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I applied via Naukri.com and was interviewed in Apr 2023. There were 4 interview rounds.
I applied via Naukri.com and was interviewed before Dec 2023. There was 1 interview round.
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I was interviewed before Jan 2021.
Round duration - 60 minutes
Round difficulty - Easy
I couldn't find an optimal approach to the first question, so she skipped that question and proceeded to next questions. Remaining questions I have answered satisfactorily.
Given an array/list of positive integers and an integer K, determine if there exists a subset whose sum equals K.
Provide true
if such a subset exists, otherwise r...
Given an array of positive integers and an integer K, determine if there exists a subset whose sum equals K.
Use dynamic programming to solve this problem efficiently
Create a 2D array to store if a subset with a particular sum exists
Iterate through the array and update the 2D array accordingly
Check if the value at the end of the iteration is true for the given K
Given an undirected and disconnected graph G(V, E) where V vertices are numbered from 0 to V-1, and E represents edges, your task is to output the BFS traversal starting from the ...
BFS traversal in a disconnected graph starting from vertex 0.
Implement BFS algorithm to traverse the graph starting from vertex 0.
Use a queue to keep track of visited nodes and their neighbors.
Ensure to print the traversal sequence in the correct order.
Handle disconnected components by checking for unvisited nodes.
Follow the BFS approach of exploring neighbors before moving to the next level.
Round duration - 60 minutes
Round difficulty - Easy
I told that my strength is problem solving and I can always find a way when there is a bottle-neck. Gave some examples of my experiences while doing my assignments.
Given a string STR
consisting of words separated by spaces, your task is to replace all spaces between words with the characters "@40".
The first line contains an integ...
Replace spaces in a string with '@40'.
Iterate through each character in the string
Replace spaces with '@40'
Return the modified string
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
I was interviewed before Jan 2021.
Round duration - 60 minutes
Round difficulty - Easy
Technical Interview Round with questions based on Data structures, OOPS and SQL.
You are provided with a linked list of integers. Your task is to implement a function that deletes a node located at a specified position 'POS'.
The first line co...
Implement a function to delete a node from a linked list at a specified position.
Traverse the linked list to find the node at the specified position.
Update the pointers of the previous and next nodes to skip the node to be deleted.
Handle edge cases such as deleting the head or tail of the linked list.
Ensure to free the memory of the deleted node to avoid memory leaks.
SQL query to find the nth highest salary
Use the ORDER BY clause to sort salaries in descending order
Use the LIMIT and OFFSET clauses to skip the first n-1 highest salaries
Combine the above steps in a single query to find the nth highest salary
OOP is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
OOP focuses on creating objects that interact with each other to solve problems.
Key concepts include encapsulation, inheritance, and polymorphism.
Encapsulation involves bundling data and methods that operate on the data into a single unit.
Inheritance allows classes to inherit at...
Round duration - 60 minutes
Round difficulty - Easy
Was asked me about my favorite technologies, What i liked about Facebook. And asked me to design a cinema ticket reservation web site like the one satyam has.
Given an array containing N
distinct positive integers and a number K
, determine the Kth largest element in the array.
N = 6, K = 3, array = [2, 1, 5, 6, 3, ...
Find the Kth largest element in an array of distinct positive integers.
Sort the array in non-increasing order and return the Kth element.
Handle multiple test cases efficiently.
Ensure all elements in the array are distinct.
Virtual functions are functions in a base class that are overridden in derived classes to achieve runtime polymorphism.
Virtual functions are declared in a base class with the 'virtual' keyword.
They are overridden in derived classes using the 'override' keyword.
They allow a function to be called based on the runtime type of an object.
Virtual functions enable dynamic binding and late binding in C++.
Example: virtual void ...
Design a Cinema Ticket Reservation System
Use a database to store movie information, showtimes, and seat availability
Allow users to search for movies, select showtimes, and choose seats
Implement a payment system for ticket purchases
Send confirmation emails with QR codes for ticket validation
You can find a defective ball among 10 given balls in 2 attempts using a two-pan balance scale.
Divide the 10 balls into two groups of 5 each.
Weigh the two groups on the balance scale.
If one group is heavier, it contains the defective ball. If they are equal, the defective ball is in the remaining 5 balls.
Divide the group of 5 balls with the defective one into two groups of 2 and 3 balls.
Weigh the two groups on the bala...
Round duration - 30 minutes
Round difficulty - Easy
HR round that lasted for about 30 minutes. The interviewer asked me questions to know more about me and a puzzle.
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
I was interviewed before Jan 2021.
Round duration - 90 minutes
Round difficulty - Medium
It was conducted in Hacker rank which consisted of 10 aptitude questions that included C, C++, Java MCQ. 2 programming questions were also given.
Given an N x M
matrix filled with integers, determine the minimum sum obtainable from a path that starts at a specified cell (x, y)
and ends at the top left corner of t...
The problem involves finding the minimum sum path from a specified cell to the top left corner of a matrix.
Start from the specified cell and calculate the minimum sum path to reach the top left corner using dynamic programming.
Consider the three possible moves: down, right, and down-right diagonal.
Keep track of the minimum sum at each cell and update it based on the minimum of the three possible moves.
Finally, the mini...
Given an integer N
representing the number of pairs of parentheses, find all the possible combinations of balanced parentheses using the given number of pairs.
Generate all possible combinations of balanced parentheses for a given number of pairs.
Use backtracking to generate all possible combinations of balanced parentheses.
Keep track of the number of open and close parentheses used in each combination.
Recursively generate combinations by adding open parentheses if there are remaining, and closing parentheses if the number of open parentheses is greater than the number of clo...
Round duration - 60 minutes
Round difficulty - Medium
Technical round with questions based on data structures, oops and networking.
Create a program that counts and prints the total number of specific character types from user input. Specifically, you need to count lowercase English alphabets, numeric digi...
Create a program to count lowercase alphabets, digits, and white spaces from user input until '$' is encountered.
Read characters from input stream until '$' is encountered
Count lowercase alphabets, digits, and white spaces separately
Print the counts of each character type as three integers separated by spaces
Given an unsorted array containing 'N' integers, you are required to find 'K' largest elements from the array and return them in non-decreasing order.
The fir...
Find K largest elements in an unsorted array and return them in non-decreasing order.
Sort the array in non-decreasing order.
Return the last K elements of the sorted array.
To check internet connection on a system, you can use various methods like pinging a website or checking network status.
Use ping command to check connectivity to a website (e.g. ping www.google.com)
Check network status using network settings or command line tools
Try accessing a website or online service to verify internet connection
When you type a URL in a web browser, the browser sends a request to the server hosting the website, which then responds with the necessary files to display the webpage.
Browser checks cache for DNS resolution
If not found, browser sends a DNS query to resolve the domain name to an IP address
Browser establishes a TCP connection with the server
Browser sends an HTTP request to the server for the webpage
Server processes the...
Round duration - 60 minutes
Round difficulty - Medium
Technical round with questions based on data structures, oops and networking.
Ninja is learning about sorting algorithms, specifically those that do not rely on comparisons. Can you help Ninja implement the counting sort algorithm?
Implement counting sort algorithm to sort an array of integers without comparisons.
Count the frequency of each element in the input array.
Calculate the prefix sum of frequencies to determine the position of each element in the sorted array.
Place each element in its correct position based on the prefix sum.
Time complexity of counting sort is O(n+k), where n is the number of elements and k is the range of input.
Example: ...
The Fibonacci series has applications in various fields such as mathematics, computer science, art, and nature.
Used in algorithms for optimization problems and dynamic programming.
Found in nature, such as the arrangement of leaves on a stem, the branching of trees, and the spiral shapes of shells.
Applied in financial markets for predicting stock prices and analyzing market trends.
Utilized in art and design for creating
Round duration - 30 minutes
Round difficulty - Easy
HR round where the interviewer asked questions to know more about me.
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
posted on 4 Dec 2016
I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.
Yes, I have coded in curriculum. The most complex one was a project on building a web application using React and Node.js.
Built a full-stack web application using React and Node.js
Implemented user authentication and authorization using JSON Web Tokens (JWT)
Used MongoDB as the database and Mongoose as the ODM
Implemented real-time updates using Socket.IO
Deployed the application on Heroku
Handled errors and implemented log
Big data refers to large and complex data sets that cannot be processed using traditional data processing methods.
Big data is characterized by its volume, velocity, and variety
It is used in various industries such as healthcare, finance, and retail
Examples of big data include social media data, sensor data, and transactional data
It is called 'big' because it involves processing massive amounts of data
Big data requires ...
I am passionate about technology and eager to learn new skills in the IT sector.
I have always had a keen interest in technology and enjoy working with computers.
I believe the IT sector offers more opportunities for growth and advancement in my career.
I have seen the impact of technology on various industries and want to be a part of that innovation.
I have taken courses in programming and networking to prepare myself fo
To find the product of all data points using SelectSum(), log(), and exp() functions.
Use the log() function to convert the product into a sum of logarithms
Apply the SelectSum() function to calculate the sum of logarithms
Finally, use the exp() function to convert the sum back into the product
I was interviewed in Dec 2016.
The algorithm reverses a given string.
Iterate through the string from the last character to the first character.
Append each character to a new string or an array in reverse order.
Return the reversed string or array.
As the CEO, I would select the candidate based on their qualifications and skills, regardless of their background or personal characteristics.
I would focus on the qualifications, skills, and experience of each candidate.
I would consider their ability to contribute to the company's goals and objectives.
I would ensure a fair and unbiased selection process.
I would prioritize diversity and inclusion in the workplace.
I woul...
I applied via Campus Placement and was interviewed in Dec 2016. There were 3 interview rounds.
Company is a global technology company known for its innovative products and services.
Founded in 1976 by Steve Jobs, Steve Wozniak, and Ronald Wayne.
Known for products such as iPhone, iPad, Mac computers, and Apple Watch.
Offers services like Apple Music, iCloud, and Apple Pay.
Has a strong focus on design and user experience.
I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.
I am a highly motivated individual with a passion for learning and achieving my goals.
I have a degree in computer science and have worked as a software developer for 3 years.
I am proficient in multiple programming languages including Java, Python, and C++.
I enjoy working in a team environment and collaborating with others to solve complex problems.
In my free time, I enjoy hiking and exploring new places.
I grew up in a small town with my parents and younger sister. We were a close-knit family.
Grew up in a small town
Close-knit family
Parents and younger sister
Participated in community events
Enjoyed outdoor activities
I enjoy reading, hiking, and trying new recipes in my free time.
Reading books on various topics, including fiction, non-fiction, and self-improvement
Hiking in local parks and nature reserves to explore new trails and enjoy the outdoors
Experimenting with new recipes and cooking techniques in the kitchen
Attending cultural events such as concerts, plays, and art exhibits
Spending time with family and friends, playing board
I would expect a supportive work environment, opportunities for growth and development, and a commitment to excellence.
Supportive and collaborative team culture
Clear communication and feedback
Opportunities for professional development and advancement
Commitment to high-quality work and customer satisfaction
Competitive compensation and benefits package
Yes, I have a cousin who lives in Bangalore.
I have a cousin who has been living in Bangalore for the past 5 years.
We keep in touch and he has shown me around the city during my visits.
He works in the IT industry and enjoys the vibrant culture of Bangalore.
Loop in a circular linked list can be found using Floyd's cycle-finding algorithm.
Initialize two pointers, slow and fast, both pointing to the head of the linked list.
Move slow pointer by one node and fast pointer by two nodes in each iteration.
If there is a loop, both pointers will eventually meet at some point.
If there is no loop, fast pointer will reach the end of the linked list.
Time complexity of this algorithm is
Pre-fix and post-fix operations can be performed on a string expression using appropriate operators.
Pre-fix operation involves placing the operator before the operand in the expression.
Post-fix operation involves placing the operator after the operand in the expression.
Examples of pre-fix operators include ++, --, !, and ~.
Examples of post-fix operators include ++ and --.
Data analytics is the process of examining data sets to draw conclusions about the information they contain.
Data analytics involves collecting, cleaning, and analyzing data to identify patterns and trends.
It can help businesses make informed decisions by providing insights into customer behavior, market trends, and operational efficiency.
For example, a retail company can use data analytics to analyze sales data and ide...
Strengths include adaptability and teamwork. Weaknesses include public speaking. Non-core background allows for diverse perspective. JPMorgan Chase's reputation and opportunities attract me.
Strengths: adaptability, teamwork
Weakness: public speaking
Non-core background brings diverse perspective
Attracted to JPMorgan Chase's reputation and opportunities
I would pursue my entrepreneurial dream and start my own company.
I would conduct market research to validate my idea and identify potential competitors.
I would create a business plan outlining my goals, strategies, and financial projections.
I would secure funding through investors or loans.
I would assemble a team of talented individuals with diverse skills and experiences.
I would continuously evaluate and adapt my busi
I would listen to both sides, gather more information, and try to find a compromise that satisfies everyone.
Listen to both sides and understand their perspectives
Gather more information about both ideas
Try to find common ground and a compromise that satisfies everyone
Encourage open communication and respect for each other's ideas
Consider the potential impact and benefits of each idea
Involve a neutral third party if nec
I was interviewed in Dec 2017.
To find the maximum water pond formed between buildings.
Identify the lowest point between the buildings.
Calculate the area of the pond using the distance between the buildings and the depth of the pond.
Consider any obstacles or uneven ground that may affect the pond's shape.
Use a surveying tool or satellite imagery to get accurate measurements.
Take into account any drainage systems or natural water flow that may affect
Design a dictionary using trie with insert, update and delete operations.
Implement a Trie data structure with nodes containing a character and a boolean flag to indicate end of word
For insert operation, traverse the trie and add nodes for each character in the word
For update operation, delete the existing word and insert the updated word
For delete operation, mark the end of word flag as false and delete the node if it ...
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