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I applied via Job lever and was interviewed before Sep 2021. There were 2 interview rounds.
Easy leetcode code 2 questions , HTML5 css javascript simple screen design
I applied via Campus Placement and was interviewed before Sep 2023. There was 1 interview round.
Equation, ratio and proportion
I applied via LinkedIn and was interviewed before Sep 2021. There were 3 interview rounds.
I applied via Campus Placement and was interviewed before Nov 2023. There was 1 interview round.
Question were very basic from array and stacks
posted on 1 Nov 2023
I applied via Approached by Company and was interviewed before Nov 2022. There were 4 interview rounds.
Designing a low level architecture for a quiz portal application
Use a microservices architecture for scalability and flexibility
Implement a database schema to store quiz questions, answers, and user responses
Utilize caching mechanisms to improve performance
Design an authentication system to ensure secure access to quizzes
Include features for creating, editing, and taking quizzes
I applied via LinkedIn and was interviewed before Jul 2023. There were 3 interview rounds.
Basic DSA questions were asked.
I applied via Company Website and was interviewed before Jul 2023. There was 1 interview round.
Creating specific components for software development
Identify the requirements for the component
Design the component architecture
Implement the component using appropriate programming languages and tools
Test the component for functionality and performance
Integrate the component into the larger software system
posted on 11 Nov 2022
I applied via Approached by Company and was interviewed in May 2022. There were 4 interview rounds.
3 Coding Question were there
Easy - 2 Pointer Problem Variation
Medium - Prefix Sum Problem Variation
Hard - DP (Maximum of Minimum) Variation Problem
SQL is a relational database management system while NoSQL is a non-relational database management system.
SQL databases use structured query language while NoSQL databases use unstructured query language.
SQL databases are vertically scalable while NoSQL databases are horizontally scalable.
SQL databases are good for complex queries while NoSQL databases are good for large amounts of unstructured data.
Examples of SQL dat...
Different types of indexing in SQL
Clustered Index
Non-Clustered Index
Unique Index
Full-Text Index
Filtered Index
Schema design for a Restaurant Management System
Identify entities such as customers, orders, menu items, tables, etc.
Create tables for each entity with appropriate attributes and relationships
Use foreign keys to establish relationships between tables
Consider normalization to avoid data redundancy and improve performance
Include constraints to ensure data integrity
Use appropriate data types for each attribute
Consider sca
Complexity refers to the level of difficulty in solving a problem. There are two types: time complexity and space complexity.
Time complexity refers to the amount of time required to solve a problem, and is usually measured in terms of the number of operations performed by an algorithm.
Space complexity refers to the amount of memory required to solve a problem, and is usually measured in terms of the amount of memory us...
Detect loop in linked list and return node where loop starts.
Use two pointers, one moving one node at a time and the other moving two nodes at a time
If there is a loop, the two pointers will eventually meet at a node inside the loop
Reset one of the pointers to the head of the linked list and move both pointers one node at a time
The node where the two pointers meet is the start of the loop
Traversal refers to visiting all the nodes of a data structure in a specific order.
Inorder traversal: Left subtree, root, right subtree
Preorder traversal: Root, left subtree, right subtree
Postorder traversal: Left subtree, right subtree, root
Level order traversal: Visit nodes level by level
Find the sum of pairs in a binary search tree equal to k.
Traverse the tree in-order and store the values in an array.
Use two pointers approach to find the pairs that sum up to k.
Time complexity: O(n), Space complexity: O(n).
A payment gateway is a software application that facilitates online transactions between a merchant and a customer.
The payment gateway should support multiple payment methods such as credit/debit cards, net banking, and digital wallets.
It should have a secure and reliable infrastructure to ensure the safety of customer data.
The gateway should have a user-friendly interface for easy navigation and payment processing.
It ...
Populate the next right pointer of a binary tree node
Traverse the tree using level order traversal
For each node, set its next right pointer to the next node in the same level
If there is no next node in the same level, set the next right pointer to NULL
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