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I was interviewed in Dec 2024.
I participated in a coding round on their platform, which consisted of three coding questions in 60 min. however, their editor and compiler were quite inadequate. The event was held onsite, with 500 candidates arriving on January 11, 2024, at 9 AM. Approximately 100 candidates cleared that round.
I solved all three questions, yet we still had to participate in the second round, which included one coding question to be completed in 20 minutes. The question was poorly framed, leading to the rejection of most students. However, I managed to solve all the test cases.
The coding round comprised one question and was conducted on paper for a duration of 10 minutes.
Implement a binary search in each row of a sorted 2D matrix to achieve O(mlogn) time complexity.
Divide and conquer approach can be used to search in each row of the matrix.
Perform binary search on each row to find the target element efficiently.
Ensure the rows are sorted to apply binary search in each row.
Design a store management system with relevant schema tables
Create a 'Store' table with attributes like store_id, name, location, etc.
Design a 'Product' table with attributes like product_id, name, price, quantity, etc.
Include a 'Sales' table to track sales transactions with attributes like sale_id, date, total_amount, etc.
Implement a 'Stock' table to manage product stock levels with attributes like stock_id, product_i
The schema of my project is designed to efficiently store and retrieve data for a web application.
Use relational database to store structured data
Create tables for different entities like users, products, orders
Establish relationships between tables using foreign keys
Use indexes to optimize query performance
Design a category schema with multiple subcategories
Use a parent-child relationship to link categories and subcategories
Implement a tree data structure to represent the hierarchy
Each category can have multiple subcategories
Example: Category - Electronics, Subcategories - Computers, Mobile Phones, TVs
SQL queries involving group by and joins are used to retrieve data from multiple tables and aggregate results.
Use GROUP BY to group rows that have the same values in specified columns
Use JOIN to combine rows from two or more tables based on a related column
Examples: SELECT column1, SUM(column2) FROM table1 JOIN table2 ON table1.id = table2.id GROUP BY column1
I am a passionate software engineering student with experience in Java, Python, and web development.
Currently pursuing a degree in Computer Science
Proficient in Java, Python, and web development technologies like HTML, CSS, and JavaScript
Completed internships at tech companies working on software projects
Participated in coding competitions and hackathons
I am impressed by the company's innovative projects and collaborative work culture.
Impressed by innovative projects
Desire to work in collaborative environment
Company's reputation in the industry
Top trending discussions
posted on 16 Apr 2024
Level Order Traversal for Binary Tree is a method to visit all nodes level by level starting from the root.
Use a queue data structure to keep track of nodes at each level
Start by pushing the root node into the queue
While the queue is not empty, dequeue a node, visit it, and enqueue its children
Left join includes all records from the left table and matching records from the right table, while right join includes all records from the right table and matching records from the left table.
Left join keeps all records from the left table, even if there are no matches in the right table.
Right join keeps all records from the right table, even if there are no matches in the left table.
Example: If we have a table of em...
I was interviewed in Jul 2024.
Leet code medium level question
Hashmap is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.
Hashmap uses a hashing function to map keys to indices in an array.
It allows for constant time complexity O(1) for insertion, deletion, and retrieval operations.
Example: HashMap<String, Integer> map = new HashMap<>(); map.put("key", 123); int value = map.get("key");
Leetcode Medium Type Questions
Design an online system to book salon professionals like Urban Company.
User registration and login system
Search functionality to find salon professionals based on location, services offered, ratings, etc.
Booking system with calendar availability and payment integration
Review and rating system for users to provide feedback on salon professionals
Notification system for booking confirmations, reminders, and updates
I applied via Campus Placement
Aptitude test was easy level and moderate level.
Coding test was held in the google form which was very easy.
The volatile keyword in software engineering is used to indicate that a variable's value can be modified by multiple threads.
Volatile keyword ensures that the variable's value is always read from and written to the main memory, rather than cached in a thread's local cache.
It is used to prevent unexpected behavior in multi-threaded environments where multiple threads may access and modify the same variable simultaneousl...
An abstract class is a class that cannot be instantiated and is meant to be subclassed.
An abstract class can have abstract methods that must be implemented by its subclasses.
An abstract class can also have non-abstract methods that can be inherited by its subclasses.
An abstract class provides a common interface for its subclasses.
An abstract class can have instance variables and constructors.
An abstract class cannot be...
Abstract classes are used to provide a common interface and partial implementation for related classes.
Abstract classes are used when you want to create a base class that cannot be instantiated on its own but can be inherited by other classes.
They are useful when you want to define common methods and properties that multiple related classes should have.
Abstract classes can have both abstract and non-abstract methods.
Ab...
I applied via Approached by Company and was interviewed in Feb 2024. There were 4 interview rounds.
DSA coding 2-3 question
Java, DSA coding, java 8 coding, multithreading
Java8, spring-boot, DSA coding
Difficulty level is medium
I applied via campus placement at Lovely Professional University (LPU) and was interviewed in Sep 2023. There were 2 interview rounds.
Basic 30 aptitude based questions
Create an array of strings containing 1, 1.5, 2, 2.5, 3
Initialize an array of strings
Add the numbers 1, 1.5, 2, 2.5, 3 as strings to the array
posted on 28 Oct 2023
It was basic test. online.
2 questions on arrays. online.
The general topic. Be point to point
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