SAP Interview Questions, Process, and Tips

2 DSA Coding Questions in 1 hour

Q1. Full DSA based on queues, stacks, trees and graphs
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Q1. Again DSA along with OOPS and some SDLC questions
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Q1. About Projects and Internships
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Q1. General HR questions
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Q1. What is node js
Ans. 
Node.js is a runtime environment that allows you to run JavaScript on the server side.
• Node.js is built on Chrome's V8 JavaScript engine.

• It uses an event-driven, non-blocking I/O model.

• Node.js is commonly used for building scalable network applications.

• Example: Creating a web server using Node.js.
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Q2. What is expressjs
Ans. 
Express.js is a web application framework for Node.js, designed for building web applications and APIs.
• Express.js is a minimal and flexible Node.js web application framework

• It provides a robust set of features for web and mobile applications

• Express.js allows you to create routes to handle different HTTP methods and URLs

• Middleware functions can be used to perform tasks like parsing request bodies, handling authenticatio
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2 problems, 60 minutes. You have to pass both to get interview.

Q1. Leetcode medium-hard
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Q2. Maximum area rectangle of 1s in a binary matrix
Ans. 
Find the maximum area rectangle of 1s in a binary matrix.
• Iterate through each row of the matrix and calculate the maximum area of rectangle with that row as the base.

• Use a stack to keep track of the indices of the rows with increasing heights.

• For each row, calculate the area of rectangle with that row as the height and update the maximum area.
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Q3. K-reverse a linked list
Ans. 
Reverses every k nodes in a linked list
• Iterate through the linked list in groups of k nodes

• Reverse each group of k nodes

• Connect the reversed groups back together
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Q1. Object oriented questions
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Q2. Techno functional knowledge
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Q1. Where do you live?
Ans. 
I live in a cozy apartment in downtown Seattle.
• I live in downtown Seattle

• I live in a cozy apartment

• I enjoy the urban lifestyle
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Q2. Why do you want to work here?
Ans. 
I am passionate about cloud technology and believe this company offers exciting opportunities for growth and innovation.
• Exciting projects and opportunities for growth in cloud technology

• Innovative company culture that fosters creativity and collaboration

• Desire to work with a talented team of developers and experts in the field
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Q1. System design majorly on HLD
Ans. 
High Level Design (HLD) focuses on overall system architecture and major components.
• HLD defines the structure of the system and its major components.

• It includes the interactions between different components and how they communicate.

• Examples of HLD include system diagrams, flowcharts, and architecture diagrams.
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Q1. Basic js questions
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