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posted on 5 Mar 2025
I appeared for an interview in Feb 2025.
Duration: 30 minutes - Format: Online coding challenge - Type: Technical screening - Questions: 2 to 3 coding problems.
Be prepared to answer in-depth technical questions.
- Review data structures, algorithms, and system design concepts.
- Practice explaining complex technical concepts in simple terms.
- Be ready to write code on a shared document or whiteboard.
Aptitude Test:
The aptitude test was a *multiple-choice question*-based assessment that evaluated my logical reasoning, problem-solving, and analytical skills. It consisted of:
- *Quantitative reasoning*: Mathematical problems, such as algebra, geometry, and data interpretation.
- *Logical reasoning*: Pattern recognition, deductive reasoning, and logical puzzles.
- *Verbal reasoning*: Reading comprehension, grammar, and vocabulary.
Aptitude Test Details:
- *Duration*: 60 minutes
- *Format*: Online multiple-choice questions
- *Type*: Aptitude test
- *Questions*: 30-40 questions
What to expect:
- Practice solving logical and mathematical problems.
- Review basic mathematical concepts, such as algebra and geometry.
- Improve your reading comprehension and verbal skills.
- Manage your time effectively to complete the test within the given time frame.
Assignment:
The assignment was a *take-home project* that tested my technical skills, problem-solving abilities, and coding expertise. I was given:
- A set of requirements and specifications
- A deadline to complete the project
- Freedom to choose the programming language and tools
Assignment Details:
- *Duration*: 3-5 days
- *Format*: Take-home project
- *Type*: Technical assignment
- *Requirements*: Implement a specific feature or functionality
What to expect:
- Carefully read and understand the requirements and specifications.
- Plan and design the solution before starting to code.
- Write clean, efficient, and well-documented code.
- Test the solution thoroughly to ensure it meets the requirements.
- Submit the assignment on time, along with any required documentation.
posted on 8 Apr 2021
posted on 19 May 2022
I appeared for an interview before May 2021.
Round duration - 60 Minutes
Round difficulty - Easy
Given a binary tree with 'N' nodes, your task is to print the nodes in spiral order traversal.
The binary tree is represented i...
Print nodes of a binary tree in spiral order traversal.
Use a queue to perform level order traversal of the binary tree.
Alternate between printing nodes from left to right and right to left at each level.
Handle null nodes represented by '-1' appropriately.
Example: For input '1 2 3 -1 -1 4 5 -1 -1 -1 -1', the output should be '1 3 2 4 5'.
Round duration - 60 Minutes
Round difficulty - Easy
You are given a list of N
strings called A
. Your task is to determine whether you can form a given target string by combining one or more strings from A
.
The strings from A
c...
Given a list of strings, determine if a target string can be formed by combining one or more strings from the list.
Iterate through all possible combinations of strings from the list to form the target string.
Use recursion to try different combinations of strings.
Check if the current combination forms the target string.
Return true if a valid combination is found, otherwise return false.
Round duration - 60 Minutes
Round difficulty - Easy
Design an elevator system for efficient vertical transportation.
Divide building into zones to optimize elevator usage.
Implement algorithms for efficient elevator scheduling.
Include safety features like emergency stop buttons and overload sensors.
Consider user interface for passengers to select floors and monitor elevator status.
Tip 1 : Never give up
Tip 2 : Practice
Tip 3 : Be positive
Tip 1 : Keep it short
Tip 2 : Highlight skills and achievements
I appeared for an interview in Jul 2019.
I applied via Naukri.com and was interviewed in Mar 2020. There were 4 interview rounds.
Rotational shifts refer to working in different shifts at different times. Web service flow is the sequence of steps involved in a web service request. Checking ports on Unix or Solaris machine involves using the netstat command.
Rotational shifts involve working in different shifts at different times, such as day shift, night shift, and swing shift.
Web service flow involves a sequence of steps, such as sending a reques...
posted on 4 Mar 2021
Learning programming languages is important for software engineers to effectively communicate with computers and develop software solutions.
Programming languages are the foundation of software development.
Learning multiple languages expands the range of problems a software engineer can solve.
Different languages have different strengths and are suited for different tasks.
Knowing multiple languages improves adaptability ...
I applied via Campus Placement and was interviewed before Jun 2020. There were 4 interview rounds.
I appeared for an interview before Sep 2020.
Round duration - 120minutes
Round difficulty - Easy
It was an online MCQ's + coding round consisting of 20 MCQ’s and 1 coding problem.
Check for a loop in a linked list by using two pointers moving at different speeds.
Use two pointers, one moving at double the speed of the other.
If there is a loop, the two pointers will eventually meet at the same node.
Example: 1 -> 2 -> 3 -> 4 -> 5 -> 2 (loop back to 2), the two pointers will meet at node 2.
Round duration - 50 minutes
Round difficulty - Easy
The interview started at 8:30 pm in cc of Delhi Technological University itself and it was quite late. There was only a single interviewer and he asked me one coding question related to overflow of integers.
To check for integer overflow when multiplying two integers, use the properties of integer overflow and check if the result is within the valid range of the integer type.
Check if the signs of the two integers are the same to avoid overflow in case of multiplication.
Use the properties of integer overflow to detect if the result exceeds the maximum or minimum value of the integer type.
Consider using a larger data type or...
Round duration - 15 minutes
Round difficulty - Easy
It was quite late . There was only one interviewer and I was asked about my family , education and future plannings and few questions related joining locations and documents etc.
Focus on data structures and algorithms part more. Tell the interviewer , starting from the brute force approach to the most optimal solution as this will give a good impression to the interviewer.
Application resume tips for other job seekersTo be honest, the problem-solving ability is the only thing that most companies care about. So you can manipulate your resume according to that. Mention your competitive programming handles in your resume and also other coding ranks or achievements which you have achieved.
Final outcome of the interviewSelectedI applied via Naukri.com and was interviewed in Sep 2020. There were 3 interview rounds.
posted on 9 Jun 2017
I appeared for an interview in May 2017.
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
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
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...
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...
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...
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.
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.
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
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...
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:
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
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
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...
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...
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
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.
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.
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