Delloite Hashedin Interview Experience for SDE-1

Around 130 students were shortlisted for 1st round.

Round 1 (Coding Test): Online test was conducted on the codility platform.

• There were 3 questions which are to be solved in 1 hour and 30 minutes. 
• The questions were basically of Array or Hashmap, String, and a medium-level DP.

29 were qualified for 2nd round(interviews).

2nd Round-Technical Interview 1 (1hr 10 mins): It started with an introduction from both sides, then he asked me to choose a programming language I am comfortable with.

• I choose Java, then he asked me two DSA questions about string where we need to implement stack and one general question detect loops in a linked list, we need to provide the most optimal solutions with the time and space complexity.
• Then questions on DBMS(acid properties, different types of keys), and he asked me about sorting algorithms and the time and space complexity of all sorting algorithms. I was qualified for the next round.

Question: https://www.geeksforgeeks.org/detect-loop-in-a-linked-list/

5 out of 29 moved to the next round.

3rd Round- Technical Interview 2(1hr): 

• First was an introduction then he asked me about a DSA problem with Coin Change,
• I gave a brute force approach using recursion then I moved to optimize I was unable to give the optimal solution,
•  And then he asked me to design a food delivery website and do some queries and use the relations I build in the tables. 
• I did the questions and build a food delivery website. I got qualified for the next round.

Question: https://www.geeksforgeeks.org/coin-change-dp-7/

3 out of 5 were qualified for the next round

4th Round- Fitment Round (30 mins): In this round, they asked me about my introduction, then followed by my projects and a bit about my family and personal details. Then they asked me to tell me about a real-world problem I can fix with a project or approach about it in medical and cab services.

• Tell me about yourself.
• Family Background
• Final year project
• Why Hashedin?

I got selected.

2 out of 3 students were selected for the FTE role.

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