Dave, we don't remove (3,3)... min_query will return 3 stored at the top..ie (9,3).. pop will remove (9,3).. not (3,3)
On Thu, Oct 8, 2009 at 8:47 PM, sharad kumar <aryansmit3...@gmail.com> wrote: > 3 is min element then y to return 5??if u remove 9,3 > 3 at tos 3 is min so y to remove 5 borther dave > > On Thu, Oct 8, 2009 at 8:37 PM, Dave <dave_and_da...@juno.com> wrote: >> >> Satyam, let's work your example in detail. We've pushed your data onto >> the stack, and now we start popping. >> >> (6,6),(5,5),(10,5),(3,3),(9,3),(1,1), so remove the (1,1) and return >> 1. >> (6,6),(5,5),(10,5),(3,3),(9,3) so remove (3,3) and return 3. >> (6,6),(5,5),(10,5),(9,3). Now what? How do we find (5,5) to return 5? >> >> Dave >> >> >> On Oct 8, 6:15 am, harit agarwal <agarwalha...@gmail.com> wrote: >> > @manisha >> > i think u didn't get my point >> > >> > every time it will return the different value >> > ex >> > values to be pushed 6,5,10,3,9,1 >> > now push(a,b) a=element b=minimum value pushed till now >> > (6,6) >> > (6,6),(5,5) >> > (6,6),(5,5),(10,5) >> > (6,6),(5,5),(10,5),(3,3) >> > (6,6),(5,5),(10,5),(3,3),(9,3) >> > (6,6),(5,5),(10,5),(3,3),(9,3),(1,1) >> > >> > now start popping >> > (1,1) min in stack=1 >> > (9,3) min in stack =3 >> > similarly >> > last (6,6) min in stack=6 >> > >> > so everytime u get min in O(1) >> > > > > > --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
