Vivriti Capital Senior Software Engineer Interview Questions and Answers

2 leetcode medium questions were asked

Q1. 1 feature design end to end
Ans. 
Designing a feature for a social media platform to allow users to create and share photo albums.
• Allow users to create and name albums

• Provide an interface for users to upload and organize photos within albums

• Implement privacy settings to control who can view and contribute to albums

• Include features like tagging, commenting, and liking photos within albums

• Enable users to share albums with others via links or social media
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Q1. Basic hr questions
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2 hackerearth problem solving questions was asked.

Q1. 1. Trees related questions were asked.
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Q2. 2. Some java basic questions were asked
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Q1. Kinda cultural fitment round where manager use to ask what you’ll do in situation like that.
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Q1. Asked about expectations and all
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Q1. How event loop works?
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Q1. Just be prepared with your resume and basic DS Algo questions
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Q2. Find total Nodes in a Binary tree along with time and space complexity
Ans. 
Total nodes in a binary tree can be found using depth-first or breadth-first traversal algorithms with time complexity O(n) and space complexity O(h), where h is the height of the tree.
• Use depth-first traversal (pre-order, in-order, post-order) or breadth-first traversal to visit each node and count the total nodes.

• Time complexity is O(n) where n is the number of nodes in the tree.

• Space complexity is O(h) where h is th...read more
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Q3. MYSQL Questions based on Inner Joins
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Q1. Construct 4 Array Tree from scratch and implement some operations
Ans. 
Construct 4 Array Tree and implement operations
• Create an array to represent the tree structure

• Implement operations like insert, delete, search, and traversal

• Example: Construct a binary search tree using arrays
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Q2. Some quizzes to check logical thinking
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Q3. How to compare 2 large 100 GB JSON files in O(1) Time complexity
Ans. 
Use hashing to compare the JSON files in O(1) time complexity.
• Create a hash function to convert the JSON data into a unique hash value.

• Calculate the hash value for each JSON file and compare the hash values.

• If the hash values are equal, the JSON files are identical.

• Example: Use MD5 or SHA-256 hash functions for generating hash values.
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Q4. Map parent to children of a 4 Array tree in O(1) Space complexity
Ans. 
Use array indices to map parent to children in a 4 Array tree in O(1) space complexity.
• Assign children of a parent at indices 4*i+1, 4*i+2, 4*i+3, 4*i+4 where i is the index of the parent.

• To find parent of a child at index j, use (j-1)/4 to get the parent index.
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2 Codes on Hackerrank

Q1. Questions on Tree
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Q2. Questions on Java
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Q1. Hiring Manager Round
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Q1. Regarding the experience and project work
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DSA medium level questions regarding stack, queue , arrays

Q1. DSA Medium and Low Level
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Q1. Explain OOPS Concept ?
Ans. 
OOPS (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.
• OOPS focuses on creating objects that interact with each other to solve problems.

• It involves concepts like classes, objects, inheritance, polymorphism, and encapsulation.

• For example, a class 'Car' can have objects like 'Toyota', 'Honda', etc., each with their own properties and methods.

• Inheritan...read more
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It was hackerrank test