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Use the given request attributes to generate multiple combinations in Config Builder
Identify all the attributes in the request response structure
Create a list of possible values for each attribute
Generate all possible combinations of values from the attributes
I applied via LinkedIn and was interviewed in Apr 2024. There was 1 interview round.
The Coding test was very long and there was not sufficient time to complete the interview
I was interviewed before Apr 2021.
Round duration - 45 Minutes
Round difficulty - Medium
It was in the mid day and since I applied for a Frontend role the discussion was majorly around data structure and bit of Javascript.
The interviewer was helping and good listener.
You are provided with two sorted linked lists. Your task is to merge them into a single sorted linked list and return the head of the combined linked list.
...Merge two sorted linked lists into a single sorted linked list without using additional space.
Create a dummy node to start the merged list
Compare the values of the two linked lists and add the smaller value to the merged list
Move the pointer of the merged list and the pointer of the smaller value list
Continue this process until one of the lists is fully traversed
Append the remaining elements of the other list to the me
Given an integer array arr
of size 'N' containing only 0s, 1s, and 2s, write an algorithm to sort the array.
The first line contains an integer 'T' representing the n...
Sort an array of 0s, 1s, and 2s in linear time complexity.
Use three pointers to keep track of 0s, 1s, and 2s while traversing the array.
Swap elements based on the values encountered to sort the array in-place.
Time complexity should be O(N) and space complexity should be O(1).
Round duration - 60 Minutes
Round difficulty - Medium
It was more of a in depth round on the framework I'm working on and problem solving.
The event loop is a mechanism in programming that allows for asynchronous execution of code.
The event loop is a key component in JavaScript's runtime environment, responsible for handling asynchronous operations.
It continuously checks the call stack for any pending tasks and executes them in a non-blocking manner.
The event loop ensures that the program remains responsive by allowing other code to run while waiting for ...
Output-based questions in JavaScript using browser APIs
Example 1: Write a script that uses the Geolocation API to display the user's current location on a map
Example 2: Create a program that uses the Web Audio API to play a sound when a button is clicked
Example 3: Develop a web page that uses the Canvas API to draw a simple animation
Designing a system to support localization in a mobile app
Use resource files to store localized strings for different languages
Implement a language selection feature for users to choose their preferred language
Utilize localization libraries or frameworks to streamline the process
Consider cultural differences when localizing content, such as date formats and currency symbols
Round duration - 75 Minutes
Round difficulty - Hard
It was more of a fitment/managerial round.
Didn't had any coding questions, but was asked more on approaches and optimisations.
Discussions on the project you have worked on.
To find the fastest 3 horses out of a group with 5 horses racing at a time, we can use a tournament style approach.
Divide the horses into groups of 5 and race them against each other. This will give you the fastest horse in each group.
Take the winners from each group and race them against each other. The top 3 horses in this final race will be the fastest 3 overall.
Keep track of the results and compare the timings to d
To debug lag on a screen, analyze code, check for memory leaks, optimize rendering, and use profiling tools.
Analyze code to identify any inefficient algorithms or operations causing lag.
Check for memory leaks that could be impacting performance.
Optimize rendering by reducing the number of draw calls, optimizing shaders, and minimizing overdraw.
Use profiling tools like Xcode Instruments or Android Profiler to identify p
The app I recently worked on is a social media platform for sharing photos and connecting with friends.
The app follows a client-server architecture, with the client being the mobile app and the server handling data storage and processing.
The client side is built using React Native for cross-platform compatibility.
The server side is implemented using Node.js with a MongoDB database for storing user data and photos.
The a...
Tip 1 : Get your JS fundamentals right (if applying for a Frontend role, https://javascript.info/ is a good start)
Tip 2 : Apart from preparing data structures, practise on the communication skills as well (prepare your introduction, be a good listener and on spot improvisation plays key roles)
Tip 1 : highlight projects related to the job profile in your resume and mention what was your contribution in them precisely in 1/2 lines.
Tip 2 : Include URLs to applications/projects that you have build and your achievements/blog (if any)
iOS 14 introduced new features like App Library, Widgets, Picture in Picture, and Translate app.
App Library organizes apps automatically into categories
Widgets can be added to the home screen for quick access to information
Picture in Picture allows for video playback while using other apps
Translate app offers real-time translation in multiple languages
Display list of images with unit tests
I applied via Approached by Company and was interviewed in Sep 2024. There was 1 interview round.
Android basic + DSA and problem solving
Android is a mobile operating system developed by Google, based on the Linux kernel.
Android is open-source and allows developers to create applications using Java or Kotlin.
Android apps can be distributed through the Google Play Store or other third-party app stores.
Android supports a wide range of devices, from smartphones and tablets to smart TVs and wearables.
Android provides a rich set of APIs for accessing device ...
I applied via Approached by Company and was interviewed in May 2024. There was 1 interview round.
HackerRank Test - 2 Medium Questions
1. Given an Array Weights of Chocolates, Find Maximum amount of Chocolate that can be saved after "d" days, if you eat half the weight of one of the chocolates every day.
2. Find Closest String with equal number of vowels and consonants.
I was interviewed before May 2021.
Round duration - 150 Minutes
Round difficulty - Medium
3 coding questions and 20 mcq's
Given an integer array ARR
and a positive integer K
, your task is to determine two non-overlapping subarrays of length K
that yield the maximum combined sum.
The task is to find two non-overlapping subarrays of length K in an array, such that their sum is maximum.
Iterate through the array and calculate the sum of each subarray of length K
Store the maximum sum obtained from the first subarray
Iterate again and calculate the sum of each subarray of length K, excluding the previous subarray
Store the maximum sum obtained from the second subarray
Return the sum of the two maximum
You are given a string 'S' of length 'N' which may include duplicate alphabets. Your goal is to calculate the number of distinct subsequences in the string.
The task is to find the count of distinct subsequences in a given string.
Use dynamic programming to solve the problem.
Create a 2D array to store the count of distinct subsequences for each prefix of the string.
Initialize the first row of the array with 1, as there is only one subsequence of an empty string.
For each character in the string, calculate the count of distinct subsequences by considering two cases: including...
Given two integer arrays/ lists ARR1
and ARR2
of sizes N
and M
respectively, you are required to determine their intersection. An intersection is defined as the set of...
The task is to find the intersection of two integer arrays/lists.
Read the number of test cases
For each test case, read the size and elements of the first array/list
Read the size and elements of the second array/list
Find the intersection of the two arrays/lists
Print the intersection elements in the order they appear in the first array/list
Round duration - 120 Minutes
Round difficulty - Medium
Online video call based round, Timing was 10-11 AM
Interview started with basic greetings, post that i explained by projects in brief and then we jumped right into dsa questoins.
You are given a non-empty grid that consists of only 0s and 1s. Your task is to determine the number of islands in this grid.
An island is defined as a group of 1s (re...
The task is to find the number of islands in a grid consisting of 0s and 1s.
An island is a group of 1s connected horizontally, vertically, or diagonally
The grid is surrounded by 0s on all four edges
Use a depth-first search (DFS) or breadth-first search (BFS) algorithm to traverse the grid and count the number of islands
Initialize a visited array to keep track of visited cells
For each unvisited cell with a value of 1, p...
Determine the number of permutations of list A
= [1, 2, ..., N] such that for every index i
, either A[i]
is divisible by i
or i
is divisible by A[i]
.
The input start...
The goal is to find the number of permutations of a list satisfying certain conditions.
Iterate through all permutations of the list
Check if each permutation satisfies the given conditions
Count the number of permutations that satisfy the conditions
Return the count for each test case
Determine if a given N * N matrix is an idempotent matrix. A matrix is considered idempotent if it satisfies the following condition:
M * M = M
The first line cont...
An idempotent matrix is a square matrix that remains unchanged when multiplied by itself.
Check if the given matrix satisfies the property M*M = M
Iterate through each element of the matrix and perform the matrix multiplication
Compare the result with the original matrix
If they are equal, return true; otherwise, return false
Round duration - 120 Minutes
Round difficulty - Easy
This was EM round, started with me explaining my projects in deep and facing some counter questions on that, proceeded to os, dbms basic questions and some low level designing and lastly a puzzle to end interview.
Design attendance management system
Create a database to store employee information
Implement a user interface for employees to mark their attendance
Develop a system to track and record attendance data
Generate reports and analytics based on attendance data
Round duration - 20 Minutes
Round difficulty - Easy
This was formality round, HR came and explained what meesho does and told my joining dates and compensation details.
Tip 1 : Do medium level queustions
Tip 2 : Learn basic system design for startup interviews.
Tip 1 : Put things on your resume that you know by your heart, otherwise will have a lot of difficulty in the HM round.
Tip 2 : Do not mention co-curricular activities on your resume.
I applied via Approached by Company and was interviewed in Jan 2022. There were 4 interview rounds.
It was sort of pair programming where you will be told to implement some feature. Here they check your coding style, your approach and the architecture you follow.
An immutable class is a class whose instances cannot be modified after creation.
Use final keyword for class declaration to prevent inheritance
Make all fields private and final to prevent modification
Do not provide setter methods, only getter methods should be used
Implement a Springboot service to intercept HTTP requests.
Create a Springboot application with necessary dependencies.
Implement a custom interceptor by extending HandlerInterceptorAdapter.
Override preHandle and postHandle methods to intercept requests and responses.
Register the interceptor in the WebMvcConfigurerAdapter configuration class.
based on 2 interviews
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