HBHashedIn by Deloitte DSA Interview Questions

What HashedIn by Deloitte asks in the DSA round

HashedIn runs an aptitude and coding assessment first, then medium DSA, SQL and a machine-coding round on a small product feature.

Across the 36 questions on this page, the weight sits on these patterns:

• Dynamic Programming — 12 questions · read the dynamic programming guide
• Binary Search — 3 questions · read the modified binary search guide
• Greedy — 3 questions · read the greedy guide
• Two Pointers — 3 questions · read the two pointers guide
• Database — 2 questions
• Hash Table — 2 questions
• Sliding Window — 2 questions · read the sliding window guide
• Backtracking — 1 question · read the backtracking guide

How to prepare for the HashedIn by Deloitte interview

1. 1. Start at the top of the list above. The patterns are ordered by how often HashedIn by Deloitte uses them, so the first two or three buy you the most coverage per hour.
2. 2. Solve by pattern, not at random. Doing eight dynamic programming problems in a row is what makes the ninth recognisable in an interview — jumping between topics does not.
3. 3. Tick problems off as you go so the gaps are visible. The per-pattern counts tell you which HashedIn by Deloitte topic you have actually covered.
4. 4. Write the approach before the code. HashedIn by Deloitte interviews are judged on the reasoning as much as the working solution.
5. 5. Pair this with the pattern guides when a topic is new, and the system design sheet if the role is senior enough to have that round.
6. 6. If this is a campus or off-campus drive rather than a lateral move, the placement preparation guide covers the stages around the DSA round — aptitude, core subjects and the HR interview — in the order they actually happen.

HashedIn by Deloitte interview questions — FAQ

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