Top Questions

1. Count number of pairs of nodes in undirected graph such that W - L >= K
   9 votes

   1 answers
2. Longest substring that appears at least twice in O(n.logn)
   7 votes

   2 answers
3. Minimum Lexicographical String after K removals of first, second, last or penultimate characters
   6 votes

   5 answers
4. What is the minimum number of swaps needed so that the difference of sums of arrays a and b is minimum?
   4 votes

   2 answers
5. Make balance bracket with highest score
   4 votes

   2 answers