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Reasoning amd english
MCQs were there and few reasoning questions
Simple Aptitude test consisting of 3 sections
Code to delete duplicate nodes in a sorted linked list
Traverse the linked list and compare adjacent nodes
If nodes are equal, delete one of them
Repeat until all duplicates are removed
Printing all root to leaf paths in a binary search tree
Traverse the tree recursively and keep track of the current path
When a leaf node is reached, add the current path to the list of paths
Print all the paths in the list
Use an array of strings to store the paths
Find two integers in an array whose sum is closest to zero.
Sort the array in ascending order.
Initialize two pointers at the beginning and end of the array.
Move the pointers towards each other until the sum is closest to zero.
Count set bits in a 32-bit integer in linear time
Use bit manipulation to count set bits
Divide the integer into 16-bit chunks and count set bits in each chunk
Use lookup tables to count set bits in each 8-bit chunk
Use parallel processing to count set bits in multiple integers simultaneously
To determine the width of a binary tree using breadth-wise traversal, we need to count the number of nodes at each level.
Perform a breadth-first traversal of the binary tree
Count the number of nodes at each level
Keep track of the maximum number of nodes seen at any level
Return the maximum number of nodes seen
Files are preferred over databases for certain types of data and applications.
Files are faster for small amounts of data.
Files are easier to manage and backup.
Files are more flexible for certain types of data, such as images or videos.
Databases are better for complex data relationships and queries.
Databases are more secure and scalable for large amounts of data.
The choice between files and databases depends on the spec
I applied via Referral
I have contributed to my projects by developing and implementing new features, fixing bugs, and improving overall performance.
Developed and implemented new features
Fixed bugs and issues
Improved overall performance
Collaborated with team members to ensure project success
Provided technical support and troubleshooting assistance
I encourage open communication and collaboration to identify and solve problems within the team.
Encourage open communication and active listening
Identify the root cause of the problem
Brainstorm solutions as a team
Assign tasks and follow up on progress
Evaluate the effectiveness of the solution
Provide constructive feedback
Celebrate successes and learn from failures
I expect a company that values innovation, growth opportunities, and work-life balance.
Opportunities for professional development and growth
A culture that encourages innovation and creativity
A healthy work-life balance
Clear communication and transparency
Competitive compensation and benefits
Collaborative and supportive team environment
Yes, I am planning to pursue a Master's degree in Computer Science.
I am interested in specializing in Artificial Intelligence.
I have already researched and shortlisted a few universities.
I plan to apply for the next academic year.
I believe higher studies will help me gain a deeper understanding of the field and advance my career.
I am very flexible in my professional life and can adapt to changing situations easily.
I am open to learning new technologies and skills
I can work in different environments and with different teams
I am willing to take on new challenges and responsibilities
I can adjust my work schedule to meet project deadlines
I am comfortable with remote work and flexible work arrangements
I am a software engineer with experience in developing web applications and a passion for problem-solving.
Experienced in developing web applications using languages such as Java, Python, and JavaScript
Proficient in using frameworks such as Spring, Django, and React
Strong problem-solving skills and ability to work in a team environment
Passionate about learning new technologies and keeping up with industry trends
I applied via Naukri.com and was interviewed in May 2021. There were 3 interview rounds.
I appeared for an interview before Sep 2020.
Round duration - 60 Minutes
Round difficulty - Easy
A thief is planning to rob a store and can carry a maximum weight of 'W' in his knapsack. The store contains 'N' items where the ith item has a weight of 'wi' and a value of...
Yes, the 0/1 Knapsack problem can be solved using dynamic programming with a space complexity of not more than O(W).
Use a 1D array to store the maximum value that can be stolen for each weight capacity from 0 to W.
Iterate through each item and update the array based on whether including the item would increase the total value.
The final value in the array at index W will be the maximum value that can be stolen.
Given an array or list of integers 'ARR', identify the second largest element in 'ARR'.
If a second largest element does not exist, return -1.
ARR = [2,...
Find the second largest element in an array of integers.
Iterate through the array to find the largest and second largest elements.
Handle cases where all elements are identical.
Return -1 if a second largest element does not exist.
Round duration - 60 Minutes
Round difficulty - Easy
System Design Round
Design a scalable system for Twitter with key components and architecture.
Use microservices architecture for scalability and fault isolation.
Key components include user service, tweet service, timeline service, and notification service.
Use a distributed database like Cassandra for storing tweets and user data.
Implement a message queue like Kafka for handling real-time updates and notifications.
Use a caching layer like ...
Round duration - 30 Minutes
Round difficulty - Easy
It is just a formality
Tip 1 : System Design
Tip 2 : Practice questions from leetcode
Tip 3 : Have some projects.
Tip 1 : Mention what you know
Tip 2 : Good previous work to showcase
I applied via LinkedIn and was interviewed before May 2020. There was 1 interview round.
To call an API in React, use the fetch() function or a library like Axios.
Use the fetch() function to make a GET request to the API endpoint
Use the useEffect() hook to fetch data when the component mounts
Install and import Axios library for more advanced API calls
Axios is a popular JavaScript library used for making HTTP requests from the browser or Node.js.
Axios is promise-based, allowing for cleaner asynchronous code.
It supports interceptors for request and response handling.
Axios can be used in both browser and Node.js environments.
It automatically transforms JSON data and handles errors.
Example: axios.get('https://api.example.com/data')
Example: axios.post('https://api.examp
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