get A's friends into array a[] get B's friend into array b[] use algo to find if they have at least one common element. Assume A is in the friends list of A(in array a[]) and B is in the friends list of B(in array b[]).
If they have common element(friend) show else don't show. On Thu, Mar 24, 2011 at 6:39 PM, ligerdave <[email protected]> wrote: > Instead of looking for a common friend of A and B, look for someone > who has friends A and B. > > if you are using relational DB, use count() > > > didn't quite understand your first part that "only if A is friend of > B". i assume when A is a friend of B, B is a friend of A as well > > On Mar 24, 6:43 am, snehal jain <[email protected]> wrote: > > Suppose there are 2 persons A and B on FB . A should be able to view > > the pictures of B only if either A is friend of B or A and B have at > > least one common friend . > > -- > 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. > > -- Thank You Rajeev Kumar -- 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.
