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I applied via Company Website and was interviewed before Jun 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 - One-on-one 

(1 Question)

  • Q1. Machine learning and Java programming questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Have a good knowledege about the work you are presenting in front of them.

I applied via Approached by Company and was interviewed before Jun 2021. There were 2 interview rounds.

Round 1 - System test 

(1 Question)

  • Q1. Advantage and disadvantage of framework.
  • Ans. 

    Frameworks provide structure and pre-built components for software development, but can also limit flexibility and require learning curve.

    • Advantage: Provides structure and pre-built components for faster development

    • Advantage: Can improve code quality and maintainability

    • Disadvantage: Can limit flexibility and customization

    • Disadvantage: Requires learning curve and potential dependency issues

    • Example: ReactJS provides a fr...

  • Answered by AI
Round 2 - Technical 

(1 Question)

  • Q1. What is Oops? Advantage and disadvantage
  • Ans. 

    Oops stands for Object-Oriented Programming. It is a programming paradigm that uses objects to represent real-world entities.

    • Advantages: code reusability, modularity, encapsulation, inheritance, polymorphism

    • Disadvantages: complexity, steep learning curve, performance overhead

    • Example: creating a class 'Car' with properties like 'make', 'model', and 'year', and methods like 'start_engine' and 'stop_engine'

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare basics in server side and client side coding

Skills evaluated in this interview

I appeared for an interview before Sep 2020.

Round 1 - Face to Face 

(1 Question)

Round duration - 50 minutes
Round difficulty - Easy

This was a Data Structural round.

  • Q1. 

    Distinct Islands Problem Statement

    Given a two-dimensional array/list consisting of integers 0s and 1s, where 1 represents land and 0 represents water, determine the number of distinct islands. A group of...

  • Ans. 

    Count the number of distinct islands in a 2D array of 0s and 1s.

    • Identify islands by performing depth-first search (DFS) on the grid

    • Use a set to store the shape of each island and check for duplicates

    • Consider translations to determine distinct islands

  • Answered by AI
Round 2 - Face to Face 

(1 Question)

Round duration - 50 minutes
Round difficulty - Easy

This was a Data Structural round.

  • Q1. 

    Word Wrap Problem Statement

    You are tasked with arranging 'N' words of varying lengths such that each line contains at most 'M' characters, with each word separated by a space. The challenge is to minimiz...

  • Ans. 

    The goal is to minimize the total cost of arranging 'N' words on each line with a maximum character limit 'M'.

    • Calculate the cost of each line as the cube of extra space characters needed to reach 'M'.

    • Minimize the total cost by arranging words to fit within the character limit on each line.

    • Ensure each word appears fully on one line without breaking across lines.

  • Answered by AI
Round 3 - Face to Face 

(1 Question)

Round duration - 60 minutes
Round difficulty - Easy

This was a System Design round.

  • Q1. Can you design a system similar to Red Bus that can handle bookings and onboard both vendors and customers to the platform?
  • Ans. 

    Design a system similar to Red Bus for handling bookings and onboarding vendors and customers.

    • Implement a user-friendly interface for customers to search and book tickets

    • Create a vendor portal for vendors to manage their offerings and availability

    • Include payment gateway integration for secure transactions

    • Develop a robust backend system for managing bookings, cancellations, and refunds

    • Utilize a database to store user in...

  • Answered by AI
Round 4 - Face to Face 

Round duration - 50 minutes
Round difficulty - Easy

This was a System Design round

Round 5 - Face to Face 

Round duration - 50 minutes
Round difficulty - Easy

This was an HR round.

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Indian Institute of Technology Roorkee. Microsoft interview preparation:Topics to prepare for the interview - Graphs, Dynamic Programming, Arrays, LinkedList, stringsTime required to prepare for the interview - 1 monthInterview preparation tips for other job seekers

Tip 1 : Practice as much as you can.
Tip 2 : Prepare for company, not in general.
Tip 3 : Your past work should be objective and your contribution should be very clear

Application resume tips for other job seekers

Tip 1 : Keep only relevant things for the job you are applying.
Tip 2 : Minimal data with measurable contribution and effect.

Final outcome of the interviewSelected

Skills evaluated in this interview

I appeared for an interview before Sep 2020.

Round 1 - Video Call 

(1 Question)

Round duration - 1 hour
Round difficulty - Medium

  • Q1. 

    First Missing Positive Problem Statement

    You are provided with an integer array ARR of length 'N'. Your objective is to determine the first missing positive integer using linear time and constant space. T...

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in HyderabadEligibility criteriaNoneMicrosoft interview preparation:Topics to prepare for the interview - Data structures, Pointers, Microsoft Cloud, Computer Architecture, Dynamic Programming, Azure Services,Time required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

Tip 1 : During an interview, never say that you don't know the answer, keep trying and the interviewer will help you himself.
Tip 2 : Keep speaking up the approach going on in your mind, they want to judge your approaches much more than whether the answer is right or wrong.
Tip 3 : Be confident, cheerful, keep smiling, and continue making eye contact with the interviewer, this leaves a positive impression.
Tip 4 : Search and practice questions specific to the company, questions are repeated several times.
Tip 5 :  A sound knowledge of Microsoft Azure Services and cloud computing will be an icing on the cake, and increase your chances to get selected.
Tip 6 : Keep giving contests on coding platforms, it will help you to stay motivated and check your stand.
Tip 7 : Keep a daily goal of number of questions instead of the time duration.

Application resume tips for other job seekers

Tip 1 : Everything mentioned on the resume should be thoroughly known to you since if they catch you being dishonest, pretty good coding skills also might not help.
Tip 2 : Have projects related to the same field you are trying to apply for mentioned in your resume, this shows you are already experienced in the field.
Tip 3 : Adding references of some experienced people of the same field might help you gain their trust.
Tip 4 : Do not keep your resume too long, and do not mention irrelevant details, keep it short and crisp.
Tip 5 : Some experience in the field of operations and management or some positions of responsibility will really help you score extra points since it shows you have leadership qualities and are familiar with the market along with super coding skills.

Final outcome of the interviewSelected

Skills evaluated in this interview

I appeared for an interview before Sep 2020.

Round 1 - Coding Test 

(2 Questions)

Round duration - 90 minutes
Round difficulty - Easy

This round was the online coding test conducted on the platform Mettl. The languages allowed were C, C++, Java and Python. There were three questions. One was of graphs (Depth-first search), other was a big integer problem and the third was a string problem.

  • Q1. 

    Graph Coloring Problem Statement

    You are provided with a graph consisting of N vertices, numbered from 1 to N, and M edges. Your task is to color the graph using two colors, Blue and Red, such that no two...

  • Ans. 

    Given a graph with vertices and edges, determine if it can be colored using two colors without adjacent vertices sharing the same color.

    • Check if the graph is bipartite using graph coloring algorithm like BFS or DFS.

    • If the graph is bipartite, return 'Possible' with a valid coloring assignment.

    • If the graph is not bipartite, return 'Impossible'.

  • Answered by AI
  • Q2. 

    String Compression Problem Statement

    Write a program to perform basic string compression. For each character that repeats consecutively more than once, replace the consecutive duplicate occurrences with t...

  • Ans. 

    Write a program to compress a string by replacing consecutive duplicate characters with the character followed by the number of repetitions.

    • Iterate through the string and count consecutive occurrences of each character

    • Append the character and its count to a new string

    • Return the compressed string if it is shorter than the original, else return the original string

    • Handle edge cases like single characters or when compresse...

  • Answered by AI
Round 2 - Coding Test 

(1 Question)

Round duration - 60 minutes
Round difficulty - Easy

This was a pen and paper subjective interview round. You were expected to write full code on paper. Make sure you use proper names for the variables and write comments explaining very clearly what the code does. Also, try writing code in good handwriting which can be understood by the interviewer.

  • Q1. Find the total number of palindromic substrings in a given string.
  • Ans. 

    Count total palindromic substrings in a given string.

    • Iterate through each character in the string and consider it as the center of a palindrome. Expand outwards to find all palindromic substrings.

    • Use dynamic programming to efficiently check if a substring is a palindrome.

    • Consider both odd-length and even-length palindromes.

    • Example: Input 'ababa', output 7 (a, b, a, b, a, aba, aba)

  • Answered by AI
Round 3 - Face to Face 

(2 Questions)

Round duration - 45 minutes
Round difficulty - Easy

The interview took place in the morning and the interviewer was very friendly.

  • Q1. 

    Count Inversions Problem Statement

    Let A[0 ... n-1] be an array of n distinct positive integers. An inversion of A is a pair of indices (i, j) such that i < j and A[i] > A[j]. Given an integer array...

  • Ans. 

    Count the number of inversions in an array of distinct positive integers.

    • Use merge sort algorithm to count inversions efficiently.

    • Divide the array into two halves and recursively count inversions in each half.

    • Merge the two sorted halves while counting split inversions.

    • Time complexity can be optimized to O(n log n) using merge sort.

    • Example: For input A = [2, 4, 1, 3, 5], the output should be 3.

  • Answered by AI
  • Q2. 

    Sum Tree Conversion Problem Statement

    Transform a given binary tree into a sum tree where each node is replaced by the sum of its immediate children's values. Leaf nodes should be replaced with 0. Then, p...

  • Ans. 

    Convert a binary tree into a sum tree by replacing each node with the sum of its children's values, and return the preorder traversal.

    • Traverse the tree recursively and replace each node with the sum of its children's values

    • Leaf nodes should be replaced with 0

    • Perform a preorder traversal on the transformed sum tree to get the final result

  • Answered by AI
Round 4 - HR 

Round duration - 30 minutes
Round difficulty - Easy

The HR Interview round was held in the morning and it was right after my technical interview.

Interview Preparation Tips

Professional and academic backgroundI completed Electrical Engineering from Indian Institute of Technology (Indian School of Mines), Dhanbad. I applied for the job as SDE - 1 in HyderabadEligibility criteria7 CGPAMicrosoft interview preparation:Topics to prepare for the interview - Data Structures - Arrays, Strings, Linked List, Trees, Binary Search Tree, Graph, Tries, Fenwick Trees, Segment Trees, Hashmap. Algorithms - Recursion, Ad Hoc, Dynamic Programming, Greedy, Binary Search, Breadth-first search, Depth-first search, Sorting .Time required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

Just be confident during interview and if you are stuck in between any question, then ask for a hint from the interviewer. The practice is key for success, so practice hard for Data Structures and Algorithms coding problems on Coding ninjas as it is the best platform for coding. Also you may practice on Geeks For Geeks or any other interview portal. 

Application resume tips for other job seekers

Mention all internships which you have done, as it increases your chances of shortlisting your resume. Also just write that skills which you are pretty confident about.

Final outcome of the interviewSelected

Skills evaluated in this interview

Intern Interview Questions & Answers

Google user image Anonymous

posted on 28 Apr 2022

I applied via LinkedIn and was interviewed before Apr 2021. There were 2 interview rounds.

Round 1 - Aptitude Test 

It was quite good

Round 2 - Assignment 

Assignment was real world based

Interview Preparation Tips

Interview preparation tips for other job seekers - do your best and try to excel basic skills.

Interview Questionnaire 

1 Question

  • Q1. Data Structures, Algorithms, System designing, Azure
Are these interview questions helpful?

I applied via Company Website and was interviewed in Dec 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. They asked to calculate time complexity of any algorithm
  • Ans. 

    Time complexity measures the amount of time an algorithm takes to complete based on input size.

    • Time complexity is expressed using Big O notation (e.g., O(n), O(log n)).

    • O(1) indicates constant time, e.g., accessing an array element.

    • O(n) indicates linear time, e.g., iterating through an array.

    • O(n^2) indicates quadratic time, e.g., nested loops through an array.

    • O(log n) indicates logarithmic time, e.g., binary search in a...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Practice is the only silver bullet to crack any interview!
Do coding of problem on notepad. Refer DS, ALGO related problem from GeeksOfGeeks site.

And 1 more thing coding is an art and please do not mug up the code, just try to understand the tricks, logic and solution and use those tricks and solution to solve any coding problem.

Do practice, Do practice and Do practice....nothing else

I appeared for an interview before Sep 2020.

Round 1 - Video Call 

(1 Question)

Round duration - 60 Minutes
Round difficulty - Easy

It was a hangout video call. The interviewer asked me these questions. Tell me about yourself and 1 coding question.

  • Q1. 

    Special Numbers Problem Statement

    Your task is to find the total count of special numbers within a range from 1 to a given integer, 'MAXVAL'. A special number is defined as a number whose digits, when rot...

  • Ans. 

    Count the total number of special numbers within a given range by rotating digits 180 degrees.

    • Create a function to check if a number is a special number by rotating its digits.

    • Iterate through the range from 1 to MAXVAL and count the special numbers.

    • Handle the digit rotation mapping for 0, 1, 6, 8, 9.

    • Return the count of special numbers for each test case.

  • Answered by AI
Round 2 - Video Call 

Round duration - 60 Minutes
Round difficulty - Easy

This was an On-site (Behavioural Round) interview. He asked me these questions.

Round 3 - Video Call 

(1 Question)

Round duration - 60 Minutes
Round difficulty - Easy

This was another On-site ( DS & Algo) algorithm.

  • Q1. 

    Covid Vaccination Distribution Problem

    As the Government ramps up vaccination drives to combat the second wave of Covid-19, you are tasked with helping plan an effective vaccination schedule. Your goal is...

Round 4 - Video Call 

(2 Questions)

Round duration - 60 Minutes
Round difficulty - Easy

Another On-site ( DS & Algo) interview.

  • Q1. 

    Painter's Partition Problem Statement

    Given an array/list representing boards, where each element denotes the length of a board, and a number ‘K’ of available painters, determine the minimum time required...

  • Ans. 

    Determine the minimum time required to paint all boards with given constraints.

    • Use binary search to find the minimum and maximum possible time to paint all boards.

    • Iterate through the boards and assign them to painters based on the time constraints.

    • Calculate the total time taken to paint all boards with the assigned painters.

  • Answered by AI
  • Q2. 

    Chocolate Distribution Problem

    You are given an array/list CHOCOLATES of size 'N', where each element represents the number of chocolates in a packet. Your task is to distribute these chocolates among 'M'...

Round 5 - Video Call 

(1 Question)

Round duration - 60 Minutes
Round difficulty - Easy

Another On-site ( DS & Algo) interview.

  • Q1. 

    Problem Statement: Minimize the Maximum

    You are given an array of integers and an integer K. For each array element, you can adjust it by increasing or decreasing it by a value of K. Your goal is to minim...

  • Ans. 

    Given an array of integers and an integer K, minimize the difference between the maximum and minimum elements after adjusting each element by +/- K.

    • Sort the array in non-decreasing order.

    • For each element, calculate the difference between the current element and the next element.

    • Adjust the element by adding or subtracting K to minimize the difference.

    • Return the minimum possible difference between the maximum and minimum...

  • Answered by AI
Round 6 - HR 

(1 Question)

Round duration - 60 minutes
Round difficulty - Easy

On-site ( DS & Algo) interview.
Google mainly focuses on logic and how you are coming with a solution. It notes down each and every small mistake. Interviewers are really very helpful. They expect clear code with an optimal approach.

  • Q1. 

    Farthest Distance From Lands Problem Statement

    Given a binary square matrix 'ARR' with 'N' rows and 'N' columns, where '0' represents water and '1' represents land.

    Determine the water cell whose distanc...

  • Ans. 

    Find the water cell farthest from land in a binary matrix using Manhattan distance.

    • Iterate through the matrix to find all land cells and water cells

    • Calculate the Manhattan distance of each water cell to the nearest land cell

    • Return the maximum distance found

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in BangaloreEligibility criteriaNo CriteriaGoogle interview preparation:Topics to prepare for the interview - Java, Data Structure, Algorithms, Dynamic Programming, STLTime required to prepare for the interview - 12 MonthsInterview preparation tips for other job seekers

Tip 1 : Participate in coding contests.
Tip 2 : Practice as many questions as you can.
Tip 3 : Do some good projects.

Application resume tips for other job seekers

Tip 1 : Have some projects on your resume.
Tip 2 : Do not put false things on your resume.

Final outcome of the interviewSelected

Skills evaluated in this interview

I appeared for an interview in May 2017.

Interview Questionnaire 

17 Questions

  • Q1. What is angular js
  • Ans. 

    AngularJS is a JavaScript framework for building dynamic web applications.

    • AngularJS is a client-side MVC framework.

    • It allows developers to build single-page applications.

    • It extends HTML with new attributes and tags.

    • AngularJS uses two-way data binding to automatically synchronize data between the model and the view.

    • It provides dependency injection and modularization features.

    • Some popular examples of websites built with ...

  • Answered by AI
  • Q2. What is directive
  • Ans. 

    A directive is a programming construct that provides instructions to a compiler or interpreter.

    • Directives are used to control the behavior of a program or to provide additional information to the compiler or interpreter.

    • They are typically written as special comments or statements in the code.

    • Examples of directives include #include in C/C++ to include header files, #pragma to control compiler-specific behavior, and #def...

  • Answered by AI
  • Q3. What is factory
  • Ans. 

    A factory is a design pattern that provides an interface for creating objects of a certain class.

    • A factory encapsulates the object creation logic and hides it from the client.

    • It allows the client to create objects without knowing the specific class or implementation details.

    • Factories can be used to create different types of objects based on certain conditions or parameters.

    • They promote loose coupling and flexibility in...

  • Answered by AI
  • Q4. What is services
  • Ans. 

    Services are software components that perform specific tasks or provide functionality to other software applications.

    • Services are self-contained and independent modules that can be accessed by other software components.

    • They can be used to handle business logic, data processing, communication with external systems, etc.

    • Examples of services include web services, microservices, RESTful APIs, and cloud services.

    • Services ca...

  • Answered by AI
  • Q5. What is the difference between factory and service
  • Ans. 

    A factory is responsible for creating and managing objects, while a service is responsible for providing specific functionality or performing tasks.

    • A factory is used to create and initialize objects, often based on certain parameters or configurations.

    • A service is a component that provides specific functionality or performs tasks for other components or systems.

    • Factories are commonly used in object-oriented programming...

  • Answered by AI
  • Q6. Write a program to sort
  • Ans. 

    A program to sort an array of strings.

    • Use a sorting algorithm like bubble sort, insertion sort, or quicksort.

    • Compare strings using a comparison function.

    • Implement the sorting algorithm in a function that takes the array as input and modifies it in place.

  • Answered by AI
  • Q7. Write a program to display words separated by space
  • Ans. 

    This program displays words separated by spaces.

    • Use an array of strings to store the words.

    • Iterate through the array and print each word followed by a space.

    • Exclude the space after the last word.

  • Answered by AI
  • Q8. What is provider
  • Ans. 

    A provider is a software component or service that supplies data, functionality, or resources to other software applications.

    • A provider is responsible for delivering data, services, or resources to other software components or applications.

    • Providers can be APIs, libraries, frameworks, or any other software component that offers functionality to other software.

    • Examples of providers include database management systems, c...

  • Answered by AI
  • Q9. What is$watch and $ digest
  • Ans. 

    The $watch and $digest are two important concepts in AngularJS for data binding and updating the view.

    • $watch is a function in AngularJS that allows you to watch for changes in a specific variable or expression.

    • $digest is a function in AngularJS that triggers a process called the digest cycle, which updates the bindings and synchronizes the model and view.

    • The $watch function takes two parameters: the variable or express...

  • Answered by AI
  • Q10. What is ng-repeat
  • Ans. 

    ng-repeat is a directive in AngularJS used to repeat HTML elements for each item in an array.

    • ng-repeat is used to create a loop in AngularJS

    • It is commonly used to display a list of items from an array

    • The directive is placed on an HTML element and uses the 'item in array' syntax

    • It can also be used with filters and sorting

    • Example:

    • {{ item }}
  • Answered by AI
  • Q11. How to get value from ng-getValue=""
  • Ans. 

    ng-getValue is not a standard attribute in Angular. It may be a custom directive or a typo.

    • Check if ng-getValue is a custom directive or attribute in your Angular application

    • Verify if it is being used correctly in the HTML template

    • If it is a typo, correct it to the appropriate attribute or directive

  • Answered by AI
  • Q12. How do you develop CSS without using bootstrap
  • Ans. 

    Developing CSS without using bootstrap involves writing custom CSS code to style web pages.

    • Write CSS code to define styles for HTML elements

    • Use CSS selectors to target specific elements

    • Apply CSS properties to modify the appearance of elements

    • Create media queries for responsive design

    • Implement CSS animations and transitions

    • Optimize CSS code for performance

  • Answered by AI
  • Q13. What is CDN
  • Ans. 

    CDN stands for Content Delivery Network. It is a distributed network of servers that deliver web content to users based on their geographic location.

    • CDN improves website performance by reducing latency and increasing page load speed.

    • CDN caches content in multiple locations, allowing users to access it from a server closest to them.

    • CDN can handle high traffic loads and distribute it across multiple servers.

    • Popular CDN p...

  • Answered by AI
  • Q14. How do you display different color in atable using css for odd even rows
  • Ans. 

    To display different colors in a table using CSS for odd and even rows, you can use the :nth-child() selector.

    • Use the :nth-child(odd) selector to target odd rows and apply a specific color using the background-color property.

    • Use the :nth-child(even) selector to target even rows and apply a different color using the background-color property.

    • For example, you can use CSS code like this: tr:nth-child(odd) { background-c...

  • Answered by AI
  • Q15. How do you develop CSS for different devices
  • Ans. 

    To develop CSS for different devices, use media queries, responsive design principles, and testing on various devices.

    • Use media queries to apply different CSS styles based on the device's screen size

    • Follow responsive design principles to ensure the layout adapts to different devices

    • Test the CSS on various devices to ensure compatibility and responsiveness

  • Answered by AI
  • Q16. What is $ rootscope
  • Ans. 

    The $rootscope is a service in AngularJS that provides a global scope for sharing data between controllers.

    • It is a part of the AngularJS framework.

    • It is used to share data between controllers.

    • It is a singleton object accessible throughout the application.

    • It can be used to broadcast and listen to events.

  • Answered by AI
  • Q17. What is jquery
  • Ans. 

    jQuery is a fast, small, and feature-rich JavaScript library that simplifies HTML document traversal and manipulation, event handling, and animation.

    • jQuery is a JavaScript library.

    • It simplifies HTML document traversal and manipulation.

    • It provides easy event handling and animation.

    • jQuery is fast, small, and feature-rich.

  • Answered by AI

Interview Preparation Tips

Skills: angular JS, Java Programming, css, Javascript

Skills evaluated in this interview

Penny Software Interview FAQs

How to prepare for Penny Software 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 Penny Software. The most common topics and skills that interviewers at Penny Software expect are Prototype, Backend, Data Structures, HTML and SQL.

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