For the final short answer question, you may assume that the each friend of the initial set of 4 candidates has <= 5k friends.
E.g., if Trump follows X, then X follows at most 5K people.
Note that the question asks for the time to get these second-degree friends for all 4 candidates.
For the final short answer question, you may assume that the each friend of the initial set of 4 candidates has <= 5k friends. E.g., if Trump follows X, then X follows at most 5K people.
Note that the question asks for the time to get these second-degree friends for all 4 candidates.
Best, Aron