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One coding question regarding Trees was not very clear to me. I should have clarified the question before going for the solution. This was the first DSA round. Before that, I had a telephonic conversation with HR.

3 rounds of DSA and 3 rounds of C++ questions asking. Then an HR interview round. Then projects asking, and asking about OS and database system process.

The interview process is a bit hard. Questions on Data Structures and Algorithms (DSA) are hard. Questions come from areas like trees, graphs, and recursion. Design questions are a bit moderate. System design questions are hard.