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I was interviewed before Mar 2021.
To check if a number is a power of 2, we can use bitwise operations.
A power of 2 has only one bit set to 1, so we can use the bitwise AND operator to check if the number is a power of 2.
If n is a power of 2, then n & (n-1) will be 0.
For example, 8 (1000 in binary) is a power of 2, and 8 & 7 (0111 in binary) is 0.
Sort a stack without using another data structure
Use recursion to pop the top element and insert it at the bottom of the remaining stack
Repeat until the stack is sorted in ascending order
Time complexity: O(n^2), space complexity: O(n) due to recursion
Check if array has continuous increasing and decreasing values
Loop through the array and check if each element is greater than the previous one
Once you find the maximum element, check if the remaining elements are in decreasing order
If yes, return true else false
Design a cricinfo (LLD)
Identify the entities: players, teams, matches, scorecards, tournaments, etc.
Define the relationships between entities
Create a database schema to store the data
Implement APIs to fetch and update data
Design a UI to display the information
Consider scalability and performance
Ensure data security and privacy
posted on 18 Jul 2024
I applied via Naukri.com and was interviewed before Jul 2023. There were 2 interview rounds.
IPC mechanism in Windows allows communication between processes through shared memory, message passing, and synchronization.
IPC mechanisms in Windows include named pipes, mailslots, shared memory, and sockets.
Named pipes allow communication between processes on the same machine or over a network.
Mailslots are used for one-way interprocess communication.
Shared memory allows processes to share data by mapping a region of...
Multi-threading in Windows allows multiple threads to run concurrently within a single process.
Windows provides APIs like CreateThread and CreateProcess to create and manage threads.
Threads share the same memory space within a process, allowing for efficient communication and resource sharing.
Windows supports both user-mode and kernel-mode threads, with user-mode threads being more lightweight.
Synchronization mechanism...
Memory mapping in Windows allows files to be mapped directly into memory for faster access and manipulation.
Memory mapping allows files to be accessed as if they were in memory
File mapping can be used for sharing data between processes
Improves performance by reducing disk I/O operations
Examples: CreateFileMapping, MapViewOfFile, UnmapViewOfFile
Critical section in Windows is a synchronization mechanism used to protect shared resources from concurrent access.
Critical sections are used to ensure mutual exclusion between threads accessing shared resources.
They are implemented using the Windows API functions InitializeCriticalSection, EnterCriticalSection, and LeaveCriticalSection.
Critical sections are more efficient than mutexes for synchronization within a sing...
I applied via Naukri.com and was interviewed before Jan 2024. There were 2 interview rounds.
Basic and advanced concepts of JavaScript / NodeJS covered.
Looking for new challenges and growth opportunities in a dynamic work environment.
Seeking opportunities for career advancement
Interested in working on new technologies and projects
Desire for a more collaborative team environment
Looking for a company with a strong focus on innovation and development
My salary expectations are in line with industry standards for a Senior Software Engineer with my level of experience.
Research industry standards for Senior Software Engineer salaries in the local area
Consider my years of experience, skills, and qualifications when determining salary expectations
Be prepared to negotiate based on the overall compensation package offered
I applied via Recruitment Consultant and was interviewed in Nov 2021. There were 3 interview rounds.
I applied via Naukri.com and was interviewed in May 2022. There were 2 interview rounds.
Design an employee-Manager class and write a method to display employee organizational hierarchy.
Create an Employee class with attributes like name, id, managerId, etc.
Create a Manager class that inherits from Employee class and has a list of employees under them.
Write a method to display the hierarchy using recursion.
Use a data structure like a dictionary to store the employees and their managers.
Consider edge cases l
Get 7th highest salary without CTE
Use subquery to get distinct salaries
Order the salaries in descending order
Use LIMIT and OFFSET to get the 7th highest salary
Delegates are a type-safe function pointers in C# used to encapsulate methods and pass them as arguments.
Delegates allow for event-driven programming
Delegates can be used to implement callbacks
Delegates can be chained together to create a multicast delegate
Delegates can be used to implement the observer pattern
Delegates can be used to implement the command pattern
I applied via Recruitment Consultant and was interviewed in May 2020. There were 6 interview rounds.
I applied via Approached by Company and was interviewed in Apr 2024. There was 1 interview round.
I applied via Referral and was interviewed before Jun 2023. There were 2 interview rounds.
Solution for a given problem by writing codes
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