Add office photos
Employer?
Claim Account for FREE

Virtusa Consulting Services

3.8
based on 4.8k Reviews
Filter interviews by

B Ravi Teja Interview Questions and Answers

Updated 5 Feb 2024
Popular Designations

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 linked list: 4 -> 3 -> 2...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 to keep track of the current, previous, and next nodes while reversing the linked list.

  • Update the head of the reversed linked list as the last node encountered during the reversal process.

Add your answer

Q2. Find the Third Greatest Element

Given an array 'ARR' of 'N' distinct integers, determine the third largest element in the array.

Input:

The first line contains a single integer 'T' representing the number of te...read more
Ans.

Find the third largest element in an array of distinct integers.

  • Sort the array in descending order and return the element at index 2.

  • Handle cases where the array has less than 3 elements separately.

  • Consider edge cases like negative numbers and duplicates.

Add your answer

Q3. Anagram Pairs Verification Problem

Your task is to determine if two given strings are anagrams of each other. Two strings are considered anagrams if you can rearrange the letters of one string to form the other...read more

Ans.

Determine if two strings are anagrams of each other by checking if they contain the same characters.

  • Create character frequency maps for both strings

  • Compare the frequency of characters in both maps to check if they are anagrams

  • Return True if the frequencies match, False otherwise

Add your answer

Q4. Queue Using Stacks Implementation

Design a queue data structure following the FIFO (First In First Out) principle using only stack instances.

Explanation:

Your task is to complete predefined functions to suppor...read more

Ans.

Implement a queue using stacks following FIFO principle.

  • Use two stacks to simulate a queue - one for enqueue and one for dequeue operations.

  • For enQueue operation, push elements onto the enqueue stack.

  • For deQueue operation, if the dequeue stack is empty, pop all elements from enqueue stack to dequeue stack.

  • For peek operation, return the top element of the dequeue stack.

  • For isEmpty operation, check if both stacks are empty.

  • Example: enQueue(5), enQueue(10), peek() -> 5, deQueue(...read more

Add your answer
Discover B Ravi Teja interview dos and don'ts from real experiences

Q5. Minimum Number of Swaps to Sort an Array

Find the minimum number of swaps required to sort a given array of distinct elements in ascending order.

Input:

T (number of test cases)
For each test case:
N (size of the...read more
Ans.

The minimum number of swaps required to sort a given array of distinct elements in ascending order.

  • Use a hashmap to store the original indices of the elements in the array.

  • Iterate through the array and swap elements to their correct positions.

  • Count the number of swaps needed to sort the array.

Add your answer
Q6. Can you describe the use case of Account Statements Transcription as a full stack application, which involves converting an uploaded Excel sheet document into an SQL table, fetching data as per user needs in th...read more
Ans.

Account Statements Transcription is a full stack application for converting Excel sheets to SQL tables, fetching data in UI, and allowing downloads in various formats.

  • Create a front-end interface for users to upload Excel sheets

  • Develop a back-end system to convert Excel data into SQL tables

  • Implement a query system to fetch data based on user needs in the UI

  • Provide options for users to download data in Excel or Word formats

Add your answer
Q7. In the 100 Prisoners problem, each prisoner is randomly assigned a red or black hat. They can see the hats of all other prisoners but not their own. The challenge is to devise a strategy that allows the maximum...read more
Ans.

Prisoners must devise a strategy to guess the color of their own hat based on the hats of others.

  • Prisoners can agree on a strategy before the hats are assigned.

  • One strategy is for each prisoner to count the number of hats of a certain color and use that information to guess their own hat color.

  • Another strategy involves using parity to determine the color of their own hat.

  • Prisoners can also use a signaling system to convey information about their hat color to others.

Add your answer
Contribute & help others!
Write a review
Share interview
Contribute salary
Add office photos

Interview Process at B Ravi Teja

based on 4 interviews
3 Interview rounds
Coding Test Round
Technical Round
HR Round
View more
Interview Tips & Stories
Ace your next interview with expert advice and inspiring stories

Top Full Stack Developer Interview Questions from Similar Companies

3.3
 • 26 Interview Questions
3.7
 • 20 Interview Questions
3.6
 • 18 Interview Questions
3.5
 • 17 Interview Questions
4.0
 • 15 Interview Questions
4.8
 • 14 Interview Questions
View all
Share an Interview
Stay ahead in your career. Get AmbitionBox app
qr-code
Helping over 1 Crore job seekers every month in choosing their right fit company
75 Lakh+

Reviews

5 Lakh+

Interviews

4 Crore+

Salaries

1 Cr+

Users/Month

Contribute to help millions

Made with ❤️ in India. Trademarks belong to their respective owners. All rights reserved © 2024 Info Edge (India) Ltd.

Follow us
  • Youtube
  • Instagram
  • LinkedIn
  • Facebook
  • Twitter