We can use Median of medians http://en.wikipedia.org/wiki/Selection_algorithm#Linear_general_selection_algorithm_-_Median_of_Medians_algorithm
On Sunday, 17 June 2012 08:13:18 UTC+5:30, Prem Nagarajan 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 view this discussion on the web visit https://groups.google.com/d/msg/algogeeks/-/4lQsacmUPYUJ. 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.