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HackerRank Intern Interview Questions and Answers

Updated 27 Nov 2024

HackerRank Intern Interview Experiences

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Intern Interview Questions & Answers

user image Anonymous

posted on 27 Nov 2024

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Nov 2023. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Project discussion
  • Q2. Technical Project discussion

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in Aug 2024. There were 2 interview rounds.

Round 1 - Coding Test 

Machine coding round

Round 2 - Technical 

(2 Questions)

  • Q1. About projects, like the what stack used
  • Q2. Hr question about why to join browserstack

Interview Preparation Tips

Round: Test
Experience: PAPER DURATION: 3 hours
NO. OF QUESTIONS: 2 (20 marks each)
MAXIMUM MARKS: 20*2 = 40 marksQUESTION 1:
JSON Prettier:-Write a program which takes JSON as input and gives prettified JSONYou need to read JSON from STDIN. Input gives one line of uglified JSON.Output should be formatted JSON. Check the standard output link.Use 2 white spaces (not‘\t’) for one indentation.SAMPLE INPUT:{“group” : {list : [1,2,3]}, “list” : [“a”,”b”,”c”]}SAMPLE OUTPUT:{“group” : {List : [1,2,3]},“list” : [“a”,”b”,”c”]}EXPLANATION: Input will be uglifiedjson in one line and output will be prettified format of that. QUESTION 2:XML parse plus series computationEvaluate an expression given in XML format. Keys will be Expr- contains the entire expression. Elem – contains the digit, sum, Prod- contains two or more keys whose evaluation needs to be summed or multiplied respectively. Sub will contain 2 keys or more, where the second key onwards will have to be subtracted from the first one. Div- will contain 2 keys in which first key will need to be divided by second. SAMPLE INPUT:4673 SAMPLE OUTPUT:
20EXPLANATION:Input will be xml file through standard input. End of xml file marked by .
Duration: 180 minutes
Total Questions: 2

College Name: NA
Interview experience
3
Average
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
No response

I applied via LinkedIn and was interviewed in Aug 2024. There was 1 interview round.

Round 1 - Coding Test 

1 hr test on HackerEarth platform, DSA questions

I applied via Referral and was interviewed before Jul 2021. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(6 Questions)

  • Q1. Question on anagram whether we can form with given strings
  • Q2. Play random song from list without repetition
  • Ans. 

    Use Fisher-Yates shuffle algorithm to play songs randomly without repetition.

    • Create an array of songs

    • Use Fisher-Yates shuffle algorithm to shuffle the array

    • Play the first song in the shuffled array

    • Remove the first song from the array

    • Repeat steps 3-4 until all songs have been played

  • Answered by AI
  • Q3. Reverse the linked list
  • Ans. 

    Reverse a linked list

    • Iterate through the linked list and change the direction of the pointers

    • Keep track of the previous, current, and next nodes

    • Set the head of the linked list to the last node after reversing

  • Answered by AI
  • Q4. Range sum with the queries
  • Q5. Hashing on 2d matrix counting max 1
  • Ans. 

    Hashing algorithm to count maximum number of 1s in a 2D matrix.

    • Create a hash table to store the count of 1s in each row.

    • Traverse through each row and update the count in the hash table.

    • Find the row with the maximum count of 1s in the hash table.

    • Return the count of 1s in that row.

  • Answered by AI
  • Q6. React interviews hooks

Interview Preparation Tips

Interview preparation tips for other job seekers - Data structure is basic and javascript question were also medium

Skills evaluated in this interview

Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed before Aug 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

It was deciphering spoken language to subtitle for a complicated accented show

Round 2 - HR 

(2 Questions)

  • Q1. Why do you want to work here?
  • Ans. 

    I am passionate about the company's mission and values, and I believe my skills and experience align well with the opportunities here.

    • Passionate about company's mission and values

    • Skills and experience align well with opportunities

    • Excited about potential for growth and development

  • Answered by AI
  • Q2. What are you passionate about that made you apply for this job?
  • Ans. 

    I am passionate about using data analysis to drive business decisions and improve processes.

    • I have always been fascinated by the power of data to uncover insights and drive strategic decision-making.

    • I enjoy working with large datasets and using statistical tools to extract meaningful information.

    • I believe that data-driven decision-making is crucial for businesses to stay competitive in today's market.

    • For example, in my...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be good at the language you are applying for
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

It was a Basic Aptitude Test

Round 2 - Coding Test 

We were asked to do Sorting, SQL queries (join)

Round 3 - HR 

(1 Question)

  • Q1. Can you tell me about yourself?
  • Ans. 

    I am a passionate software engineer with 5 years of experience in developing web applications using various technologies.

    • 5 years of experience in software development

    • Proficient in developing web applications

    • Skilled in using various technologies such as Java, JavaScript, and SQL

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Jun 2022. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(3 Questions)

  • Q1. Linux commands,
  • Q2. Cloud technologies different services (iaas, paas, saas)
  • Ans. 

    Cloud technologies offer different services like IaaS, PaaS, and SaaS for varying levels of control and management.

    • IaaS (Infrastructure as a Service) provides virtualized computing resources over the internet, such as virtual servers and storage.

    • PaaS (Platform as a Service) offers a platform allowing customers to develop, run, and manage applications without dealing with infrastructure.

    • SaaS (Software as a Service) deli...

  • Answered by AI
  • Q3. What do you know AWS

Interview Preparation Tips

Interview preparation tips for other job seekers - Brush up OS basics and cloud technologies.

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed before Apr 2023. There were 3 interview rounds.

Round 1 - Coding Test 

There was coding test

Round 2 - Technical 

(2 Questions)

  • Q1. 2 technical rounds
  • Q2. Merge sort algorithm
  • Ans. 

    Merge sort is a divide and conquer algorithm that divides the input array into two halves, sorts them separately, and then merges them back together in sorted order.

    • Divide the input array into two halves

    • Recursively sort each half

    • Merge the sorted halves back together

  • Answered by AI
Round 3 - Behavioral 

(1 Question)

  • Q1. Leetcode Easy question

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-

I applied via Campus Placement

Round 1 - Coding Test 

Machine coding round

Round 2 - Technical 

(2 Questions)

  • Q1. TCP/IP related questions, what happens when you search a webpage?
  • Q2. Past projects discussions
Round 3 - HR 

(1 Question)

  • Q1. Behavioural questions on how would you tackle a particular scenario

HackerRank Interview FAQs

How many rounds are there in HackerRank Intern interview?
HackerRank interview process usually has 1 rounds. The most common rounds in the HackerRank interview process are Technical.
How to prepare for HackerRank Intern interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at HackerRank. The most common topics and skills that interviewers at HackerRank expect are Analytical, B2B, B2C, Internship and Management.
What are the top questions asked in HackerRank Intern interview?

Some of the top questions asked at the HackerRank Intern interview -

  1. Technical Project discuss...read more
  2. Project discuss...read more

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HackerRank Intern Interview Process

based on 1 interview

Interview experience

5
  
Excellent
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