Oracle

First round DSA. Second round DSA. Third round HM. Find first K elements. Height of tree. Level order traversal. Third highest element. DP digit. Knapsack. Height of trees. Queue. Disjoint set. Priority Queue.

It was a one-day process. Three rounds focused primarily on DSA. Expect medium to high-level questions.

The first round was full of core Java questions. The second round focused on data structure and algorithm-based questions, such as finding the height of a tree, the right view of a tree, and mirroring a tree.