1,2,43,41,5 , 6 Start at a[3] and a[5] Swap them up . Reversing it , we get 1,2,43,5,6,41 This does not work . On Jun 23, 9:05 pm, Swathi <chukka.swa...@gmail.com> wrote: > We just need to find the start and end of the decreasing sequence then we > have to reverse the elements in that decreasing sequence by swapping the > elements at both the edges... > > On Thu, Jun 23, 2011 at 2:13 PM, sankalp srivastava < > > > > richi.sankalp1...@gmail.com> wrote: > > @piyush Sinha > > > How can you do it in O(1) space and O(n) time dude .The inplace > > merging of d sorted arrays take space O(log d) space at least i > > think .Plus even at every step , we have to do O(log n) comparisions > > to find the next larger or smaller element .How can this be O(n) ??? > > > WAiting eagerly for a reply > > On Jun 22, 3:24 pm, Dumanshu <duman...@gmail.com> wrote: > > > @Piyush: could u plz post the link to the same? > > > > On Jun 22, 2:15 pm, Piyush Sinha <ecstasy.piy...@gmail.com> wrote: > > > > > This question has been discussed over here once...It was concluded > > > > that this can be solved in O(n) if we know there is a fixed range up > > > > to which the elements keep on increasing and decreasing..for example > > > > in an array of 12 elements, we know 3 elements keep on increasing > > > > monotonically, then 3 elements keep on decreasing monotonically and so > > > > on > > > > > On 6/22/11, chirag ahuja <sparkle.chi...@gmail.com> wrote: > > > > > > Given an array of size n wherein elements keep on increasing > > > > > monotonically upto a certain location after which they keep on > > > > > decreasing monotonically, then again keep on increasing, then > > > > > decreasing again and so on. Sort the array in O(n) and O(1). > > > > > > I didn't understand the question, any array of n elements will be > > like > > > > > this except when first there is a decrese from index 0 to a higher > > > > > index. Any ideas about how to solve it in given constraints?? > > > > > > -- > > > > > 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. > > > > > -- > > > > *Piyush Sinha* > > > > *IIIT, Allahabad* > > > > *+91-8792136657* > > > > *+91-7483122727* > > > > *https://www.facebook.com/profile.php?id=100000655377926*-Hidequoted > > text - > > > > > - Show quoted text - > > > -- > > 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.- Hide quoted text - > > - Show quoted text -
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