Hashedin interview questions
Online test → Technical → Technical → HR·59% entry level
DSA
Showing 24 of 288 reported in this area
Find the length of the longest consecutive 1s in the binary representation of a number.
Find the maximum sum contiguous subarray
Find the length of the longest substring without repeating characters.
Detect a loop in a linked list
Find the missing number in an array.
Implement a stack using a linked list
Find the Nth node from the end of a linked list
Merge two sorted arrays while maintaining order
Check whether two strings are anagrams of each other.
Implement a queue using an array with enqueue and dequeue operations
Rotate a 2D matrix.
Triplets with sum Zero
Sort the Matrix Diagonally
Evaluate an infix expression
Implement the Stock Span problem
Connect n ropes with minimum cost
Implement a stack using two queues.
Merge two unsorted lists efficiently.
Find the shortest path in a given graph.
Find the k-th largest element in an array
Write code for K rotations on a sorted array
Explain the approach to solve a graph problem.
Add 1 to a number represented as a linked list.
Perform spiral order traversal of a binary tree.
CS fundamentals
Showing 24 of 274 reported in this area
Explain ACID properties in databases.
Explain Garbage Collection in Java.
Difference between a Web Server and a Socket Server
Explain ACID properties in DBMS.
Explain setter and getter functions in C++
What is abstraction? Provide a real-life example
Write an async/await function for API calls in React.js
How do you implement multiple pages in a React.js website?
How can you render multiple images inside a component without repeating the <img> tag?
Discuss DBMS concepts and write SQL queries
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Explain the Banker's Algorithm.
What are Pure Components in React?
Explain context managers in Python.
Explain deep copy and shallow copy.
Design and write a REST API controller.
Explain HTTP, routers, and IP addresses.
Write code for implementing React Router
Explain Boyce-Codd Normal Form (BCNF) rules
Explain virtual memory in Operating Systems.
What types of servers are available in Java?
Explain CPU scheduling algorithms and paging.
Write code to demonstrate runtime polymorphism.
Explain linear regression and its implementation
Design classes and methods for a Tic Tac Toe game
System design
Showing 5 of 44 reported in this area
Design the class hierarchy for an online food delivery application.
Design a database schema for IRCTC including tables, attributes, relationships, and optimize it
Design a database for a Bank
Design a music player system like Spotify.
Design a Food Delivery Application (like Swiggy).
Behavioural
Showing 3 of 12 reported in this area
Situational questions based on Sprint planning and Agile methodologies.
If your close friend deleted important company data and your manager asks who did it, how would you respond?
Describe a time when you faced a serious problem and how you dealt with it
Puzzles
Showing 3 of 6 reported in this area
A man has a lion, a goat, and grass on one side of a river and must transport them safely across using a boat
A man has a lion, a goat, and grass on one side of a river and needs to transport all safely across. How can he do it?
There are 8 balls, one of which is defective and the other 7 have equal weight. Find the defective ball in minimum number of attempts.
Aptitude
Showing 1 of 2 reported in this area
Given integers A, B, C, and K, remove numbers from the number line starting from 1 that are multiples of A, B, or C. Return the Kth number that gets removed.
Showing 60 of 472 questions. Ranked by how often the same question came back across reports.
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What questions does Hashedin ask?
Candidate interview reports most often cover DSA (46%) and CS fundamentals (44%).
How many rounds does Hashedin interview have?
Candidate interview reports show an average of 3.7 rounds per experience, with a typical sequence of Online test → Technical → Technical → HR. Individual interview paths can vary.
Is the Hashedin interview hard?
Among questions with a reported difficulty, the mix is easy 43%, medium 49%, hard 7%.