Anthology Senior Implementation Engineer Interview Questions and Answers

Q1. DS and algorithm questions
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Q1. IOS /Skillset questions some tricky questions
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Q1. Personality and Compensation discussion
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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.

Q1. 
Boolean Matrix Transformation Challenge
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...read more
Ans. 
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
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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.

Q1. Basics of js and react
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Q2. What are closures and give an example
Ans. 
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.
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Q3. What is event loop and features of es5
Ans. 
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
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Q1. General management round and past experience
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Common Aptitude along with HTML5, CSS

Q1. Mostly questions were on HTML5,CSS and web development related questions.
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Write the program to swipe number

Q1. How much salary do you want and what was you last ctc
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Q2. Tell me about your family
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Q1. Tell me something about your family members?
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Q1. What was your salary expectation?
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Q1. Who’s is in your family ? What your father does?
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Q2. What’s your salary expectation? Why do you want to join this company?
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Coding round with 3 problem statements

Q1. Questions related to project you have mentioned on resume
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Q2. Questions related to technologies you have mentioned
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Q3. Questions related to the coding test
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Q4. Nothing discussed everything as I know
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Q5. All the best those who are trying their best
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