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.
