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I applied via Indeed and was interviewed in Oct 2023. There was 1 interview round.
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Visual Reasoning questions
Mostly string based questions
I applied via Referral and was interviewed before Jan 2022. There were 4 interview rounds.
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 ...
I applied via Recruitment Consultant and was interviewed in May 2020. There were 3 interview rounds.
Diameter of a binary tree is the longest path between any two leaf nodes.
Calculate the height of left and right subtrees recursively.
Calculate the diameter recursively using the formula max(left_height + right_height + 1, max(left_diameter, right_diameter)).
Return the maximum diameter.
To find interchanged terms from an AP series
Identify the common difference between terms
Swap the positions of adjacent terms
Check if the new series is also an AP
Repeat until no more interchanged terms can be found
Database indexing is a technique to improve the performance of database queries.
Indexing creates a data structure that allows for faster retrieval of data.
Indexes are created on one or more columns of a table.
Queries that use indexed columns can be executed faster.
Indexes can be clustered or non-clustered.
Clustered indexes determine the physical order of data in a table.
Non-clustered indexes create a separate structure...
I applied via Company Website and was interviewed in Apr 2024. There was 1 interview round.
I am a software developer with 5 years of experience in Java and Python.
Experienced in Java and Python programming languages
Worked on various projects involving web development and data analysis
Familiar with Agile methodologies and version control systems like Git
I applied via Naukri.com and was interviewed in May 2024. There was 1 interview round.
RESTful API is an architectural style for designing networked applications
REST stands for Representational State Transfer
Uses standard HTTP methods like GET, POST, PUT, DELETE
Resources are identified by URIs
Stateless communication between client and server
Responses are typically in JSON or XML format
OOPs concepts are the fundamental principles of object-oriented programming.
Encapsulation - binding data and functions together in a single unit
Inheritance - creating new classes from existing ones
Polymorphism - ability of objects to take on many forms
Abstraction - hiding implementation details from the user
Examples: class, object, inheritance, encapsulation, polymorphism, abstraction
Spring Boot is a framework for building standalone, production-grade Spring-based applications.
Spring Boot simplifies the process of creating and deploying Spring-based applications.
It provides a set of pre-configured dependencies and an embedded web server.
It also offers features like auto-configuration, which reduces the need for manual configuration.
Spring Boot is widely used for building microservices and RESTful A...
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