Cerium Systems Developer Interview Questions and Answers

Q1. What are your top 3 strengths?
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Q2. What are your top 3 weaknesses?
Ans. 
I am always striving to improve, but my current weaknesses are: perfectionism, public speaking, and delegating tasks.
• Perfectionism can lead to spending too much time on small details and missing deadlines.

• Public speaking can make me nervous and I may need to practice more to feel confident.

• Delegating tasks can be difficult for me because I like to have control over the outcome, but I am working on trusting others to ha
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Round duration - 45 minutes
Round difficulty - Medium

Its a zoom call interview which lasted for 45 minutes. initially there are two panel members in which one is very targetting at me. They asked me different type of questions like jumping from DSA to project then to python then again java. Its a mixed combo pack type interview. for each and every question they asked me the real time example. The discussion on my project lasted for 15-20 mins.

Q1. 
Count Set Bits Problem Statement
Given a positive integer N, compute the total number of '1's in the binary representation of all numbers from 1 to N. Return this count modulo 1e9+7 because the result can...read more
Ans. 
Count the total number of set bits in the binary representation of numbers from 1 to N modulo 1e9+7.
• Use bitwise operations to count the set bits in each number from 1 to N.

• Keep track of the total set bits and return the result modulo 1e9+7.

• Optimize the solution to handle large values of N efficiently.

• Consider using dynamic programming or precomputing values for faster computation.
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Round duration - 30 mins
Round difficulty - Easy

This round was a zoom interview. The interview started with my brief introduction. This time the interview was more interested in my hobbies and passions. He asked me what do you do to keep yourself updated with the latest technology trends?

Q1. What is normalization
Ans. 
Normalization is the process of organizing data in a database to reduce redundancy and improve data integrity.
• Normalization is used to eliminate data redundancy by breaking up tables into smaller, related tables.

• It helps in reducing data anomalies such as insertion, update, and deletion anomalies.

• Normalization is achieved through a series of stages called normal forms, with the most common being First Normal Form (1NF)...read more
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Q2. Code for armstrong alogrithm
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Armstrong algorithm is used to find Armstrong numbers in a given range.
• Iterate through the numbers in the given range

• Calculate the sum of cubes of each digit in the number

• Check if the sum is equal to the original number
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