Protiviti Software Developer Interview Questions and Answers

Round duration - 90 minutes
Round difficulty - Medium

This test consists of two coding questions and some MCQ regarding computer fundamentals.

Q1. 
Kevin and His Cards Problem Statement
Kevin has two packs of cards. The first pack contains N cards, and the second contains M cards. Each card has an integer written on it. Determine two results: the tot...read more
Ans. 
Find total distinct card types and common card types between two packs of cards.
• Create a set to store distinct card types when combining both packs.

• Iterate through each pack and add card types to the set.

• Find the intersection of card types between the two packs to get common card types.
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Q2. 
Allocate Books Problem Statement
Given an array of integers arr, where arr[i] represents the number of pages in the i-th book, and an integer m representing the number of students, allocate all the books ...read more
Ans. 
Allocate books to students in a way that minimizes the maximum number of pages assigned to a student.
• Iterate through all possible allocations of books to students.

• Calculate the maximum number of pages assigned to a student for each allocation.

• Return the minimum of these maximums as the result.
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Round duration - 40 minutes
Round difficulty - Easy

It was a technical round that is based on DSA and computer fundamentals.

Q1. 
Reverse Linked List Problem Statement
Given a singly linked list of integers, return the head of the reversed linked list.
Example:
Initial linked list: 1 -> 2 -> 3 -> 4 -> NULL
Reversed link...read more
Ans. 
Reverse a singly linked list of integers and return the head of the reversed linked list.
• Iterate through the linked list and reverse the pointers to point to the previous node instead of the next node.

• Use three pointers - prev, current, and next to reverse the linked list in O(N) time and O(1) space complexity.

• Update the head of the reversed linked list as the last node encountered during the reversal process.
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Q2. 
Sort 0 1 2 Problem Statement
Given an integer array arr of size 'N' containing only 0s, 1s, and 2s, write an algorithm to sort the array.
Input:
The first line contains an integer 'T' representing the n...read more
Ans. 
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).
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Challenging questions in mathematics.

A constructive discussion about the significance of various topics and additional aspects.

1 20 mark easy ques and 1 50 mark med ques, time : 1h 30 mins i guess

Q1. Common elemnts two list , oops
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Q2. Case study and oops sql
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Hackerrank online assessment

Case study with a little bit of math for scenario based questions

2 questions of coding with a live interviewer

Behavioral and coding with a senior engineer

Q1. How do you handle conflicts
Ans. 
I handle conflicts by actively listening, seeking common ground, and finding mutually beneficial solutions.
• Actively listen to all parties involved to understand their perspectives

• Seek common ground and areas of agreement to build upon

• Find mutually beneficial solutions that address the concerns of all parties

• Communicate openly and transparently to resolve conflicts effectively
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Q2. What was the most challenging problem you had to solve so far
Ans. 
Developing a real-time data synchronization system across multiple servers
• Designing a scalable architecture to handle high volume of data

• Implementing efficient algorithms for data synchronization

• Handling conflicts and ensuring data consistency

• Testing the system under various load conditions
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I cleared the aptitude and coding tests, followed by the communication assessment. After successfully passing both rounds, I was shortlisted for the interviews.

Q1. Tell me about yourself
Ans. 
I am a passionate software developer with experience in building web applications using various technologies.
• Experienced in developing web applications using HTML, CSS, JavaScript, and frameworks like React and Angular

• Proficient in backend development with Node.js and databases like MongoDB and MySQL

• Familiar with version control systems like Git and project management tools like Jira
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Q2. Projects and what kind of person I am. Background check.
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Q1. Projects, resume
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Q2. Cloud computing and cyber security questions.
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Q1. Managerial round both technical and HR type questions where asked.
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Q2. Scenario based questions
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Q1. Tell about aws s3, uses, how to copy s3
Ans. 
AWS S3 is a cloud storage service provided by Amazon Web Services for storing and retrieving data.
• AWS S3 is used for storing and retrieving any amount of data at any time.

• It is commonly used for backup and recovery, archiving, data lakes, and big data analytics.

• To copy data in S3, you can use the AWS Management Console, AWS CLI, or AWS SDKs.

• For example, you can use the 'aws s3 cp' command in the AWS CLI to copy files b
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Q2. What is Lambada function, does lambda suitable for long run
Ans. 
Lambda function is an anonymous function in programming that can be used for short, simple tasks.
• Lambda functions are commonly used in functional programming languages like Python.

• They are often used for tasks that require a quick, one-time function without the need to define a separate function.

• Lambda functions can be used as arguments for higher-order functions like map, filter, and reduce.

• They are not suitable for l...read more
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It was the 1st round embedded with coding questions and pseudocodes.It was very easy to crack the 1st round

2nd round is group discussion.There was a pannel number.He will say one general topic.we want speak about it.But we should speak confidently, with a good communication skills

Q1. Tell me about your self
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Q2. Project regarding questions
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Q1. Java related concepts
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Q2. Existing project
Ans. 
The existing project is a web application for managing inventory and sales.
• The project uses React for the front-end and Node.js for the back-end.

• It integrates with a MySQL database to store product information and sales data.

• The application includes features such as user authentication, product search, and sales reporting.
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