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HashedIn by Deloitte Interview Experience for SDE Intern+FTE | On-Campus 2024

Round 1: Online Assessment (90 mins)

Questions:

  1. Candies Allocation Problem (Easy one using greedy Approach).
  2. A Binary String Problem to find the maximum number of ones after flipping all the digits within a continuous range (Medium to Tough Difficulty Level).
  3. A variant of the Problem Related to Next Greater element in an array (Medium Difficulty).
Candidate's Approach

Consistent practice, especially from platforms like GFG and Leetcode, helped in solving all three questions.

Interviewer's Feedback

No feedback provided.


Round 2: Technical Interview 1 (45-50 min)

Questions:

  1. Missing and Repeating element in an Array.
  2. Find Pairs whose sum equal to a target sum.
  3. Find Longest Palindromic Substring in an Array.
  4. Merge K sorted Lists.

DBMS-related questions:

  1. Difference between Unique and Primary key.
  2. Difference Between Where and Having Clause.
  3. What Are SQL Commands.
  4. SQL query related questions which involved some basic DDL queries.
  5. What are React Hooks (Since I mentioned React in my resume).
  6. How does JWT Authentication Work.
Candidate's Approach

Started with brute force approaches for the DSA questions and optimized them to better and optimal solutions. Encountered some difficulty while optimizing the fourth problem.

Interviewer's Feedback

The interviewer seemed satisfied with the responses.


Round 3: Technical Interview 2 (1 hr 10min)

Questions:

Candidate's Approach

Solved the graph problem using DFS (Depth First Search). Successfully designed a database for a restaurant table booking application, including schema design, creating an ERD (Entity-Relationship Diagram), and writing queries for all requested features.

Interviewer's Feedback

No feedback provided.


Round 4: HR/Managerial Interview (20 min)

Questions:

  1. From which place do I belong?
  2. A brief introduction about my family.
  3. What can I bring to HashedIn?
  4. Why should they hire me?
  5. What do I know about HashedIn?
  6. Situation-based questions (2-3).
Candidate's Approach

Answered all questions confidently.

Interviewer's Feedback

No feedback provided.