index...
> >
> > - Param
> > http://teknotron-param.blogspot.com/
> >
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