The whole process was online. 27 students were shortlisted for the Interview. 10 got selected.
Round 1: Online Assessment
It was a written round consisting of 20 MCQs and 2 coding questions MCQs consisted of all computer science basics including SQL, DBMS, CN, and OS.
Coding Questions were:
- You are given an initial amount of charge in a mobile, it charges at different rates per minute( which were given in ranges) depending on the current charge amount. output the time required to reach a given amount of charge.
- You are given a string of characters(all lowercase) representing toys to buy and some amount of money. you can only buy consecutive toys and one certain type of toy can be bought for free, each type and cost of each item were given. you have to return a maximum number of toys that can be bought. (Solved using Sliding Window)
Round 2: Technical
Time: 1hour
- It started with my introduction. He started with https://www.geeksforgeeks.org/a-linked-list-with-next-and-arbit-pointer/amp/ and asked me about DBMS and OS concepts in between. I completely implemented the code and he was happy. Then he asked me https://www.geeksforgeeks.org/inorder-successor-in-binary-search-tree/amp/ I coded it and explained my approach he was satisfied.
- The interviewer was helping me throughout the interview.
Round 3: Technical
Time: 30 min
- It started with my introduction and discussion on OOPS concepts like difference between abstraction and encapsulation. Then he switched to DSA. The first question was variation of https://www.geeksforgeeks.org/edit-distance-dp-5/amp/ where only insert and delete operations were allowed. I started with recursion and optimized by dynamic programming and interviewer was happy. He asked me about my projects and briefly about the tech used. Then he asked me questions of CN (which I couldn’t answer). Finally he asked me a puzzle to end with and I solved it.
- The interviewer was friendly and suggested me some tips. Try to be honest and clear with your answers here, If you don’t know something admit it to the interviewer.
10 students made it to HR round
Round 4: Hr
- The HR called me and we had a great talk for about 10 minutes. He asked me about my family and how did my two interview rounds go. What made me motivated to work on my projects. What kind of work culture I preferred. Be clear and honest with your answers.
All 10 were selected including me !!
Try to be honest and be clear with your answers. I answered about 50% of questions in round-3 so, don’t hesitate to admit if you don’t know something.