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I applied via Walk-in and was interviewed in Jun 2024. There were 3 interview rounds.
Array and stack based lc standard questions
LLD of Payment Systems
My vision is to create innovative software solutions that positively impact people's lives and drive technological advancements.
Developing cutting-edge software applications that improve efficiency and user experience
Utilizing emerging technologies like AI and machine learning to solve complex problems
Collaborating with cross-functional teams to deliver high-quality products
Continuously learning and adapting to stay ah
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I applied via Walk-in and was interviewed before Jan 2021. There were 4 interview rounds.
I applied via Recruitment Consulltant and was interviewed before Feb 2022. There were 3 interview rounds.
Find the longest palindromic substring in a given string.
Use dynamic programming to solve the problem efficiently.
Start with the base cases of single characters and two characters.
For longer substrings, check if the first and last characters match and if the substring between them is also a palindrome.
Keep track of the longest palindrome seen so far.
Time complexity: O(n^2), space complexity: O(n^2).
Developing a real-time data processing system for a high-traffic website.
Designing a scalable architecture to handle the high volume of incoming data.
Optimizing the data processing algorithms to minimize latency.
Ensuring data consistency and accuracy in a distributed system.
Implementing fault-tolerant mechanisms to handle system failures.
Testing and debugging the system under various load conditions.
I applied via Company Website and was interviewed in Mar 2022. There were 2 interview rounds.
They grasping our knowledge
I applied via Company Website and was interviewed in Mar 2022. There were 2 interview rounds.
They grasping our knowledge
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 Referral and was interviewed in Jul 2020. There was 1 interview round.
I applied via Campus Placement and was interviewed before Dec 2020. There were 4 interview rounds.
Design a stack that supports getmin in O(1) time and O(1) space complexities.
Use two stacks, one for storing the actual values and the other for storing the minimum values.
When pushing a new value, check if it is smaller than the current minimum value and push it to the minimum stack if it is.
When popping a value, check if it is the current minimum value and pop it from the minimum stack if it is.
To get the minimum val...
Binary tree traversal is the process of visiting each node in a binary tree exactly once in a specific order.
There are three main types of binary tree traversal: inorder, preorder, and postorder.
Inorder traversal visits the left subtree, then the root, then the right subtree.
Preorder traversal visits the root, then the left subtree, then the right subtree.
Postorder traversal visits the left subtree, then the right subt...
LRU cache is a data structure that stores the most recently used items and discards the least recently used items.
LRU stands for Least Recently Used
It has a fixed size and when the cache is full, the least recently used item is removed to make space for a new item
It uses a combination of a doubly linked list and a hash map to achieve O(1) time complexity for both insertion and deletion
Example: A web browser cache that ...
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