Gothi Plascon Interview Questions and Answers

Round duration - 60 minutes
Round difficulty - Medium

Timing was fine - It was in the afternoon
Interviewer was friendly and helpful

Q1. 
Find Duplicates in an Array
Given an array ARR of size 'N', where each integer is in the range from 0 to N - 1, identify all elements that appear more than once.
Return the duplicate elements in any orde...read more
Ans. 
Find duplicates in an array of integers within a specified range.
• Iterate through the array and keep track of the count of each element using a hashmap.

• Return elements with count greater than 1 as duplicates.

• Handle edge cases like empty array or no duplicates found.

• Example: For input [0, 3, 1, 2, 3], output should be [3].
Answered by AI
Add your answer

Round duration - 60 minutes
Round difficulty - Medium

- Timing was fine - Afternoon
- Interviewer was friendly

Q1. How would you design a caching library?
Ans. 
Designing a caching library involves considering data storage, retrieval, expiration policies, and cache invalidation strategies.
• Define the caching requirements such as data size, access patterns, and expiration policies.

• Choose a suitable data structure for caching like LRU, LFU, or a simple key-value store.

• Implement cache eviction policies to handle memory constraints and optimize performance.

• Consider thread safety an...read more
Answered by AI
Add your answer

Round duration - 60 minutes
Round difficulty - Medium

- Timing was fine - Afternoon
- Interviewer was friendly

Q1. What is the number of edges in a 10x10 cube?
Ans. 
A 10x10 cube has 600 edges.
• A cube has 12 edges, so a 10x10 cube would have 12 edges on each of its 6 faces.

• 12 edges x 6 faces = 72 edges for the entire cube.

• However, each edge is shared by two faces, so we need to divide by 2 to get the total number of unique edges.

• 72 edges / 2 = 36 unique edges on the outer surface of the cube.

• Since the cube has 10x10x10 = 1000 unit cubes, each with 12 edges, we need to subtract the e...read more
Answered by AI
Add your answer

Q1. To find the kth minimum element from BST
Ans. 
To find the kth minimum element from a Binary Search Tree (BST)
• Perform an in-order traversal of the BST to get elements in sorted order

• Return the kth element from the sorted list

• Time complexity: O(n) where n is the number of nodes in the BST
Answered by AI
Add your answer
Q2. Basic OOPs question like inheritance encapsulation
Add your answer

Q1. In a BST two numbers are swapped find swapped nos.
Ans. 
To find swapped numbers in a BST, perform inorder traversal and keep track of previous node.
• Perform inorder traversal of the BST

• Keep track of the previous node while traversing

• If at any point, the current node's value is less than the previous node's value, those are the swapped numbers
Answered by AI
Add your answer
Q2. What you did in college projects
Add your answer

Q1. Puzzles: find the fastest 3 horses in 25 horse race with a race and 5 horses can be run at a time
Add your answer
Q2. Weakness and strength. how a friend will describe you
Add your answer

Q1. Linked list question to detect cycle
Add your answer
Q2. Basic questions from JS
Add your answer

Q1. Some questions related to my projects
Add your answer
Q2. Some Questions related to my past experience
Add your answer

Q1. Map reduce filter in javascript
Ans. 
Map, reduce, and filter are higher-order functions in JavaScript used to manipulate arrays.
• Map: Transforms each element in an array and returns a new array with the transformed elements.

• Reduce: Reduces an array to a single value by applying a function to each element.

• Filter: Creates a new array with elements that pass a certain condition.
Answered by AI
Add your answer
Q2. Exception handling
Add your answer

Ppt Wireframing workflow and decision making

Q1. Hr round with manager
Add your answer

Q1. Simple question based on openings.
Add your answer

Q1. About your experience & skills set and educational background.
Add your answer
Q2. What do you know about Quality Council of India.
Ans. 
Quality Council of India is a government body established to promote and sustain quality in all spheres of economic and social life.
• Established in 1997 by the Government of India

• Operates under the Ministry of Commerce and Industry

• Promotes quality standards and certifications across various sectors

• Provides training and consultancy services to improve quality management practices

• Works with organizations to enhance their
Answered by AI
Add your answer

Q1. There would be technical round or Manager round.
Add your answer