@ jai nice solution I think for O(n) solution we will have to use extra array. Otherwise we will have to do this in O(nlogn). Correct me if i am wrong.
On Thu, Dec 23, 2010 at 1:04 PM, jai gupta <sayhelloto...@gmail.com> wrote: > make another array(B) from (A) with all elements negated > now find one element from B and one from A whose sum is x or -x. This can > ofcourse be done in O(n). > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to algoge...@googlegroups.com. > To unsubscribe from this group, send email to > algogeeks+unsubscr...@googlegroups.com<algogeeks%2bunsubscr...@googlegroups.com> > . > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- Amit Jaspal Btech IT IIIT- Allahabad -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algoge...@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.