Xyz Company Senior Software Engineer Interview Questions and Answers

Find the kth minimum element in the array

Q1. Design a online food delivering system
Ans. 
Design an online food delivering system for ordering and delivering food from restaurants to customers.
• Allow customers to browse menus and place orders online

• Provide options for delivery or pickup

• Include payment processing and order tracking

• Integrate with restaurants for menu updates and order notifications
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Q2. High level design of sync of google drive
Ans. 
Syncing Google Drive involves designing a system to keep files updated across devices and platforms.
• Implement a client-server architecture where changes are detected and synced between the Google Drive server and client devices.

• Utilize APIs provided by Google Drive for authentication, file manipulation, and syncing.

• Consider conflict resolution strategies for cases where the same file is edited on multiple devices.

• Imple...read more
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Solve this lld roblem?

Coding test - React, Javascript
Duration - 2 hours

Q1. What is the notice period?
Ans. 
Notice period refers to the amount of time an employee must give before leaving a job.
• Notice period is typically stated in the employment contract or company policy.

• It can range from 2 weeks to 3 months depending on the company and position.

• During the notice period, the employee is expected to work as usual and hand over responsibilities.

• Some companies may allow employees to buy out their notice period by paying a fee.

• ...read more
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Q2. What is your current CTC and expected CTC
Ans. 
My current CTC is $100,000 and my expected CTC is $120,000.
• Current CTC: $100,000

• Expected CTC: $120,000
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Q1. Why index starts from 0 only?
Ans. 
Index starts from 0 to simplify pointer arithmetic and memory allocation.
• Starting from 0 simplifies pointer arithmetic as the address of the first element is the base address

• It also simplifies memory allocation as the size of the array can be calculated as (last address - base address) + 1

• Many programming languages like C, C++, Java, etc. follow this convention

• For example, in C, the first element of an array can be acc...read more
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Q2. What are the neccasaary condition for using inline function?
Ans. 
Inline functions are used for small functions that are called frequently.
• Function should be small and simple

• Function should be called frequently

• Function should not have loops or switch statements

• Function should not have complex control flow

• Function should not have static variables
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