Crescent Opto Pvt. Ltd. Interview Questions and Answers

Online test with a few behavioral questions and games. Nothing difficult.

This round included CSE Core MCQs and 2 coding questions. MCQs where moderated and Coding questions were for Leetcode Medium-Hard difficulty.

Q1. Interview Round - Resume based questions regarding internships, projects and tech stacks.
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Q2. Python-based simple questions, a few DBMS questions, and some AI/ML. Nothing too difficult and one-liner answers were expected.
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Round duration - 120 minutes
Round difficulty - Easy

Round duration - 90 minutes
Round difficulty - Medium

The round contains mcqs on core java , javascript , oops and two coding questions of data structures.
The exam was at 7pm
Platform was good

Q1. 
Submatrix Sum Query
Given a 2-dimensional array ARR with 'N' rows and 'M' columns, and a set of queries in a 2-dimensional array Queries of size 'K', each query contains four integers that denote the top-...read more
Ans. 
Given a 2D array and a set of queries, find the sum of elements within specified submatrices for each query.
• Parse input to get array dimensions, elements, and queries

• Iterate through queries and calculate sum of elements within specified submatrix

• Output the sum for each query
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Q2. 
String Rotation Problem Statement
You are given a string named str and an integer D. Your task is to perform both left (anticlockwise) and right (clockwise) rotations on the given string by D units, start...read more
Ans. 
Implement functions to perform left and right rotations on a given string by a specified number of positions.
• Implement a function leftRotate() to perform left rotation on the string by D units.

• Implement a function rightRotate() to perform right rotation on the string by D units.

• Return the modified string after each rotation.

• Ensure to handle cases where D can be greater than the length of the string.
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Q1. Just be yourself. Know what you have done in previous organisations and what is written in your resume.
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Q2. Easy technical questions related to your field.
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Q1. How a company get the high level profit..?
Ans. 
A company can achieve high level profit through various strategies and factors.
• Increasing sales and revenue

• Reducing costs and expenses

• Improving operational efficiency

• Expanding into new markets or product lines

• Effective marketing and advertising

• Strong customer retention and loyalty

• Innovation and differentiation

• Optimizing pricing strategies

• Effective financial management

• Strategic partnerships and collaborations
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Q2. How to teach a fresher to do work ..?
Ans. 
Teaching a fresher to do work involves providing clear instructions, offering guidance and support, and allowing room for learning and growth.
• Clearly explain the task and provide step-by-step instructions.

• Demonstrate the task and encourage the fresher to ask questions.

• Offer guidance and support throughout the learning process.

• Provide constructive feedback and encourage improvement.

• Allow the fresher to make mistakes and...read more
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Hii my self Kishore.....what are u doing for the company please we will work in response and get a success

There were Aptitude Questions and 2 Easy Level Coding Questions.

Q1. They will ask us our favorite subject and questions will be based on that: Mine was Data Science. 1.They asked me about my paper Publication 2.Code for quick sort(Any language) 3.What is Hypothesis Testing...read more
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Q1. 1.What is paging? 2.Time Series Analysis 3.What is Gradient Descent? Etc..
Ans. 
1. Paging is a memory management technique used by operating systems to manage memory allocation for processes.
• Paging divides memory into fixed-size pages and allocates them to processes as needed.

• It allows for efficient use of memory and prevents fragmentation.

• Page tables are used to keep track of which pages are allocated to which processes.

• When a process needs to access a page that is not currently in memory, a page...read more
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Reasoning, maths, English

I were asked to prepare a email latter to client to seek more time to dilever goods at his premises.

Q1. What have done throughout your professional career
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Q1. Renumeration and negotiations on C2C
Ans. I have skill set to do this work ans would like to have same payout.
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Q2. What if you do not complete your sale target on specified period
Ans. 
If I do not meet my sales target within the specified period, I would analyze the reasons, adjust my strategies, seek guidance from my manager, and work harder to achieve the target.
• Analyze the reasons for not meeting the target

• Adjust sales strategies based on the analysis

• Seek guidance from the manager for advice and support

• Work harder and put in extra effort to achieve the target

• Focus on building customer relationship
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