Ideally, yes it can. Though i would be happy even if someone gives a good answer for non-negative values.
On Mon, Jun 20, 2011 at 6:28 PM, Akshata Sharma <akshatasharm...@gmail.com> wrote: > @Navneet: does the set contains negative elements also? > > On Mon, Jun 20, 2011 at 12:26 PM, pacific :-) <pacific4...@gmail.com> wrote: >> >> @vaibhav : Please note that more than two numbers can sum upto k. >> >> On Mon, Jun 20, 2011 at 12:21 PM, vaibhav shukla <vaibhav200...@gmail.com> >> wrote: >>> >>> sort the array using merge sort : order nlogn >>> take the first element,subtract it with 'k' , then search the result >>> using binary search in rest of the array : order nlogn >>> hence u get two elements which sum up to K in order nlogn >>> >>> On Mon, Jun 20, 2011 at 12:14 PM, Navneet Gupta <navneetn...@gmail.com> >>> wrote: >>>> >>>> Right, in the worst case, complexity with be O(2^N). >>>> So what are the possible optimizations here? Would building pre-computed >>>> data structures with intermediate sum values help in finding such pairs in >>>> less complexity? I think then we can apply dynamic programming to find such >>>> pairs. >>>> >>>> On Mon, Jun 20, 2011 at 12:09 PM, oppilas . <jatka.oppimi...@gmail.com> >>>> wrote: >>>>> >>>>> I think its a NP problem. The solution complexity can go up O(2^N) in >>>>> worst case. >>>>> >>>>> On Mon, Jun 20, 2011 at 11:55 AM, Navneet Gupta <navneetn...@gmail.com> >>>>> wrote: >>>>>> >>>>>> Given a set of integers , find a set of numbers such that they sum to >>>>>> a given number k . >>>>>> Notice the set of numbers can have 2 or more than 2 numbers. >>>>>> >>>>>> >>>>>> --Navneet >>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "Algorithm Geeks" group. >>>>>> To post to this group, send email to algogeeks@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. >>>>> >>>>> -- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "Algorithm Geeks" group. >>>>> To post to this group, send email to algogeeks@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. >>>> >>>> >>>> >>>> -- >>>> --Navneet >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Algorithm Geeks" group. >>>> To post to this group, send email to algogeeks@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. >>> >>> >>> >>> -- >>> best wishes!! >>> Vaibhav Shukla >>> DU-MCA >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "Algorithm Geeks" group. >>> To post to this group, send email to algogeeks@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. >> >> >> >> -- >> regards, >> chinna. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Algorithm Geeks" group. >> To post to this group, send email to algogeeks@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. > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to algogeeks@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. > -- --Navneet -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@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.
