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ClearTrail Technologies Software Developer Interview Questions and Answers

Updated 14 Sep 2021

ClearTrail Technologies Software Developer Interview Experiences

1 interview found

I was interviewed before Sep 2020.

Round 1 - Face to Face 

(2 Questions)

Round duration - 25 minutes
Round difficulty - Easy

This was face to face interview round. All questions asked by the interviewer were based on data structures.

  • Q1. How do you detect a loop in a linked list?
  • Ans. 

    Detecting a loop in a linked list involves using two pointers to traverse the list, one moving one node at a time and the other moving two nodes at a time.

    • Start with two pointers at the beginning of the linked list.

    • Move one pointer one node at a time and the other pointer two nodes at a time.

    • If there is a loop, the two pointers will eventually meet at the same node.

  • Answered by AI
  • Q2. Check whether two given strings are anagrams of each other.
  • Ans. 

    Check if two strings are anagrams of each other.

    • Create character frequency maps for both strings

    • Compare the frequency maps to check if they are equal

    • Handle edge cases like case sensitivity and whitespace

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from JAYPEE INSTITUTE OF INFORMATION TECHNOLOGY. I applied for the job as SDE - 1 in IndoreEligibility criteria6.5 CGPACleartrail Technologies interview preparation:Topics to prepare for the interview - Data Structures and Algorithms, Operating System, Computer Networks, Security, and Authentication.Time required to prepare for the interview - 1.5 MonthsInterview preparation tips for other job seekers

Always be confident in front of the interviewer but don’t be overconfident. Also for interview preparation, I took course from CodingNinjas which was a game-changer for me as I got to know all the important concepts and questions which are asked in interviews.

Application resume tips for other job seekers

Be honest on resume. Keep it subtle. Even if you are a good Competitive programmer, don’t brag during interviews.

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview questions from similar companies

Interview Preparation Tips

Round: Test
Experience: Apti was quite easy . In Basic CS concepts software engineering is prominent.
Tips: Brush up Software Engineering before written test
Duration: 90 minutes
Total Questions: 50

College Name: NIT BHOPAL

I was interviewed in Apr 2017.

Interview Questionnaire 

2 Questions

  • Q1. Java questions...
  • Q2. Tell me about urself and about us family and all
  • Ans. 

    I am a software developer with a passion for coding and problem-solving. My family is supportive and has always encouraged my career in tech.

    • Experienced software developer

    • Passionate about coding and problem-solving

    • Supportive family that encourages my career in tech

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: Easy questions are there
Duration: 1 hour
Total Questions: 90

Round: Group Discussion
Experience: 12 members are there only 9 got selected
Tips: Be confident in urself and specially work in Communication skills
Duration: 15 minutes

Round: Technical Interview
Experience: Asking all the concepts of Java like oops collections threads
Tips: Prepare well on Java

Round: HR Interview
Experience: Everything was Gud but due to my certificate problem I got rejected.. Otherwise everything is good.
Tips: Be confident

College Name: C. V. Raman College of Engineering

I was interviewed before Mar 2021.

Round 1 - Face to Face 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Easy

This was an easy round which went really smooth.

  • Q1. 

    Nth Fibonacci Number Problem Statement

    Calculate the Nth term in the Fibonacci sequence, where the sequence is defined as follows: F(n) = F(n-1) + F(n-2), with initial conditions F(1) = F(2) = 1.

    Input:

    ...
  • Ans. 

    Calculate the Nth Fibonacci number efficiently using dynamic programming.

    • Use dynamic programming to store previously calculated Fibonacci numbers to avoid redundant calculations.

    • Start with base cases F(1) and F(2) as 1, then iteratively calculate F(n) using F(n-1) and F(n-2).

    • Ensure the input N is within the constraints 1 <= N <= 10000.

    • Example: For N = 5, the 5th Fibonacci number is 5 (1, 1, 2, 3, 5).

  • Answered by AI
  • Q2. 

    Prime Numbers Problem Statement

    Given a positive integer N, your task is to determine and return all prime numbers less than or equal to N.

    Input:

    N = 10

    Output:

    2 3 5 7

    Example:

    Input:
    N = 20
    Out...
  • Ans. 

    Implement a function to return all prime numbers less than or equal to a given positive integer N.

    • Create a function that takes a positive integer N as input

    • Iterate from 2 to N and check if each number is prime

    • Use a helper function to determine if a number is prime

    • Return an array of all prime numbers less than or equal to N

  • Answered by AI
  • Q3. What is a merge join in SQL?
  • Ans. 

    A merge join in SQL is a method of combining two sorted datasets by matching corresponding rows based on a specified condition.

    • Merge join is used when joining two large datasets that are already sorted.

    • It is more efficient than other join methods like nested loop join or hash join for sorted datasets.

    • The join condition must be an equality condition.

    • Example: SELECT * FROM table1 INNER JOIN table2 ON table1.id = table2.i

  • Answered by AI
Round 2 - HR 

Round duration - 30 minutes
Round difficulty - Easy

The round went excellent. I really enjoyed it. Just be confident about whatever you answer

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPALarsen & Toubro Infotech (LTI) interview preparation:Topics to prepare for the interview - Database, Basic C/C++, Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

I was interviewed before Mar 2021.

Round 1 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Easy

This round went well. Interview depends on your basic knowledge of C/C++.

  • Q1. 

    Matrix Multiplication Task

    Given two sparse matrices MAT1 and MAT2 of integers with dimensions 'N' x 'M' and 'M' x 'P' respectively, the goal is to determine the resulting matrix produced by their multipl...

  • Ans. 

    Implement a function to multiply two sparse matrices and return the resulting matrix.

    • Create a function that takes two sparse matrices as input and returns the resulting matrix after multiplication

    • Iterate through the non-zero elements of the matrices to perform the multiplication efficiently

    • Handle the edge cases such as empty matrices or matrices with all zero elements

    • Ensure the dimensions of the matrices are compatible

  • Answered by AI
  • Q2. 

    Problem: Count Even or Odd in Array

    Tanmay and Rohit are best buddies. Tanmay gives Rohit a challenge involving an array of N natural numbers. The task is to perform and answer a series of queries on the ...

  • Ans. 

    Count the number of even or odd numbers in a range of an array based on given queries.

    • Create an array to store the input numbers.

    • Iterate through the queries and update or count even/odd numbers based on the query type.

    • Output the count of even or odd numbers for each query of type 1 or 2.

  • Answered by AI
Round 2 - HR 

Round duration - 30 minutes
Round difficulty - Easy

Typical HR round with behavioral problems.

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPALarsen & Toubro Infotech (LTI) interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

I was interviewed in Jul 2017.

Interview Questionnaire 

1 Question

  • Q1. Android basics and programs

Interview Preparation Tips

Round: Resume Shortlist
Experience: Resume shortlisted on the basis of 60% through out and experience in development more than 6 months.

Round: Technical Interview
Experience: Core java.. String, oops, exception,

Round: HR Interview
Experience: As usual.. tell me about your self.expectations and salary discussion.
Tips: Be confident whatever you say.

I was interviewed in Apr 2017.

Interview Questionnaire 

2 Questions

  • Q1. What is firmware and where it is used?
  • Ans. 

    Firmware is a type of software that is embedded in hardware devices to control their functionality.

    • Firmware is a combination of hardware and software.

    • It is used to control the behavior of hardware devices.

    • Firmware is typically stored in non-volatile memory, such as ROM or flash memory.

    • Examples of devices that use firmware include routers, printers, and digital cameras.

  • Answered by AI
  • Q2. Tell me about yourself only.
  • Ans. 

    I am a passionate software developer with experience in building web applications and solving complex problems.

    • Experienced in programming languages such as Java, JavaScript, and Python

    • Familiar with front-end technologies like HTML, CSS, and React

    • Strong problem-solving skills and ability to work in a team environment

    • Previous projects include developing a customer management system for a small business

  • Answered by AI

Interview Preparation Tips

Round: aptitude
Experience: the test had around 70 questions to be answered in 1 hour
Tips: keep watch on time and be quick enough because each sections has sectional cutoff.

Round: Technical Interview
Experience: the test had around 70 questions to be answered in 1 hour
Tips: keep watch on time and be quick enough because each sections has sectional cutoff.

Round: HR Interview
Experience: they tested my core knowledge and learning skill.
Tips: be strong in your basics.

Skills: Ability To Think Beyond Boundaries
College Name: mnm jec

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. What is your activity
  • Ans. 

    As a software developer, my activity involves designing, coding, testing, and maintaining software applications.

    • Designing software architecture and user interfaces

    • Writing code in programming languages such as Java, Python, or C++

    • Testing software to ensure it meets requirements and is free of bugs

    • Maintaining and updating software to keep it running smoothly

    • Collaborating with other developers and stakeholders to ensure p

  • Answered by AI

Interview Preparation Tips

Round: Resume Shortlist
Experience: Tell in detail about what happened
Tips: Provide tip for specily

Round: HR Interview
Experience: Tell in detail about what happened
Tips: Provide tip for specily

Round: Test
Experience: Tell in detail what all happened
Tips: Provide tips specially

Software Developer Interview Questions & Answers

Wipro user image V LAKSHMI NARAYANA

posted on 1 Dec 2015

Interview Preparation Tips

Round: Test
Experience: Online written Test was conducted 54 students wrote the test. Interviews.13 people were shortlisted for this round.

Round: Technical Interview
Experience: Check out "Buckys tutorials" for learning programming languages The link is " -----/". Learning C and one object oriented language(C++ or JAVA) will prove helpful in the interviews. Be thorough with the concepts or subjects specific to your branch.

Round: HR Interview
Experience: Be confident and be frank.Be what you are as the interviewers are smart enough to evaluate who you are. While answering the questions asked maintain eye contact with the interviewer.

General Tips: It was quite challenging nevertheless it was exhausting too as we were made to wait till evening. At the end of the day it was worth the effort.
Software Developer.One can ask questions in order to know the company better.Some examples are about company work culture, career growth...moving up in different verticals like Management and Technical etc.
Skill Tips: Focus Prepare C and general aptitude to get through the written test round.Try to learn things which aren't included in your curriculum and which may come handy at the time of interviews.For example, learning data structures, and C++ ,JAVA will be useful when someone goes for a software interview.
Skills:
College Name: NIT Surathkal

I applied via Campus Placement and was interviewed before Nov 2015. There were 5 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Short interview to check knowledge and experience
  • Q2. Idk what this is called

Interview Preparation Tips

Round: Test
Experience: simple!
Tips: keep calm and talk little, unless they ask, at which point you should explain everything as briefly as you can

Round: Technical Interview
Experience: be thorough with what your works, if are planning on putting something you have a very vague idea only, be warned!
Tips: keep calm and talk little, unless they ask, at which point you should explain everything as briefly as you can

Round: HR Interview
Experience: I went in, he asked me about my family, I said" mine is a small family, father, mother and I have sister", he asked me about languages, i said i know hindi english basic chinese ......, he stops me and asks me about the coding languages I know. I was sent out, don't know what this interview was even about
Tips: keep calm and talk little, unless they ask, at which point you should explain everything as briefly as you can

Skills: Approaching A Problem, Ability To Analyse, Basic Coding
Duration: 2
College Name: IIT Madras
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