Lumiq Summer Intern Interview Questions and Answers

Contains linear and non linear data structures deep knowledge of trees and graphs

Q1. Able to do dry run on page
Ans. 
Dry run on a page involves testing the code without actually executing it.
• Dry run involves walking through the code manually to check for errors

• Helps in identifying logic errors before actual execution

• Commonly used in debugging and testing code
Answered by AI
Add your answer

5 DSA Questions 2 Easy, 2Medium, 1 Hard, hackerrank

Q1. 3 DSA question were asked of medium level
Add your answer
Q2. Largest vertical rectangle in array
Ans. 
Find the largest vertical rectangle in an array of strings
• Iterate through each column in the array

• For each column, find the consecutive vertical rectangles of '1's

• Calculate the area of each rectangle and keep track of the largest one
Answered by AI
Add your answer

Q1. 1 DSA and around OS, DBMS, Resume
Add your answer

Q1. Around projects, Multithreading, LLD, HLD
Add your answer

Q1. Inversion count
Add your answer

Q1. Regex pattern Dynamic programming
Add your answer

Dp, trees and basic time complexity

Q1. Tell me about your self
Ans. 
I am a software engineer with 5 years of experience in developing web applications using Java, Spring, and Angular.
• 5 years of experience in software development

• Proficient in Java, Spring, and Angular

• Strong problem-solving skills

• Experience working in Agile development environment
Answered by AI
Add your answer
Q2. Projects and intership
Add your answer

Questions based or percentage, profit loss, ratio

Q1. Explain about stacks
Ans. 
Stacks are a data structure that follows the Last In First Out (LIFO) principle.
• Elements are added and removed from the top of the stack

• Common operations include push (add element) and pop (remove element)

• Stacks can be implemented using arrays or linked lists

• Examples of stack usage include function call stack and undo/redo functionality in text editors
Answered by AI
Add your answer
Q2. To find middle number in the linked list
Ans. 
To find the middle number in a linked list.
• Traverse the linked list using two pointers, one moving twice as fast as the other.

• When the fast pointer reaches the end, the slow pointer will be at the middle node.

• If the linked list has even number of nodes, there will be two middle nodes. Return either one.
Answered by AI
Add your answer

Q1. Introduction , hobbies, goals
Add your answer
Q2. Strength, weakness, short term and long term goals
Add your answer

Q1. Write a program to check if string is a anagram
Ans. 
Program to check if a string is an anagram
• Create a function that takes in two strings as input

• Remove all spaces and convert both strings to lowercase

• Sort both strings and compare if they are equal to determine if they are anagrams
Answered by AI
View 1 more answer
Q2. What is react lifecycle method
Ans. 
React lifecycle methods are special methods that are automatically called by React at specific points in a component's life cycle.
• React components have several lifecycle methods such as componentDidMount, componentDidUpdate, componentWillUnmount, etc.

• These methods allow developers to perform actions at specific points in a component's life cycle, such as fetching data, updating the UI, or cleaning up resources.

• Understa...read more
Answered by AI
Add your answer

Create a web app to perform cred operation

General aptitude questions

Abstract topic group discussion

Q1. Technical interview covering topics on oops , data structures , conditional statements.
Add your answer

Q1. General questions- introduction , how previous rounds went ,hobbies , what do you know about our company , situation based questions.
Add your answer

Few questions that would involve problem solving. Basic 10th std math would suffice

Had few DSA questions.

Q1. Technical interview
Add your answer

Q1. About job, expection etc
Add your answer