Theorem Incorporation Senior Web Developer Interview Questions and Answers

Round duration - 90 Minutes
Round difficulty - Hard

The test was at 6 pm with cam on and in fullscreen mode.

Q1. 
Interleaving Two Strings Problem Statement
You are given three strings 'A', 'B', and 'C'. Determine if 'C' is formed by interleaving 'A' and 'B'.
String 'C' is an interleaving of 'A' and 'B' if the lengt...read more
Ans. 
The problem involves determining if a string 'C' is formed by interleaving two given strings 'A' and 'B'.
• Check if the length of 'C' is equal to the sum of the lengths of 'A' and 'B'.

• Verify if all characters of 'A' and 'B' exist in 'C' while maintaining their order.

• Return 'True' if 'C' is an interleaving of 'A' and 'B', otherwise return 'False'.
Answered by AI
Add your answer
Q2. 
Construct Binary Tree from Inorder and Postorder Traversal
Given two lists representing the inorder and postorder traversal of a binary tree of integer type with 'N' nodes, construct the binary tree and r...read more
Ans. 
Construct a binary tree from inorder and postorder traversal lists and return its root.
• Create a map to store the indices of elements in the inorder traversal list for quick access during tree construction.

• Use the postorder list to determine the root of the tree and recursively build left and right subtrees.

• Construct the tree by recursively dividing the inorder list based on the root index in postorder list.

• Return the r...read more
Answered by AI
Add your answer

Round duration - 45 Minutes
Round difficulty - Easy

At 10:00 AM. Interviewer was very friendly and young but his cam was off.

Q1. 
Find Paths in Binary Tree
Kevin has sketched a series of integers, forming a diagram that represents a binary tree. Challenged by a friend, Kevin needs to find all paths from the root to the leaf where th...read more
Add your answer

Round duration - 45 Minutes
Round difficulty - Easy

It was held at 4 p.m. The interviewer was senior compared to the one in the previous round. Also, his cam was also on, but he wasn't speaking much and neither giving any expressions.

Q1. 
Boxes of Power Problem Statement
Given a set of boxes represented by an array gainPower, where each box has a certain power value, along with an initial power value 'power', your task is to maximize the t...read more
Ans. 
Maximize total score by selecting boxes optimally based on power values and operations.
• Iterate through the boxes and perform operations based on power values and current score

• Keep track of power, score, and selected boxes to maximize total score

• Example: For input [3, 50, [20, 30, 40]], select boxes with power 20 and 30 to get a score of 2
Answered by AI
Add your answer

It will be around 3 hours and 2 questions of leetcode hard difficulty will be asked in the interview and 1 question is of codeforces 2400+ difficulty question.

Q1. 1-2 DSA medium-hard difficulty question will be asked.
Add your answer
Q2. CS fundamentals in depth had been asked in the ending of the interview.
Add your answer

Q1. System Design problem was asked.
Add your answer

Q1. This is a cultural fit round. Common HR question was asked.
Add your answer

Held on interview bit. 3 ques were asked. Questions were from range query and DP.

Q1. 1 Hard DSA question. Given a sequence of positive numbers, make it a non-decreasing sequence. Operation allowed: adjacent elements can be added to form a single element. What is the minimum no of operatio...read more
Add your answer

Q1. Asked two array and string dsa questions of medium-hard level
Add your answer

It was based on frontend technologies

Q1. Basic frontend question
Add your answer

Q1. Managerial round
Add your answer

Q1. Prepare js array and string functions, and React js core concepts
Add your answer

Q1. Easy-Medium level Leetcode questions on linkedlists
Add your answer
Q2. Simple recursion question
Add your answer
Q3. An SQL query Basic question in OOPS and resume description..
Add your answer
Q4. Basic questions regarding SQL
Add your answer
Q5. Difference between thread and process
Ans. 
A process is an instance of a program while a thread is a subset of a process that can run concurrently with other threads.
• Processes have their own memory space while threads share the same memory space within a process.

• Processes are independent of each other while threads within the same process can communicate with each other.

• Processes are heavier in terms of resource consumption compared to threads.

• Example: A web br...read more
Answered by AI
Add your answer