Aspire Software Developer Interview Questions and Answers

Q1. Explain Deadlock?
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Q2. Explain Red Black Tree?
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Q3. Find local minima in a 1-D array?
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Q4. Find local minima in 2-D array?
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Q1. LRU Cache - how to tackle
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LRU Cache is a data structure that maintains a list of items in order of most recently used to least recently used.
• Implement using a doubly linked list and a hashmap for efficient operations

• When an item is accessed, move it to the front of the list

• When the cache is full, remove the least recently used item from the end of the list
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Q2. LRU Cache implementation based on a real time system. How would the main work which will be called etc etc
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It was a coding round where i need to solve 3 DSA Questions in 1.5 hour

Q1. This is Technical round where i was asked to implement the Two Question of Dsa one is bases on greedy and another is dp , another one is leetcode hard (finding maxaimal area of rectangle in matrix of 1 and...read more
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Q2. Greedy Q was direct i don't remember clearly. I was selected for the 2nd round
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Q1. It was also a technical round but bases on LLD problem statement. I was given a problem statement to design a society security system and the they need psudo code for complete implementation using correct ...read more
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Q1. I was not selected for 4th round but heard that there were Q on cs fundamentals.
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Q1. Binary search for closest element
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Binary search to find the closest element in a sorted array
• Implement binary search to find the target element in the array

• Keep track of the closest element found so far while searching

• Update the closest element if a closer one is found during the search
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Q2. String manipulation
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Q1. Low level Design for an online e-commerce website
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Low level design for an online e-commerce website involves designing the architecture and components of the website.
• Identify the main components such as user interface, database, payment gateway, product catalog, etc.

• Design the database schema to store user information, product details, orders, etc.

• Implement user authentication and authorization mechanisms for secure access.

• Integrate payment gateway for processing tran...read more
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3 Medium level dsa questions

Q1. Lld of cab booking system
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The Low Level Design (LLD) of a cab booking system involves detailing the system architecture and components at a lower level of abstraction.
• Identify the main components of the system such as user interface, booking engine, payment gateway, and driver allocation algorithm.

• Define the interactions between these components and how data flows between them.

• Specify the data structures and algorithms used for efficient bookin...read more
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Q2. Discussion about online assesment
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