Microsoft Corporation Software Engineer Interview Questions, Process, and Tips

2 coding questions on graphs and trees

Q1. Introduction, oops, os
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Medium level leet code problems

Q1. Why you want to leve your job
Ans. 
Seeking new challenges and opportunities for growth.
• Desire for career advancement

• Looking for new learning opportunities

• Seeking a better work-life balance

• Company culture mismatch

• Relocation or commute issues
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Q2. Tell me about yourself
Ans. 
I am a passionate software engineer with experience in developing web applications and a strong background in computer science.
• Experienced in developing web applications using technologies such as HTML, CSS, JavaScript, and React

• Strong background in computer science with knowledge in algorithms and data structures

• Proficient in programming languages such as Java, Python, and C++

• Familiar with Agile development methodolog
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DSA problem - implement queue only using stack

Q1. Design system like whatsapp
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Q2. How to scale to billions of user
Ans. 
To scale to billions of users, focus on horizontal scaling, efficient database design, caching, load balancing, and microservices architecture.
• Implement horizontal scaling by adding more servers to distribute the load.

• Optimize database design for efficient read and write operations, consider sharding or partitioning.

• Utilize caching mechanisms like Redis or Memcached to reduce database load.

• Implement load balancing to e...read more
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Q3. How to handle offline users
Ans. 
Handle offline users by implementing offline mode functionality and syncing data when connection is restored.
• Implement offline mode functionality to allow users to access certain features offline.

• Store user data locally on the device and sync with the server when connection is available.

• Provide feedback to users about their offline status and guide them on how to sync data.

• Use caching mechanisms to store data temporari
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Hackerank, 60 mins, leetcode style medium.

Q1. Number of connected components.
Ans. 
Number of connected components in a graph represent the number of subgraphs that are not connected to each other.
• Use depth-first search (DFS) or breadth-first search (BFS) to find connected components.

• Count the number of times DFS or BFS is called to find the number of connected components.

• Example: In a graph with 3 connected components, the answer would be 3.
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Q2. Roman numerals.
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