maintain a separate stack containing min and max element at each step..... so if u pop an element for the original stack, pop from the second stack also...
On Sun, Sep 4, 2011 at 11:13 PM, Deepak Garg <deepakgarg...@gmail.com>wrote: > +1 sandeep > > On Sun, Sep 4, 2011 at 11:11 PM, SANDEEP CHUGH <sandeep.aa...@gmail.com>wrote: > >> >> we can take another variable min.. >> >> first time push operation is done , store the element into min.. >> >> next time push is performed , compare the number u r pushing with the >> already stored no in "min" variable.. and store minimum of two no's in min >> variable.. and thn perform the push operation.. >> >> so min always contain the minimum no... >> >> tell me will that approach work or not? >> >> On Sun, Sep 4, 2011 at 10:38 PM, Sangeeta <sangeeta15...@gmail.com>wrote: >> >>> How would you design a stack which,in addition to push and pop,also >>> has a function min which returns the minimum element?push,pop and min >>> should all operate in O(1) time >>> >>> -- >>> 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. >> > > > > -- > U.D.I.T > > Sent by Nokia OVI (c) > -- U.D.I.T Sent by Nokia OVI (c) -- 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.
