LambdaTest Software Engineer Interview Questions and Answers

2 Leetcode Medium questions on hackerrank

Q1. Kadane algorithm based question
Add your answer
Q2. Leetcode medium
Add your answer
Q3. Resume based questions
Add your answer

Q1. Probability question math problem
Add your answer
Q2. Puzzle to solve
Add your answer
Q3. AI based question
Add your answer
Q4. 1 question to solve Leetcode medium
Add your answer

Q1. Pointless basic questions is what they asked
Add your answer

Q1. They had this round for hours together
Add your answer

60 Minutes coding test was there

Q1. Worst experience ever, never apply for company in this, highly unstable company
Add your answer
Q2. Add two numbers in a linked list, don't apply
Ans. 
Traverse the linked list and add the values of each node without using additional data structures.
• Traverse the linked list while keeping track of the sum in a variable

• Update the sum by adding the value of each node as you traverse the list

• Handle carry over if the sum of two nodes is greater than 9
Answered by AI
Add your answer
Q3. Sort the array by using all sorting algorithms, don't join
Add your answer
Q4. Subset problem find all the subsets
Ans. 
To find all subsets of a given set, use recursion to generate all possible combinations.
• Use recursion to generate all possible combinations of including or excluding each element in the set.

• Start with an empty subset and recursively add each element to create new subsets.

• Each subset can be represented as an array of strings.
Answered by AI
Add your answer
Q5. LRU Cache problem, explain it and implement it
Ans. 
LRU Cache is a data structure that stores a fixed number of items and removes the least recently used item when the cache is full.
• LRU Cache uses a combination of a doubly linked list and a hashmap to efficiently store and retrieve items.

• When an item is accessed, it is moved to the front of the linked list to indicate it is the most recently used item.

• If the cache is full, the least recently used item at the end of the ...read more
Answered by AI
Add your answer

Q1. 2 rounds, 2 coding questions in each round. Managerial round.
Add your answer

Q1. Resume overview and work experience discussion
Add your answer
Q2. Asked for expected salary
Add your answer

Manager and employee problem. Given a table with id, Employee, managerId. Print the hierarchy in a tree format.

Q1. Basic Python Programming question with list, regex, strings
Add your answer

Aptitude Test with 1 coding question and 8 other aptitude questions

Q1. DSA questions with some dbms questions.
Add your answer

Q1. DSA + SQL query writing questions. Do revise SQL before interview.
Add your answer

1hr
DSA
C++
Javascript
Hackerrank

Two DSA question on Appcoder platform

Q1. What is SAAS, IAAS?
Ans. 
SAAS stands for Software as a Service and IAAS stands for Infrastructure as a Service.
• SAAS is a software delivery model where software is hosted on the cloud and accessed via the internet.

• IAAS provides virtualized computing resources over the internet, such as virtual machines, storage, and networking.

• Examples of SAAS include Google Workspace, Salesforce, and Microsoft Office 365.

• Examples of IAAS include Amazon Web Ser...read more
Answered by AI
Add your answer
Q2. Difference between soap and rest services
Ans. 
SOAP is a protocol, REST is an architectural style for web services.
• SOAP is a protocol, while REST is an architectural style for web services

• SOAP uses XML for message format, REST can use various formats like JSON, XML, etc.

• SOAP is more rigid and has built-in security features, REST is more flexible and relies on underlying protocols for security

• SOAP has strict rules for communication, REST is more lightweight and simp...read more
Answered by AI
Add your answer