Round 1: It is an Online Assessment round. There are 2 DSA questions and 25 computer fundamental MCQ. The first DSA question is palindrome, and the second one is a very hard DP problem. Round 2: Technical Interview. It consist of question on project and medium leetcode DSA questions and OOPS concepts Round 3: Technical Interview. It consist of hard DSA questions and Computer Networks questions.
I applied through university. The process took 1 day. I interviewed at BYJU'S (Patiala) in Aug 2022
Interview
It was and on-campus placement drive with in-person interviews. First there was shortlisting based upon CGPA. Then an online test was conducted. After the shortlisting from the above test, 2 Rounds of technical interviews were conducted.
Interview questions [1]
Question 1
Some questions on my Resume and CS fundamentals.
Then there were 2 DSA questions with many modifications as progressed.
Q1: Balanced parentheses.
Q2: Infix to postfix conversion
Then 2 DBMS queries were asked.
Round 2:
Q1: Cycle Detection and removal in Linked List
Q2: 2 arrays - in time and out time of customers are given, you have to tell the max number of customers present at any time.
Q3: A valid BST is made invalid by swapping 2 nodes. You have to make it valid again. A follow up on the same if more than 1 pair of nodes are swapped.