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.

There were three technical rounds. A lot of algorithm and data structure questions were asked. First was a telephonic round in which all concepts of basic Java were asked. Then, in a 1:1 interview, they asked technical questions and had me write the

Campus Hire 1st round: 1-hour MCQ online round with a mix of aptitude and coding questions. It consisted of 4 sections. 2nd round: Technical. 3rd round: Purely design and puzzles round. 4th round: HR + Technical.