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Quikr Software Developer Intern Interview Questions and Answers

Updated 16 Sep 2021

Quikr Software Developer Intern Interview Experiences

3 interviews found

I was interviewed in Mar 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 75 minutes
Round difficulty - Easy

Timing was 10AM. Environment was quite good.

  • Q1. 

    GCD Sum Problem Statement

    Given an integer 'N', the task is to find the sum of the greatest common divisor (GCD) of all pairs (i, j) such that 1 <= i < j <= N.

    Input:

    T (the number of test case...
  • Ans. 

    Calculate the sum of GCD of all pairs of numbers from 1 to N.

    • Iterate through all pairs of numbers from 1 to N and calculate GCD

    • Sum up all the calculated GCDs to get the final result

    • Optimize the GCD calculation using Euclidean algorithm

  • Answered by AI
  • Q2. 

    Consecutive Elements

    Given an array arr of N non-negative integers, determine whether the array consists of consecutive numbers. Return true if they do, and false otherwise.

    Input:

    The first line of inp...
  • Ans. 

    Check if an array of integers consists of consecutive numbers.

    • Iterate through the array and check if the absolute difference between consecutive elements is 1.

    • Sort the array and check if the elements are consecutive.

    • Use a set to store the elements and check if the size of the set is equal to the length of the array.

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - Intern in DelhiEligibility criteriaAbove 8 CGPAQuikr interview preparation:Topics to prepare for the interview - Data Structures, Pointers, OOPS, System Design, Algorithms, Dynamic ProgrammingTime required to prepare for the interview - 2 monthsInterview preparation tips for other job seekers

Tip 1 : Do 2 projects.
Tip 2 : Practice javascript basics too.
Tip 3 : Practice array questions.

Application resume tips for other job seekers

Tip 1 : Have some projects on resume.
Tip 2 : Keep it short.

Final outcome of the interviewRejected

Skills evaluated in this interview

I was interviewed in Mar 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 75 Minutes
Round difficulty - Medium

Timing was 10AM. Environment was quite good.

  • Q1. 

    GCD Sum Problem Statement

    Given an integer 'N', the task is to find the sum of the greatest common divisor (GCD) of all pairs (i, j) such that 1 <= i < j <= N.

    Input:

    T (the number of test case...
  • Q2. 

    Consecutive Elements

    Given an array arr of N non-negative integers, determine whether the array consists of consecutive numbers. Return true if they do, and false otherwise.

    Input:

    The first line of inp...

Interview Preparation Tips

Eligibility criteria8 CGPAQuikr interview preparation:Topics to prepare for the interview - Data Structures, Pointers, OOPS, System Design, Algorithms, Dynamic ProgrammingTime required to prepare for the interview - 2 MonthsInterview preparation tips for other job seekers

Tip 1 : Do 2 projects.
Tip 2 : Practice javascript basics too.
Tip 3 : Practice array questions.

Application resume tips for other job seekers

Tip 1 : Have some projects on resume.
Tip 2 : Keep it short.

Final outcome of the interviewRejected

Skills evaluated in this interview

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I was interviewed in Mar 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 75 minutes
Round difficulty - Medium

Timing was 10AM. Environment was quite good.

  • Q1. 

    GCD Sum Problem Statement

    Given an integer 'N', the task is to find the sum of the greatest common divisor (GCD) of all pairs (i, j) such that 1 <= i < j <= N.

    Input:

    T (the number of test case...
  • Ans. 

    Calculate the sum of GCD of all pairs of numbers from 1 to N.

    • Iterate through all pairs of numbers from 1 to N and calculate GCD

    • Add all the calculated GCDs to get the final sum

    • Optimize the GCD calculation using Euclidean algorithm

  • Answered by AI
  • Q2. 

    Consecutive Elements

    Given an array arr of N non-negative integers, determine whether the array consists of consecutive numbers. Return true if they do, and false otherwise.

    Input:

    The first line of inp...
  • Ans. 

    Check if an array of integers consists of consecutive numbers.

    • Iterate through the array and check if the absolute difference between consecutive elements is 1.

    • Sort the array and check if the elements are consecutive.

    • Use a set to store unique elements and check if the size of the set matches the length of the array.

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - Intern in BangaloreEligibility criteria7.5 cgpaQuikr interview preparation:Topics to prepare for the interview - Data Structures, Pointers, OOPS, System Design, Algorithms, Dynamic ProgrammingTime required to prepare for the interview - 1.5 monthsInterview preparation tips for other job seekers

Tip 1 : Practice javascripts
Tip 2 : Practice data structure
 

Application resume tips for other job seekers

Tip 1 : Keep it short
Tip 2 : Don't add false information

Final outcome of the interviewRejected

Skills evaluated in this interview

Interview questions from similar companies

Interview Questionnaire 

15 Questions

  • Q1. Indexes in mysql
  • Ans. 

    Indexes in MySQL are used to improve query performance by allowing faster data retrieval.

    • Indexes are created on one or more columns of a table.

    • They work by creating a separate data structure that allows for faster data retrieval.

    • Indexes can be created using the CREATE INDEX statement.

    • Indexes can also be dropped using the DROP INDEX statement.

    • Indexes can be used to speed up SELECT, UPDATE, and DELETE statements.

    • Indexes ...

  • Answered by AI
  • Q2. Difference between include_once and require_once?
  • Ans. 

    include_once and require_once are PHP functions used to include files. The difference is in how they handle errors.

    • include_once will only include the file once, and will not throw a fatal error if the file is not found

    • require_once will also only include the file once, but will throw a fatal error if the file is not found

    • Both functions are used to include files that contain functions or variables that are needed in the

  • Answered by AI
  • Q3. Constructor and destrutor?
  • Q4. Sessions vs cookie. Detailed discussion
  • Ans. 

    Sessions and cookies are both used for maintaining user state, but sessions are server-side and cookies are client-side.

    • Sessions store user data on the server, while cookies store data on the client's browser

    • Sessions are more secure than cookies because the data is not accessible to the client

    • Cookies can be used for tracking user behavior and preferences

    • Sessions are typically used for authentication and authorization p...

  • Answered by AI
  • Q5. Some questions on lucene, solr as it was mentioned in my resume
  • Q6. 8 ball puzzle
  • Q7. Design patterns?
  • Q8. Array of first n numbers.One number is missing.Find missing number?
  • Ans. 

    To find missing number in an array of first n numbers.

    • Calculate the sum of first n numbers using formula n*(n+1)/2

    • Calculate the sum of given array using loop

    • Subtract the sum of array from sum of first n numbers to get the missing number

  • Answered by AI
  • Q9. What is memcache. Some discussion around it
  • Q10. Design a database schema for a chat application where user can send message to an individual or in group
  • Ans. 

    Design a database schema for a chat application with individual and group messaging.

    • Create a 'users' table with unique user IDs

    • Create a 'messages' table with message IDs, sender and receiver IDs, message content, and timestamp

    • Create a 'groups' table with unique group IDs and group names

    • Create a 'group_members' table with group ID and user ID to track group membership

    • Use foreign keys to link tables together

    • Consider inde

  • Answered by AI
  • Q11. Write sql to retrieve all unread messages when user sign in
  • Ans. 

    SQL query to retrieve all unread messages upon user sign in

    • Use a JOIN statement to combine the messages and user tables

    • Filter the results to only show messages that have not been read by the user

    • Use the user's sign in information to identify which messages are unread

  • Answered by AI
  • Q12. Why do you want to join OLX?
  • Ans. 

    I am excited to join OLX because of its innovative approach to online marketplaces and its commitment to customer satisfaction.

    • I am impressed by OLX's user-friendly platform and its ability to connect buyers and sellers from all over the world.

    • I am excited to work with a team of talented developers who are passionate about creating cutting-edge technology.

    • I believe that OLX's focus on customer satisfaction aligns with ...

  • Answered by AI
  • Q13. What difficulties have you faced
  • Ans. 

    I have faced difficulties in debugging complex code and managing project timelines.

    • Debugging complex code with multiple dependencies

    • Managing project timelines with changing requirements

    • Working with legacy code and outdated technologies

    • Collaborating with team members in different time zones

    • Dealing with unexpected bugs and errors

  • Answered by AI
  • Q14. How is the Employee hierarchy in your current organization.Whom do you report to
  • Ans. 

    I report to the Technical Lead and am part of the development team.

    • I report to the Technical Lead

    • I am part of the development team

  • Answered by AI
  • Q15. How much is the web traffic on your site etc
  • Ans. 

    Our website receives an average of 10,000 unique visitors per day.

    • Our website has a steady flow of traffic with a consistent number of unique visitors per day.

    • We use Google Analytics to track our web traffic and analyze user behavior.

    • Our peak traffic times are during weekdays from 9am to 5pm.

    • We have noticed an increase in mobile traffic over the past year.

    • Our website's traffic is primarily driven by organic search and

  • Answered by AI

Interview Preparation Tips

Round: Technical Interview
Experience: Round 4 with CTO :It was a normal discussion.

General Tips: I got a call through recruiter. My telephonic interview got scheduled. Overall process was very fast. It took not more than 3-4 days till I received offer letter.
Skills: Algorithm, Data structure, SQL
College Name: na

Skills evaluated in this interview

I was interviewed before Feb 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Easy

It comprised of general aptitude questions and two coding questions. It was an offline test.

  • Q1. 

    N Queens Problem

    Given an integer N, find all possible placements of N queens on an N x N chessboard such that no two queens threaten each other.

    Explanation:

    A queen can attack another queen if they ar...

  • Ans. 

    The N Queens Problem involves finding all possible placements of N queens on an N x N chessboard where no two queens threaten each other.

    • Use backtracking algorithm to explore all possible configurations.

    • Keep track of rows, columns, and diagonals to ensure queens do not attack each other.

    • Generate and print valid configurations where queens are placed safely.

    • Consider constraints and time limit for efficient solution.

    • Exam...

  • Answered by AI
  • Q2. 

    Sort 0 1 2 Problem Statement

    Given an integer array arr of size 'N' containing only 0s, 1s, and 2s, write an algorithm to sort the array.

    Input:

    The first line contains an integer 'T' representing the n...
  • Ans. 

    Sort an integer array containing only 0s, 1s, and 2s in linear time complexity.

    • Use three pointers to keep track of the positions of 0s, 1s, and 2s in the array.

    • Iterate through the array and swap elements based on the values encountered.

    • Achieve sorting in a single scan over the array without using any extra space.

  • Answered by AI
Round 2 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Easy

After having a technical discussion about my CV. He gave me two questions to code.

  • Q1. 

    Ninja and Substrings Problem Statement

    Ninja has to determine all the distinct substrings of size two that can be formed from a given string 'STR' comprising only lowercase alphabetic characters. These su...

  • Ans. 

    Find all unique contiguous substrings of size two from a given string.

    • Iterate through the string and extract substrings of size two

    • Use a set to store unique substrings

    • Return the set as an array of strings

  • Answered by AI
  • Q2. 

    Cycle Detection in a Singly Linked List

    Determine if a given singly linked list of integers forms a cycle or not.

    A cycle in a linked list occurs when a node's next points back to a previous node in the ...

  • Ans. 

    Detect if a singly linked list forms a cycle by checking if a node's next points back to a previous node.

    • Traverse the linked list using two pointers, one moving one step at a time and the other moving two steps at a time.

    • If the two pointers meet at any point, there is a cycle in the linked list.

    • If one of the pointers reaches the end of the list (null), there is no cycle.

  • Answered by AI
Round 3 - HR 

(1 Question)

Round duration - 30 minutes
Round difficulty - Easy

This was supposed to be the HR round but out of surprise the interviewer started by giving me a question to code. 
After I approached this question with the right solution he just asked about my family. After that he said to wait. After half an hour the results were announced. A total of three students were hired and I was amongst one of them.

  • Q1. 

    Balanced Parentheses Combinations

    Given an integer N representing the number of pairs of parentheses, find all the possible combinations of balanced parentheses using the given number of pairs.

    Explanati...

  • Ans. 

    Generate all possible combinations of balanced parentheses for a given number of pairs.

    • Use recursion to generate all possible combinations of balanced parentheses.

    • Keep track of the number of open and close parentheses used in each combination.

    • Return the valid combinations as an array of strings.

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAMagicbricks 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

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

2 questions in 60 minutes

Round 2 - Technical 

(2 Questions)

  • Q1. System design, 1 hr
  • Q2. Don’t remember the question
Round 3 - HR 

(2 Questions)

  • Q1. Asked about my school life
  • Q2. Asked about my family

I applied via LinkedIn and was interviewed in Jul 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 Resume tips
Round 2 - Aptitude Test 

Q1 - array questions.
Q2 - Graph questions.
Q3 - DP questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Must do medium questions on leetcode. Should be know all the data structures and algorithms. Should be know all CS fundamentals. No need to give advanced contest on codeforces.
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
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 Resume tips
Round 2 - Technical 

(1 Question)

  • Q1. Launch modes on android
  • Ans. 

    Launch modes on Android determine how a new instance of an activity is associated with the current task.

    • Standard: Creates a new instance of the activity in the task's stack

    • SingleTop: If an instance of the activity already exists at the top of the stack, it will not be recreated

    • SingleTask: Activity is always at the root of the task and no other activities can be on top of it

    • SingleInstance: Similar to SingleTask, but the

  • Answered by AI
Round 3 - Case Study 

Questios based on Activity backstacks

Skills evaluated in this interview

Interview experience
2
Poor
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

In test I had to solve 3 dsa questions in 1 hour

Round 2 - Technical 

(1 Question)

  • Q1. I have asked 2 DSA questions in my interview
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Jul 2024. There were 4 interview rounds.

Round 1 - Coding Test 

It was a coding round where i need to solve 3 DSA Questions in 1.5 hour

Round 2 - Technical 

(2 Questions)

  • Q1. This is Technical round where i was asked to implement the Two Question of Dsa one is bases on greedy and another is dp , another one is leetcode hard (finding maxaimal area of rectangle in matrix of 1 and...
  • Q2. Greedy Q was direct i don't remember clearly. I was selected for the 2nd round
Round 3 - One-on-one 

(1 Question)

  • Q1. It was also a technical round but bases on LLD problem statement. I was given a problem statement to design a society security system and the they need psudo code for complete implementation using correct ...
Round 4 - HR 

(1 Question)

  • Q1. I was not selected for 4th round but heard that there were Q on cs fundamentals.
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