consider it as a directed graph and sink is the celebrity.do dfs to find sink...
On Sat, Dec 18, 2010 at 11:30 PM, snehal jain <[email protected]> wrote: > In a n twitter set, a celebrity is defined as someone who is followed > by everyone, but who follows no one. You need to identify the > celebrities by asking to twitters the question: "do you know person > x?" The answer will be yes/no. Find the celebrity by asking only O(n) > questions. > > -- > 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]<algogeeks%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > > -- yezhu malai vaasa venkataramana Govinda Govinda -- 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.
