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SDE - 1

HashedIn
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4 rounds | 7 Coding problems

Interview preparation journey

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Preparation
Duration: 4 months
Topics: Data Structures, Algorithms, System Design, Greedy, Computer Networks
Tip
Tip

Tip 1 : Have a good grasp on DSA
Tip 2 : Have a good projects
Tip 3 : do internships if possible

Application process
Where: Campus
Eligibility: 8 CGPA
Resume Tip
Resume tip

Tip 1 : Dont't put any false information in resume
Tip 2 : Have resume on your fingertips

Interview rounds

01
Round
Easy
Online Coding Interview
Duration110 minutes
Interview date29 Apr 2022
Coding problem3

Online test was consist of 3 coding problems ranging between easy to medium leetcode levels. 

First two question were based on array and strings you just had to keep edge test cases in mind and you were good, last question was from dp,

1. Modified Ludo

Moderate
25m average time
80% success
0/80
Asked in companies
AmazonPark+HashedIn

You are given a board of‘ ‘N’ size. You can roll a dice...

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Try solving now

2. NINJA'S INTERVAL

Easy
15m average time
85% success
0/40
Asked in companies
MicrosoftHashedIn

Ninja is assigned some task to...

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3. Count Set Bits

Hard
15m average time
85% success
0/120
Asked in companies
OlaQualcommAmazon

You are given a positive integer ‘N’. Your task is to find the total number of ‘1’ in the binary representation of all the numbers from 1 to N.

Since the count of...

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02
Round
Easy
Telephonic
Duration60 minutes
Interview date6 May 2022
Coding problem2

Intro
interviewer was very good he made comfortable enviroment

1. Technical Questions

Rapid-fire questions on DBMS, Networking, Operating systems.
What is a deadlock? Different conditions to achieve a deadlock.
Difference between process and program and thread? Different types of process.
Inner and Outer Join
What is normalization ? Types of normalization.
Types of osi layers

Problem approach

Tip 1 : revise throughly

2. Maximum Subarray Sum

Moderate
0/80
Asked in companies
AmazonOracleOptum

You are given an array/list ARR consisting of N integers. Your task is to find the maximum possible sum of a non-empty subarray(contagious) of this array.

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Problem approach

Use kadene's algorithm

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03
Round
Medium
Video Call
Duration60 Minutes
Interview date10 May 2022
Coding problem1

interviewer was very good he asked my intro and then jumped to projects discussion.

1. System Design Question

Design Ludo Game with a Highly scalable capability.

Problem approach

Tip 1 : Users should be able to join a game with a unique code.
Tip 2 : At most 4 years can only join a game.
Tip 3 : Players can roll dice, move their coins, and valid actions against the results of dice.

04
Round
Easy
HR Round
Duration40 minutes
Interview date12 May 2022
Coding problem1

HR was very supportive.

1. Basic HR Questions

Why HashedIn 

Team player or lone wolf 

Experience of teamwork 

How do you motivate peers 

A little intro about the company – HashedIn University 

Hobbies and Interests

Problem approach

Tip 1 : Be confident
Tip 2 : go through about hashedin

Here's your problem of the day

Solving this problem will increase your chance to get selected in this company

Is method overloading possible by changing the return type?

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