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I applied via Naukri.com and was interviewed in Sep 2023. There were 3 interview rounds.
Python/Django based task to create split wise application
Binary search is a divide and conquer algorithm that efficiently finds the target value within a sorted array.
Divide the array in half and compare the target value to the middle element
If the target value is less than the middle element, search the left half of the array
If the target value is greater than the middle element, search the right half of the array
Repeat the process until the target value is found or the sub
Find the maximum sum of a subarray within an array of integers.
Use Kadane's algorithm to find the maximum sum subarray in O(n) time complexity.
Initialize max_sum and current_sum variables to track the maximum sum subarray.
Iterate through the array and update current_sum by adding the current element or starting a new subarray.
Update max_sum if current_sum is greater than max_sum.
Return max_sum as the result.
Find the longest sequence of consecutive numbers in an array of strings.
Iterate through the array and keep track of the current sequence length
Update the longest sequence length as you iterate
Handle edge cases like non-numeric strings or empty arrays
Example: ['1', '2', '3', '5', '6', '7'] -> Longest sequence: 3
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I appeared for an interview before Sep 2020.
Round duration - 120 minutes
Round difficulty - Easy
It was a mix of mathematical aptitude, logical ability, and puzzles along with 2 programming questions of easy and medium level. Time was enough and no sectional time was present. 1-2 MCQs on SQL were also present.
This round was immediately followed by an SHL aptitude test which was basically a quick limited time check of your verbal ability and math because many questions were to be done in 1 hour.
Given a 2-dimensional boolean matrix mat
of size N x M, your task is to modify the matrix such that if any element is 1, set its entire row and column to 1. Specifi...
Modify a boolean matrix such that if any element is 1, set its entire row and column to 1.
Iterate through the matrix and mark rows and columns to be modified
Use additional arrays to keep track of rows and columns to be modified
Update the matrix in-place based on the marked rows and columns
Round duration - 60 minutes
Round difficulty - Easy
It was an online video interview round on HackerEarth with simultaneous code option. It was mostly justifying your resume in the first 15 minutes. After that OOPS was majorly asked. Basics of programming including questions on STL were asked. A class which required inheritance was asked by the interviewer to write. I was helped by the interviewer if i got stuck somewhere, Some questions on implementation of hashmaps and priority queues were also asked. A puzzle was asked which luckily struct to me at that moment.
Tip 1 : Never give up
Tip 2 : When u start a topic, don't move on to next topic before you are 100% confident in previous topic
Tip 3 : Try to give maximum time on basics of a topic especially OOPS
Tip 4 - Practice Atleast 250 Questions
Tip 5 - Ex- Do atleast 2 projects
Tip 1 : Write only those things in resume in which you are 100% confident
Tip 2 : Write maximum projects you have and be ready to explain them thoroughly
Tip 3 : Don't make any silly spelling mistakes on resume
I applied via Company Website and was interviewed before Sep 2019. There were 5 interview rounds.
I applied via Naukri.com and was interviewed before Jul 2022. There were 3 interview rounds.
Closures are functions that have access to variables from their outer scope even after the outer function has finished executing.
Closures are created when a function is defined within another function and has access to the outer function's variables.
They can access variables from the outer function even after the outer function has returned.
Closures are commonly used in event handlers and callbacks in JavaScript.
Event loop is a mechanism that allows JavaScript to perform non-blocking operations by handling asynchronous events.
Event loop is responsible for executing code, collecting and processing events, and executing queued sub-tasks.
ES5 features include strict mode, JSON object, Array methods like forEach, map, filter, and reduce, and Object.create method.
ES5 also introduced new methods for manipulating strings, such as trim
I applied via Campus Placement and was interviewed before Nov 2023. There was 1 interview round.
Question were very basic from array and stacks
SDLC lifecycle involves planning, designing, developing, testing, deploying, and maintaining software components and architecture.
SDLC (Software Development Life Cycle) includes phases like planning, designing, coding, testing, and maintenance.
Components are designed, developed, tested, and integrated into the overall architecture.
Architecture involves defining the structure, behavior, and interactions of software comp...
posted on 1 Nov 2023
I applied via Approached by Company and was interviewed before Nov 2022. There were 4 interview rounds.
Designing a low level architecture for a quiz portal application
Use a microservices architecture for scalability and flexibility
Implement a database schema to store quiz questions, answers, and user responses
Utilize caching mechanisms to improve performance
Design an authentication system to ensure secure access to quizzes
Include features for creating, editing, and taking quizzes
I applied via Job Portal and was interviewed before Nov 2023. There were 3 interview rounds.
Use a user table with a column for user type (free, gold, platinum)
Create a user table with columns for user ID, name, email, user type
Use a separate table for user types with columns for type ID and type name
Establish a one-to-many relationship between user and user type tables
Example: user table - user_id, name, email, type_id; user_type table - type_id, type_name
High-level design for a live rank dashboard for a live test with millions of users.
Use a scalable architecture to handle millions of users concurrently.
Implement real-time data processing to update ranks dynamically.
Utilize caching mechanisms to improve performance and reduce load on the database.
Design a user-friendly interface with intuitive data visualization.
Include features for filtering, sorting, and searching to
Question on Linked list. array and string manipulation.
based on 1 interview
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