32 questions · from 6 interviews
Quince interview questions
Every question candidates reported from their Quince interviews, most frequently asked first. Each links to the write-up it came from, so you can see the round and how it went.
Quince coding and DSA questions
- 01
Minimum Sprinklers to Cover Range
We are given an array ranges where the sprinkler at index i covers the interval [i - ranges[i], i + ranges[i]]. Find the minimum number of sprinklers required to cover the entire range.
Medium · From Quince OA Experience | 2 Coding Questions
- 02
String K Subsequence Repetition
Given strings str1 and str2 and an integer k, determine if str2 repeated k times can be formed as a subsequence of str1 (allowing deletions).
Hard · From Quince OA Experience | 2 Coding Questions
- 03
Meeting Rooms 2
Given an array of meeting time intervals intervals where intervals[i] = [starti, endi], return the minimum number of conference rooms required.
Medium · From Quince SDE-2 Backend Interiew Experience | Reject | Dec 2025
- 04
Find Minimum in Rotated Sorted Array
Given the sorted rotated array nums of unique elements, return the minimum element of this array.
Medium · From Quince SDE-2 Backend Interiew Experience | Reject | Dec 2025
- 05
Aggressive Cows
Given a list of stall positions and an integer k, place k cows into the stalls such that the minimum distance between any two cows is as large as possible.
Medium · From Quince SDE-2 Backend Interiew Experience | Reject | Dec 2025
- 06
Target Sum
You are given an integer array nums and an integer target. You want to build an expression out of nums by adding one of the symbols '+' or '-' before each integer in nums and then concatenate all the integers. Return the number of different expressions that…
Medium · From Quince SDE-2 Backend Interiew Experience | Reject | Dec 2025
- 07
Count Towers based on Adjacent Towers
A 2D Array based question where I needed to find the count of towers based on their adjacent towers. A simple iteration approach was sufficient.
Easy · From Quince SDE-2 Interview Experience
- 08
Longest Substring Without Repeating Characters
Given a string s, find the length of the longest substring without repeating characters.
Medium · From Quince SDE-2 Interview Experience
- 09
Asteroid Collision
The problem 'Asteroid Collision' from LeetCode.
Medium · From Quince Interview Experience – SDE 2 ( Rejected )
- 10
Search in a Sorted 2D Matrix
The problem 'Search in a Sorted 2D Matrix'.
- 11
Top K Frequent Words
The problem 'Top K Frequent Words'.
- 12
- 13
Kth Largest Element in an Array
Kth Largest Element in an Array
- 14
Number of Islands in an Infinitely Large Grid
There is an n x m infinitely large grid containing water. - At any time, we can convert a water cell into land - At any time, we may be asked: how many islands are there? - Land conversions and island queries can happen repeatedly
- 15
Trapping Rainwater
Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it can trap after raining. I was specifically asked to implement both the prefix sum approach and the two-pointer approach, and then run the…
Quince system design questions
- 01
Low-Level Design (LLD) of a Restaurant Management System
Design the Low-Level System for a Restaurant Management System, covering entities, APIs, database schema, design patterns, concurrency handling, and specific functionalities like booking a table and canceling a booking.
Hard · From Quince SDE-2 Backend Interiew Experience | Reject | Dec 2025
- 02
High-Level Design (HLD) of a Feature Flag Service
Design a High-Level System for a Feature Flag Service.
Hard · From Quince SDE-2 Backend Interiew Experience | Reject | Dec 2025
- 03
Design an Elevator System
Design an elevator system. The problem statement focused on how internal and external requests should be served. I struggled a bit on how to serve the requests, initially choosing the wrong data structure for keeping the list of requests, but corrected it…
- 04
Design Chess
LLD-focused question on OOP design, piece movement, board representation, etc.
- 05
Design SplitWise
Design the SplitWise application.
- 06
Design Meeting Room Booking System
Requirements: - Multiple meeting rooms in a building - Add meeting rooms with capacity - Book a room for a time slot - Same room can be re-booked after the slot ends - Choose optimal room based on participant count - Send notification after scheduling - Add…
- 07
Restaurant Management System Design
Design a comprehensive Restaurant Management System. This involved detailed discussions on: Defining appropriate Entity-Relations. Designing robust APIs for various functionalities. Applying SOLID principles and relevant Design Patterns. Implementing a…
- 08
Ludo Game Design
Design a Ludo Game from scratch. The discussion points included: Developing a suitable API design for game interactions. Identifying and defining the actors involved and their use cases. Exploring and integrating websocket use cases within the game's…
Quince behavioural and HR questions
- 01
Quince Platforms Supported
What platforms do you support?
- 02
Quince Revenue & Order Breakdown
Revenue & order breakdown:
- 03
Why Quince SDE 2 Role?
Why do you want to join Quince? - What are you looking for in this role?
- 04
What do you know about Quince?
What do you know about Quince?
- 05
Quince's Problem Solving Approach
What problem is Quince solving and how?
- 06
Quince's Work Culture
Company’s work culture discussion
- 07
Motivation to Join Quince
Why do you want to join Quince? - What motivates you to join us?
- 08
Conflict of Beliefs
Have you ever acted differently from what you believed was right?
- 09
Short-Term Gain vs. Long-Term Issue
Any instance where you chose a short-term gain but missed a long-term issue?
Quince interview questions FAQ
What questions are asked in Quince interviews?
Candidates reported 32 distinct questions across 6 Quince interviews. 15 coding and DSA questions, 8 system design questions, 9 behavioural and HR questions.
How difficult are Quince interview questions?
Of the questions candidates rated, 9% were easy, 64% medium and 27% hard.