@Umer and Navin : 1 is generated by (1,3) only. 2 is generated by (1,1) and (2,3).
so given solution is wrong On Tue, Jun 19, 2012 at 5:17 AM, Sourabh Singh <singhsourab...@gmail.com>wrote: > @ *ALL* > > please. post along with your method . > proof than it make's equal distribution over the given range. > > On Tue, Jun 19, 2012 at 4:47 AM, Navin Kumar <algorithm.i...@gmail.com>wrote: > >> @Umer: >> >> rand(5) + (rand(5)%2): => it will never give 6 because for rand(7) range >> will be 0-6. >> So better try this: rand(5) + (rand(5)%3). >> >> >> On Tue, Jun 19, 2012 at 2:45 PM, Umer Farooq <the.um...@gmail.com> wrote: >> >>> rand(5) + (rand(5)%2); >>> >>> >>> On Tue, Jun 19, 2012 at 12:30 PM, Sourabh Singh < >>> singhsourab...@gmail.com> wrote: >>> >>>> @ sry >>>> condition should be: >>>> >>>> if(20*prob <= 500/7) :-) >>>> >>>> >>>> On Tue, Jun 19, 2012 at 12:26 AM, Sourabh Singh < >>>> singhsourab...@gmail.com> wrote: >>>> >>>>> @ALL >>>>> >>>>> Given a random number generator say r(5) generates number between 1-5 >>>>> uniformly at random , use it to in r(7) which should generate a random >>>>> number between 1-7 uniformly at random >>>>> >>>>> i have seen this on many site's but not a single correct solution. all >>>>> solution's posted got rejected by someone else.: >>>>> plz.. suggest some algo : >>>>> >>>>> my aprroach: >>>>> >>>>> let's assume a rectangle : >>>>> >>>>> 100 |___________________ >>>>> |___________________|______ >>>>> 500/7 | | | >>>>> | | | >>>>> |___________________|______| >>>>> 0 1 2 3 4 5 6 7 >>>>> now : >>>>> >>>>> let : num = rand(5); >>>>> prob = rand(5); >>>>> >>>>> if(prob <= rand(5)) >>>>> print num >>>>> else >>>>> print 5 + num*(2/5) >>>>> >>>>> >>>>> -- >>>>> 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. >>>> >>> >>> >>> >>> -- >>> Umer >>> >>> -- >>> 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.
