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Contlo Interview Questions and Answers

Updated 24 May 2024

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Web Developer Interview Questions & Answers

user image Shivam Khandelwal

posted on 14 Oct 2023

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

I applied via Campus Placement

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 - Coding Test 

Coding test was consist of 5 questions. Related to all the dsa topics

Round 3 - Technical 

(3 Questions)

  • Q1. Reverse linked list
  • Q2. Tell me about ur projects
  • Q3. Some oops concepts

Web Developer Interview Questions asked at other Companies

Q1. Last Index of Element The task is to determine the index of the last occurrence of a specified element x within an array that may contain duplicate elements. If the element is not present, return -1. Input: The first line contains an intege... read more
View answer (1)
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(2 Questions)

  • Q1. Tell me about yourself
  • Q2. Which was a product where you helped the company to move the needle
  • Ans. 

    I helped the company increase sales by 20% with a new feature on our flagship product.

    • Introduced a new feature based on customer feedback and market research

    • Collaborated with cross-functional teams to implement the feature successfully

    • Conducted A/B testing to optimize the feature for maximum impact

  • Answered by AI
Round 2 - One-on-one 

(1 Question)

  • Q1. Genral questions like, tell me about your self and CV related

Product Manager Interview Questions asked at other Companies

Q1. You see the number of people cancelling the order increasing. Cancel window 24 hours. What would you do?
View answer (26)

SDE Interview Questions & Answers

user image Anonymous

posted on 18 May 2024

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

I applied via Campus Placement and was interviewed before May 2023. There were 3 interview rounds.

Round 1 - Coding Test 

5 questions of various level of difficulty

Round 2 - Technical 

(1 Question)

  • Q1. Rapid fire technical round with 1 problem solving
Round 3 - Technical 

(1 Question)

  • Q1. Final technical round with 1 problem solving question

Interview Preparation Tips

Topics to prepare for Contlo SDE interview:
  • dsa
  • os
  • dbms
  • oops
  • system design
Interview preparation tips for other job seekers - Good experience

SDE Interview Questions asked at other Companies

Q1. Return Subsets Sum to K Problem Statement Given an integer array 'ARR' of size 'N' and an integer 'K', return all the subsets of 'ARR' which sum to 'K'. Explanation: A subset of an array 'ARR' is a tuple that can be obtained from 'ARR' by r... read more
View answer (1)

Interview questions from similar companies

Interview Preparation Tips

Round: Technical Interview
Experience: Interviews were driven to know the candidate better and their capabilities. They also didn’t waste much time asking students who they were sure not to recruit and conducting reasonably long interviews.

General Tips: Do’s :
1. Start preparing with the start of the summers.
2. Concentrate on your own preparation and not on what others are doing.
3. Keep the preparation time of HR to maximum 20 hours because HR accounts for just 20% weightage in your selection procedure.
4. Have patience.
5. Prepare every point written in the resume such that you are able to speak for at least 3 min on the subject. You might gain bonus points if you are aware of some latest developments or strategic changes in the field.

Don’ts :
1. Never bog down when you are either not shortlisted in the company who have been aiming for or when even after practice you are not getting the correct way.
2. Do not form very large groups for the preparation. Try making the preparation time that you spend with the group as efficient as possible with the least of bulla sessions.

College Name: IIT Kanpur

Interview Preparation Tips

Round: Group Discussion
Experience: GD was conducted for shortlisted candidates and candidates were divided into groups of 6 people.There were 3 topics and each topic was discussed for 2 minutes.No specific rules,like each person needs to speak,are to be followed during the GD.Anyone can initiate,intervene,etc. Finally we were asked to link all three topics and this discussion went on for another 2 minutes.

Round: HR Interview
Experience: Only a single round lasting about 40-45 minutes.There were only 4 people in the panel and technical as well as HR questions were asked. First I was asked to go through my own resume, “Introduce/Tell us about yourself?".  E.g.:“Where have you shown leadership qualities?Have you led a
team?Size of team? What new initiatives did you take?”.Core questions starting form basics like “How does an airplane fly?” to specific questions about the different types of engines used in airplanes,their specifications, etc. were asked. HR questions were put up like"What was the most difficult decision in your life?" and grilled on my internship for 15-20 minutes which I did in Transocean. (Another oil field services company).

General Tips: You need to be very good in the basics of your
core courses and if you have done an internship in the oil industry,
you will definitely be grilled on that.Questions will be asked in quick succession.
Skill Tips: Highlight any intern in Oil industry or anything related to that in your resume.Any POR or any sport activity which shows your leadership qualities should me mentioned in your resume.
Skills: Leadership qualities, Athletic, Quick thinking, presence of mind
College Name: IIT MADRAS

Interview Preparation Tips

Round: Test
Experience: 10 candidates shortlisted through aptitude test (50 ques in 12 min, cut off was 50).
Duration: 12 minutes minutes
Total Questions: 50

Round: Technical Interview
Experience: 1st interview was technical with some general HR questions. I related the work done in internships to the work being done in the snapdeal company. I was asked if I had any other interview to which I replied flipkart. He then asked me why snapdeal and not flipkart. I had studied everything about the 2 companies and was thus able to defend my choice. Next he gave me some puzzles, I did all with little inputs from him. I was asked to wait for 2nd interview and not go to Flipkart GD but I went anyway.

Round: Technical Interview
Experience: This interview round was again technical. This time there were 2 panellists and they again gave me 4-5 puzzles, which I did successfully. I was asked to wait for a HR interview.

Round: HR Interview
Experience: The HR interview was just a formality, he explained me my responsibilities in the organization and made me a spot offer.

General Tips: 1. Pre placement preparation is very important. Begin early and try to distribute time to all the areas especially your shortcomings.
2. Try to remain calm and confident in the interview.
3. Do not cram up the answers to hr questions or puzzles.
4. There are plenty of companies with handsome compensation. Just give your best in preparations and interviews.

College Name: IIT Kanpur

Software Developer Interview Questions & Answers

Snapdeal user image Adithya H K Upadhya

posted on 3 Dec 2015

Interview Preparation Tips

Round: Test
Experience: An aptitude test which was followed by three rounds of technical interviews and finally the HR interview.

Round: HR Interview
Experience: Snapdeal offered placements for 5 students (3 from CS and 2 from IT).

General Tips: Be extremely well prepared for any company. Research about the company's profile extensively before the company's interview. HR panel always looks for candidates who are well aware of the company in order to measure the candidate's interest. Data structures are absolutely necessary for any company. Improve coding skills through frequent participation in competitive programming arena such as codeForces, codeChef, HackerEarth etc. "Software development job profile was offered to me.
Unnecessary and irrelevant questions are to be avoided. We should raise questions only if we have some genuine questions. However any question related to job profile or location preference could be raised. "
"It was very grueling and tiring at first but the sweet taste of placement makes it all worth it.
Placements are a turning point in everybody's career."
Skill Tips: Snapdeal is more focussed on Data structures and object oriented technology.
For data structures, online materials such as GeeksforGeeks are excellent and in case of OOPS concepts, stronghold in either C++ or java programming language is necessary.
Skills:
College Name: NIT Surathkal

Interview Preparation Tips

Round: Test
Experience: Algorithmic coding test was conducted on hackerank platform. Around 60 students gave online test. There were 4-5 algo questions to be done in 90 mins duration.

Tips: Try to do at least 2 questions.

Round: Technical Interview
Experience: First Interviewer asked me to introduce myself. Then he asked me questions on data structures & Algo. He asked me about tree data structures, why it is used, time complexities of various operations on tree, balancing of tree, AVL Tree. He asked me write AVL Tree insertion, deletion, update code. Then he jumps to BTree, B+Tree and asks me write code on paper for various operations. Questions were asked on indexing, various types of indexing, how it is used in databases, etc. Then he briefly asked about the project I done in my internship.


Round: Technical Interview
Experience: Interviewer asked me how was my 1st round, I said it was great. He first asked me introduce myself. Then he asked about my projects mentioned in my resume. I done a project in machine learning on spam webpage detection. He was interested in that. He asked me what language, libraries I used to implement that project. Then he gave me real time scenario to predict whether an item is explosive or not. Then I approached this problem and asked information related to problem. He was impressed by the approach I target the problem. He asked me what machine learning model will be best and what are their pros and cons. Then he asked me question that given 100 sorted linked lists, you have to merge them and return single sorted linked list. I gave 3-4 solutions with their time & space complexities.


Round: HR Interview
Experience: Interviewer asked me common HR questions like tell me about yourself, my family background, why do you want to join the company, what impact you can make in Snapdeal, why should we hire you. After that he congratulated me for the role of SDE at Snapdeal. I was very happy at that moment.

All the 5 students cleared this round.

Skills: SQL, ML, Algorithms And Data Structures, Python, Basic C/C++
College Name: IIT Guwahati

I was interviewed before Apr 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 90 minutes
Round difficulty - Easy

There were 22 MCQ questions of aptitude and technical based while 3 questions were of coding type.
Tips: MCQ questions were not time consuming , so try to do that questions in less time , so you will get enough time for coding questions.

  • Q1. 

    Balanced Parentheses Check

    Given a string STR consisting solely of the characters '{', '}', '(', ')', '[', and ']', determine whether the parentheses are balanced.

    Input:

    The first line contains an inte...
  • Ans. 

    Implement a function to check if parentheses in a string are balanced.

    • Use a stack to keep track of opening parentheses and pop when a closing parenthesis is encountered.

    • If the stack is empty when a closing parenthesis is encountered or if there are unmatched parentheses at the end, return 'NO'.

    • Ensure that all opening parentheses have a corresponding closing parenthesis in the correct order.

    • Return 'YES' if all parenthes...

  • Answered by AI
  • Q2. 

    Find the Next Greater Number with the Same Set of Digits

    Given a string S that represents a number, determine the smallest number that is strictly greater than the original number and has the same set of ...

  • Ans. 

    The task is to find the smallest number greater than the given number with the same set of digits.

    • Sort the digits of the number in descending order.

    • Find the first digit from the right that is smaller than the digit to its right.

    • Swap this digit with the smallest digit to its right that is greater than it.

    • Sort all the digits to the right of the swapped digit in ascending order to get the smallest number greater than the

  • Answered by AI
Round 2 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Medium

My experience was very awesome , I answered all the questions , although in starting I was very nervous , so at starting interviewer help me get my confidence, interviewer was very helpful.

  • Q1. 

    Maximum Level Sum in Binary Tree Problem Statement

    Given an arbitrary binary tree consisting of N nodes, where each node is associated with a certain value, your task is to find the maximum sum for any le...

  • Ans. 

    Find the maximum sum for any level in a binary tree.

    • Traverse the binary tree level by level and calculate the sum for each level.

    • Keep track of the maximum sum encountered so far.

    • Return the maximum sum found.

    • Example: For the input tree, the maximum level sum is 13 (5+6+2).

  • Answered by AI
  • Q2. 

    Find Top K Frequent Numbers in a Stream

    Given an integer array ARR and an integer K, your task is to find the K most frequent elements in ARR. Return the elements sorted in ascending order.

    Example:

    Inp...
  • Ans. 

    Find the K most frequent elements in an integer array and return them sorted in ascending order.

    • Use a hashmap to store the frequency of each element in the array.

    • Use a min heap to keep track of the K most frequent elements.

    • Return the elements from the min heap in ascending order.

  • Answered by AI
Round 3 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Easy

This round was based on DSA and questions on core subjects that I had studied throughout college.

  • Q1. 

    Vertical Sum in a Binary Tree

    Given a binary tree where each node has a positive integer value, compute the vertical sum of the nodes. The vertical sum is defined as the sum of all nodes aligned along the...

  • Ans. 

    Compute the vertical sum of nodes in a binary tree aligned along the same vertical line.

    • Traverse the binary tree in a level order manner to calculate the vertical sum.

    • Use a hashmap to store the vertical sum at each vertical level.

    • Recursively traverse the tree and update the vertical sum in the hashmap.

    • Output the vertical sums in the required format for each test case.

  • Answered by AI
  • Q2. What is TCP/IP?
  • Ans. 

    TCP/IP is a set of protocols that governs the way data is transmitted over the internet.

    • TCP/IP stands for Transmission Control Protocol/Internet Protocol.

    • It is a suite of communication protocols used to connect devices on the internet.

    • TCP ensures that data is reliably transmitted between devices.

    • IP is responsible for addressing and routing data packets across networks.

    • Examples of TCP/IP protocols include HTTP, FTP, and

  • Answered by AI
Round 4 - HR 

Round duration - 30 minutes
Round difficulty - Easy

Experience : Keep confidence and show them good communication skills. Previous round's performance also matters in this rounds

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPASnapdeal interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 5 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 Apr 2021.

Round 1 - Face to Face 

(1 Question)

Round duration - 60 minutes
Round difficulty - Easy

In the interview I was asked few puzzles and few coding problems.
In the coding questions the interviewers did not ask me to write down the complete codes of the problems, they only asked me to suggest some suitable algorithms.

  • Q1. 

    Count Set Bits Problem Statement

    Given a positive integer N, find the total number of '1's in the binary representation of all the numbers from 1 to N.

    You should return the result modulo 109+7 as the co...

  • Ans. 

    Count the total number of set bits in the binary representation of numbers from 1 to N, modulo 10^9+7.

    • Iterate through numbers from 1 to N and count the set bits in their binary representation

    • Use bitwise operations to count set bits efficiently

    • Return the total count modulo 10^9+7 as the result

  • Answered by AI
Round 2 - Face to Face 

(1 Question)

Round duration - 45 minutes
Round difficulty - Easy

In second round of interview I was asked some hardcore programming questions on data structures since I wrote it as my area of interest. 
I was asked some puzzles as well.

  • Q1. 

    Merge Two Sorted Arrays Problem Statement

    Given two sorted integer arrays ARR1 and ARR2 of size M and N, respectively, merge them into ARR1 as one sorted array. Assume that ARR1 has a size of M + N to hol...

  • Ans. 

    Merge two sorted arrays into one sorted array in place.

    • Iterate from the end of both arrays and compare elements to merge in place

    • Use two pointers to keep track of the current position in both arrays

    • Handle cases where one array is fully merged before the other

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPASnapdeal interview preparation:Topics to prepare for the interview - SQL, Database, Aptitude, Data Structures, Algorithms, OOPSTime required to prepare for the interview - 4 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 interviewRejected

Skills evaluated in this interview

Contlo Interview FAQs

How many rounds are there in Contlo interview?
Contlo interview process usually has 2-3 rounds. The most common rounds in the Contlo interview process are Technical, One-on-one Round and Coding Test.
How to prepare for Contlo 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 Contlo. The most common topics and skills that interviewers at Contlo expect are Customer Service, IT Sales, Inside Sales, Java and Technical Support.
What are the top questions asked in Contlo interview?

Some of the top questions asked at the Contlo interview -

  1. Which was a product where you helped the company to move the nee...read more
  2. Final technical round with 1 problem solving quest...read more
  3. Rapid fire technical round with 1 problem solv...read more

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Contlo Interview Process

based on 5 interviews

Interview experience

3
  
Average
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Contlo Reviews and Ratings

based on 24 reviews

2.0/5

Rating in categories

2.3

Skill development

2.1

Work-life balance

2.7

Salary

1.8

Job security

2.1

Company culture

2.0

Promotions

2.2

Work satisfaction

Explore 24 Reviews and Ratings
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