@Ashish Building a treeis of O(nlogn) complexity. Linear solution is much appreciated.
On Sun, Jun 17, 2012 at 2:00 PM, Amitesh Singh <[email protected]>wrote: > check out this: > RANDOMIZED-SELECT in O(n): > > http://amiteshsingh.wordpress.com/2012/06/08/iterative-randomized-select/ > > -- > Amitesh > > > > > On Sun, Jun 17, 2012 at 1:24 PM, Ashish Goel <[email protected]> wrote: > >> is the modification of the given array allowed? >> >> if yes use quick select, otherwise build tree where each node keeps count >> of its left subtree >> Best Regards >> Ashish Goel >> "Think positive and find fuel in failure" >> +919985813081 >> +919966006652 >> >> >> >> On Sun, Jun 17, 2012 at 8:13 AM, Prem Nagarajan >> <[email protected]>wrote: >> >>> Give an array of unsorted elements, find the kth smallest element in the >>> array. >>> >>> The expected time complexity is O(n) and no extra memory space should be >>> used. >>> >>> Quickselect algorithm can be used to obtain the solution. Can anyone >>> explain how quickselect works? >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Algorithm Geeks" group. >>> To post to this group, send email to [email protected]. >>> To unsubscribe from this group, send email to >>> [email protected]. >>> 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 [email protected]. >> To unsubscribe from this group, send email to >> [email protected]. >> 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 [email protected]. > To unsubscribe from this group, send email to > [email protected]. > 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 [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
