HashedIn interview experience Real time questions & tips from candidates to crack your interview
SDE - 1
HashedIn
4 rounds | 4 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 6 Months
Topics: Data Structures, OOPS, Java, Operating System, DBMS, SQL
Tip 1 : Give mock interview as much as you can.
Tip 2 : Be confident in the interview.
Tip 3 : Try to explain your logic to yourself whenever you are preparing. It will help you in the real interview
Tip 4 : Make one or two good project (good project means using functionalities like database, authentication).
Application process
Where: Referral
Eligibility: No criteria
Tip 1 : Explain your project briefly in your resume.
Tip 2 : Write only those points in the resume that is linked to this profile.
Interview rounds
01
Round
Medium
Online Coding Interview
Duration90 minutes
Interview date9 Jun 2021
Coding problem1
There was three questions in the test. I was able to solve 2.5 questions. 2 Questions was of medium difficulty and one was easy.
1. Convert A Given Number To Words
Easy
15m average time
80% success
0/40
Asked in companies
Given an integer number ‘num’. Your task is to convert ‘num’ into a word.
Suppose the given number ‘num’ is ‘9823’ then you have to return a string “nine thousand eight hundred twenty three” that is word conversion of the given ‘num’ 9823.
Problem approach
I created two array, 1st one is for tens places and 2nd is for ones places and then divide the number by 10 and use tense place in the first array and ones place for 2nd array
02
Round
Medium
Video Call
Duration60 Minutes
Interview date17 May 2022
Coding problem1
Interviewer asked me 2 DSA question and 10 short answer type questions.
Timing around 1 hour.
Interview was on zoom and we can use our own editor, for eg I used Vs Code.
Interviewer was very helpful. He helps me finding the edge cases.
1. Cycle Detection in a Singly Linked List
Moderate
15m average time
80% success
0/80
Asked in companies
You are given a Singly Linked List of integers. Return true if it has a cycle, else return false.
A cycle occurs when a node's next points back to a previous node in the list.
Example:
In the given linked list, there is a cycle, hence we return true.
Problem approach
I use slow and fast pointer approach to solve this problem. Fast pointer move in the double speed as compare to slow pointer and if they meet while traversing the linkedlist then there is a loop otherwise no loop
03
Round
Medium
Video Call
Duration60 Minutes
Interview date18 May 2022
Coding problem1
Total duration of the round is 60 minutes.
Interview was on zoom. we can use any editor.
It was Design round.
1. System Design Question
I have to design Social media platform with all the features like friend requests and post etc.
Problem approach
Tip 1 : Ask as many question as you can to get familiar with the statement.
Tip 2 : Tell him the approach first before start coding.
Tip 3 : Use efficient data structure for storing and time complexity wise
04
Round
Easy
HR Round
Duration20 Minutes
Interview date19 May 2022
Coding problem1
Duration of this round is 20 minutes.
Interview was on zoom.
Interviewer was very friendly.
1. Basic HR Questions
She asked me my introduction first. then some questions related to my project and some behavioral questions and 1 scenario question.
What are your hobbies?
How do you manage your time?
Problem approach
Tip 1 : Be confident.
Tip 2 : Read about the company
Tip 3 : Prepare 50 most common HR Questions
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
How do you remove whitespace from the start of a string?
Choose another skill to practice
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