Sorry it shud be
int *pos = lower_bound(arr, arr + n, x );
x is the element you are searching for
-Dhyanesh
On 5/25/06, Dhyanesh <[EMAIL PROTECTED]> wrote:
> If array is sorted just use STL
>
> int *pos = lower_bound(arr, arr + n ) ;
> print *pos;
>
> -Dhyanesh
>
> On 5/21/06, adak <[EMAIL PROTECTED]> wrote:
> >
> > This is a "normal" binary search. You just need to have it return the
> > next lower number if a match is not found.
> > And of course, get rid of the superflous database records. sr[] is the
> > array of student records.
> >
> > /* Number_Search uses a binary search, to search for a record's student
> >
> > number. */
> >
> > int Number_Search(int target) {
> > int low, mid, high;
> > low = 1; high = Hi;
> >
> > while(!target) {
> > printf("\n Enter the Student Number: ");
> > scanf("%d", &target);
> > }
> > while(low <= high) {
> > mid = (low + high) / 2;
> > if(sr[mid].sn == target) { /* is it a match ? */
> > /* PrintHeader(); */
> >
> > printf("\n %5d %-11s %c %2d %-22s", sr[mid].sn,
> > sr[mid].name, sr[mid].sex, sr[mid].age, sr[mid].major);
> >
> > return mid;
> > } else if(sr[mid].sn < target) /* is our guess too low? */
> > low = mid + 1; /* then increase the mid point
> > */
> > else
> > high = mid - 1; /* too high, so decrease range
> > */
> > }
> > printf("\n No Match ");
> >
> > /* If no match, add your return to include the number in the array
> > which is just less than the match previously requested. */
> > return 0; /* no match here */
> > }
> >
> > Adak
> >
> >
> > > >
> >
>
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