take one pointer to start n another to the end say a n b now if a +b > X shift b towards left n so on
On Fri, Jun 18, 2010 at 9:03 AM, sharad kumar <aryansmit3...@gmail.com>wrote: > @arun:find out the difference x-arr[i] for all i=0..n hash it ...next > search for a number with difference .u can get it in O(n).... > > On Fri, Jun 18, 2010 at 8:05 AM, Arunkumar Sreenivasan < > thegame.a...@gmail.com> wrote: > >> Hi, >> You are given a set of numbers and another number 'x'. You have to find >> if there exists any two numbers, whose sum is equal to 'x'. I have done this >> is o(n)log n. Need a more optimized solution. >> >> regards, >> Arun kumar S >> >> -- >> 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. >> > > > > -- > yezhu malai vaasa venkataramana Govinda Govinda > > -- > 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. > -- Thanking You Ashish Mishra -- 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.
