it means we r considring d value for 2*n.......so need total n passes... On Mon, Sep 5, 2011 at 1:33 PM, aditya kumar <[email protected]>wrote:
> @dheeraj : u are right . i dint read the question properly . i thot there > are total n glasses so i answerd : n/4 swaps . bt since we have 2n glass so > we need n/2 swaps . i guess gopi did the same mistake > @sachin : yes u are also correct since the glasses are identical the order > of swapping doesnt matter . yes u can do that way also . the onli thing is > dat u will require n/2 swaps . > > > > On Mon, Sep 5, 2011 at 12:12 PM, Dheeraj Sharma < > [email protected]> wrote: > >> i thnk n/2 swaps are required... 1/4 is of the total glasses present.. >> i.e. 2n/4 ..=n/2 >> >> >> On Mon, Sep 5, 2011 at 11:52 AM, sachin goyal <[email protected]>wrote: >> >>> PLEASE CORRECT ME ADITYA >>> >>> >>> On Mon, Sep 5, 2011 at 11:52 AM, sachin goyal <[email protected]>wrote: >>> >>>> 12345|12345 >>>> FFFFF|EEEEE >>>> WE HAVE TO CREATE THE PATTERN LIKE >>>> F E F E F E F E F E >>>> ACCORDING TO MY UNDERSTANDING WE CAN DIRECTLY REPLACE THE 2ND WITH >>>> SECOND AND 4TH WITH 4TH >>>> TELL CORRECT ME IF I AM WRONG AND I AM TRATING WRONG??????? >>>> >>>> >>>> >>>> On Sun, Sep 4, 2011 at 8:04 PM, *$* <[email protected]> wrote: >>>> >>>>> yes n/4 swaps are required. +1 aditya kumar >>>>> >>>>> >>>>> On Sun, Sep 4, 2011 at 6:32 PM, aditya kumar < >>>>> [email protected]> wrote: >>>>> >>>>>> swap n/2-1 with n/2+1 , and then n/2-3 with n/2+3 till we reach n-1 . >>>>>> so we need n/4 swaps . >>>>>> >>>>>> >>>>>> On Sun, Sep 4, 2011 at 5:28 PM, Anup Ghatage <[email protected]>wrote: >>>>>> >>>>>>> That's interesting. >>>>>>> >>>>>>> when n = 3 >>>>>>> >>>>>>> We have been given this :F F F | E E E >>>>>>> >>>>>>> Swap the middle element and it becomes: F E F | E F E >>>>>>> >>>>>>> Which is what you want, but when n = 5 >>>>>>> >>>>>>> F F F F F | E E E E E >>>>>>> >>>>>>> And you swap the middle element it becomes: F F E F F | E E F E E >>>>>>> >>>>>>> So the same startegy doesn't apply. >>>>>>> >>>>>>> But if you do with from the center for every alternate element, it >>>>>>> works >>>>>>> >>>>>>> for n = 3 >>>>>>> >>>>>>> F F F | E E E > F F E | F E E > E F E | E F E >>>>>>> >>>>>>> It also works for n = 5 etc. So, It is a more uniform solution if you >>>>>>> may. >>>>>>> >>>>>>> -- >>>>>>> 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. >>>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> Thx, >>>>> --Gopi >>>>> >>>>> >>>>> -- >>>>> 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. >>> >> >> >> >> -- >> *Dheeraj Sharma* >> Comp Engg. >> NIT Kurukshetra >> +91 8950264227 >> >> >> -- >> 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.
