Cloud Analogy Software Development Engineer Intern Interview Questions and Answers

Round duration - 90 minutes
Round difficulty - Easy

There were two section Aptitude and Coding.

Q1. 
Buy and Sell Stock Problem Statement
Imagine you are Harshad Mehta's friend, and you have been given the stock prices of a particular company for the next 'N' days. You can perform up to two buy-and-sell ...read more
Ans. 
The task is to determine the maximum profit that can be achieved by performing up to two buy-and-sell transactions on a given set of stock prices.
• Iterate through the array of stock prices and calculate the maximum profit that can be achieved by buying and selling at different points.

• Keep track of the maximum profit after the first transaction and the maximum profit overall by considering different combinations of buy a...read more
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Round duration - 60 minutes
Round difficulty - Easy

This was the first technical interview.

Q1. 
Pair Sum Problem Statement
You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to find and return a list of all pairs of elements where each sum of a pair equals 'S'.
Note:
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Ans. 
Find pairs of elements in an array that sum up to a given value, sorted in a specific order.
• Iterate through the array and for each element, check if the complement (S - current element) exists in a hash set.

• Keep track of pairs in a hash set to avoid duplicates.

• Sort the pairs based on the criteria mentioned in the question.

• Return the sorted list of pairs.
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Very basic aptitude questions along with few coding questions

Q1. A problem statement was given and we had to provide an optimal approach to design and handle that problem
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Q2. Oops concepts, SQL queries
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Q1. What languages did you know
Ans. 
I am proficient in several programming languages, each suited for different tasks and projects.
• JavaScript: Used for web development, creating interactive front-end applications.

• Python: Great for data analysis, machine learning, and scripting tasks.

• Java: Commonly used for building enterprise-level applications and Android development.

• C#: Utilized for developing Windows applications and game development with Unity.

• SQL: E...read more
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Q2. What are they
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The basic question is related to profit percentage, time and distance

Q1. Is the database schema of any type?
Ans. 
Yes, the database schema can be of various types such as relational, hierarchical, network, object-oriented, etc.
• Relational database schema is the most common type, using tables to store data with relationships between them.

• Hierarchical database schema organizes data in a tree-like structure.

• Network database schema allows multiple relationships between records.

• Object-oriented database schema stores data as objects with...read more
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BASIC DSA LIKE ARRAY AND STRING

Q1. System Design for Electric Charger app ?
Ans. 
System design for an electric charger app involves creating a user-friendly interface, integrating with payment systems, and ensuring efficient charging station management.
• Design a user-friendly interface for users to locate and reserve charging stations

• Integrate with payment systems for seamless transactions

• Implement efficient charging station management to monitor availability and maintenance

• Consider scalability for ...read more
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Q2. Design digram for that ?
Ans. 
Design diagram for a software developer role.
• Use UML diagrams to show class relationships and interactions

• Include components like classes, interfaces, relationships, and methods

• Consider using tools like Lucidchart or draw.io for creating the diagram
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Q1. What are threads and how are they used
Ans. 
Threads are lightweight processes that enable concurrent execution within a program, improving efficiency and responsiveness.
• Threads share the same memory space, allowing for faster communication compared to processes.

• They are used in applications like web servers to handle multiple requests simultaneously.

• Example: A web browser uses threads to load multiple tabs at once without freezing.

• Threads can be created using li...read more
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Q2. What is RDBMA
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Q1. Tell me about your self
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Q2. Why should we hire you
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Q3. What are your strengths and weakness
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Q4. What is your role in your project
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Aptitude and coding of 2 hours

Q1. Questions based on sql and dsa
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