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I appeared for an interview before Mar 2023.
HOC (Higher Order Components) in React are functions that take a component and return a new component with additional functionality.
HOCs are a common pattern in React for code reuse, logic abstraction, and separation of concerns.
They are used to enhance components with additional props, state, or lifecycle methods.
Example: Creating a HOC that adds a loading spinner while data is being fetched from an API.
A generic button component for React
Create a Button component with props for text, onClick function, and optional styles
Use React's useState hook to manage button state if needed
Implement onClick handler to trigger a function when button is clicked
Allow for customization of button styles using props
Memoization techniques involve storing the results of expensive function calls and returning the cached result when the same inputs occur again.
Using a hash table to store previously computed results
Implementing memoization with dynamic programming
Memoizing recursive functions to avoid redundant calculations
I appeared for an interview before Mar 2022.
Resolving team conflicts involves open communication, active listening, and collaborative problem-solving to maintain a positive work environment.
Encourage Open Communication: Create a safe space for team members to express their concerns and viewpoints without fear of judgment.
Active Listening: Practice active listening by acknowledging each person's perspective, which helps in understanding the root cause of the conf...
I applied via Campus Placement and was interviewed in Dec 2020. There were 3 interview rounds.
Program using recursion
Recursion is a technique where a function calls itself
It is useful for solving problems that can be broken down into smaller subproblems
Base case is important to avoid infinite recursion
Examples: factorial, fibonacci, binary search
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I applied via Naukri.com and was interviewed in Oct 2020. There was 1 interview round.
posted on 10 Nov 2015
I appeared for an interview before Oct 2020.
Round duration - 40 minutes
Round difficulty - Medium
Asked about time complexity of algorithm, puzzles, DBMS, cutting edge technologies etc. What are indexes?
Given an array of integers ARR
of size N, consisting of 0s and 1s, you need to select a sub-array and flip its bits. Your task is to return the maximum count of 1s that can b...
Given an array of 0s and 1s, find the maximum count of 1s by flipping a sub-array at most once.
Iterate through the array and keep track of the maximum count of 1s obtained by flipping a sub-array.
Consider flipping a sub-array from index i to j and calculate the count of 1s in the resulting array.
Return the maximum count of 1s obtained by flipping a sub-array at most once.
Round duration - 20 minutes
Round difficulty - Medium
Asked 1 standard algorithm
You are provided with a 2-dimensional matrix having N
rows and M
columns, containing only 1s (land) and 0s (water). Your goal is to determine the number of islands in t...
Count the number of islands in a 2D matrix of 1s and 0s.
Iterate through the matrix and perform depth-first search (DFS) to find connected 1s.
Mark visited cells to avoid redundant traversal.
Increment island count whenever a new island is encountered.
Tip 1 : prepare for competitive programming
Tip 2 : know about standard algorithm
Tip 3 : must be good with dbms
Tip 1 : must have projects, which you can explain to them
Tip 2 : have things on resume, that you are totally certain about.
posted on 30 Oct 2023
I applied via Campus Placement and was interviewed in Sep 2023. There were 3 interview rounds.
Easy and good English passage reading
I applied via LinkedIn and was interviewed in Nov 2021. There were 4 interview rounds.
based on 2 interview experiences
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