@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 <[email protected]> wrote: > rand(5) + (rand(5)%2); > > > On Tue, Jun 19, 2012 at 12:30 PM, Sourabh Singh > <[email protected]>wrote: > >> @ sry >> condition should be: >> >> if(20*prob <= 500/7) :-) >> >> >> On Tue, Jun 19, 2012 at 12:26 AM, Sourabh Singh <[email protected] >> > 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 [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. >> > > > > -- > Umer > > -- > 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.
