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I applied via Referral and was interviewed in Apr 2024. There were 2 interview rounds.
Iterative solution using a stack to perform postorder traversal.
Use a stack to simulate the recursive call stack.
Push nodes in the order of right, left, root.
Pop nodes from stack and add to result array.
Repeat until stack is empty.
Design a messaging app like WhatsApp with one-to-one, group messaging, and read receipts functionalities.
Use a relational database to store user information, messages, and group memberships.
Create tables for users, messages, groups, and group memberships.
Include columns for message content, sender, receiver, timestamp, and read status.
Implement a feature to mark messages as read with read receipts.
Use indexes for effic
LRU Cache is a data structure that maintains a list of items in order of most recently used to least recently used.
Implement using a doubly linked list and a hashmap for efficient operations
When an item is accessed, move it to the front of the list
When the cache is full, remove the least recently used item from the end of the list
3D DP, DP ON BST, Focus on highlevel dp and system design
I was interviewed in May 2022.
Round duration - 120 minutes
Round difficulty - Medium
Round duration - 120 minutes
Round difficulty - Medium
- Discussion on the first round's assignment
- Was asked about adding unit tests in the assignment
- Fundamental questions on the approach used for the assignment.
Some improvements in the system design problem could include better scalability planning, more efficient data storage solutions, and improved error handling.
Implementing a more robust caching mechanism to improve performance under heavy load.
Optimizing the database schema for better query performance and scalability.
Introducing load balancing and horizontal scaling to handle increased traffic.
Enhancing error handling t...
Round duration - 90 minutes
Round difficulty - Medium
Round was with tech lead. Was briefly asked about the problem I solved in the first round. Then I was asked to solve 1 medium level DSA based question. Some discussion on culture fit was also done.
Yes, an invalid state can occur if the traffic lights are in conflicting states simultaneously.
An invalid state occurs when multiple traffic lights are showing conflicting signals, such as both red and green at the same time.
This can happen due to a malfunction in the traffic light system or human error in programming the lights.
For example, if a traffic light is stuck showing both red and green signals, it would be co
Tip 1 : Have clear web dev fundamentals
Tip 2 : Have at least 1 good non-trivial project
Tip 3 : Practice basic DSA questions.
Tip 1 : For past experience (internship/full time), explain the impact you created instead of only mentioning what you did.
Tip 2 : Don't exceed 1 page.
Tip 3 : Get it cross-checked for mistakes through multiple sources.
Tip 4 : Only put in stuff that you are confident in being able to explain.
posted on 27 Nov 2024
I applied via Recruitment Consulltant and was interviewed in May 2024. There were 2 interview rounds.
Find the intersection point of two linked lists.
Use two pointers to traverse the linked lists
Calculate the difference in length between the two lists
Move the pointer of the longer list ahead by the difference
Move both pointers simultaneously until they meet at the intersection point
I applied via Approached by Company and was interviewed in May 2022. There were 3 interview rounds.
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I applied via AmbitionBox and was interviewed in Nov 2021. There were 2 interview rounds.
Group discussion
I applied via Campus Placement and was interviewed in Dec 2022. There were 3 interview rounds.
I like to choose topics java, c, python, html etc
About java, python, c, c++, html and about coding language
Hoe to built skill discussion about problem and how solve it
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