Top Answers

1. Check if there is a closed area around the point
   8 votes
2. Do not understand the solution for the Binary Tree Maximum Path Sum problem
   4 votes
3. find the most valuable vertex among all reachable vertices
   2 votes
4. Can I get average of a column in mySQL DB based upon value of other column in one query?
   1 votes
5. find all possible subsets satisfying a predicate
   0 votes