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Singleton in CPP is a design pattern that restricts the instantiation of a class to one object.
Singleton pattern ensures that a class has only one instance and provides a global point of access to it.
It involves a static member function that returns the same instance of the class every time it is called.
Example: class Singleton { private: static Singleton* instance; Singleton() {} public: static Singleton* getInstance(...
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I applied via Naukri.com and was interviewed in Jun 2024. There was 1 interview round.
Identifying and solving race conditions involves understanding concurrent execution and implementing synchronization mechanisms.
Understand the critical sections of code where race conditions can occur
Use synchronization mechanisms like locks, semaphores, or atomic operations to control access to shared resources
Implement thread-safe data structures or use thread-safe libraries to avoid race conditions
Use tools like sta...
Find the third largest element in an unsorted array of strings.
Sort the array in descending order.
Remove duplicates if necessary.
Return the element at index 2 as the third largest.
posted on 22 Jul 2023
I applied via Recruitment Consulltant and was interviewed in Jun 2023. There were 4 interview rounds.
It was a normal aptitude test with mathematical questions.
It was a techno-coding test where I had to code while sharing my screen on a live conversation with the interviewer.
I would analyze the current approach, identify the root cause of the issue, brainstorm alternative solutions, and collaborate with the team to implement and test them.
Analyze the current approach to identify weaknesses
Brainstorm alternative solutions with the team
Implement and test the new solutions
Regularly communicate and collaborate with team members
I was interviewed before May 2021.
Round duration - 45 Minutes
Round difficulty - Medium
A class booking application for students to schedule and manage their classes.
Create a class booking system where students can view available classes, book classes, and manage their schedule.
Include features like class search, class details, booking confirmation, and calendar view.
Implement user authentication to ensure only registered students can book classes.
Allow students to cancel or reschedule classes with proper...
Round duration - 60 Minutes
Round difficulty - Medium
The interviewer understand the current problem statement I was working on.
Asked the clarifying questions and alternative approaches to solve the same and their tradeoffs.
Also, asked about the technologies I was using in depth and reason for choosing the same.
You have a car with a gas tank of infinite capacity. There are 'N' gas stations located along a circular route, numbered from 0 to N-1. You begin your journey with an empty tank...
Find the starting gas station index to complete a circular route with gas and cost arrays.
Iterate through gas stations, keeping track of gas remaining after each station
If gas remaining is negative, reset starting station to current station + 1
If total gas remaining at the end is greater than or equal to total cost, return starting station index
Round duration - 45 Minutes
Round difficulty - Medium
This round was their with the CTO and was mostly the culture fitment round.
Round duration - 30 Minutes
Round difficulty - Easy
This round was with the cofounder and was mostly culture fitment.
Tip 1 : Practice questions on leetcode
Tip 2 : Understand the best solutions in depth and algorithm used
Tip 3 : Ask clarifying questions to the interviewer and break the problem to smaller sub parts
Tip 1 : Highlight your most impactful work on the resume
Tip 2 : Keep it easy to understand
I applied via Approached by Company and was interviewed before Mar 2021. There was 1 interview round.
Yes, I have used multithreading in software development.
Multithreading is the ability of a central processing unit (CPU) to execute multiple threads concurrently.
It allows for parallel execution of tasks, improving performance and responsiveness in applications.
Multithreading can be used to perform tasks in the background while the main thread handles user interactions.
Examples of multithreading in software development...
A callback function is a function passed as an argument to another function, which is then invoked inside the outer function.
Callback functions are commonly used in asynchronous programming.
They allow a function to call another function when a certain task is completed.
Callback functions can be anonymous or named functions.
Examples of callback functions include event handlers and AJAX requests.
I applied via Referral and was interviewed in Jul 2020. There was 1 interview round.
I applied via Naukri.com and was interviewed in Jul 2021. There were 4 interview rounds.
posted on 26 Dec 2024
I applied via Campus Placement and was interviewed before Dec 2023. There were 2 interview rounds.
based on 1 interview
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