stack, real implmentation is also stack AFAIK Best Regards Ashish Goel "Think positive and find fuel in failure" +919985813081 +919966006652
On Thu, Jun 30, 2011 at 10:34 PM, shady <sinv...@gmail.com> wrote: > stack is the best option, isnt it ? O(1) for both operations. > > > On Thu, Jun 30, 2011 at 9:55 PM, Jitendra singh > <jsinghrath...@gmail.com>wrote: > >> circular linklist containing three pointers start,end,current >> >> On 6/27/11, vaibhav agarwal <vibhu.bitspil...@gmail.com> wrote: >> > @radha k but i think we need to store the bottom of the stack for >> deleting >> > the last node in O(1). >> > as we can click the redo or undo fixed number of times >> > and we would need two stacks >> > is that ok. >> > >> > On Mon, Jun 27, 2011 at 10:31 PM, radha krishnan < >> > radhakrishnance...@gmail.com> wrote: >> > >> >> You asked the Most Efficient dude >> >> >> >> On Mon, Jun 27, 2011 at 10:29 PM, vaibhav agarwal >> >> <vibhu.bitspil...@gmail.com> wrote: >> >> > @radha: hw abt using a fixed size circular list? >> >> > >> >> > On Sat, Jun 25, 2011 at 8:25 PM, radha krishnan >> >> > <radhakrishnance...@gmail.com> wrote: >> >> >> >> >> >> simple!! >> >> >> Stack:P >> >> >> >> >> >> On Sat, Jun 25, 2011 at 8:11 PM, rShetty <rajeevr...@gmail.com> >> wrote: >> >> >> > Suggest the most efficient Data Structures and algorithms to >> >> >> > implement >> >> >> > Undo and Redo operations in any of the Office Suites ? >> >> >> > >> >> >> > -- >> >> >> > 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. >> >> >> >> >> > >> >> > -- >> >> > 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. >> >> >> >> >> > >> > -- >> > 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. >> >> > -- > 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.