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Design a lift system
Determine the number of floors and the maximum weight capacity
Choose the type of lift system (hydraulic, traction, etc.)
Design the control system for the lift (buttons, sensors, etc.)
Consider safety features such as emergency brakes and backup power supply
To compute requests per second in an application
Identify the number of requests received by the application in a given time frame
Divide the number of requests by the time frame to get requests per second
Use load testing tools like JMeter to simulate traffic and measure requests per second
Optimize application performance to handle high traffic and increase requests per second
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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.
posted on 31 Jul 2020
The job of a Business Analyst is beneficial for job seekers as it offers a challenging and rewarding career with opportunities for growth and development.
Provides exposure to various industries and domains
Opportunities to work with cross-functional teams
Develops analytical and problem-solving skills
Enhances communication and presentation skills
Offers competitive salaries and benefits
Potential for career advancement and
The number of recruitment hires for a desired job varies based on factors like company size, industry, and job requirements.
Consider the size of the company - larger companies may have more recruitment hires
Industry trends - certain industries may have higher turnover rates and require more recruitment
Job requirements - specialized roles may require more recruitment efforts
Utilize data analytics to determine optimal re
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
I was interviewed before Feb 2024.
English and reasoning
posted on 24 Aug 2024
5 verbal questions, 2 mid - hard coding on arrays, hashmap and dp
I am a software developer with experience in web development and mobile applications.
Developed a web application using React and Node.js for managing inventory
Created a mobile app using Flutter for tracking daily expenses
Familiar with Agile development practices
I applied via LinkedIn and was interviewed in Oct 2024. There was 1 interview round.
1st round is coding assessment round based on graph and hashmaps
I applied via Company Website and was interviewed before Jun 2023. There was 1 interview round.
Joins in SQL are used to combine rows from two or more tables based on a related column between them.
Joins are used to retrieve data from multiple tables based on a related column between them
Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN
INNER JOIN returns rows when there is at least one match in both tables
LEFT JOIN returns all rows from the left table and the matched rows from the right table
...
Objects are instances of classes in OOPs. Classes are blueprints for creating objects with attributes and methods.
Objects are instances of classes
Classes are blueprints for creating objects
Classes define attributes and methods for objects
Example: Class 'Car' with attributes like 'color' and methods like 'drive'
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