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I applied via Campus Placement and was interviewed in Nov 2024. There were 3 interview rounds.
The test took place on HackerEarth, with simple coding questions and 5 english questions. The level of the coding questions were Leetcode easy to medium.
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posted on 7 Sep 2015
I applied via Referral
The program capitalizes the first letter of each reversed word in a sentence.
Split the sentence into an array of words using space as a delimiter.
Reverse each word in the array and capitalize the first letter.
Join the modified words back into a sentence.
I applied via Naukri.com and was interviewed before Sep 2020. There were 3 interview rounds.
I was interviewed before Mar 2021.
Round duration - 60 Minutes
Round difficulty - Easy
Given a binary tree of integers, return the level order traversal of the binary tree.
The first line contains an integer 'T', representing the number of te...
Return the level order traversal of a binary tree given in level order with null nodes represented by -1.
Create a queue to store nodes for level order traversal
Start with the root node and add it to the queue
While the queue is not empty, dequeue a node, print its value, and enqueue its children
Repeat until all nodes are traversed in level order
Round duration - 45 minutes
Round difficulty - Easy
A deadlock in DBMS occurs when two or more transactions are waiting for each other to release locks, causing them to be stuck indefinitely.
Deadlock is a situation where two or more transactions are unable to proceed because each is waiting for the other to release locks.
To prevent deadlocks, DBMS uses techniques like deadlock detection and prevention algorithms.
Joins in DBMS are used to combine rows from two or more ta...
Round duration - 60 Minutes
Round difficulty - Medium
Design a system for Twitter
Key components: user profiles, tweets, hashtags, timelines
Architecture: microservices, load balancers, databases, caching
Scalability: sharding, replication, CDN
Real-time processing: streaming APIs, push notifications
Round duration - 60 Minutes
Round difficulty - Medium
You are provided with an array of ‘N’ integers and ‘Q’ queries. Each query requires calculating the maximum subarray sum in a specified range of the array.
The first ...
Implement a function to calculate maximum subarray sum queries in a given range of an array.
Iterate through each query and calculate the maximum subarray sum within the specified range using Kadane's algorithm.
Keep track of the maximum sum found so far and update it as needed.
Return the maximum subarray sum for each query in the test case.
Given an integer array arr
of size 'N' containing only 0s, 1s, and 2s, write an algorithm to sort the array.
The first line contains an integer 'T' representing the n...
Sort an integer array containing only 0s, 1s, and 2s in linear time complexity.
Use a single scan over the array to sort it in-place.
Maintain three pointers for 0s, 1s, and 2s and swap elements accordingly.
Example: Input: [0, 2, 1, 2, 0], Output: [0, 0, 1, 2, 2]
Round duration - 20 Minutes
Round difficulty - Medium
Tip 1 : Prepare DS and Algo
Tip 2 : Prepare Dynamic programming
Tip 1 : Good in DS and algo that will be help in the interview that is very neccassry
Tip 2 : Prepare DBMS
Encapsulation, Inheritance, Polymorphism, Abstraction
Encapsulation: Bundling data and methods that operate on the data into a single unit
Inheritance: Ability of a class to inherit properties and behavior from another class
Polymorphism: Ability to present the same interface for different data types
Abstraction: Hiding the complex implementation details and showing only the necessary features
Arrays are fixed in size and store elements of the same data type, while collections are dynamic in size and can store elements of different data types.
Arrays have a fixed size, while collections can dynamically resize.
Arrays store elements of the same data type, while collections can store elements of different data types.
Arrays use indexes to access elements, while collections use iterators or other methods.
Examples:...
I applied via Naukri.com and was interviewed in Jul 2024. There were 3 interview rounds.
Moderate round . Easy to clear
Stream API is a feature in Java that allows processing collections of objects in a functional style.
Stream API provides a way to perform operations on a collection of objects in a declarative way.
It supports functional-style operations like map, filter, reduce, and forEach.
Streams can be created from various sources like collections, arrays, or I/O channels.
Stream operations are lazy, meaning they are only executed whe...
Database connection in Spring Boot is configured using application.properties or application.yml file.
Define database connection properties in application.properties or application.yml file
Use @EnableJpaRepositories annotation to enable JPA repositories
Use @Entity annotation to define entity classes
Use @Autowired annotation to inject the DataSource or EntityManager
I want to join MGS because of its reputation for cutting-edge technology and innovative projects.
Exciting opportunities for growth and learning
Strong focus on technology and innovation
Desire to work with talented and passionate individuals
Alignment with company values and culture
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